2880 lines
169 KiB
HTML
2880 lines
169 KiB
HTML
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<div id="projectname">Kinetis SDK v.2.0 API Reference Manual
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 <span id="projectnumber">Rev. 0</span>
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<div id="projectbrief">Freescale Semiconductor, Inc.</div>
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<a href="#nested-classes">Data Structures</a> |
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<a href="#define-members">Macros</a> |
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<a href="#typedef-members">Typedefs</a> |
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<a href="#enum-members">Enumerations</a> </div>
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<div class="headertitle">
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<div class="title">eDMA: Enhanced Direct Memory Access Controller (eDMA) Driver</div> </div>
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</div><!--header-->
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<div class="contents">
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<a name="details" id="details"></a><h2 class="groupheader">Overview</h2>
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<p>The KSDK provides a peripheral driver for the enhanced Direct Memory Access (eDMA) of Kinetis devices.</p>
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<h1><a class="anchor" id="EDMATypicalUseCase"></a>
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Typical use case</h1>
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<h2><a class="anchor" id="EDMAOper"></a>
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eDMA Operation</h2>
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<div class="fragment"><div class="line"><a class="code" href="group__edma.html#structedma__transfer__config__t">edma_transfer_config_t</a> transferConfig;</div>
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<div class="line"><a class="code" href="group__edma.html#structedma__config__t">edma_config_t</a> userConfig;</div>
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<div class="line">uint32_t transferDone = <span class="keyword">false</span>;</div>
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<div class="line"></div>
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<div class="line"><a class="code" href="group__edma.html#ga9851dc5addd6a1fc557bfdb625aa5c19">EDMA_GetDefaultConfig</a>(&userConfig);</div>
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<div class="line"><a class="code" href="group__edma.html#gaf7588eb4b54499f0f55c698bd98bc1bb">EDMA_Init</a>(DMA0, &userConfig);</div>
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<div class="line"><a class="code" href="group__edma.html#gae71842684e693908395784e8b7f7ef55">EDMA_CreateHandle</a>(&g_EDMA_Handle, DMA0, channel);</div>
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<div class="line"><a class="code" href="group__edma.html#ga945ae6f5db8b32c9b39ec0954073d65d">EDMA_SetCallback</a>(&g_EDMA_Handle, EDMA_Callback, &transferDone);</div>
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<div class="line"><a class="code" href="group__edma.html#ga9ae2d264213737df083b4a7089f826d8">EDMA_PrepareTransfer</a>(&transferConfig, srcAddr, srcWidth, destAddr, destWidth,</div>
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<div class="line"> bytesEachRequest, transferBytes, <a class="code" href="group__edma.html#gga7803399034b374663f76a589da7d8419aba1ccd03368799d9752bd6001f5373a5">kEDMA_MemoryToMemory</a>);</div>
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<div class="line"><a class="code" href="group__edma.html#ga8a78ca4c4c941f0ba5fa60033b81b61b">EDMA_SubmitTransfer</a>(&g_EDMA_Handle, &transferConfig, <span class="keyword">true</span>);</div>
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<div class="line"><a class="code" href="group__edma.html#gab4a5570a9a0936f6666ec3c6a619296f">EDMA_StartTransfer</a>(&g_EDMA_Handle);</div>
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<div class="line"><span class="comment">/* Wait for eDMA transfer finish */</span></div>
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<div class="line"><span class="keywordflow">while</span> (transferDone != <span class="keyword">true</span>);</div>
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</div><!-- fragment --> <table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
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Data Structures</h2></td></tr>
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<tr class="memitem:structedma__config__t"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#structedma__config__t">edma_config_t</a></td></tr>
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<tr class="memdesc:structedma__config__t"><td class="mdescLeft"> </td><td class="mdescRight">eDMA global configuration structure. <a href="group__edma.html#structedma__config__t">More...</a><br/></td></tr>
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<tr class="separator:structedma__config__t"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:structedma__transfer__config__t"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#structedma__transfer__config__t">edma_transfer_config_t</a></td></tr>
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<tr class="memdesc:structedma__transfer__config__t"><td class="mdescLeft"> </td><td class="mdescRight">eDMA transfer configuration <a href="group__edma.html#structedma__transfer__config__t">More...</a><br/></td></tr>
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<tr class="separator:structedma__transfer__config__t"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:structedma__channel__Preemption__config__t"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#structedma__channel__Preemption__config__t">edma_channel_Preemption_config_t</a></td></tr>
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<tr class="memdesc:structedma__channel__Preemption__config__t"><td class="mdescLeft"> </td><td class="mdescRight">eDMA channel priority configuration <a href="group__edma.html#structedma__channel__Preemption__config__t">More...</a><br/></td></tr>
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<tr class="separator:structedma__channel__Preemption__config__t"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:structedma__minor__offset__config__t"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#structedma__minor__offset__config__t">edma_minor_offset_config_t</a></td></tr>
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<tr class="memdesc:structedma__minor__offset__config__t"><td class="mdescLeft"> </td><td class="mdescRight">eDMA minor offset configuration <a href="group__edma.html#structedma__minor__offset__config__t">More...</a><br/></td></tr>
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<tr class="separator:structedma__minor__offset__config__t"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:structedma__tcd__t"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a></td></tr>
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<tr class="memdesc:structedma__tcd__t"><td class="mdescLeft"> </td><td class="mdescRight">eDMA TCD. <a href="group__edma.html#structedma__tcd__t">More...</a><br/></td></tr>
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<tr class="separator:structedma__tcd__t"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:structedma__handle__t"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#structedma__handle__t">edma_handle_t</a></td></tr>
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<tr class="memdesc:structedma__handle__t"><td class="mdescLeft"> </td><td class="mdescRight">eDMA transfer handle structure <a href="group__edma.html#structedma__handle__t">More...</a><br/></td></tr>
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<tr class="separator:structedma__handle__t"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
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Macros</h2></td></tr>
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<tr class="memitem:ga6f2ecddbfb5e68cd1c9243dc141ec275"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga6f2ecddbfb5e68cd1c9243dc141ec275"></a>
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#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga6f2ecddbfb5e68cd1c9243dc141ec275">DMA_DCHPRI_INDEX</a>(channel)   (((channel) & ~0x03U) | (3 - ((channel)&0x03U)))</td></tr>
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<tr class="memdesc:ga6f2ecddbfb5e68cd1c9243dc141ec275"><td class="mdescLeft"> </td><td class="mdescRight">Compute the offset unit from DCHPRI3. <br/></td></tr>
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<tr class="separator:ga6f2ecddbfb5e68cd1c9243dc141ec275"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaf7267caf10c486fd64c0ac40d0bdc2d4"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gaf7267caf10c486fd64c0ac40d0bdc2d4"></a>
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#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#gaf7267caf10c486fd64c0ac40d0bdc2d4">DMA_DCHPRIn</a>(base, channel)   ((volatile uint8_t *)&(base->DCHPRI3))[<a class="el" href="group__edma.html#ga6f2ecddbfb5e68cd1c9243dc141ec275">DMA_DCHPRI_INDEX</a>(channel)]</td></tr>
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<tr class="memdesc:gaf7267caf10c486fd64c0ac40d0bdc2d4"><td class="mdescLeft"> </td><td class="mdescRight">Get the pointer of DCHPRIn. <br/></td></tr>
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<tr class="separator:gaf7267caf10c486fd64c0ac40d0bdc2d4"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="typedef-members"></a>
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Typedefs</h2></td></tr>
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<tr class="memitem:ga9ee3a34d12fbb39bc972f62ba6357022"><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga9ee3a34d12fbb39bc972f62ba6357022">edma_callback</a> )(struct _edma_handle *handle, void *userData, bool transferDone, uint32_t tcds)</td></tr>
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<tr class="memdesc:ga9ee3a34d12fbb39bc972f62ba6357022"><td class="mdescLeft"> </td><td class="mdescRight">Define Callback function for eDMA. <a href="#ga9ee3a34d12fbb39bc972f62ba6357022">More...</a><br/></td></tr>
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<tr class="separator:ga9ee3a34d12fbb39bc972f62ba6357022"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="enum-members"></a>
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Enumerations</h2></td></tr>
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<tr class="memitem:gafeb85400b3b87188983f5d62e9e26cb6"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#gafeb85400b3b87188983f5d62e9e26cb6">edma_transfer_size_t</a> { <br/>
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  <a class="el" href="group__edma.html#ggafeb85400b3b87188983f5d62e9e26cb6acb4e50cd0e23c0d36edf958be77c8dc2">kEDMA_TransferSize1Bytes</a> = 0x0U,
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<br/>
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  <a class="el" href="group__edma.html#ggafeb85400b3b87188983f5d62e9e26cb6a589480546c8db2d1372e62a7946fbb2c">kEDMA_TransferSize2Bytes</a> = 0x1U,
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<br/>
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  <a class="el" href="group__edma.html#ggafeb85400b3b87188983f5d62e9e26cb6a4d91559541642b997418406ec927c454">kEDMA_TransferSize4Bytes</a> = 0x2U,
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<br/>
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  <a class="el" href="group__edma.html#ggafeb85400b3b87188983f5d62e9e26cb6a0d4cdfd536f2985eea3e8111eecd3c43">kEDMA_TransferSize16Bytes</a> = 0x4U,
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<br/>
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  <a class="el" href="group__edma.html#ggafeb85400b3b87188983f5d62e9e26cb6ad7e2421e513fc84a29cd20ab47409229">kEDMA_TransferSize32Bytes</a> = 0x5U
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<br/>
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}</td></tr>
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<tr class="memdesc:gafeb85400b3b87188983f5d62e9e26cb6"><td class="mdescLeft"> </td><td class="mdescRight">eDMA transfer configuration <a href="group__edma.html#gafeb85400b3b87188983f5d62e9e26cb6">More...</a><br/></td></tr>
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<tr class="separator:gafeb85400b3b87188983f5d62e9e26cb6"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga13ac7c9e76c11d3dce06f8976d9e4dd7"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga13ac7c9e76c11d3dce06f8976d9e4dd7">edma_modulo_t</a> { <br/>
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7ab77c38c19ddcc44212b258bdafe2f207">kEDMA_ModuloDisable</a> = 0x0U,
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<br/>
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7af7cbe0618a06406e5473ec1aa11195a0">kEDMA_Modulo2bytes</a>,
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<br/>
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7a2eaf98fea83570be353ff21fde4b8d53">kEDMA_Modulo4bytes</a>,
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<br/>
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7a99fad23e0502470cddec1391edc483e2">kEDMA_Modulo8bytes</a>,
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<br/>
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7abd6ec81a3b0822ea6c3a7c77215e85a8">kEDMA_Modulo16bytes</a>,
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<br/>
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7acd0d2322a93a86bb7bb1160217184569">kEDMA_Modulo32bytes</a>,
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<br/>
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7af60e65e2fdc306df458cabaa77c0a62c">kEDMA_Modulo64bytes</a>,
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<br/>
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7ac5b734f88d8fbe08c19f4b881e643ebd">kEDMA_Modulo128bytes</a>,
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<br/>
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7ab6354112d539cb71083057f72a43f282">kEDMA_Modulo256bytes</a>,
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<br/>
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7a56d31f1fa472122b9edf4d8c8d437359">kEDMA_Modulo512bytes</a>,
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<br/>
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7a7b85b92e30afea2d7d2eb11e40751496">kEDMA_Modulo1Kbytes</a>,
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<br/>
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7acd26e0c0dc1a6518dca27c0a418df484">kEDMA_Modulo2Kbytes</a>,
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<br/>
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7ae9f8fd54c7f183214653a750775b1e1c">kEDMA_Modulo4Kbytes</a>,
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<br/>
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7a568ad80f68673d4f57362dc48701aec6">kEDMA_Modulo8Kbytes</a>,
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<br/>
|
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7a6e8595a1168272eab8923212c1cabaee">kEDMA_Modulo16Kbytes</a>,
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<br/>
|
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7af12cea48af625688f7d3a6e9e2d19d56">kEDMA_Modulo32Kbytes</a>,
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<br/>
|
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7aab39052aeb4a70843c6ddd61b94f95a0">kEDMA_Modulo64Kbytes</a>,
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<br/>
|
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7afb80c06c8d24882fdeb592a37673e499">kEDMA_Modulo128Kbytes</a>,
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<br/>
|
|
  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7ae1c82fe430bd6a43cd8bfca46671cca1">kEDMA_Modulo256Kbytes</a>,
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<br/>
|
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7aff7dbf518027bc1d2a84a4dcfe7f0adc">kEDMA_Modulo512Kbytes</a>,
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<br/>
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7a48ff619715bb526b6d917d6b37686b8a">kEDMA_Modulo1Mbytes</a>,
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<br/>
|
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7a5c2909e6956a01efc28bb70a73ddb9f5">kEDMA_Modulo2Mbytes</a>,
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<br/>
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7a4b07b0456e0aadbde3a32790e423f4d7">kEDMA_Modulo4Mbytes</a>,
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<br/>
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7ad4f068091510d3fc90b8a21bd2492a38">kEDMA_Modulo8Mbytes</a>,
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<br/>
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7a3ff219951928d6e40f658f612f9106c0">kEDMA_Modulo16Mbytes</a>,
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<br/>
|
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7ade7587c87a42242eb0e47a1dbac5f686">kEDMA_Modulo32Mbytes</a>,
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<br/>
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7aedc3a67726be1cdac9385a37556c7056">kEDMA_Modulo64Mbytes</a>,
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<br/>
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7a0f2c2ca6e26fcf1edefe6bd091504041">kEDMA_Modulo128Mbytes</a>,
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<br/>
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7a50818bce765be0d7ccfac7490242c119">kEDMA_Modulo256Mbytes</a>,
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<br/>
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7a2289cd131c9052e9ab097abbff3499e7">kEDMA_Modulo512Mbytes</a>,
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<br/>
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7a22c8078316841b5cc5886d506f95a8e3">kEDMA_Modulo1Gbytes</a>,
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<br/>
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  <a class="el" href="group__edma.html#gga13ac7c9e76c11d3dce06f8976d9e4dd7ab4a779add96a309505f06a540d75340f">kEDMA_Modulo2Gbytes</a>
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<br/>
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}</td></tr>
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<tr class="memdesc:ga13ac7c9e76c11d3dce06f8976d9e4dd7"><td class="mdescLeft"> </td><td class="mdescRight">eDMA modulo configuration <a href="group__edma.html#ga13ac7c9e76c11d3dce06f8976d9e4dd7">More...</a><br/></td></tr>
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<tr class="separator:ga13ac7c9e76c11d3dce06f8976d9e4dd7"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga77dde4bf7218f5dff3f5eeeccd565d0f"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga77dde4bf7218f5dff3f5eeeccd565d0f">edma_bandwidth_t</a> { <br/>
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  <a class="el" href="group__edma.html#gga77dde4bf7218f5dff3f5eeeccd565d0faeb09bbf3022f40b276ab9b94035ef308">kEDMA_BandwidthStallNone</a> = 0x0U,
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<br/>
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  <a class="el" href="group__edma.html#gga77dde4bf7218f5dff3f5eeeccd565d0fa443b7698b1950201d47d97de1b643f3c">kEDMA_BandwidthStall4Cycle</a> = 0x2U,
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<br/>
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  <a class="el" href="group__edma.html#gga77dde4bf7218f5dff3f5eeeccd565d0fac21c278bddfbadae35d53cc565bca9d9">kEDMA_BandwidthStall8Cycle</a> = 0x3U
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<br/>
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}</td></tr>
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<tr class="memdesc:ga77dde4bf7218f5dff3f5eeeccd565d0f"><td class="mdescLeft"> </td><td class="mdescRight">Bandwidth control. <a href="group__edma.html#ga77dde4bf7218f5dff3f5eeeccd565d0f">More...</a><br/></td></tr>
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<tr class="separator:ga77dde4bf7218f5dff3f5eeeccd565d0f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga9b736ab8d1dd10d8a277712904b29c91"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga9b736ab8d1dd10d8a277712904b29c91">edma_channel_link_type_t</a> { <br/>
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  <a class="el" href="group__edma.html#gga9b736ab8d1dd10d8a277712904b29c91aba8b1349b47c8e99c950c179b5548caa">kEDMA_LinkNone</a> = 0x0U,
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<br/>
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  <a class="el" href="group__edma.html#gga9b736ab8d1dd10d8a277712904b29c91a804db702dd385d11a01dd512f3e1606c">kEDMA_MinorLink</a>,
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<br/>
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  <a class="el" href="group__edma.html#gga9b736ab8d1dd10d8a277712904b29c91ab9798ac8a18b9632a7d3fabf0bd76881">kEDMA_MajorLink</a>
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<br/>
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}</td></tr>
