480 lines
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480 lines
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<a href="#groups">Modules</a> |
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<a href="#nested-classes">Data Structures</a> |
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<a href="#func-members">Functions</a> </div>
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<div class="title">LTC Non-blocking eDMA APIs<div class="ingroups"><a class="el" href="group__ltc__driver.html">LTC: LP Trusted Cryptography</a></div></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>This section describes the programming interface of the LTC EDMA Non Blocking functions </p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="groups"></a>
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Modules</h2></td></tr>
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<tr class="memitem:group__ltc__edma__driver__aes"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__edma__driver__aes.html">LTC eDMA AES driver</a></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:group__ltc__edma__driver__des"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__edma__driver__des.html">LTC eDMA DES driver</a></td></tr>
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<tr class="separator:"><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="nested-classes"></a>
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Data Structures</h2></td></tr>
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<tr class="memitem:struct__ltc__edma__handle"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__edma__driver.html#struct__ltc__edma__handle">ltc_edma_handle_t</a></td></tr>
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<tr class="memdesc:struct__ltc__edma__handle"><td class="mdescLeft"> </td><td class="mdescRight">LTC EDMA handle. <a href="group__ltc__edma__driver.html#struct__ltc__edma__handle">More...</a><br/></td></tr>
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<tr class="separator:struct__ltc__edma__handle"><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:gab9bd2683c043b5b33f7b08b675a0df8f"><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__edma__driver.html#gab9bd2683c043b5b33f7b08b675a0df8f">ltc_edma_callback_t</a> )(LTC_Type *base, ltc_edma_handle_t *handle, status_t status, void *userData)</td></tr>
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<tr class="memdesc:gab9bd2683c043b5b33f7b08b675a0df8f"><td class="mdescLeft"> </td><td class="mdescRight">LTC EDMA callback function. <a href="#gab9bd2683c043b5b33f7b08b675a0df8f">More...</a><br/></td></tr>
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<tr class="separator:gab9bd2683c043b5b33f7b08b675a0df8f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga2efde022171efa84e07207d89dbab1b0"><td class="memItemLeft" align="right" valign="top">typedef status_t(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__edma__driver.html#ga2efde022171efa84e07207d89dbab1b0">ltc_edma_state_machine_t</a> )(LTC_Type *base, ltc_edma_handle_t *handle)</td></tr>
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<tr class="memdesc:ga2efde022171efa84e07207d89dbab1b0"><td class="mdescLeft"> </td><td class="mdescRight">LTC EDMA state machine function. <a href="#ga2efde022171efa84e07207d89dbab1b0">More...</a><br/></td></tr>
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<tr class="separator:ga2efde022171efa84e07207d89dbab1b0"><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="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:gad85a924157b84cca4313cb59e7bdb7be"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__edma__driver.html#gad85a924157b84cca4313cb59e7bdb7be">LTC_CreateHandleEDMA</a> (LTC_Type *base, ltc_edma_handle_t *handle, <a class="el" href="group__ltc__edma__driver.html#gab9bd2683c043b5b33f7b08b675a0df8f">ltc_edma_callback_t</a> callback, void *userData, <a class="el" href="group__edma__driver.html#structedma__handle__t">edma_handle_t</a> *inputFifoEdmaHandle, <a class="el" href="group__edma__driver.html#structedma__handle__t">edma_handle_t</a> *outputFifoEdmaHandle)</td></tr>
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<tr class="memdesc:gad85a924157b84cca4313cb59e7bdb7be"><td class="mdescLeft"> </td><td class="mdescRight">Init the LTC EDMA handle which is used in transcational functions. <a href="#gad85a924157b84cca4313cb59e7bdb7be">More...</a><br/></td></tr>
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<tr class="separator:gad85a924157b84cca4313cb59e7bdb7be"><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="struct__ltc__edma__handle" id="struct__ltc__edma__handle"></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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<td class="memname">struct _ltc_edma_handle</td>
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</table>
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</div><div class="memdoc">
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<div class="textblock"><p>It is defined only for private usage inside LTC EDMA driver. </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:ad1143d390b1ccadf428a671c79443149"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__ltc__edma__driver.html#gab9bd2683c043b5b33f7b08b675a0df8f">ltc_edma_callback_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__edma__driver.html#ad1143d390b1ccadf428a671c79443149">callback</a></td></tr>
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<tr class="memdesc:ad1143d390b1ccadf428a671c79443149"><td class="mdescLeft"> </td><td class="mdescRight">Callback function. <a href="#ad1143d390b1ccadf428a671c79443149">More...</a><br/></td></tr>
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<tr class="separator:ad1143d390b1ccadf428a671c79443149"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aa07bc7d90508b75c60c7f6c7573f5826"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__edma__driver.html#aa07bc7d90508b75c60c7f6c7573f5826">userData</a></td></tr>