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<tr class="memdesc:ga9b736ab8d1dd10d8a277712904b29c91"><td class="mdescLeft"> </td><td class="mdescRight">Channel link type. <a href="group__edma.html#ga9b736ab8d1dd10d8a277712904b29c91">More...</a><br/></td></tr>
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<tr class="separator:ga9b736ab8d1dd10d8a277712904b29c91"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga53dca833c884e3d5841aeaf2157f55cb"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga53dca833c884e3d5841aeaf2157f55cb">_edma_channel_status_flags</a> { <br/>
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  <a class="el" href="group__edma.html#gga53dca833c884e3d5841aeaf2157f55cba3fc49e0e9df4c15438fac350d2d7da56">kEDMA_DoneFlag</a> = 0x1U,
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<br/>
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  <a class="el" href="group__edma.html#gga53dca833c884e3d5841aeaf2157f55cba2c5dd54b1cb8bd4917b99a914c7bdc84">kEDMA_ErrorFlag</a> = 0x2U,
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<br/>
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  <a class="el" href="group__edma.html#gga53dca833c884e3d5841aeaf2157f55cbafca58961c7da506e2f1c05451d16f4d9">kEDMA_InterruptFlag</a> = 0x4U
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<br/>
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}</td></tr>
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<tr class="memdesc:ga53dca833c884e3d5841aeaf2157f55cb"><td class="mdescLeft"> </td><td class="mdescRight">eDMA channel status flags. <a href="group__edma.html#ga53dca833c884e3d5841aeaf2157f55cb">More...</a><br/></td></tr>
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<tr class="separator:ga53dca833c884e3d5841aeaf2157f55cb"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gafad1024b02944dae6bba164e3c9bd564"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#gafad1024b02944dae6bba164e3c9bd564">_edma_error_status_flags</a> { <br/>
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  <a class="el" href="group__edma.html#ggafad1024b02944dae6bba164e3c9bd564a54ca64713f21fd2337d165b273d6f680">kEDMA_DestinationBusErrorFlag</a> = DMA_ES_DBE_MASK,
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|
<br/>
|
|
  <a class="el" href="group__edma.html#ggafad1024b02944dae6bba164e3c9bd564a5eb8315759ff492642e8fde45cd3d244">kEDMA_SourceBusErrorFlag</a> = DMA_ES_SBE_MASK,
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|
<br/>
|
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  <a class="el" href="group__edma.html#ggafad1024b02944dae6bba164e3c9bd564a9aeb6aad3c245959ab91944bc0136479">kEDMA_ScatterGatherErrorFlag</a> = DMA_ES_SGE_MASK,
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<br/>
|
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  <a class="el" href="group__edma.html#ggafad1024b02944dae6bba164e3c9bd564acc8bc58b1704ba1f4f4ee1533f69c98e">kEDMA_NbytesErrorFlag</a> = DMA_ES_NCE_MASK,
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|
<br/>
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  <a class="el" href="group__edma.html#ggafad1024b02944dae6bba164e3c9bd564aa53400970fa05f5d2790f20338aa6d06">kEDMA_DestinationOffsetErrorFlag</a> = DMA_ES_DOE_MASK,
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|
<br/>
|
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  <a class="el" href="group__edma.html#ggafad1024b02944dae6bba164e3c9bd564ae516e9e9db0a946f1565e1c2e3175574">kEDMA_DestinationAddressErrorFlag</a> = DMA_ES_DAE_MASK,
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|
<br/>
|
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  <a class="el" href="group__edma.html#ggafad1024b02944dae6bba164e3c9bd564ad611243e3bd0baed42ed2343e5e575ac">kEDMA_SourceOffsetErrorFlag</a> = DMA_ES_SOE_MASK,
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|
<br/>
|
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  <a class="el" href="group__edma.html#ggafad1024b02944dae6bba164e3c9bd564a4c0642a49305653638e275415320f0f0">kEDMA_SourceAddressErrorFlag</a> = DMA_ES_SAE_MASK,
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|
<br/>
|
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  <a class="el" href="group__edma.html#ggafad1024b02944dae6bba164e3c9bd564a2cc6d4262814dc42f05843199e9540c1">kEDMA_ErrorChannelFlag</a> = DMA_ES_ERRCHN_MASK,
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|
<br/>
|
|
  <a class="el" href="group__edma.html#ggafad1024b02944dae6bba164e3c9bd564a6f919249e70bf24808d10ff0aaeedbae">kEDMA_ChannelPriorityErrorFlag</a> = DMA_ES_CPE_MASK,
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|
<br/>
|
|
  <a class="el" href="group__edma.html#ggafad1024b02944dae6bba164e3c9bd564a1c6f9d050df7f2f0aa945b5f1c46e230">kEDMA_TransferCanceledFlag</a> = DMA_ES_ECX_MASK,
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|
<br/>
|
|
  <a class="el" href="group__edma.html#ggafad1024b02944dae6bba164e3c9bd564ab930c63068a6d7ee6ccb21df993bd48f">kEDMA_ValidFlag</a> = DMA_ES_VLD_MASK
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<br/>
|
|
}</td></tr>
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<tr class="memdesc:gafad1024b02944dae6bba164e3c9bd564"><td class="mdescLeft"> </td><td class="mdescRight">eDMA channel error status flags. <a href="group__edma.html#gafad1024b02944dae6bba164e3c9bd564">More...</a><br/></td></tr>
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<tr class="separator:gafad1024b02944dae6bba164e3c9bd564"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga345805161c8c8ca55c0866085e3d3f76"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga345805161c8c8ca55c0866085e3d3f76">edma_interrupt_enable_t</a> { <br/>
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  <a class="el" href="group__edma.html#gga345805161c8c8ca55c0866085e3d3f76ab2be76dc7af93bec6801d76376f924c0">kEDMA_ErrorInterruptEnable</a> = 0x1U,
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<br/>
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  <a class="el" href="group__edma.html#gga345805161c8c8ca55c0866085e3d3f76a19c5998906a159df3204e818033a3c0e">kEDMA_MajorInterruptEnable</a> = DMA_CSR_INTMAJOR_MASK,
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|
<br/>
|
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  <a class="el" href="group__edma.html#gga345805161c8c8ca55c0866085e3d3f76a2f1573636dcd4a54d9189bdee4cf39d0">kEDMA_HalfInterruptEnable</a> = DMA_CSR_INTHALF_MASK
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|
<br/>
|
|
}</td></tr>
|
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<tr class="memdesc:ga345805161c8c8ca55c0866085e3d3f76"><td class="mdescLeft"> </td><td class="mdescRight">eDMA interrupt source <a href="group__edma.html#ga345805161c8c8ca55c0866085e3d3f76">More...</a><br/></td></tr>
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<tr class="separator:ga345805161c8c8ca55c0866085e3d3f76"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga7803399034b374663f76a589da7d8419"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga7803399034b374663f76a589da7d8419">edma_transfer_type_t</a> { <br/>
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  <a class="el" href="group__edma.html#gga7803399034b374663f76a589da7d8419aba1ccd03368799d9752bd6001f5373a5">kEDMA_MemoryToMemory</a> = 0x0U,
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<br/>
|
|
  <a class="el" href="group__edma.html#gga7803399034b374663f76a589da7d8419a1041287c7dc311d81017f529a51734e6">kEDMA_PeripheralToMemory</a>,
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<br/>
|
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  <a class="el" href="group__edma.html#gga7803399034b374663f76a589da7d8419a172d3e1f201639f3157563f4a1a275bf">kEDMA_MemoryToPeripheral</a>
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<br/>
|
|
}</td></tr>
|
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<tr class="memdesc:ga7803399034b374663f76a589da7d8419"><td class="mdescLeft"> </td><td class="mdescRight">eDMA transfer type <a href="group__edma.html#ga7803399034b374663f76a589da7d8419">More...</a><br/></td></tr>
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<tr class="separator:ga7803399034b374663f76a589da7d8419"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga0dfe704c01e3565723b4a252c4aede11"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga0dfe704c01e3565723b4a252c4aede11">_edma_transfer_status</a> { <br/>
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  <a class="el" href="group__edma.html#gga0dfe704c01e3565723b4a252c4aede11a6d33d9a7019b18917669f16d51085b32">kStatus_EDMA_QueueFull</a> = MAKE_STATUS(kStatusGroup_EDMA, 0),
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<br/>
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  <a class="el" href="group__edma.html#gga0dfe704c01e3565723b4a252c4aede11a96aa3062c73a9f439f63c0ed24f09c07">kStatus_EDMA_Busy</a> = MAKE_STATUS(kStatusGroup_EDMA, 1)
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<br/>
|
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}</td></tr>
|
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<tr class="memdesc:ga0dfe704c01e3565723b4a252c4aede11"><td class="mdescLeft"> </td><td class="mdescRight">eDMA transfer status <a href="group__edma.html#ga0dfe704c01e3565723b4a252c4aede11">More...</a><br/></td></tr>
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<tr class="separator:ga0dfe704c01e3565723b4a252c4aede11"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
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Driver version</h2></td></tr>
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<tr class="memitem:ga5f0841e9527b371724ef4418e6807643"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga5f0841e9527b371724ef4418e6807643">FSL_EDMA_DRIVER_VERSION</a>   (<a class="el" href="group__flash__driver.html#ga812138aa3315b0c6953c1a26130bcc37">MAKE_VERSION</a>(2, 0, 1))</td></tr>
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<tr class="memdesc:ga5f0841e9527b371724ef4418e6807643"><td class="mdescLeft"> </td><td class="mdescRight">eDMA driver version <a href="#ga5f0841e9527b371724ef4418e6807643">More...</a><br/></td></tr>
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<tr class="separator:ga5f0841e9527b371724ef4418e6807643"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
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eDMA initialization and De-initialization</h2></td></tr>
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<tr class="memitem:gaf7588eb4b54499f0f55c698bd98bc1bb"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#gaf7588eb4b54499f0f55c698bd98bc1bb">EDMA_Init</a> (DMA_Type *base, const <a class="el" href="group__edma.html#structedma__config__t">edma_config_t</a> *config)</td></tr>
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<tr class="memdesc:gaf7588eb4b54499f0f55c698bd98bc1bb"><td class="mdescLeft"> </td><td class="mdescRight">Initializes eDMA peripheral. <a href="#gaf7588eb4b54499f0f55c698bd98bc1bb">More...</a><br/></td></tr>
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<tr class="separator:gaf7588eb4b54499f0f55c698bd98bc1bb"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga29aa2b1f72c154c12305d6615845618c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga29aa2b1f72c154c12305d6615845618c">EDMA_Deinit</a> (DMA_Type *base)</td></tr>
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<tr class="memdesc:ga29aa2b1f72c154c12305d6615845618c"><td class="mdescLeft"> </td><td class="mdescRight">Deinitializes eDMA peripheral. <a href="#ga29aa2b1f72c154c12305d6615845618c">More...</a><br/></td></tr>
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<tr class="separator:ga29aa2b1f72c154c12305d6615845618c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga9851dc5addd6a1fc557bfdb625aa5c19"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga9851dc5addd6a1fc557bfdb625aa5c19">EDMA_GetDefaultConfig</a> (<a class="el" href="group__edma.html#structedma__config__t">edma_config_t</a> *config)</td></tr>
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<tr class="memdesc:ga9851dc5addd6a1fc557bfdb625aa5c19"><td class="mdescLeft"> </td><td class="mdescRight">Gets the eDMA default configuration structure. <a href="#ga9851dc5addd6a1fc557bfdb625aa5c19">More...</a><br/></td></tr>
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<tr class="separator:ga9851dc5addd6a1fc557bfdb625aa5c19"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
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eDMA Channel Operation</h2></td></tr>
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<tr class="memitem:gaecea06e22455415332bbc342c309cb6b"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#gaecea06e22455415332bbc342c309cb6b">EDMA_ResetChannel</a> (DMA_Type *base, uint32_t channel)</td></tr>
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<tr class="memdesc:gaecea06e22455415332bbc342c309cb6b"><td class="mdescLeft"> </td><td class="mdescRight">Sets all TCD registers to a default value. <a href="#gaecea06e22455415332bbc342c309cb6b">More...</a><br/></td></tr>
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<tr class="separator:gaecea06e22455415332bbc342c309cb6b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaad0c5872dda63e558ee6c62f9bc5eaa8"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#gaad0c5872dda63e558ee6c62f9bc5eaa8">EDMA_SetTransferConfig</a> (DMA_Type *base, uint32_t channel, const <a class="el" href="group__edma.html#structedma__transfer__config__t">edma_transfer_config_t</a> *config, <a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> *nextTcd)</td></tr>
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<tr class="memdesc:gaad0c5872dda63e558ee6c62f9bc5eaa8"><td class="mdescLeft"> </td><td class="mdescRight">Configures the eDMA transfer attribute. <a href="#gaad0c5872dda63e558ee6c62f9bc5eaa8">More...</a><br/></td></tr>
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<tr class="separator:gaad0c5872dda63e558ee6c62f9bc5eaa8"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gae77bdff6263bed3a02291efb8f1146f0"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#gae77bdff6263bed3a02291efb8f1146f0">EDMA_SetMinorOffsetConfig</a> (DMA_Type *base, uint32_t channel, const <a class="el" href="group__edma.html#structedma__minor__offset__config__t">edma_minor_offset_config_t</a> *config)</td></tr>
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<tr class="memdesc:gae77bdff6263bed3a02291efb8f1146f0"><td class="mdescLeft"> </td><td class="mdescRight">Configures the eDMA minor offset feature. <a href="#gae77bdff6263bed3a02291efb8f1146f0">More...</a><br/></td></tr>
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<tr class="separator:gae77bdff6263bed3a02291efb8f1146f0"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga01cfc161ccda5ca8bd86083bec5d0657"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga01cfc161ccda5ca8bd86083bec5d0657">EDMA_SetChannelPreemptionConfig</a> (DMA_Type *base, uint32_t channel, const <a class="el" href="group__edma.html#structedma__channel__Preemption__config__t">edma_channel_Preemption_config_t</a> *config)</td></tr>
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<tr class="memdesc:ga01cfc161ccda5ca8bd86083bec5d0657"><td class="mdescLeft"> </td><td class="mdescRight">Configures the eDMA channel preemption feature. <a href="#ga01cfc161ccda5ca8bd86083bec5d0657">More...</a><br/></td></tr>
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<tr class="separator:ga01cfc161ccda5ca8bd86083bec5d0657"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga7d0f2eac212bad0a1998b05d34a65619"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga7d0f2eac212bad0a1998b05d34a65619">EDMA_SetChannelLink</a> (DMA_Type *base, uint32_t channel, <a class="el" href="group__edma.html#ga9b736ab8d1dd10d8a277712904b29c91">edma_channel_link_type_t</a> type, uint32_t linkedChannel)</td></tr>
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<tr class="memdesc:ga7d0f2eac212bad0a1998b05d34a65619"><td class="mdescLeft"> </td><td class="mdescRight">Sets the channel link for the eDMA transfer. <a href="#ga7d0f2eac212bad0a1998b05d34a65619">More...</a><br/></td></tr>
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<tr class="separator:ga7d0f2eac212bad0a1998b05d34a65619"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaf2997a300751b52e3c2e699e3f2296f2"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#gaf2997a300751b52e3c2e699e3f2296f2">EDMA_SetBandWidth</a> (DMA_Type *base, uint32_t channel, <a class="el" href="group__edma.html#ga77dde4bf7218f5dff3f5eeeccd565d0f">edma_bandwidth_t</a> bandWidth)</td></tr>
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<tr class="memdesc:gaf2997a300751b52e3c2e699e3f2296f2"><td class="mdescLeft"> </td><td class="mdescRight">Sets the bandwidth for the eDMA transfer. <a href="#gaf2997a300751b52e3c2e699e3f2296f2">More...</a><br/></td></tr>
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<tr class="separator:gaf2997a300751b52e3c2e699e3f2296f2"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaa3f4855fe92ed80276487771b9bd2705"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#gaa3f4855fe92ed80276487771b9bd2705">EDMA_SetModulo</a> (DMA_Type *base, uint32_t channel, <a class="el" href="group__edma.html#ga13ac7c9e76c11d3dce06f8976d9e4dd7">edma_modulo_t</a> srcModulo, <a class="el" href="group__edma.html#ga13ac7c9e76c11d3dce06f8976d9e4dd7">edma_modulo_t</a> destModulo)</td></tr>
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<tr class="memdesc:gaa3f4855fe92ed80276487771b9bd2705"><td class="mdescLeft"> </td><td class="mdescRight">Sets the source modulo and destination modulo for eDMA transfer. <a href="#gaa3f4855fe92ed80276487771b9bd2705">More...</a><br/></td></tr>
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<tr class="separator:gaa3f4855fe92ed80276487771b9bd2705"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gac3ef15106efff13ea6a25441fc228349"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#gac3ef15106efff13ea6a25441fc228349">EDMA_EnableAutoStopRequest</a> (DMA_Type *base, uint32_t channel, bool enable)</td></tr>
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<tr class="memdesc:gac3ef15106efff13ea6a25441fc228349"><td class="mdescLeft"> </td><td class="mdescRight">Enables an auto stop request for the eDMA transfer. <a href="#gac3ef15106efff13ea6a25441fc228349">More...</a><br/></td></tr>
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<tr class="separator:gac3ef15106efff13ea6a25441fc228349"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga15df898b3b420958f51c4df22dc85b98"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga15df898b3b420958f51c4df22dc85b98">EDMA_EnableChannelInterrupts</a> (DMA_Type *base, uint32_t channel, uint32_t mask)</td></tr>
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<tr class="memdesc:ga15df898b3b420958f51c4df22dc85b98"><td class="mdescLeft"> </td><td class="mdescRight">Enables the interrupt source for the eDMA transfer. <a href="#ga15df898b3b420958f51c4df22dc85b98">More...</a><br/></td></tr>
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<tr class="separator:ga15df898b3b420958f51c4df22dc85b98"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga251561e70531dfcea586b5f1fff9c916"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga251561e70531dfcea586b5f1fff9c916">EDMA_DisableChannelInterrupts</a> (DMA_Type *base, uint32_t channel, uint32_t mask)</td></tr>
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<tr class="memdesc:ga251561e70531dfcea586b5f1fff9c916"><td class="mdescLeft"> </td><td class="mdescRight">Disables the interrupt source for the eDMA transfer. <a href="#ga251561e70531dfcea586b5f1fff9c916">More...</a><br/></td></tr>
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<tr class="separator:ga251561e70531dfcea586b5f1fff9c916"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
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eDMA TCD Operation</h2></td></tr>
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<tr class="memitem:ga3c6239d1c1cd5483fa9b390f568e3066"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga3c6239d1c1cd5483fa9b390f568e3066">EDMA_TcdReset</a> (<a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> *tcd)</td></tr>
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<tr class="memdesc:ga3c6239d1c1cd5483fa9b390f568e3066"><td class="mdescLeft"> </td><td class="mdescRight">Sets all fields to default values for the TCD structure. <a href="#ga3c6239d1c1cd5483fa9b390f568e3066">More...</a><br/></td></tr>
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<tr class="separator:ga3c6239d1c1cd5483fa9b390f568e3066"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gad7efa07faa29e3acf456fc1cffb3f9d5"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#gad7efa07faa29e3acf456fc1cffb3f9d5">EDMA_TcdSetTransferConfig</a> (<a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> *tcd, const <a class="el" href="group__edma.html#structedma__transfer__config__t">edma_transfer_config_t</a> *config, <a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> *nextTcd)</td></tr>
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<tr class="memdesc:gad7efa07faa29e3acf456fc1cffb3f9d5"><td class="mdescLeft"> </td><td class="mdescRight">Configures the eDMA TCD transfer attribute. <a href="#gad7efa07faa29e3acf456fc1cffb3f9d5">More...</a><br/></td></tr>
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<tr class="separator:gad7efa07faa29e3acf456fc1cffb3f9d5"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga5409f4a24baec461a186df10fe1f8c52"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga5409f4a24baec461a186df10fe1f8c52">EDMA_TcdSetMinorOffsetConfig</a> (<a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> *tcd, const <a class="el" href="group__edma.html#structedma__minor__offset__config__t">edma_minor_offset_config_t</a> *config)</td></tr>
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<tr class="memdesc:ga5409f4a24baec461a186df10fe1f8c52"><td class="mdescLeft"> </td><td class="mdescRight">Configures the eDMA TCD minor offset feature. <a href="#ga5409f4a24baec461a186df10fe1f8c52">More...</a><br/></td></tr>
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<tr class="separator:ga5409f4a24baec461a186df10fe1f8c52"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gab8ab8f65a2f29d7683fede1d3b239655"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#gab8ab8f65a2f29d7683fede1d3b239655">EDMA_TcdSetChannelLink</a> (<a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> *tcd, <a class="el" href="group__edma.html#ga9b736ab8d1dd10d8a277712904b29c91">edma_channel_link_type_t</a> type, uint32_t linkedChannel)</td></tr>
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<tr class="memdesc:gab8ab8f65a2f29d7683fede1d3b239655"><td class="mdescLeft"> </td><td class="mdescRight">Sets the channel link for eDMA TCD. <a href="#gab8ab8f65a2f29d7683fede1d3b239655">More...</a><br/></td></tr>
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<tr class="separator:gab8ab8f65a2f29d7683fede1d3b239655"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga7357cc963fb15ce336ea8fb78f3475a7"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga7357cc963fb15ce336ea8fb78f3475a7">EDMA_TcdSetBandWidth</a> (<a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> *tcd, <a class="el" href="group__edma.html#ga77dde4bf7218f5dff3f5eeeccd565d0f">edma_bandwidth_t</a> bandWidth)</td></tr>
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<tr class="memdesc:ga7357cc963fb15ce336ea8fb78f3475a7"><td class="mdescLeft"> </td><td class="mdescRight">Sets the bandwidth for the eDMA TCD. <a href="#ga7357cc963fb15ce336ea8fb78f3475a7">More...</a><br/></td></tr>
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<tr class="separator:ga7357cc963fb15ce336ea8fb78f3475a7"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga998211b8fa494160251f2bdfae2d67b4"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga998211b8fa494160251f2bdfae2d67b4">EDMA_TcdSetModulo</a> (<a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> *tcd, <a class="el" href="group__edma.html#ga13ac7c9e76c11d3dce06f8976d9e4dd7">edma_modulo_t</a> srcModulo, <a class="el" href="group__edma.html#ga13ac7c9e76c11d3dce06f8976d9e4dd7">edma_modulo_t</a> destModulo)</td></tr>
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<tr class="memdesc:ga998211b8fa494160251f2bdfae2d67b4"><td class="mdescLeft"> </td><td class="mdescRight">Sets the source modulo and destination modulo for eDMA TCD. <a href="#ga998211b8fa494160251f2bdfae2d67b4">More...</a><br/></td></tr>
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<tr class="separator:ga998211b8fa494160251f2bdfae2d67b4"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gabc58ab357e8425a3211048a77ca5ed82"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#gabc58ab357e8425a3211048a77ca5ed82">EDMA_TcdEnableAutoStopRequest</a> (<a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> *tcd, bool enable)</td></tr>
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<tr class="memdesc:gabc58ab357e8425a3211048a77ca5ed82"><td class="mdescLeft"> </td><td class="mdescRight">Sets the auto stop request for the eDMA TCD. <a href="#gabc58ab357e8425a3211048a77ca5ed82">More...</a><br/></td></tr>
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<tr class="separator:gabc58ab357e8425a3211048a77ca5ed82"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaff194ee32f2848aa721f8d65f4329fce"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#gaff194ee32f2848aa721f8d65f4329fce">EDMA_TcdEnableInterrupts</a> (<a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> *tcd, uint32_t mask)</td></tr>
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<tr class="memdesc:gaff194ee32f2848aa721f8d65f4329fce"><td class="mdescLeft"> </td><td class="mdescRight">Enables the interrupt source for the eDMA TCD. <a href="#gaff194ee32f2848aa721f8d65f4329fce">More...</a><br/></td></tr>
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<tr class="separator:gaff194ee32f2848aa721f8d65f4329fce"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga1dad41c69a12e8abb772f60c66d9f162"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga1dad41c69a12e8abb772f60c66d9f162">EDMA_TcdDisableInterrupts</a> (<a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> *tcd, uint32_t mask)</td></tr>
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<tr class="memdesc:ga1dad41c69a12e8abb772f60c66d9f162"><td class="mdescLeft"> </td><td class="mdescRight">Disables the interrupt source for the eDMA TCD. <a href="#ga1dad41c69a12e8abb772f60c66d9f162">More...</a><br/></td></tr>
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<tr class="separator:ga1dad41c69a12e8abb772f60c66d9f162"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
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eDMA Channel Transfer Operation</h2></td></tr>
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<tr class="memitem:gaabbec6b59a4313df50af39872743deaf"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#gaabbec6b59a4313df50af39872743deaf">EDMA_EnableChannelRequest</a> (DMA_Type *base, uint32_t channel)</td></tr>
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<tr class="memdesc:gaabbec6b59a4313df50af39872743deaf"><td class="mdescLeft"> </td><td class="mdescRight">Enables the eDMA hardware channel request. <a href="#gaabbec6b59a4313df50af39872743deaf">More...</a><br/></td></tr>
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<tr class="separator:gaabbec6b59a4313df50af39872743deaf"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga44708108a447777f25e322063df70c95"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga44708108a447777f25e322063df70c95">EDMA_DisableChannelRequest</a> (DMA_Type *base, uint32_t channel)</td></tr>
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<tr class="memdesc:ga44708108a447777f25e322063df70c95"><td class="mdescLeft"> </td><td class="mdescRight">Disables the eDMA hardware channel request. <a href="#ga44708108a447777f25e322063df70c95">More...</a><br/></td></tr>
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<tr class="separator:ga44708108a447777f25e322063df70c95"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga38aa18611518af3211f23044527d6992"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga38aa18611518af3211f23044527d6992">EDMA_TriggerChannelStart</a> (DMA_Type *base, uint32_t channel)</td></tr>
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<tr class="memdesc:ga38aa18611518af3211f23044527d6992"><td class="mdescLeft"> </td><td class="mdescRight">Starts the eDMA transfer by software trigger. <a href="#ga38aa18611518af3211f23044527d6992">More...</a><br/></td></tr>
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<tr class="separator:ga38aa18611518af3211f23044527d6992"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
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eDMA Channel Status Operation</h2></td></tr>
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<tr class="memitem:gaab8c787c4a14ce27f50edfd36abbaa8c"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#gaab8c787c4a14ce27f50edfd36abbaa8c">EDMA_GetRemainingBytes</a> (DMA_Type *base, uint32_t channel)</td></tr>
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<tr class="memdesc:gaab8c787c4a14ce27f50edfd36abbaa8c"><td class="mdescLeft"> </td><td class="mdescRight">Gets the Remaining bytes from the eDMA current channel TCD. <a href="#gaab8c787c4a14ce27f50edfd36abbaa8c">More...</a><br/></td></tr>
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<tr class="separator:gaab8c787c4a14ce27f50edfd36abbaa8c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga2416059ab1bd9c51df50bf78f0f98221"><td class="memItemLeft" align="right" valign="top">static uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga2416059ab1bd9c51df50bf78f0f98221">EDMA_GetErrorStatusFlags</a> (DMA_Type *base)</td></tr>
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<tr class="memdesc:ga2416059ab1bd9c51df50bf78f0f98221"><td class="mdescLeft"> </td><td class="mdescRight">Gets the eDMA channel error status flags. <a href="#ga2416059ab1bd9c51df50bf78f0f98221">More...</a><br/></td></tr>
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<tr class="separator:ga2416059ab1bd9c51df50bf78f0f98221"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga6e33fe1b55eb7296b1c2cb440c63bf0e"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga6e33fe1b55eb7296b1c2cb440c63bf0e">EDMA_GetChannelStatusFlags</a> (DMA_Type *base, uint32_t channel)</td></tr>
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<tr class="memdesc:ga6e33fe1b55eb7296b1c2cb440c63bf0e"><td class="mdescLeft"> </td><td class="mdescRight">Gets the eDMA channel status flags. <a href="#ga6e33fe1b55eb7296b1c2cb440c63bf0e">More...</a><br/></td></tr>
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<tr class="separator:ga6e33fe1b55eb7296b1c2cb440c63bf0e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga4575eda0bdf9bbec225cdb322bfadb97"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga4575eda0bdf9bbec225cdb322bfadb97">EDMA_ClearChannelStatusFlags</a> (DMA_Type *base, uint32_t channel, uint32_t mask)</td></tr>
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<tr class="memdesc:ga4575eda0bdf9bbec225cdb322bfadb97"><td class="mdescLeft"> </td><td class="mdescRight">Clears the eDMA channel status flags. <a href="#ga4575eda0bdf9bbec225cdb322bfadb97">More...</a><br/></td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
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eDMA Transactional Operation</h2></td></tr>
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<tr class="memitem:gae71842684e693908395784e8b7f7ef55"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#gae71842684e693908395784e8b7f7ef55">EDMA_CreateHandle</a> (<a class="el" href="group__edma.html#structedma__handle__t">edma_handle_t</a> *handle, DMA_Type *base, uint32_t channel)</td></tr>
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<tr class="memdesc:gae71842684e693908395784e8b7f7ef55"><td class="mdescLeft"> </td><td class="mdescRight">Creates the eDMA handle. <a href="#gae71842684e693908395784e8b7f7ef55">More...</a><br/></td></tr>
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<tr class="memitem:ga61e4c8c8c4292918fe976a9071fa68e2"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga61e4c8c8c4292918fe976a9071fa68e2">EDMA_InstallTCDMemory</a> (<a class="el" href="group__edma.html#structedma__handle__t">edma_handle_t</a> *handle, <a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> *tcdPool, uint32_t tcdSize)</td></tr>
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<tr class="memdesc:ga61e4c8c8c4292918fe976a9071fa68e2"><td class="mdescLeft"> </td><td class="mdescRight">Installs the TCDs memory pool into eDMA handle. <a href="#ga61e4c8c8c4292918fe976a9071fa68e2">More...</a><br/></td></tr>
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<tr class="separator:ga61e4c8c8c4292918fe976a9071fa68e2"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga945ae6f5db8b32c9b39ec0954073d65d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga945ae6f5db8b32c9b39ec0954073d65d">EDMA_SetCallback</a> (<a class="el" href="group__edma.html#structedma__handle__t">edma_handle_t</a> *handle, <a class="el" href="group__edma.html#ga9ee3a34d12fbb39bc972f62ba6357022">edma_callback</a> callback, void *userData)</td></tr>
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<tr class="memdesc:ga945ae6f5db8b32c9b39ec0954073d65d"><td class="mdescLeft"> </td><td class="mdescRight">Installs a callback function for the eDMA transfer. <a href="#ga945ae6f5db8b32c9b39ec0954073d65d">More...</a><br/></td></tr>
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<tr class="separator:ga945ae6f5db8b32c9b39ec0954073d65d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga9ae2d264213737df083b4a7089f826d8"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga9ae2d264213737df083b4a7089f826d8">EDMA_PrepareTransfer</a> (<a class="el" href="group__edma.html#structedma__transfer__config__t">edma_transfer_config_t</a> *config, void *srcAddr, uint32_t srcWidth, void *destAddr, uint32_t destWidth, uint32_t bytesEachRequest, uint32_t transferBytes, <a class="el" href="group__edma.html#ga7803399034b374663f76a589da7d8419">edma_transfer_type_t</a> type)</td></tr>
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<tr class="memdesc:ga9ae2d264213737df083b4a7089f826d8"><td class="mdescLeft"> </td><td class="mdescRight">Prepares the eDMA transfer structure. <a href="#ga9ae2d264213737df083b4a7089f826d8">More...</a><br/></td></tr>
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<tr class="separator:ga9ae2d264213737df083b4a7089f826d8"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga8a78ca4c4c941f0ba5fa60033b81b61b"><td class="memItemLeft" align="right" valign="top">status_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga8a78ca4c4c941f0ba5fa60033b81b61b">EDMA_SubmitTransfer</a> (<a class="el" href="group__edma.html#structedma__handle__t">edma_handle_t</a> *handle, const <a class="el" href="group__edma.html#structedma__transfer__config__t">edma_transfer_config_t</a> *config)</td></tr>
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<tr class="memdesc:ga8a78ca4c4c941f0ba5fa60033b81b61b"><td class="mdescLeft"> </td><td class="mdescRight">Submits the eDMA transfer request. <a href="#ga8a78ca4c4c941f0ba5fa60033b81b61b">More...</a><br/></td></tr>
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<tr class="separator:ga8a78ca4c4c941f0ba5fa60033b81b61b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gab4a5570a9a0936f6666ec3c6a619296f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#gab4a5570a9a0936f6666ec3c6a619296f">EDMA_StartTransfer</a> (<a class="el" href="group__edma.html#structedma__handle__t">edma_handle_t</a> *handle)</td></tr>
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<tr class="memdesc:gab4a5570a9a0936f6666ec3c6a619296f"><td class="mdescLeft"> </td><td class="mdescRight">eDMA start transfer. <a href="#gab4a5570a9a0936f6666ec3c6a619296f">More...</a><br/></td></tr>
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<tr class="separator:gab4a5570a9a0936f6666ec3c6a619296f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga253a133e7834d7cb958911a05acc16b8"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga253a133e7834d7cb958911a05acc16b8">EDMA_StopTransfer</a> (<a class="el" href="group__edma.html#structedma__handle__t">edma_handle_t</a> *handle)</td></tr>
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<tr class="memdesc:ga253a133e7834d7cb958911a05acc16b8"><td class="mdescLeft"> </td><td class="mdescRight">eDMA stop transfer. <a href="#ga253a133e7834d7cb958911a05acc16b8">More...</a><br/></td></tr>
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<tr class="separator:ga253a133e7834d7cb958911a05acc16b8"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga2098cf6995bc79b25c5c9588f1c711e9"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ga2098cf6995bc79b25c5c9588f1c711e9">EDMA_AbortTransfer</a> (<a class="el" href="group__edma.html#structedma__handle__t">edma_handle_t</a> *handle)</td></tr>
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<tr class="memdesc:ga2098cf6995bc79b25c5c9588f1c711e9"><td class="mdescLeft"> </td><td class="mdescRight">eDMA abort transfer. <a href="#ga2098cf6995bc79b25c5c9588f1c711e9">More...</a><br/></td></tr>
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<tr class="separator:ga2098cf6995bc79b25c5c9588f1c711e9"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaebf4a6a6000c296d3ab795aae77b65a0"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#gaebf4a6a6000c296d3ab795aae77b65a0">EDMA_HandleIRQ</a> (<a class="el" href="group__edma.html#structedma__handle__t">edma_handle_t</a> *handle)</td></tr>
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<tr class="memdesc:gaebf4a6a6000c296d3ab795aae77b65a0"><td class="mdescLeft"> </td><td class="mdescRight">eDMA IRQ handler for current major loop transfer complete. <a href="#gaebf4a6a6000c296d3ab795aae77b65a0">More...</a><br/></td></tr>
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<tr class="separator:gaebf4a6a6000c296d3ab795aae77b65a0"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<hr/><h2 class="groupheader">Data Structure Documentation</h2>
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<a name="structedma__config__t" id="structedma__config__t"></a>
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<td class="memname">struct edma_config_t</td>
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<div class="textblock"></div><table class="memberdecls">
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<tr><td colspan="2"><h3>Data Fields</h3></td></tr>
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<tr class="memitem:aa45bd940803ec470b60e5b5d5bd0356b"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#aa45bd940803ec470b60e5b5d5bd0356b">enableContinuousLinkMode</a></td></tr>
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<tr class="memdesc:aa45bd940803ec470b60e5b5d5bd0356b"><td class="mdescLeft"> </td><td class="mdescRight">Enable (true) continuous link mode. <a href="#aa45bd940803ec470b60e5b5d5bd0356b">More...</a><br/></td></tr>
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<tr class="separator:aa45bd940803ec470b60e5b5d5bd0356b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4d319e29ce0ab4f2406aae26a136422a"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#a4d319e29ce0ab4f2406aae26a136422a">enableHaltOnError</a></td></tr>
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<tr class="memdesc:a4d319e29ce0ab4f2406aae26a136422a"><td class="mdescLeft"> </td><td class="mdescRight">Enable (true) transfer halt on error. <a href="#a4d319e29ce0ab4f2406aae26a136422a">More...</a><br/></td></tr>
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<tr class="separator:a4d319e29ce0ab4f2406aae26a136422a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aef3200ba1711d6649c69fca888cf3468"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aef3200ba1711d6649c69fca888cf3468"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#aef3200ba1711d6649c69fca888cf3468">enableRoundRobinArbitration</a></td></tr>
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<tr class="memdesc:aef3200ba1711d6649c69fca888cf3468"><td class="mdescLeft"> </td><td class="mdescRight">Enable (true) round robin channel arbitration method, or fixed priority arbitration is used for channel selection. <br/></td></tr>
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<tr class="separator:aef3200ba1711d6649c69fca888cf3468"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a7929ad2b37282a423c5ac5d7f4c7e744"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#a7929ad2b37282a423c5ac5d7f4c7e744">enableDebugMode</a></td></tr>
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<tr class="memdesc:a7929ad2b37282a423c5ac5d7f4c7e744"><td class="mdescLeft"> </td><td class="mdescRight">Enable(true) eDMA debug mode. <a href="#a7929ad2b37282a423c5ac5d7f4c7e744">More...</a><br/></td></tr>
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<tr class="separator:a7929ad2b37282a423c5ac5d7f4c7e744"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<h4 class="groupheader">Field Documentation</h4>
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<a class="anchor" id="aa45bd940803ec470b60e5b5d5bd0356b"></a>
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<td class="memname">bool edma_config_t::enableContinuousLinkMode</td>
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<p>Upon minor loop completion, the channel activates again if that channel has a minor loop channel link enabled and the link channel is itself. </p>
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<td class="memname">bool edma_config_t::enableHaltOnError</td>
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<p>Any error causes the HALT bit to set. Subsequently, all service requests are ignored until the HALT bit is cleared. </p>
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<a class="anchor" id="a7929ad2b37282a423c5ac5d7f4c7e744"></a>
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<td class="memname">bool edma_config_t::enableDebugMode</td>
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<p>When in debug mode, the eDMA stalls the start of a new channel. Executing channels are allowed to complete. </p>
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<a name="structedma__transfer__config__t" id="structedma__transfer__config__t"></a>
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<td class="memname">struct edma_transfer_config_t</td>
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</table>
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</div><div class="memdoc">
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<div class="textblock"><p>This structure configures the source/destination transfer attribute. This figure shows the eDMA's transfer model: </p>