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<tr class="memdesc:aa07bc7d90508b75c60c7f6c7573f5826"><td class="mdescLeft"> </td><td class="mdescRight">LTC callback function parameter. <a href="#aa07bc7d90508b75c60c7f6c7573f5826">More...</a><br/></td></tr>
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<tr class="separator:aa07bc7d90508b75c60c7f6c7573f5826"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ada832abfffac449c2f1fc5e8ddc82b00"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__edma__driver.html#structedma__handle__t">edma_handle_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__edma__driver.html#ada832abfffac449c2f1fc5e8ddc82b00">inputFifoEdmaHandle</a></td></tr>
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<tr class="memdesc:ada832abfffac449c2f1fc5e8ddc82b00"><td class="mdescLeft"> </td><td class="mdescRight">The EDMA TX channel used. <a href="#ada832abfffac449c2f1fc5e8ddc82b00">More...</a><br/></td></tr>
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<tr class="separator:ada832abfffac449c2f1fc5e8ddc82b00"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a1d44a8a680fb9be9a2830343a30e12de"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__edma__driver.html#structedma__handle__t">edma_handle_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__edma__driver.html#a1d44a8a680fb9be9a2830343a30e12de">outputFifoEdmaHandle</a></td></tr>
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<tr class="memdesc:a1d44a8a680fb9be9a2830343a30e12de"><td class="mdescLeft"> </td><td class="mdescRight">The EDMA RX channel used. <a href="#a1d44a8a680fb9be9a2830343a30e12de">More...</a><br/></td></tr>
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<tr class="separator:a1d44a8a680fb9be9a2830343a30e12de"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a0652cb316a52bd5c13818b8e91d72d7b"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__ltc__edma__driver.html#ga2efde022171efa84e07207d89dbab1b0">ltc_edma_state_machine_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__edma__driver.html#a0652cb316a52bd5c13818b8e91d72d7b">state_machine</a></td></tr>
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<tr class="memdesc:a0652cb316a52bd5c13818b8e91d72d7b"><td class="mdescLeft"> </td><td class="mdescRight">State machine. <a href="#a0652cb316a52bd5c13818b8e91d72d7b">More...</a><br/></td></tr>
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<tr class="separator:a0652cb316a52bd5c13818b8e91d72d7b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aa596609c62af84fa27b77e7370de2ac9"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__edma__driver.html#aa596609c62af84fa27b77e7370de2ac9">state</a></td></tr>
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<tr class="memdesc:aa596609c62af84fa27b77e7370de2ac9"><td class="mdescLeft"> </td><td class="mdescRight">Internal state. <a href="#aa596609c62af84fa27b77e7370de2ac9">More...</a><br/></td></tr>
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<tr class="separator:aa596609c62af84fa27b77e7370de2ac9"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aabef45f071a75b2e6e8c86fe55f7353e"><td class="memItemLeft" align="right" valign="top">const uint8_t * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__edma__driver.html#aabef45f071a75b2e6e8c86fe55f7353e">inData</a></td></tr>
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<tr class="memdesc:aabef45f071a75b2e6e8c86fe55f7353e"><td class="mdescLeft"> </td><td class="mdescRight">Input data. <a href="#aabef45f071a75b2e6e8c86fe55f7353e">More...</a><br/></td></tr>
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<tr class="separator:aabef45f071a75b2e6e8c86fe55f7353e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:acb0844179746900965b346c4dee6f2e4"><td class="memItemLeft" align="right" valign="top">uint8_t * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__edma__driver.html#acb0844179746900965b346c4dee6f2e4">outData</a></td></tr>
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<tr class="memdesc:acb0844179746900965b346c4dee6f2e4"><td class="mdescLeft"> </td><td class="mdescRight">Output data. <a href="#acb0844179746900965b346c4dee6f2e4">More...</a><br/></td></tr>
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<tr class="separator:acb0844179746900965b346c4dee6f2e4"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a61be55dd178fad65c8ae92437b642c81"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__edma__driver.html#a61be55dd178fad65c8ae92437b642c81">size</a></td></tr>
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<tr class="memdesc:a61be55dd178fad65c8ae92437b642c81"><td class="mdescLeft"> </td><td class="mdescRight">Size of input and output data in bytes. <a href="#a61be55dd178fad65c8ae92437b642c81">More...</a><br/></td></tr>
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<tr class="separator:a61be55dd178fad65c8ae92437b642c81"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a33c9dff366ca9bacfbf71ac5a8965f56"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__edma__driver.html#a33c9dff366ca9bacfbf71ac5a8965f56">modeReg</a></td></tr>
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<tr class="memdesc:a33c9dff366ca9bacfbf71ac5a8965f56"><td class="mdescLeft"> </td><td class="mdescRight">LTC mode register. <a href="#a33c9dff366ca9bacfbf71ac5a8965f56">More...</a><br/></td></tr>
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<tr class="separator:a33c9dff366ca9bacfbf71ac5a8965f56"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a50db21d87cf0680eb4ee59e7423c5b87"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a50db21d87cf0680eb4ee59e7423c5b87"></a>
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uint8_t * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__edma__driver.html#a50db21d87cf0680eb4ee59e7423c5b87">counter</a></td></tr>
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<tr class="memdesc:a50db21d87cf0680eb4ee59e7423c5b87"><td class="mdescLeft"> </td><td class="mdescRight">Input counter (updates on return) <br/></td></tr>