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<hr/>
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<p> | Transfer Size | | Minor Loop |_______________| Major loop Count 1 | Bytes | Transfer Size | | ____________|_______________|____________________|–> Minor loop complete </p>
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<hr/>
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<p> | | | |_______________| Major Loop Count 2 | | | | |_______________|____________________|–> Minor loop Complete</p>
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<p>------------------------------------------------------—> Transfer complete </p>
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</div><table class="memberdecls">
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<tr><td colspan="2"><h3>Data Fields</h3></td></tr>
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<tr class="memitem:aa1ff988241ea8238e8793f4236c55553"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#aa1ff988241ea8238e8793f4236c55553">srcAddr</a></td></tr>
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<tr class="memdesc:aa1ff988241ea8238e8793f4236c55553"><td class="mdescLeft"> </td><td class="mdescRight">Source data address. <a href="#aa1ff988241ea8238e8793f4236c55553">More...</a><br/></td></tr>
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<tr class="separator:aa1ff988241ea8238e8793f4236c55553"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a70e10c552f356c4d2935e9f308a3317a"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#a70e10c552f356c4d2935e9f308a3317a">destAddr</a></td></tr>
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<tr class="memdesc:a70e10c552f356c4d2935e9f308a3317a"><td class="mdescLeft"> </td><td class="mdescRight">Destination data address. <a href="#a70e10c552f356c4d2935e9f308a3317a">More...</a><br/></td></tr>
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<tr class="separator:a70e10c552f356c4d2935e9f308a3317a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ae5f96bb8d80f6f7a6c8a687e8a42a77e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__edma.html#gafeb85400b3b87188983f5d62e9e26cb6">edma_transfer_size_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ae5f96bb8d80f6f7a6c8a687e8a42a77e">srcTransferSize</a></td></tr>
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<tr class="memdesc:ae5f96bb8d80f6f7a6c8a687e8a42a77e"><td class="mdescLeft"> </td><td class="mdescRight">Source data transfer size. <a href="#ae5f96bb8d80f6f7a6c8a687e8a42a77e">More...</a><br/></td></tr>
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<tr class="separator:ae5f96bb8d80f6f7a6c8a687e8a42a77e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:afe8f8da3ed5f7c4079c818ef0197a4d7"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__edma.html#gafeb85400b3b87188983f5d62e9e26cb6">edma_transfer_size_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#afe8f8da3ed5f7c4079c818ef0197a4d7">destTransferSize</a></td></tr>
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<tr class="memdesc:afe8f8da3ed5f7c4079c818ef0197a4d7"><td class="mdescLeft"> </td><td class="mdescRight">Destination data transfer size. <a href="#afe8f8da3ed5f7c4079c818ef0197a4d7">More...</a><br/></td></tr>
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<tr class="separator:afe8f8da3ed5f7c4079c818ef0197a4d7"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a25b479621f01e4e2cf7fcdab62d6e266"><td class="memItemLeft" align="right" valign="top">int16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#a25b479621f01e4e2cf7fcdab62d6e266">srcOffset</a></td></tr>
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<tr class="memdesc:a25b479621f01e4e2cf7fcdab62d6e266"><td class="mdescLeft"> </td><td class="mdescRight">Sign-extended offset applied to the current source address to form the next-state value as each source read is completed. <a href="#a25b479621f01e4e2cf7fcdab62d6e266">More...</a><br/></td></tr>
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<tr class="separator:a25b479621f01e4e2cf7fcdab62d6e266"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a09907c86542286a95a655e748789ba3e"><td class="memItemLeft" align="right" valign="top">int16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#a09907c86542286a95a655e748789ba3e">destOffset</a></td></tr>
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<tr class="memdesc:a09907c86542286a95a655e748789ba3e"><td class="mdescLeft"> </td><td class="mdescRight">Sign-extended offset applied to the current destination address to form the next-state value as each destination write is completed. <a href="#a09907c86542286a95a655e748789ba3e">More...</a><br/></td></tr>
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<tr class="separator:a09907c86542286a95a655e748789ba3e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a927fd76e644051159e499aa9d55184ac"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a927fd76e644051159e499aa9d55184ac"></a>
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uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#a927fd76e644051159e499aa9d55184ac">minorLoopBytes</a></td></tr>
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<tr class="memdesc:a927fd76e644051159e499aa9d55184ac"><td class="mdescLeft"> </td><td class="mdescRight">Bytes to transfer in a minor loop. <br/></td></tr>
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<tr class="memitem:accd14b645237edae7fa51c5db6aa6998"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#accd14b645237edae7fa51c5db6aa6998">majorLoopCounts</a></td></tr>
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<tr class="memdesc:accd14b645237edae7fa51c5db6aa6998"><td class="mdescLeft"> </td><td class="mdescRight">Major loop iteration count. <a href="#accd14b645237edae7fa51c5db6aa6998">More...</a><br/></td></tr>
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<h4 class="groupheader">Field Documentation</h4>
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<td class="memname">uint32_t edma_transfer_config_t::srcAddr</td>
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<td class="memname">uint32_t edma_transfer_config_t::destAddr</td>
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<td class="memname"><a class="el" href="group__edma.html#gafeb85400b3b87188983f5d62e9e26cb6">edma_transfer_size_t</a> edma_transfer_config_t::srcTransferSize</td>
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<td class="memname"><a class="el" href="group__edma.html#gafeb85400b3b87188983f5d62e9e26cb6">edma_transfer_size_t</a> edma_transfer_config_t::destTransferSize</td>
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<td class="memname">int16_t edma_transfer_config_t::srcOffset</td>
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<td class="memname">int16_t edma_transfer_config_t::destOffset</td>
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<td class="memname">uint32_t edma_transfer_config_t::majorLoopCounts</td>
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<a name="structedma__channel__Preemption__config__t" id="structedma__channel__Preemption__config__t"></a>
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<td class="memname">struct edma_channel_Preemption_config_t</td>
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<div class="textblock"></div><table class="memberdecls">
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<tr><td colspan="2"><h3>Data Fields</h3></td></tr>
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<tr class="memitem:aa1230352459f3f47b0e396ef7971bbd6"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa1230352459f3f47b0e396ef7971bbd6"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#aa1230352459f3f47b0e396ef7971bbd6">enableChannelPreemption</a></td></tr>
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<tr class="memdesc:aa1230352459f3f47b0e396ef7971bbd6"><td class="mdescLeft"> </td><td class="mdescRight">If true: channel can be suspended by other channel with higher priority. <br/></td></tr>
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<tr class="separator:aa1230352459f3f47b0e396ef7971bbd6"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ab7329f8b16f7e8bb0283c9305d9902ce"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab7329f8b16f7e8bb0283c9305d9902ce"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ab7329f8b16f7e8bb0283c9305d9902ce">enablePreemptAbility</a></td></tr>
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<tr class="memdesc:ab7329f8b16f7e8bb0283c9305d9902ce"><td class="mdescLeft"> </td><td class="mdescRight">If true: channel can suspend other channel with low priority. <br/></td></tr>
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<tr class="memitem:a38fbcb827c573361d0043d95faca2d8f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a38fbcb827c573361d0043d95faca2d8f"></a>
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uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#a38fbcb827c573361d0043d95faca2d8f">channelPriority</a></td></tr>
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<tr class="memdesc:a38fbcb827c573361d0043d95faca2d8f"><td class="mdescLeft"> </td><td class="mdescRight">Channel priority. <br/></td></tr>
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<a name="structedma__minor__offset__config__t" id="structedma__minor__offset__config__t"></a>
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<td class="memname">struct edma_minor_offset_config_t</td>
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<tr><td colspan="2"><h3>Data Fields</h3></td></tr>
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<tr class="memitem:aa2b34fbdc053b7f2f3ea476048e9f80f"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#aa2b34fbdc053b7f2f3ea476048e9f80f">enableSrcMinorOffset</a></td></tr>
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<tr class="memdesc:aa2b34fbdc053b7f2f3ea476048e9f80f"><td class="mdescLeft"> </td><td class="mdescRight">Enable(true) or Disable(false) source minor loop offset. <a href="#aa2b34fbdc053b7f2f3ea476048e9f80f">More...</a><br/></td></tr>
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<tr class="separator:aa2b34fbdc053b7f2f3ea476048e9f80f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a5a2ce555e51bc7694fec6443c191fb5b"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#a5a2ce555e51bc7694fec6443c191fb5b">enableDestMinorOffset</a></td></tr>
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<tr class="memdesc:a5a2ce555e51bc7694fec6443c191fb5b"><td class="mdescLeft"> </td><td class="mdescRight">Enable(true) or Disable(false) destination minor loop offset. <a href="#a5a2ce555e51bc7694fec6443c191fb5b">More...</a><br/></td></tr>
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<tr class="separator:a5a2ce555e51bc7694fec6443c191fb5b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aff7bae6e4e019c2b49508bbfec6cd1ea"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#aff7bae6e4e019c2b49508bbfec6cd1ea">minorOffset</a></td></tr>
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<tr class="memdesc:aff7bae6e4e019c2b49508bbfec6cd1ea"><td class="mdescLeft"> </td><td class="mdescRight">Offset for minor loop mapping. <a href="#aff7bae6e4e019c2b49508bbfec6cd1ea">More...</a><br/></td></tr>
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<h4 class="groupheader">Field Documentation</h4>
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<td class="memname">bool edma_minor_offset_config_t::enableSrcMinorOffset</td>
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<td class="memname">bool edma_minor_offset_config_t::enableDestMinorOffset</td>
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<td class="memname">uint32_t edma_minor_offset_config_t::minorOffset</td>
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<a name="structedma__tcd__t" id="structedma__tcd__t"></a>
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<td class="memname">struct edma_tcd_t</td>
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<div class="textblock"><p>This structure is same as TCD register which is described in reference manual, and is used to configure the scatter/gather feature as a next hardware TCD. </p>
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</div><table class="memberdecls">
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<tr><td colspan="2"><h3>Data Fields</h3></td></tr>
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<tr class="memitem:a0390d1bdd79814503542ca534da58e90"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0390d1bdd79814503542ca534da58e90"></a>
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__IO uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#a0390d1bdd79814503542ca534da58e90">SADDR</a></td></tr>
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<tr class="memdesc:a0390d1bdd79814503542ca534da58e90"><td class="mdescLeft"> </td><td class="mdescRight">SADDR register, used to save source address. <br/></td></tr>
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<tr class="memitem:a28284a4d47a0b15aa5eabc67888f9a2a"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a28284a4d47a0b15aa5eabc67888f9a2a"></a>
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__IO uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#a28284a4d47a0b15aa5eabc67888f9a2a">SOFF</a></td></tr>
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<tr class="memdesc:a28284a4d47a0b15aa5eabc67888f9a2a"><td class="mdescLeft"> </td><td class="mdescRight">SOFF register, save offset bytes every transfer. <br/></td></tr>
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<tr class="memitem:a4ac302b14c968761b4bd8bc4e620d9f6"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4ac302b14c968761b4bd8bc4e620d9f6"></a>
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__IO uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#a4ac302b14c968761b4bd8bc4e620d9f6">ATTR</a></td></tr>
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<tr class="memdesc:a4ac302b14c968761b4bd8bc4e620d9f6"><td class="mdescLeft"> </td><td class="mdescRight">ATTR register, source/destination transfer size and modulo. <br/></td></tr>
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<tr class="memitem:ada2a3af3cbf20ed38a3669c963d49f7d"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ada2a3af3cbf20ed38a3669c963d49f7d"></a>
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__IO uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ada2a3af3cbf20ed38a3669c963d49f7d">NBYTES</a></td></tr>
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<tr class="memdesc:ada2a3af3cbf20ed38a3669c963d49f7d"><td class="mdescLeft"> </td><td class="mdescRight">Nbytes register, minor loop length in bytes. <br/></td></tr>
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__IO uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#a95d71d585f55cc4c5565df98c1941be0">SLAST</a></td></tr>
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<tr class="memdesc:a95d71d585f55cc4c5565df98c1941be0"><td class="mdescLeft"> </td><td class="mdescRight">SLAST register. <br/></td></tr>
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<tr class="memitem:af499a2c9e1a20435bebad40224fa577f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af499a2c9e1a20435bebad40224fa577f"></a>
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__IO uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#af499a2c9e1a20435bebad40224fa577f">DADDR</a></td></tr>
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<tr class="memdesc:af499a2c9e1a20435bebad40224fa577f"><td class="mdescLeft"> </td><td class="mdescRight">DADDR register, used for destination address. <br/></td></tr>
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<tr class="memitem:a7f90a8871ce94801ae7bc3ed9c94ef29"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7f90a8871ce94801ae7bc3ed9c94ef29"></a>
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__IO uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#a7f90a8871ce94801ae7bc3ed9c94ef29">DOFF</a></td></tr>
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<tr class="memdesc:a7f90a8871ce94801ae7bc3ed9c94ef29"><td class="mdescLeft"> </td><td class="mdescRight">DOFF register, used for destination offset. <br/></td></tr>
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<tr class="memitem:a96f0c927b263c679c4463c74830968c1"><td class="memItemLeft" align="right" valign="top">__IO uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#a96f0c927b263c679c4463c74830968c1">CITER</a></td></tr>
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<tr class="memdesc:a96f0c927b263c679c4463c74830968c1"><td class="mdescLeft"> </td><td class="mdescRight">CITER register, current minor loop numbers, for unfinished minor loop. <a href="#a96f0c927b263c679c4463c74830968c1">More...</a><br/></td></tr>
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<tr class="separator:a96f0c927b263c679c4463c74830968c1"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a892f3dec0f15e33b64f9a966416e9ca6"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a892f3dec0f15e33b64f9a966416e9ca6"></a>
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__IO uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#a892f3dec0f15e33b64f9a966416e9ca6">DLAST_SGA</a></td></tr>
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<tr class="memdesc:a892f3dec0f15e33b64f9a966416e9ca6"><td class="mdescLeft"> </td><td class="mdescRight">DLASTSGA register, next stcd address used in scatter-gather mode. <br/></td></tr>
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<tr class="memitem:aa49f8458af67a904d9f5dae1dc829a10"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa49f8458af67a904d9f5dae1dc829a10"></a>
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__IO uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#aa49f8458af67a904d9f5dae1dc829a10">CSR</a></td></tr>
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<tr class="memdesc:aa49f8458af67a904d9f5dae1dc829a10"><td class="mdescLeft"> </td><td class="mdescRight">CSR register, for TCD control status. <br/></td></tr>
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<tr class="separator:aa49f8458af67a904d9f5dae1dc829a10"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4c5331d08a6b43c9ebc15d41c5734140"><td class="memItemLeft" align="right" valign="top">__IO uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#a4c5331d08a6b43c9ebc15d41c5734140">BITER</a></td></tr>
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<tr class="memdesc:a4c5331d08a6b43c9ebc15d41c5734140"><td class="mdescLeft"> </td><td class="mdescRight">BITER register, begin minor loop count. <a href="#a4c5331d08a6b43c9ebc15d41c5734140">More...</a><br/></td></tr>
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<tr class="separator:a4c5331d08a6b43c9ebc15d41c5734140"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<h4 class="groupheader">Field Documentation</h4>
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<a class="anchor" id="a96f0c927b263c679c4463c74830968c1"></a>
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<td class="memname">__IO uint16_t edma_tcd_t::CITER</td>
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<td class="memname">__IO uint16_t edma_tcd_t::BITER</td>
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<a name="structedma__handle__t" id="structedma__handle__t"></a>
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<td class="memname">struct edma_handle_t</td>
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<div class="textblock"></div><table class="memberdecls">
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<tr><td colspan="2"><h3>Data Fields</h3></td></tr>
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<tr class="memitem:a2103986f2733a5b6ce42b5983eabcb11"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__edma.html#ga9ee3a34d12fbb39bc972f62ba6357022">edma_callback</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#a2103986f2733a5b6ce42b5983eabcb11">callback</a></td></tr>
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<tr class="memdesc:a2103986f2733a5b6ce42b5983eabcb11"><td class="mdescLeft"> </td><td class="mdescRight">Callback function for major count exhausted. <a href="#a2103986f2733a5b6ce42b5983eabcb11">More...</a><br/></td></tr>
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<tr class="separator:a2103986f2733a5b6ce42b5983eabcb11"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a6af5d18677d40167da0d0219cb3bed01"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#a6af5d18677d40167da0d0219cb3bed01">userData</a></td></tr>
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<tr class="memdesc:a6af5d18677d40167da0d0219cb3bed01"><td class="mdescLeft"> </td><td class="mdescRight">Callback function parameter. <a href="#a6af5d18677d40167da0d0219cb3bed01">More...</a><br/></td></tr>
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<tr class="separator:a6af5d18677d40167da0d0219cb3bed01"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aac2e55c398c06eb64a7cd00b0d5dc6e3"><td class="memItemLeft" align="right" valign="top">DMA_Type * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#aac2e55c398c06eb64a7cd00b0d5dc6e3">base</a></td></tr>
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<tr class="memdesc:aac2e55c398c06eb64a7cd00b0d5dc6e3"><td class="mdescLeft"> </td><td class="mdescRight">eDMA peripheral base address. <a href="#aac2e55c398c06eb64a7cd00b0d5dc6e3">More...</a><br/></td></tr>
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<tr class="separator:aac2e55c398c06eb64a7cd00b0d5dc6e3"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a04740b740ff76e5d1301a069509a7588"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#a04740b740ff76e5d1301a069509a7588">tcdPool</a></td></tr>
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<tr class="memdesc:a04740b740ff76e5d1301a069509a7588"><td class="mdescLeft"> </td><td class="mdescRight">Pointer to memory stored TCDs. <a href="#a04740b740ff76e5d1301a069509a7588">More...</a><br/></td></tr>
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<tr class="separator:a04740b740ff76e5d1301a069509a7588"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ada5950638afd0310331d32760695089f"><td class="memItemLeft" align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ada5950638afd0310331d32760695089f">channel</a></td></tr>
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<tr class="memdesc:ada5950638afd0310331d32760695089f"><td class="mdescLeft"> </td><td class="mdescRight">eDMA channel number. <a href="#ada5950638afd0310331d32760695089f">More...</a><br/></td></tr>
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<tr class="separator:ada5950638afd0310331d32760695089f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a5af4b292d3fbfa8026530ffdf9949633"><td class="memItemLeft" align="right" valign="top">volatile int8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#a5af4b292d3fbfa8026530ffdf9949633">header</a></td></tr>
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<tr class="memdesc:a5af4b292d3fbfa8026530ffdf9949633"><td class="mdescLeft"> </td><td class="mdescRight">The first TCD index. <a href="#a5af4b292d3fbfa8026530ffdf9949633">More...</a><br/></td></tr>
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<tr class="separator:a5af4b292d3fbfa8026530ffdf9949633"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a86059d052b3d4fff045e21120b9d28a7"><td class="memItemLeft" align="right" valign="top">volatile int8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#a86059d052b3d4fff045e21120b9d28a7">tail</a></td></tr>
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<tr class="memdesc:a86059d052b3d4fff045e21120b9d28a7"><td class="mdescLeft"> </td><td class="mdescRight">The last TCD index. <a href="#a86059d052b3d4fff045e21120b9d28a7">More...</a><br/></td></tr>
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<tr class="separator:a86059d052b3d4fff045e21120b9d28a7"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad13ee25dd17eed61d772b88fda12badc"><td class="memItemLeft" align="right" valign="top">volatile int8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#ad13ee25dd17eed61d772b88fda12badc">tcdUsed</a></td></tr>
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<tr class="memdesc:ad13ee25dd17eed61d772b88fda12badc"><td class="mdescLeft"> </td><td class="mdescRight">The number of used TCD slots. <a href="#ad13ee25dd17eed61d772b88fda12badc">More...</a><br/></td></tr>
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<tr class="separator:ad13ee25dd17eed61d772b88fda12badc"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a1e1640f38c69ed7cf38ef12615e341f0"><td class="memItemLeft" align="right" valign="top">volatile int8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#a1e1640f38c69ed7cf38ef12615e341f0">tcdSize</a></td></tr>
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<tr class="memdesc:a1e1640f38c69ed7cf38ef12615e341f0"><td class="mdescLeft"> </td><td class="mdescRight">The total number of TCD slots in the queue. <a href="#a1e1640f38c69ed7cf38ef12615e341f0">More...</a><br/></td></tr>
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<tr class="separator:a1e1640f38c69ed7cf38ef12615e341f0"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a3be13f114e3b653751645b65972fad2f"><td class="memItemLeft" align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__edma.html#a3be13f114e3b653751645b65972fad2f">flags</a></td></tr>
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<tr class="memdesc:a3be13f114e3b653751645b65972fad2f"><td class="mdescLeft"> </td><td class="mdescRight">The status of the current channel. <a href="#a3be13f114e3b653751645b65972fad2f">More...</a><br/></td></tr>
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<h4 class="groupheader">Field Documentation</h4>
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<a class="anchor" id="a2103986f2733a5b6ce42b5983eabcb11"></a>
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<td class="memname"><a class="el" href="group__edma.html#ga9ee3a34d12fbb39bc972f62ba6357022">edma_callback</a> edma_handle_t::callback</td>
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<td class="memname">void* edma_handle_t::userData</td>
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<td class="memname">DMA_Type* edma_handle_t::base</td>
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<td class="memname"><a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a>* edma_handle_t::tcdPool</td>
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<td class="memname">uint8_t edma_handle_t::channel</td>
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<td class="memname">volatile int8_t edma_handle_t::header</td>
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<td class="memname">volatile int8_t edma_handle_t::tail</td>
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<td class="memname">volatile int8_t edma_handle_t::tcdUsed</td>
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<td class="memname">volatile int8_t edma_handle_t::tcdSize</td>
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<td class="memname">uint8_t edma_handle_t::flags</td>
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<h2 class="groupheader">Macro Definition Documentation</h2>
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<td class="memname">#define FSL_EDMA_DRIVER_VERSION   (<a class="el" href="group__flash__driver.html#ga812138aa3315b0c6953c1a26130bcc37">MAKE_VERSION</a>(2, 0, 1))</td>
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<p>Version 2.0.1. </p>
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<h2 class="groupheader">Typedef Documentation</h2>
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<td class="memname">typedef void(* edma_callback)(struct _edma_handle *handle, void *userData, bool transferDone, uint32_t tcds)</td>
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<h2 class="groupheader">Enumeration Type Documentation</h2>
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<a class="anchor" id="gafeb85400b3b87188983f5d62e9e26cb6"></a>
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<td class="memname">enum <a class="el" href="group__edma.html#gafeb85400b3b87188983f5d62e9e26cb6">edma_transfer_size_t</a></td>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="ggafeb85400b3b87188983f5d62e9e26cb6acb4e50cd0e23c0d36edf958be77c8dc2"></a>kEDMA_TransferSize1Bytes</em> </td><td class="fielddoc">
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<p>Source/Destination data transfer size is 1 byte every time. </p>
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<tr><td class="fieldname"><em><a class="anchor" id="ggafeb85400b3b87188983f5d62e9e26cb6a589480546c8db2d1372e62a7946fbb2c"></a>kEDMA_TransferSize2Bytes</em> </td><td class="fielddoc">
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<p>Source/Destination data transfer size is 2 bytes every time. </p>
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<tr><td class="fieldname"><em><a class="anchor" id="ggafeb85400b3b87188983f5d62e9e26cb6a4d91559541642b997418406ec927c454"></a>kEDMA_TransferSize4Bytes</em> </td><td class="fielddoc">
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<p>Source/Destination data transfer size is 4 bytes every time. </p>
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<tr><td class="fieldname"><em><a class="anchor" id="ggafeb85400b3b87188983f5d62e9e26cb6a0d4cdfd536f2985eea3e8111eecd3c43"></a>kEDMA_TransferSize16Bytes</em> </td><td class="fielddoc">
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<p>Source/Destination data transfer size is 16 bytes every time. </p>
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<tr><td class="fieldname"><em><a class="anchor" id="ggafeb85400b3b87188983f5d62e9e26cb6ad7e2421e513fc84a29cd20ab47409229"></a>kEDMA_TransferSize32Bytes</em> </td><td class="fielddoc">
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<p>Source/Destination data transfer size is 32 bytes every time. </p>
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<td class="memname">enum <a class="el" href="group__edma.html#ga13ac7c9e76c11d3dce06f8976d9e4dd7">edma_modulo_t</a></td>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7ab77c38c19ddcc44212b258bdafe2f207"></a>kEDMA_ModuloDisable</em> </td><td class="fielddoc">
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<p>Disable modulo. </p>
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<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7af7cbe0618a06406e5473ec1aa11195a0"></a>kEDMA_Modulo2bytes</em> </td><td class="fielddoc">
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<p>Circular buffer size is 2 bytes. </p>
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<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7a2eaf98fea83570be353ff21fde4b8d53"></a>kEDMA_Modulo4bytes</em> </td><td class="fielddoc">
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<p>Circular buffer size is 4 bytes. </p>
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<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7a99fad23e0502470cddec1391edc483e2"></a>kEDMA_Modulo8bytes</em> </td><td class="fielddoc">
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<p>Circular buffer size is 8 bytes. </p>
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<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7abd6ec81a3b0822ea6c3a7c77215e85a8"></a>kEDMA_Modulo16bytes</em> </td><td class="fielddoc">
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<p>Circular buffer size is 16 bytes. </p>
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<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7acd0d2322a93a86bb7bb1160217184569"></a>kEDMA_Modulo32bytes</em> </td><td class="fielddoc">
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<p>Circular buffer size is 32 bytes. </p>
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<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7af60e65e2fdc306df458cabaa77c0a62c"></a>kEDMA_Modulo64bytes</em> </td><td class="fielddoc">
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<p>Circular buffer size is 64 bytes. </p>
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<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7ac5b734f88d8fbe08c19f4b881e643ebd"></a>kEDMA_Modulo128bytes</em> </td><td class="fielddoc">
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<p>Circular buffer size is 128 bytes. </p>
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<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7ab6354112d539cb71083057f72a43f282"></a>kEDMA_Modulo256bytes</em> </td><td class="fielddoc">
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<p>Circular buffer size is 256 bytes. </p>
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<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7a56d31f1fa472122b9edf4d8c8d437359"></a>kEDMA_Modulo512bytes</em> </td><td class="fielddoc">
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<p>Circular buffer size is 512 bytes. </p>
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<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7a7b85b92e30afea2d7d2eb11e40751496"></a>kEDMA_Modulo1Kbytes</em> </td><td class="fielddoc">
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<p>Circular buffer size is 1K bytes. </p>
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<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7acd26e0c0dc1a6518dca27c0a418df484"></a>kEDMA_Modulo2Kbytes</em> </td><td class="fielddoc">
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<p>Circular buffer size is 2K bytes. </p>
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<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7ae9f8fd54c7f183214653a750775b1e1c"></a>kEDMA_Modulo4Kbytes</em> </td><td class="fielddoc">
|
|
<p>Circular buffer size is 4K bytes. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7a568ad80f68673d4f57362dc48701aec6"></a>kEDMA_Modulo8Kbytes</em> </td><td class="fielddoc">
|
|
<p>Circular buffer size is 8K bytes. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7a6e8595a1168272eab8923212c1cabaee"></a>kEDMA_Modulo16Kbytes</em> </td><td class="fielddoc">
|
|
<p>Circular buffer size is 16K bytes. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7af12cea48af625688f7d3a6e9e2d19d56"></a>kEDMA_Modulo32Kbytes</em> </td><td class="fielddoc">
|
|
<p>Circular buffer size is 32K bytes. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7aab39052aeb4a70843c6ddd61b94f95a0"></a>kEDMA_Modulo64Kbytes</em> </td><td class="fielddoc">
|
|
<p>Circular buffer size is 64K bytes. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7afb80c06c8d24882fdeb592a37673e499"></a>kEDMA_Modulo128Kbytes</em> </td><td class="fielddoc">
|
|
<p>Circular buffer size is 128K bytes. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7ae1c82fe430bd6a43cd8bfca46671cca1"></a>kEDMA_Modulo256Kbytes</em> </td><td class="fielddoc">
|
|
<p>Circular buffer size is 256K bytes. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7aff7dbf518027bc1d2a84a4dcfe7f0adc"></a>kEDMA_Modulo512Kbytes</em> </td><td class="fielddoc">
|
|
<p>Circular buffer size is 512K bytes. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7a48ff619715bb526b6d917d6b37686b8a"></a>kEDMA_Modulo1Mbytes</em> </td><td class="fielddoc">
|
|
<p>Circular buffer size is 1M bytes. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7a5c2909e6956a01efc28bb70a73ddb9f5"></a>kEDMA_Modulo2Mbytes</em> </td><td class="fielddoc">
|
|
<p>Circular buffer size is 2M bytes. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7a4b07b0456e0aadbde3a32790e423f4d7"></a>kEDMA_Modulo4Mbytes</em> </td><td class="fielddoc">
|
|
<p>Circular buffer size is 4M bytes. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7ad4f068091510d3fc90b8a21bd2492a38"></a>kEDMA_Modulo8Mbytes</em> </td><td class="fielddoc">
|
|
<p>Circular buffer size is 8M bytes. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7a3ff219951928d6e40f658f612f9106c0"></a>kEDMA_Modulo16Mbytes</em> </td><td class="fielddoc">
|
|
<p>Circular buffer size is 16M bytes. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7ade7587c87a42242eb0e47a1dbac5f686"></a>kEDMA_Modulo32Mbytes</em> </td><td class="fielddoc">
|
|
<p>Circular buffer size is 32M bytes. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7aedc3a67726be1cdac9385a37556c7056"></a>kEDMA_Modulo64Mbytes</em> </td><td class="fielddoc">
|
|
<p>Circular buffer size is 64M bytes. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7a0f2c2ca6e26fcf1edefe6bd091504041"></a>kEDMA_Modulo128Mbytes</em> </td><td class="fielddoc">
|
|
<p>Circular buffer size is 128M bytes. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7a50818bce765be0d7ccfac7490242c119"></a>kEDMA_Modulo256Mbytes</em> </td><td class="fielddoc">
|
|
<p>Circular buffer size is 256M bytes. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7a2289cd131c9052e9ab097abbff3499e7"></a>kEDMA_Modulo512Mbytes</em> </td><td class="fielddoc">
|
|
<p>Circular buffer size is 512M bytes. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7a22c8078316841b5cc5886d506f95a8e3"></a>kEDMA_Modulo1Gbytes</em> </td><td class="fielddoc">
|
|
<p>Circular buffer size is 1G bytes. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga13ac7c9e76c11d3dce06f8976d9e4dd7ab4a779add96a309505f06a540d75340f"></a>kEDMA_Modulo2Gbytes</em> </td><td class="fielddoc">
|
|
<p>Circular buffer size is 2G bytes. </p>
|
|
</td></tr>
|
|
</table>
|
|
|
|
</div>
|
|
</div>
|
|
<a class="anchor" id="ga77dde4bf7218f5dff3f5eeeccd565d0f"></a>
|
|
<div class="memitem">
|
|
<div class="memproto">
|
|
<table class="memname">
|
|
<tr>
|
|
<td class="memname">enum <a class="el" href="group__edma.html#ga77dde4bf7218f5dff3f5eeeccd565d0f">edma_bandwidth_t</a></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
<table class="fieldtable">
|
|
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="gga77dde4bf7218f5dff3f5eeeccd565d0faeb09bbf3022f40b276ab9b94035ef308"></a>kEDMA_BandwidthStallNone</em> </td><td class="fielddoc">
|
|
<p>No eDMA engine stalls. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga77dde4bf7218f5dff3f5eeeccd565d0fa443b7698b1950201d47d97de1b643f3c"></a>kEDMA_BandwidthStall4Cycle</em> </td><td class="fielddoc">
|
|
<p>eDMA engine stalls for 4 cycles after each read/write. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga77dde4bf7218f5dff3f5eeeccd565d0fac21c278bddfbadae35d53cc565bca9d9"></a>kEDMA_BandwidthStall8Cycle</em> </td><td class="fielddoc">
|
|
<p>eDMA engine stalls for 8 cycles after each read/write. </p>
|
|
</td></tr>
|
|
</table>
|
|
|
|
</div>
|
|
</div>
|
|
<a class="anchor" id="ga9b736ab8d1dd10d8a277712904b29c91"></a>
|
|
<div class="memitem">
|
|
<div class="memproto">
|
|
<table class="memname">
|
|
<tr>
|
|
<td class="memname">enum <a class="el" href="group__edma.html#ga9b736ab8d1dd10d8a277712904b29c91">edma_channel_link_type_t</a></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
<table class="fieldtable">
|
|
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="gga9b736ab8d1dd10d8a277712904b29c91aba8b1349b47c8e99c950c179b5548caa"></a>kEDMA_LinkNone</em> </td><td class="fielddoc">
|
|
<p>No channel link. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga9b736ab8d1dd10d8a277712904b29c91a804db702dd385d11a01dd512f3e1606c"></a>kEDMA_MinorLink</em> </td><td class="fielddoc">
|
|
<p>Channel link after each minor loop. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga9b736ab8d1dd10d8a277712904b29c91ab9798ac8a18b9632a7d3fabf0bd76881"></a>kEDMA_MajorLink</em> </td><td class="fielddoc">
|
|
<p>Channel link while major loop count exhausted. </p>
|
|
</td></tr>
|
|
</table>
|
|
|
|
</div>
|
|
</div>
|
|
<a class="anchor" id="ga53dca833c884e3d5841aeaf2157f55cb"></a>
|
|
<div class="memitem">
|
|
<div class="memproto">
|
|
<table class="memname">
|
|
<tr>
|
|
<td class="memname">enum <a class="el" href="group__edma.html#ga53dca833c884e3d5841aeaf2157f55cb">_edma_channel_status_flags</a></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
<table class="fieldtable">
|
|
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="gga53dca833c884e3d5841aeaf2157f55cba3fc49e0e9df4c15438fac350d2d7da56"></a>kEDMA_DoneFlag</em> </td><td class="fielddoc">
|
|
<p>DONE flag, set while transfer finished, CITER value exhausted. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga53dca833c884e3d5841aeaf2157f55cba2c5dd54b1cb8bd4917b99a914c7bdc84"></a>kEDMA_ErrorFlag</em> </td><td class="fielddoc">
|
|
<p>eDMA error flag, an error occurred in a transfer </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga53dca833c884e3d5841aeaf2157f55cbafca58961c7da506e2f1c05451d16f4d9"></a>kEDMA_InterruptFlag</em> </td><td class="fielddoc">
|
|
<p>eDMA interrupt flag, set while an interrupt occurred of this channel </p>
|
|
</td></tr>
|
|
</table>
|
|
|
|
</div>
|
|
</div>
|
|
<a class="anchor" id="gafad1024b02944dae6bba164e3c9bd564"></a>
|
|
<div class="memitem">
|
|
<div class="memproto">
|
|
<table class="memname">
|
|
<tr>
|
|
<td class="memname">enum <a class="el" href="group__edma.html#gafad1024b02944dae6bba164e3c9bd564">_edma_error_status_flags</a></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
<table class="fieldtable">
|
|
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="ggafad1024b02944dae6bba164e3c9bd564a54ca64713f21fd2337d165b273d6f680"></a>kEDMA_DestinationBusErrorFlag</em> </td><td class="fielddoc">
|
|
<p>Bus error on destination address. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggafad1024b02944dae6bba164e3c9bd564a5eb8315759ff492642e8fde45cd3d244"></a>kEDMA_SourceBusErrorFlag</em> </td><td class="fielddoc">
|
|
<p>Bus error on the source address. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggafad1024b02944dae6bba164e3c9bd564a9aeb6aad3c245959ab91944bc0136479"></a>kEDMA_ScatterGatherErrorFlag</em> </td><td class="fielddoc">
|
|
<p>Error on the Scatter/Gather address, not 32byte aligned. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggafad1024b02944dae6bba164e3c9bd564acc8bc58b1704ba1f4f4ee1533f69c98e"></a>kEDMA_NbytesErrorFlag</em> </td><td class="fielddoc">
|
|
<p>NBYTES/CITER configuration error. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggafad1024b02944dae6bba164e3c9bd564aa53400970fa05f5d2790f20338aa6d06"></a>kEDMA_DestinationOffsetErrorFlag</em> </td><td class="fielddoc">
|
|
<p>Destination offset not aligned with destination size. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggafad1024b02944dae6bba164e3c9bd564ae516e9e9db0a946f1565e1c2e3175574"></a>kEDMA_DestinationAddressErrorFlag</em> </td><td class="fielddoc">
|
|
<p>Destination address not aligned with destination size. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggafad1024b02944dae6bba164e3c9bd564ad611243e3bd0baed42ed2343e5e575ac"></a>kEDMA_SourceOffsetErrorFlag</em> </td><td class="fielddoc">
|
|
<p>Source offset not aligned with source size. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggafad1024b02944dae6bba164e3c9bd564a4c0642a49305653638e275415320f0f0"></a>kEDMA_SourceAddressErrorFlag</em> </td><td class="fielddoc">
|
|
<p>Source address not aligned with source size. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggafad1024b02944dae6bba164e3c9bd564a2cc6d4262814dc42f05843199e9540c1"></a>kEDMA_ErrorChannelFlag</em> </td><td class="fielddoc">
|
|
<p>Error channel number of the cancelled channel number. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggafad1024b02944dae6bba164e3c9bd564a6f919249e70bf24808d10ff0aaeedbae"></a>kEDMA_ChannelPriorityErrorFlag</em> </td><td class="fielddoc">
|
|
<p>Channel priority is not unique. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggafad1024b02944dae6bba164e3c9bd564a1c6f9d050df7f2f0aa945b5f1c46e230"></a>kEDMA_TransferCanceledFlag</em> </td><td class="fielddoc">
|
|
<p>Transfer cancelled. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggafad1024b02944dae6bba164e3c9bd564ab930c63068a6d7ee6ccb21df993bd48f"></a>kEDMA_ValidFlag</em> </td><td class="fielddoc">
|
|
<p>No error occurred, this bit is 0. </p>
|
|
<p>Otherwise, it is 1. </p>
|
|
</td></tr>
|
|
</table>
|
|
|
|
</div>
|
|
</div>
|
|
<a class="anchor" id="ga345805161c8c8ca55c0866085e3d3f76"></a>
|
|
<div class="memitem">
|
|
<div class="memproto">
|
|
<table class="memname">
|
|
<tr>
|
|
<td class="memname">enum <a class="el" href="group__edma.html#ga345805161c8c8ca55c0866085e3d3f76">edma_interrupt_enable_t</a></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
<table class="fieldtable">
|
|
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="gga345805161c8c8ca55c0866085e3d3f76ab2be76dc7af93bec6801d76376f924c0"></a>kEDMA_ErrorInterruptEnable</em> </td><td class="fielddoc">
|
|
<p>Enable interrupt while channel error occurs. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga345805161c8c8ca55c0866085e3d3f76a19c5998906a159df3204e818033a3c0e"></a>kEDMA_MajorInterruptEnable</em> </td><td class="fielddoc">
|
|
<p>Enable interrupt while major count exhausted. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga345805161c8c8ca55c0866085e3d3f76a2f1573636dcd4a54d9189bdee4cf39d0"></a>kEDMA_HalfInterruptEnable</em> </td><td class="fielddoc">
|
|
<p>Enable interrupt while major count to half value. </p>
|
|
</td></tr>
|
|
</table>
|
|
|
|
</div>
|
|
</div>
|
|
<a class="anchor" id="ga7803399034b374663f76a589da7d8419"></a>
|
|
<div class="memitem">
|
|
<div class="memproto">
|
|
<table class="memname">
|
|
<tr>
|
|
<td class="memname">enum <a class="el" href="group__edma.html#ga7803399034b374663f76a589da7d8419">edma_transfer_type_t</a></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
<table class="fieldtable">
|
|
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="gga7803399034b374663f76a589da7d8419aba1ccd03368799d9752bd6001f5373a5"></a>kEDMA_MemoryToMemory</em> </td><td class="fielddoc">
|
|
<p>Transfer from memory to memory. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga7803399034b374663f76a589da7d8419a1041287c7dc311d81017f529a51734e6"></a>kEDMA_PeripheralToMemory</em> </td><td class="fielddoc">
|
|
<p>Transfer from peripheral to memory. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga7803399034b374663f76a589da7d8419a172d3e1f201639f3157563f4a1a275bf"></a>kEDMA_MemoryToPeripheral</em> </td><td class="fielddoc">
|
|
<p>Transfer from memory to peripheral. </p>
|
|
</td></tr>
|
|
</table>
|
|
|
|
</div>
|
|
</div>
|
|
<a class="anchor" id="ga0dfe704c01e3565723b4a252c4aede11"></a>
|
|
<div class="memitem">
|
|
<div class="memproto">
|
|
<table class="memname">
|
|
<tr>
|
|
<td class="memname">enum <a class="el" href="group__edma.html#ga0dfe704c01e3565723b4a252c4aede11">_edma_transfer_status</a></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
<table class="fieldtable">
|
|
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="gga0dfe704c01e3565723b4a252c4aede11a6d33d9a7019b18917669f16d51085b32"></a>kStatus_EDMA_QueueFull</em> </td><td class="fielddoc">
|
|
<p>TCD queue is full. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga0dfe704c01e3565723b4a252c4aede11a96aa3062c73a9f439f63c0ed24f09c07"></a>kStatus_EDMA_Busy</em> </td><td class="fielddoc">
|
|
<p>Channel is busy and can't handle the transfer request. </p>
|
|
</td></tr>
|
|
</table>
|
|
|
|
</div>
|
|
</div>
|
|
<h2 class="groupheader">Function Documentation</h2>
|
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<a class="anchor" id="gaf7588eb4b54499f0f55c698bd98bc1bb"></a>
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<td class="memname">void EDMA_Init </td>
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<td>(</td>
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<td class="paramtype">DMA_Type * </td>
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<td class="paramname"><em>base</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const <a class="el" href="group__edma.html#structedma__config__t">edma_config_t</a> * </td>
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<td class="paramname"><em>config</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>This function ungates the eDMA clock and configures the eDMA peripheral according to the configuration structure.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">base</td><td>eDMA peripheral base address. </td></tr>
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<tr><td class="paramname">config</td><td>Pointer to configuration structure, see "edma_config_t". </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section note"><dt>Note</dt><dd>This function enable the minor loop map feature. </dd></dl>
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</div>
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<a class="anchor" id="ga29aa2b1f72c154c12305d6615845618c"></a>
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<td class="memname">void EDMA_Deinit </td>
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<td>(</td>
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<td class="paramtype">DMA_Type * </td>
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<td class="paramname"><em>base</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>This function gates the eDMA clock.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">base</td><td>eDMA peripheral base address. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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<a class="anchor" id="ga9851dc5addd6a1fc557bfdb625aa5c19"></a>
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<td class="memname">void EDMA_GetDefaultConfig </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="group__edma.html#structedma__config__t">edma_config_t</a> * </td>
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<td class="paramname"><em>config</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>This function sets the configuration structure to a default value. The default configuration is set to the following value: </p>
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<div class="fragment"><div class="line">* config.enableContinuousLinkMode = <span class="keyword">false</span>;</div>
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<div class="line">* config.enableHaltOnError = <span class="keyword">true</span>;</div>
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<div class="line">* config.enableRoundRobinArbitration = <span class="keyword">false</span>;</div>
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<div class="line">* config.enableDebugMode = <span class="keyword">false</span>;</div>
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<div class="line">* </div>
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</div><!-- fragment --><dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">config</td><td>Pointer to eDMA configuration structure. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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<a class="anchor" id="gaecea06e22455415332bbc342c309cb6b"></a>
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<td class="memname">void EDMA_ResetChannel </td>
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<td>(</td>
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<td class="paramtype">DMA_Type * </td>
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<td class="paramname"><em>base</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>channel</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>This function sets TCD registers for this channel to default value.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">base</td><td>eDMA peripheral base address. </td></tr>
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<tr><td class="paramname">channel</td><td>eDMA channel number. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section note"><dt>Note</dt><dd>This function must not be called while the channel transfer is on-going, or it causes unpredictable results. </dd>
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<dd>
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This function enables the auto stop request feature. </dd></dl>
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</div>
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</div>
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<a class="anchor" id="gaad0c5872dda63e558ee6c62f9bc5eaa8"></a>
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<td class="memname">void EDMA_SetTransferConfig </td>
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<td>(</td>
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<td class="paramtype">DMA_Type * </td>
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<td class="paramname"><em>base</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>channel</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const <a class="el" href="group__edma.html#structedma__transfer__config__t">edma_transfer_config_t</a> * </td>
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<td class="paramname"><em>config</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> * </td>
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<td class="paramname"><em>nextTcd</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>This function configures the transfer attribute, including source address, destination address, transfer size, address offset, and so on. It also configures the scatter gather feature if the user supplies the TCD address. Example: </p>
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<div class="fragment"><div class="line">* edma_transfer_t config;</div>
|
|
<div class="line">* <a class="code" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> tcd;</div>
|
|
<div class="line">* config.srcAddr = ..;</div>
|
|
<div class="line">* config.destAddr = ..;</div>
|
|
<div class="line">* ...</div>
|
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<div class="line">* <a class="code" href="group__edma.html#gaad0c5872dda63e558ee6c62f9bc5eaa8">EDMA_SetTransferConfig</a>(DMA0, channel, &config, &stcd);</div>
|
|
<div class="line">* </div>
|
|
</div><!-- fragment --><dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">base</td><td>eDMA peripheral base address. </td></tr>
|
|
<tr><td class="paramname">channel</td><td>eDMA channel number. </td></tr>
|
|
<tr><td class="paramname">config</td><td>Pointer to eDMA transfer configuration structure. </td></tr>
|
|
<tr><td class="paramname">nextTcd</td><td>Point to TCD structure. It can be NULL if users do not want to enable scatter/gather feature. </td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
<dl class="section note"><dt>Note</dt><dd>If nextTcd is not NULL, it means scatter gather feature is enabled and DREQ bit is cleared in the previous transfer configuration, which is set in eDMA_ResetChannel. </dd></dl>
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</div>
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</div>
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<a class="anchor" id="gae77bdff6263bed3a02291efb8f1146f0"></a>
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<td class="memname">void EDMA_SetMinorOffsetConfig </td>
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<td>(</td>
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<td class="paramtype">DMA_Type * </td>
|
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<td class="paramname"><em>base</em>, </td>
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</tr>
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<tr>
|
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
|
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<td class="paramname"><em>channel</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const <a class="el" href="group__edma.html#structedma__minor__offset__config__t">edma_minor_offset_config_t</a> * </td>
|
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<td class="paramname"><em>config</em> </td>
|
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</table>
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</div><div class="memdoc">
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<p>Minor offset means signed-extended value added to source address or destination address after each minor loop.</p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">base</td><td>eDMA peripheral base address. </td></tr>
|
|
<tr><td class="paramname">channel</td><td>eDMA channel number. </td></tr>
|
|
<tr><td class="paramname">config</td><td>Pointer to Minor offset configuration structure. </td></tr>
|
|
</table>
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</dd>
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</dl>
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</div>
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</div>
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<a class="anchor" id="ga01cfc161ccda5ca8bd86083bec5d0657"></a>
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<div class="memitem">
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<table class="mlabels">
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<td class="mlabels-left">
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<table class="memname">
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<td class="memname">static void EDMA_SetChannelPreemptionConfig </td>
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<td>(</td>
|
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<td class="paramtype">DMA_Type * </td>
|
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<td class="paramname"><em>base</em>, </td>
|
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</tr>
|
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<tr>
|
|
<td class="paramkey"></td>
|
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<td></td>
|
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<td class="paramtype">uint32_t </td>
|
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<td class="paramname"><em>channel</em>, </td>
|
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</tr>
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<tr>
|
|
<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const <a class="el" href="group__edma.html#structedma__channel__Preemption__config__t">edma_channel_Preemption_config_t</a> * </td>
|
|
<td class="paramname"><em>config</em> </td>
|
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
|
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span> </td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>This function configures the channel preemption attribute and the priority of the channel.</p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">base</td><td>eDMA peripheral base address. </td></tr>
|
|
<tr><td class="paramname">channel</td><td>eDMA channel number </td></tr>
|
|
<tr><td class="paramname">config</td><td>Pointer to channel preemption configuration structure. </td></tr>
|
|
</table>
|
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</dd>
|
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</dl>
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</div>
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</div>
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<a class="anchor" id="ga7d0f2eac212bad0a1998b05d34a65619"></a>
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<div class="memitem">
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<td class="memname">void EDMA_SetChannelLink </td>
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<td>(</td>
|
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<td class="paramtype">DMA_Type * </td>
|
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<td class="paramname"><em>base</em>, </td>
|
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</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">uint32_t </td>
|
|
<td class="paramname"><em>channel</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype"><a class="el" href="group__edma.html#ga9b736ab8d1dd10d8a277712904b29c91">edma_channel_link_type_t</a> </td>
|
|
<td class="paramname"><em>type</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">uint32_t </td>
|
|
<td class="paramname"><em>linkedChannel</em> </td>
|
|
</tr>
|
|
<tr>
|
|
<td></td>
|
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<td>)</td>
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<td></td><td></td>
|
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</tr>
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</table>
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</div><div class="memdoc">
|
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<p>This function configures minor link or major link mode. The minor link means that the channel link is triggered every time CITER decreases by 1. The major link means that the channel link is triggered when the CITER is exhausted.</p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">base</td><td>eDMA peripheral base address. </td></tr>
|
|
<tr><td class="paramname">channel</td><td>eDMA channel number. </td></tr>
|
|
<tr><td class="paramname">type</td><td>Channel link type, it can be one of: <ul>
|
|
<li>kEDMA_LinkNone </li>
|
|
<li>kEDMA_MinorLink </li>
|
|
<li>kEDMA_MajorLink </li>
|
|
</ul>
|
|
</td></tr>
|
|
<tr><td class="paramname">linkedChannel</td><td>The linked channel number. </td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
<dl class="section note"><dt>Note</dt><dd>Users should ensure that DONE flag is cleared before calling this interface, or the configuration is invalid. </dd></dl>
|
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</div>
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</div>
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<a class="anchor" id="gaf2997a300751b52e3c2e699e3f2296f2"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">void EDMA_SetBandWidth </td>
|
|
<td>(</td>
|
|
<td class="paramtype">DMA_Type * </td>
|
|
<td class="paramname"><em>base</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">uint32_t </td>
|
|
<td class="paramname"><em>channel</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype"><a class="el" href="group__edma.html#ga77dde4bf7218f5dff3f5eeeccd565d0f">edma_bandwidth_t</a> </td>
|
|
<td class="paramname"><em>bandWidth</em> </td>
|
|
</tr>
|
|
<tr>
|
|
<td></td>
|
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<td>)</td>
|
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<td></td><td></td>
|
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</tr>
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</table>
|
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</div><div class="memdoc">
|
|
<p>In general, because the eDMA processes the minor loop, it continuously generates read/write sequences until the minor count is exhausted. The bandwidth forces the eDMA to stall after the completion of each read/write access to control the bus request bandwidth seen by the crossbar switch.</p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">base</td><td>eDMA peripheral base address. </td></tr>
|
|
<tr><td class="paramname">channel</td><td>eDMA channel number. </td></tr>
|
|
<tr><td class="paramname">bandWidth</td><td>Bandwidth setting, it can be one of: <ul>
|
|
<li>kEDMABandwidthStallNone </li>
|
|
<li>kEDMABandwidthStall4Cycle </li>
|
|
<li>kEDMABandwidthStall8Cycle </li>
|
|
</ul>
|
|
</td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
|
|
</div>
|
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</div>
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<a class="anchor" id="gaa3f4855fe92ed80276487771b9bd2705"></a>
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<div class="memitem">
|
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<div class="memproto">
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<table class="memname">
|
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<tr>
|
|
<td class="memname">void EDMA_SetModulo </td>
|
|
<td>(</td>
|
|
<td class="paramtype">DMA_Type * </td>
|
|
<td class="paramname"><em>base</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">uint32_t </td>
|
|
<td class="paramname"><em>channel</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype"><a class="el" href="group__edma.html#ga13ac7c9e76c11d3dce06f8976d9e4dd7">edma_modulo_t</a> </td>
|
|
<td class="paramname"><em>srcModulo</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype"><a class="el" href="group__edma.html#ga13ac7c9e76c11d3dce06f8976d9e4dd7">edma_modulo_t</a> </td>
|
|
<td class="paramname"><em>destModulo</em> </td>
|
|
</tr>
|
|
<tr>
|
|
<td></td>
|
|
<td>)</td>
|
|
<td></td><td></td>
|
|
</tr>
|
|
</table>
|
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</div><div class="memdoc">
|
|
<p>This function defines a specific address range specified to be the value after (SADDR + SOFF)/(DADDR + DOFF) calculation is performed or the original register value. It provides the ability to implement a circular data queue easily.</p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">base</td><td>eDMA peripheral base address. </td></tr>
|
|
<tr><td class="paramname">channel</td><td>eDMA channel number. </td></tr>
|
|
<tr><td class="paramname">srcModulo</td><td>Source modulo value. </td></tr>
|
|
<tr><td class="paramname">destModulo</td><td>Destination modulo value. </td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
|
|
</div>
|
|
</div>
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<td class="memname">static void EDMA_EnableAutoStopRequest </td>
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<td>(</td>
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<td class="paramtype">DMA_Type * </td>
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<td class="paramname"><em>base</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>channel</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">bool </td>
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<td class="paramname"><em>enable</em> </td>
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<td></td>
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<td>)</td>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span> </td>
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</div><div class="memdoc">
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<p>If enabling the auto stop request, the eDMA hardware automatically disables the hardware channel request.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">base</td><td>eDMA peripheral base address. </td></tr>
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<tr><td class="paramname">channel</td><td>eDMA channel number. </td></tr>
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<tr><td class="paramname">enable</td><td>The command for enable (true) or disable (false). </td></tr>
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</table>
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</dd>
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</dl>
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<td class="memname">void EDMA_EnableChannelInterrupts </td>
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<td>(</td>
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<td class="paramtype">DMA_Type * </td>
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<td class="paramname"><em>base</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>channel</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>mask</em> </td>
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<td></td>
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<td>)</td>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">base</td><td>eDMA peripheral base address. </td></tr>
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<tr><td class="paramname">channel</td><td>eDMA channel number. </td></tr>
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<tr><td class="paramname">mask</td><td>The mask of interrupt source to be set. Users need to use the defined edma_interrupt_enable_t type. </td></tr>
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</table>
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</dd>
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</dl>
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<td class="memname">void EDMA_DisableChannelInterrupts </td>
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<td>(</td>
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<td class="paramtype">DMA_Type * </td>
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<td class="paramname"><em>base</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>channel</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>mask</em> </td>
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<td></td>
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<td>)</td>
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</div><div class="memdoc">
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">base</td><td>eDMA peripheral base address. </td></tr>
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<tr><td class="paramname">channel</td><td>eDMA channel number. </td></tr>
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<tr><td class="paramname">mask</td><td>The mask of interrupt source to be set. Use the defined edma_interrupt_enable_t type. </td></tr>
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</table>
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</dd>
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</dl>
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<td class="memname">void EDMA_TcdReset </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> * </td>
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<td class="paramname"><em>tcd</em></td><td>)</td>
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<td></td>
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<p>This function sets all fields for this TCD structure to default value.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">tcd</td><td>Pointer to the TCD structure. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section note"><dt>Note</dt><dd>This function enables the auto stop request feature. </dd></dl>
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<td class="memname">void EDMA_TcdSetTransferConfig </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> * </td>
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<td class="paramname"><em>tcd</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const <a class="el" href="group__edma.html#structedma__transfer__config__t">edma_transfer_config_t</a> * </td>
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<td class="paramname"><em>config</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> * </td>
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<td class="paramname"><em>nextTcd</em> </td>
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<td></td>
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<td>)</td>
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<p>TCD is a transfer control descriptor. The content of the TCD is the same as hardware TCD registers. STCD is used in scatter-gather mode. This function configures the TCD transfer attribute, including source address, destination address, transfer size, address offset, and so on. It also configures the scatter gather feature if the user supplies the next TCD address. Example: </p>
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<div class="fragment"><div class="line">* edma_transfer_t config = {</div>
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<div class="line">* ...</div>
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<div class="line">* }</div>
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<div class="line">* <a class="code" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> tcd __aligned(32);</div>
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<div class="line">* <a class="code" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> nextTcd __aligned(32);</div>
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<div class="line">* <a class="code" href="group__edma.html#gad7efa07faa29e3acf456fc1cffb3f9d5">EDMA_TcdSetTransferConfig</a>(&tcd, &config, &nextTcd);</div>
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<div class="line">* </div>
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</div><!-- fragment --><dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">tcd</td><td>Pointer to the TCD structure. </td></tr>
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<tr><td class="paramname">config</td><td>Pointer to eDMA transfer configuration structure. </td></tr>
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<tr><td class="paramname">nextTcd</td><td>Pointer to the next TCD structure. It can be NULL if users do not want to enable scatter/gather feature. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section note"><dt>Note</dt><dd>TCD address should be 32 bytes aligned, or it causes an eDMA error. </dd>
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<dd>
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If the nextTcd is not NULL, the scatter gather feature is enabled and DREQ bit is cleared in the previous transfer configuration, which is set in the EDMA_TcdReset. </dd></dl>
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<td class="memname">void EDMA_TcdSetMinorOffsetConfig </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> * </td>
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<td class="paramname"><em>tcd</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const <a class="el" href="group__edma.html#structedma__minor__offset__config__t">edma_minor_offset_config_t</a> * </td>
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<td class="paramname"><em>config</em> </td>
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<p>Minor offset is a signed-extended value added to the source address or destination address after each minor loop.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">tcd</td><td>Point to the TCD structure. </td></tr>
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<tr><td class="paramname">config</td><td>Pointer to Minor offset configuration structure. </td></tr>
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</table>
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</dd>
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</dl>
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<td class="memname">void EDMA_TcdSetChannelLink </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> * </td>
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<td class="paramname"><em>tcd</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="group__edma.html#ga9b736ab8d1dd10d8a277712904b29c91">edma_channel_link_type_t</a> </td>
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<td class="paramname"><em>type</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>linkedChannel</em> </td>
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</tr>
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<td></td>
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<td>)</td>
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</div><div class="memdoc">
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<p>This function configures either a minor link or a major link. The minor link means the channel link is triggered every time CITER decreases by 1. The major link means that the channel link is triggered when the CITER is exhausted.</p>
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<dl class="section note"><dt>Note</dt><dd>Users should ensure that DONE flag is cleared before calling this interface, or the configuration is invalid. </dd></dl>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
|
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<tr><td class="paramname">tcd</td><td>Point to the TCD structure. </td></tr>
|
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<tr><td class="paramname">type</td><td>Channel link type, it can be one of: <ul>
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<li>kEDMA_LinkNone </li>
|
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<li>kEDMA_MinorLink </li>
|
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<li>kEDMA_MajorLink </li>
|
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</ul>
|
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</td></tr>
|
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<tr><td class="paramname">linkedChannel</td><td>The linked channel number. </td></tr>
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</table>
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</dd>
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</dl>
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<td class="memname">static void EDMA_TcdSetBandWidth </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> * </td>
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<td class="paramname"><em>tcd</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="group__edma.html#ga77dde4bf7218f5dff3f5eeeccd565d0f">edma_bandwidth_t</a> </td>
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<td class="paramname"><em>bandWidth</em> </td>
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<td>)</td>
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<p>In general, because the eDMA processes the minor loop, it continuously generates read/write sequences until the minor count is exhausted. Bandwidth forces the eDMA to stall after the completion of each read/write access to control the bus request bandwidth seen by the crossbar switch. </p>
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<dl class="params"><dt>Parameters</dt><dd>
|
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<table class="params">
|
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<tr><td class="paramname">tcd</td><td>Point to the TCD structure. </td></tr>
|
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<tr><td class="paramname">bandWidth</td><td>Bandwidth setting, it can be one of: <ul>
|
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<li>kEDMABandwidthStallNone </li>
|
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<li>kEDMABandwidthStall4Cycle </li>
|
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<li>kEDMABandwidthStall8Cycle </li>
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</ul>
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</td></tr>
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</table>
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</dd>
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</dl>
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<td class="memname">void EDMA_TcdSetModulo </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> * </td>
|
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<td class="paramname"><em>tcd</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="group__edma.html#ga13ac7c9e76c11d3dce06f8976d9e4dd7">edma_modulo_t</a> </td>
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<td class="paramname"><em>srcModulo</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="group__edma.html#ga13ac7c9e76c11d3dce06f8976d9e4dd7">edma_modulo_t</a> </td>
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<td class="paramname"><em>destModulo</em> </td>
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</tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</div><div class="memdoc">
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<p>This function defines a specific address range specified to be the value after (SADDR + SOFF)/(DADDR + DOFF) calculation is performed or the original register value. It provides the ability to implement a circular data queue easily.</p>
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<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">tcd</td><td>Point to the TCD structure. </td></tr>
|
|
<tr><td class="paramname">srcModulo</td><td>Source modulo value. </td></tr>
|
|
<tr><td class="paramname">destModulo</td><td>Destination modulo value. </td></tr>
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</table>
|
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</dd>
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</dl>
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</div>
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<td class="memname">static void EDMA_TcdEnableAutoStopRequest </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> * </td>
|
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<td class="paramname"><em>tcd</em>, </td>
|
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|
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<td class="paramkey"></td>
|
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<td></td>
|
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<td class="paramtype">bool </td>
|
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<td class="paramname"><em>enable</em> </td>
|
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span> </td>
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</div><div class="memdoc">
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<p>If enabling the auto stop request, the eDMA hardware automatically disables the hardware channel request.</p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">tcd</td><td>Point to the TCD structure. </td></tr>
|
|
<tr><td class="paramname">enable</td><td>The command for enable(ture) or disable(false). </td></tr>
|
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</table>
|
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</dd>
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</dl>
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<a class="anchor" id="gaff194ee32f2848aa721f8d65f4329fce"></a>
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<table class="memname">
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<tr>
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<td class="memname">void EDMA_TcdEnableInterrupts </td>
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<td>(</td>
|
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<td class="paramtype"><a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> * </td>
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<td class="paramname"><em>tcd</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>mask</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<dl class="params"><dt>Parameters</dt><dd>
|
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<table class="params">
|
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<tr><td class="paramname">tcd</td><td>Point to the TCD structure. </td></tr>
|
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<tr><td class="paramname">mask</td><td>The mask of interrupt source to be set. Users need to use the defined edma_interrupt_enable_t type. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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<a class="anchor" id="ga1dad41c69a12e8abb772f60c66d9f162"></a>
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<tr>
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<td class="memname">void EDMA_TcdDisableInterrupts </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> * </td>
|
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<td class="paramname"><em>tcd</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>mask</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<dl class="params"><dt>Parameters</dt><dd>
|
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<table class="params">
|
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<tr><td class="paramname">tcd</td><td>Point to the TCD structure. </td></tr>
|
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<tr><td class="paramname">mask</td><td>The mask of interrupt source to be set. Users need to use the defined edma_interrupt_enable_t type. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a class="anchor" id="gaabbec6b59a4313df50af39872743deaf"></a>
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<td class="mlabels-left">
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<td class="memname">static void EDMA_EnableChannelRequest </td>
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<td>(</td>
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<td class="paramtype">DMA_Type * </td>
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<td class="paramname"><em>base</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>channel</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span> </td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>This function enables the hardware channel request.</p>
|
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<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">base</td><td>eDMA peripheral base address. </td></tr>
|
|
<tr><td class="paramname">channel</td><td>eDMA channel number. </td></tr>
|
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</table>
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</dd>
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</dl>
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</div>
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<a class="anchor" id="ga44708108a447777f25e322063df70c95"></a>
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<div class="memitem">
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<td class="mlabels-left">
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<table class="memname">
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<td class="memname">static void EDMA_DisableChannelRequest </td>
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<td>(</td>
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<td class="paramtype">DMA_Type * </td>
|
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<td class="paramname"><em>base</em>, </td>
|
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</tr>
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<tr>
|
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>channel</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span> </td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>This function disables the hardware channel request.</p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">base</td><td>eDMA peripheral base address. </td></tr>
|
|
<tr><td class="paramname">channel</td><td>eDMA channel number. </td></tr>
|
|
</table>
|
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</dd>
|
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</dl>
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</div>
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</div>
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<a class="anchor" id="ga38aa18611518af3211f23044527d6992"></a>
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<div class="memitem">
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<div class="memproto">
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<tr>
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<td class="mlabels-left">
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<table class="memname">
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<tr>
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<td class="memname">static void EDMA_TriggerChannelStart </td>
|
|
<td>(</td>
|
|
<td class="paramtype">DMA_Type * </td>
|
|
<td class="paramname"><em>base</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">uint32_t </td>
|
|
<td class="paramname"><em>channel</em> </td>
|
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</tr>
|
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<tr>
|
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span> </td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>This function starts a minor loop transfer.</p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">base</td><td>eDMA peripheral base address. </td></tr>
|
|
<tr><td class="paramname">channel</td><td>eDMA channel number. </td></tr>
|
|
</table>
|
|
</dd>
|
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</dl>
|
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|
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</div>
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</div>
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<a class="anchor" id="gaab8c787c4a14ce27f50edfd36abbaa8c"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">uint32_t EDMA_GetRemainingBytes </td>
|
|
<td>(</td>
|
|
<td class="paramtype">DMA_Type * </td>
|
|
<td class="paramname"><em>base</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">uint32_t </td>
|
|
<td class="paramname"><em>channel</em> </td>
|
|
</tr>
|
|
<tr>
|
|
<td></td>
|
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
|
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<p>This function checks the TCD (Task Control Descriptor) status for a specified eDMA channel and returns the the number of bytes that have not finished.</p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">base</td><td>eDMA peripheral base address. </td></tr>
|
|
<tr><td class="paramname">channel</td><td>eDMA channel number. </td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
<dl class="section return"><dt>Returns</dt><dd>Bytes have not been transferred yet for the current TCD. </dd></dl>
|
|
<dl class="section note"><dt>Note</dt><dd>This function can only be used to get unfinished bytes of transfer without the next TCD, or it might be inaccuracy. </dd></dl>
|
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|
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</div>
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</div>
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<a class="anchor" id="ga2416059ab1bd9c51df50bf78f0f98221"></a>
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<div class="memitem">
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<div class="memproto">
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<tr>
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<td class="mlabels-left">
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<table class="memname">
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<tr>
|
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<td class="memname">static uint32_t EDMA_GetErrorStatusFlags </td>
|
|
<td>(</td>
|
|
<td class="paramtype">DMA_Type * </td>
|
|
<td class="paramname"><em>base</em></td><td>)</td>
|
|
<td></td>
|
|
</tr>
|
|
</table>
|
|
</td>
|
|
<td class="mlabels-right">
|
|
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span> </td>
|
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</tr>
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</table>
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</div><div class="memdoc">
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">base</td><td>eDMA peripheral base address. </td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
<dl class="section return"><dt>Returns</dt><dd>The mask of error status flags. Users need to use the _edma_error_status_flags type to decode the return variables. </dd></dl>
|
|
|
|
</div>
|
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</div>
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<a class="anchor" id="ga6e33fe1b55eb7296b1c2cb440c63bf0e"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">uint32_t EDMA_GetChannelStatusFlags </td>
|
|
<td>(</td>
|
|
<td class="paramtype">DMA_Type * </td>
|
|
<td class="paramname"><em>base</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">uint32_t </td>
|
|
<td class="paramname"><em>channel</em> </td>
|
|
</tr>
|
|
<tr>
|
|
<td></td>
|
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<td>)</td>
|
|
<td></td><td></td>
|
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</tr>
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</table>
|
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</div><div class="memdoc">
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">base</td><td>eDMA peripheral base address. </td></tr>
|
|
<tr><td class="paramname">channel</td><td>eDMA channel number. </td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
<dl class="section return"><dt>Returns</dt><dd>The mask of channel status flags. Users need to use the _edma_channel_status_flags type to decode the return variables. </dd></dl>
|
|
|
|
</div>
|
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</div>
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<a class="anchor" id="ga4575eda0bdf9bbec225cdb322bfadb97"></a>
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<div class="memitem">
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<div class="memproto">
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<tr>
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<td class="memname">void EDMA_ClearChannelStatusFlags </td>
|
|
<td>(</td>
|
|
<td class="paramtype">DMA_Type * </td>
|
|
<td class="paramname"><em>base</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">uint32_t </td>
|
|
<td class="paramname"><em>channel</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">uint32_t </td>
|
|
<td class="paramname"><em>mask</em> </td>
|
|
</tr>
|
|
<tr>
|
|
<td></td>
|
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<td>)</td>
|
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<td></td><td></td>
|
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</tr>
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</table>
|
|
</div><div class="memdoc">
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">base</td><td>eDMA peripheral base address. </td></tr>
|
|
<tr><td class="paramname">channel</td><td>eDMA channel number. </td></tr>
|
|
<tr><td class="paramname">mask</td><td>The mask of channel status to be cleared. Users need to use the defined _edma_channel_status_flags type. </td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
|
|
</div>
|
|
</div>
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<a class="anchor" id="gae71842684e693908395784e8b7f7ef55"></a>
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<div class="memitem">
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<div class="memproto">
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<tr>
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<td class="memname">void EDMA_CreateHandle </td>
|
|
<td>(</td>
|
|
<td class="paramtype"><a class="el" href="group__edma.html#structedma__handle__t">edma_handle_t</a> * </td>
|
|
<td class="paramname"><em>handle</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">DMA_Type * </td>
|
|
<td class="paramname"><em>base</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">uint32_t </td>
|
|
<td class="paramname"><em>channel</em> </td>
|
|
</tr>
|
|
<tr>
|
|
<td></td>
|
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
|
|
<p>This function is called if using transaction API for eDMA. This function initializes the internal state of eDMA handle.</p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">handle</td><td>eDMA handle pointer. The eDMA handle stores callback function and parameters. </td></tr>
|
|
<tr><td class="paramname">base</td><td>eDMA peripheral base address. </td></tr>
|
|
<tr><td class="paramname">channel</td><td>eDMA channel number. </td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
|
|
</div>
|
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</div>
|
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<a class="anchor" id="ga61e4c8c8c4292918fe976a9071fa68e2"></a>
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<div class="memitem">
|
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<div class="memproto">
|
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<table class="memname">
|
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<tr>
|
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<td class="memname">void EDMA_InstallTCDMemory </td>
|
|
<td>(</td>
|
|
<td class="paramtype"><a class="el" href="group__edma.html#structedma__handle__t">edma_handle_t</a> * </td>
|
|
<td class="paramname"><em>handle</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype"><a class="el" href="group__edma.html#structedma__tcd__t">edma_tcd_t</a> * </td>
|
|
<td class="paramname"><em>tcdPool</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">uint32_t </td>
|
|
<td class="paramname"><em>tcdSize</em> </td>
|
|
</tr>
|
|
<tr>
|
|
<td></td>
|
|
<td>)</td>
|
|
<td></td><td></td>
|
|
</tr>
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</table>
|
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</div><div class="memdoc">
|
|
<p>This function is called after the EDMA_CreateHandle to use scatter/gather feature.</p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">handle</td><td>eDMA handle pointer. </td></tr>
|
|
<tr><td class="paramname">tcdPool</td><td>Memory pool to store TCDs. It must be 32 bytes aligned. </td></tr>
|
|
<tr><td class="paramname">tcdSize</td><td>The number of TCD slots. </td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
|
|
</div>
|
|
</div>
|
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<a class="anchor" id="ga945ae6f5db8b32c9b39ec0954073d65d"></a>
|
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<div class="memitem">
|
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<div class="memproto">
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<table class="memname">
|
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<tr>
|
|
<td class="memname">void EDMA_SetCallback </td>
|
|
<td>(</td>
|
|
<td class="paramtype"><a class="el" href="group__edma.html#structedma__handle__t">edma_handle_t</a> * </td>
|
|
<td class="paramname"><em>handle</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype"><a class="el" href="group__edma.html#ga9ee3a34d12fbb39bc972f62ba6357022">edma_callback</a> </td>
|
|
<td class="paramname"><em>callback</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">void * </td>
|
|
<td class="paramname"><em>userData</em> </td>
|
|
</tr>
|
|
<tr>
|
|
<td></td>
|
|
<td>)</td>
|
|
<td></td><td></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
<p>This callback is called in eDMA IRQ handler. Use the callback to do something after the current major loop transfer completes.</p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">handle</td><td>eDMA handle pointer. </td></tr>
|
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<tr><td class="paramname">callback</td><td>eDMA callback function pointer. </td></tr>
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<tr><td class="paramname">userData</td><td>Parameter for callback function. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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<a class="anchor" id="ga9ae2d264213737df083b4a7089f826d8"></a>
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<td class="memname">void EDMA_PrepareTransfer </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="group__edma.html#structedma__transfer__config__t">edma_transfer_config_t</a> * </td>
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<td class="paramname"><em>config</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">void * </td>
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<td class="paramname"><em>srcAddr</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>srcWidth</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">void * </td>
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<td class="paramname"><em>destAddr</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>destWidth</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>bytesEachRequest</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>transferBytes</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="group__edma.html#ga7803399034b374663f76a589da7d8419">edma_transfer_type_t</a> </td>
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<td class="paramname"><em>type</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>This function prepares the transfer configuration structure according to the user input.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">config</td><td>The user configuration structure of type edma_transfer_t. </td></tr>
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<tr><td class="paramname">srcAddr</td><td>eDMA transfer source address. </td></tr>
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<tr><td class="paramname">srcWidth</td><td>eDMA transfer source address width(bytes). </td></tr>
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<tr><td class="paramname">destAddr</td><td>eDMA transfer destination address. </td></tr>
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<tr><td class="paramname">destWidth</td><td>eDMA transfer destination address width(bytes). </td></tr>
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<tr><td class="paramname">bytesEachRequest</td><td>eDMA transfer bytes per channel request. </td></tr>
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<tr><td class="paramname">transferBytes</td><td>eDMA transfer bytes to be transferred. </td></tr>
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<tr><td class="paramname">type</td><td>eDMA transfer type. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section note"><dt>Note</dt><dd>The data address and the data width must be consistent. For example, if the SRC is 4 bytes, so the source address must be 4 bytes aligned, or it shall result in source address error(SAE). </dd></dl>
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<td class="memname">status_t EDMA_SubmitTransfer </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="group__edma.html#structedma__handle__t">edma_handle_t</a> * </td>
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<td class="paramname"><em>handle</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const <a class="el" href="group__edma.html#structedma__transfer__config__t">edma_transfer_config_t</a> * </td>
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<td class="paramname"><em>config</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>This function submits the eDMA transfer request according to the transfer configuration structure. If the user submits the transfer request repeatedly, this function packs an unprocessed request as a TCD and enables scatter/gather feature to process it in the next time.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">handle</td><td>eDMA handle pointer. </td></tr>
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<tr><td class="paramname">config</td><td>Pointer to eDMA transfer configuration structure. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="retval"><dt>Return values</dt><dd>
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<table class="retval">
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<tr><td class="paramname">kStatus_EDMA_Success</td><td>It means submit transfer request succeed. </td></tr>
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<tr><td class="paramname">kStatus_EDMA_QueueFull</td><td>It means TCD queue is full. Submit transfer request is not allowed. </td></tr>
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<tr><td class="paramname">kStatus_EDMA_Busy</td><td>It means the given channel is busy, need to submit request later. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a class="anchor" id="gab4a5570a9a0936f6666ec3c6a619296f"></a>
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<td class="memname">void EDMA_StartTransfer </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="group__edma.html#structedma__handle__t">edma_handle_t</a> * </td>
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<td class="paramname"><em>handle</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>This function enables the channel request. Users can call this function after submitting the transfer request or before submitting the transfer request.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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|
<table class="params">
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|
<tr><td class="paramname">handle</td><td>eDMA handle pointer. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a class="anchor" id="ga253a133e7834d7cb958911a05acc16b8"></a>
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<td class="memname">void EDMA_StopTransfer </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="group__edma.html#structedma__handle__t">edma_handle_t</a> * </td>
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<td class="paramname"><em>handle</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>This function disables the channel request to pause the transfer. Users can call <a class="el" href="group__edma.html#gab4a5570a9a0936f6666ec3c6a619296f" title="eDMA start transfer. ">EDMA_StartTransfer()</a> again to resume the transfer.</p>
|
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<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">handle</td><td>eDMA handle pointer. </td></tr>
|
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a class="anchor" id="ga2098cf6995bc79b25c5c9588f1c711e9"></a>
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<tr>
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<td class="memname">void EDMA_AbortTransfer </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="group__edma.html#structedma__handle__t">edma_handle_t</a> * </td>
|
|
<td class="paramname"><em>handle</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>This function disables the channel request and clear transfer status bits. Users can submit another transfer after calling this API.</p>
|
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<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">handle</td><td>DMA handle pointer. </td></tr>
|
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a class="anchor" id="gaebf4a6a6000c296d3ab795aae77b65a0"></a>
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<td class="memname">void EDMA_HandleIRQ </td>
|
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<td>(</td>
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<td class="paramtype"><a class="el" href="group__edma.html#structedma__handle__t">edma_handle_t</a> * </td>
|
|
<td class="paramname"><em>handle</em></td><td>)</td>
|
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<td></td>
|
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</tr>
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</table>
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</div><div class="memdoc">
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<p>This function clears the channel major interrupt flag and call the callback function if it is not NULL.</p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">handle</td><td>eDMA handle pointer. </td></tr>
|
|
</table>
|
|
</dd>
|
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</dl>
|
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</div>
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</div>
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