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<tr class="memitem:aefd7bec359f5de638e3562f0690e6705"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aefd7bec359f5de638e3562f0690e6705"></a>
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const uint8_t * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__edma__driver.html#aefd7bec359f5de638e3562f0690e6705">key</a></td></tr>
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<tr class="memdesc:aefd7bec359f5de638e3562f0690e6705"><td class="mdescLeft"> </td><td class="mdescRight">Input key to use for forward AES cipher. <br/></td></tr>
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<tr class="separator:aefd7bec359f5de638e3562f0690e6705"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a5a7f26e1da75644c3fd2f155f004b76a"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__edma__driver.html#a5a7f26e1da75644c3fd2f155f004b76a">keySize</a></td></tr>
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<tr class="memdesc:a5a7f26e1da75644c3fd2f155f004b76a"><td class="mdescLeft"> </td><td class="mdescRight">Size of the input key, in bytes. <a href="#a5a7f26e1da75644c3fd2f155f004b76a">More...</a><br/></td></tr>
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<tr class="separator:a5a7f26e1da75644c3fd2f155f004b76a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a2430453d1aee773bb502cdf455959f96"><td class="memItemLeft" align="right" valign="top">uint8_t * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__edma__driver.html#a2430453d1aee773bb502cdf455959f96">counterlast</a></td></tr>
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<tr class="memdesc:a2430453d1aee773bb502cdf455959f96"><td class="mdescLeft"> </td><td class="mdescRight">Output cipher of last counter, for chained CTR calls. <a href="#a2430453d1aee773bb502cdf455959f96">More...</a><br/></td></tr>
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<tr class="separator:a2430453d1aee773bb502cdf455959f96"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a8f8165c1f490d4f1ef60cde3b86428e6"><td class="memItemLeft" align="right" valign="top">uint32_t * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__edma__driver.html#a8f8165c1f490d4f1ef60cde3b86428e6">szLeft</a></td></tr>
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<tr class="memdesc:a8f8165c1f490d4f1ef60cde3b86428e6"><td class="mdescLeft"> </td><td class="mdescRight">Output number of bytes in left unused in counterlast block. <a href="#a8f8165c1f490d4f1ef60cde3b86428e6">More...</a><br/></td></tr>
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<tr class="separator:a8f8165c1f490d4f1ef60cde3b86428e6"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ab3e69da5e17f984fda7cf6a9b81a7eb1"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__edma__driver.html#ab3e69da5e17f984fda7cf6a9b81a7eb1">lastSize</a></td></tr>
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<tr class="memdesc:ab3e69da5e17f984fda7cf6a9b81a7eb1"><td class="mdescLeft"> </td><td class="mdescRight">Last size. <a href="#ab3e69da5e17f984fda7cf6a9b81a7eb1">More...</a><br/></td></tr>
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<h4 class="groupheader">Field Documentation</h4>
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<td class="memname"><a class="el" href="group__ltc__edma__driver.html#gab9bd2683c043b5b33f7b08b675a0df8f">ltc_edma_callback_t</a> ltc_edma_handle_t::callback</td>
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<td class="memname">void* ltc_edma_handle_t::userData</td>
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<td class="memname"><a class="el" href="group__edma__driver.html#structedma__handle__t">edma_handle_t</a>* ltc_edma_handle_t::inputFifoEdmaHandle</td>
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<td class="memname"><a class="el" href="group__edma__driver.html#structedma__handle__t">edma_handle_t</a>* ltc_edma_handle_t::outputFifoEdmaHandle</td>
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<td class="memname"><a class="el" href="group__ltc__edma__driver.html#ga2efde022171efa84e07207d89dbab1b0">ltc_edma_state_machine_t</a> ltc_edma_handle_t::state_machine</td>
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<td class="memname">uint32_t ltc_edma_handle_t::state</td>
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<td class="memname">const uint8_t* ltc_edma_handle_t::inData</td>
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<td class="memname">uint8_t* ltc_edma_handle_t::outData</td>
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<td class="memname">uint32_t ltc_edma_handle_t::size</td>
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<td class="memname">uint32_t ltc_edma_handle_t::modeReg</td>
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<td class="memname">uint32_t ltc_edma_handle_t::keySize</td>
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<p>Must be 16, 24, or 32. </p>
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<td class="memname">uint8_t* ltc_edma_handle_t::counterlast</td>
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<p>NULL can be passed if chained calls are not used. </p>
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<td class="memname">uint32_t* ltc_edma_handle_t::szLeft</td>
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<p>NULL can be passed if chained calls are not used. </p>
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<td class="memname">uint32_t ltc_edma_handle_t::lastSize</td>
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<h2 class="groupheader">Typedef Documentation</h2>
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<td class="memname">typedef void(* ltc_edma_callback_t)(LTC_Type *base, ltc_edma_handle_t *handle, status_t status, void *userData)</td>
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<td class="memname">typedef status_t(* ltc_edma_state_machine_t)(LTC_Type *base, ltc_edma_handle_t *handle)</td>
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<p>It is defined only for private usage inside LTC EDMA driver. </p>
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<h2 class="groupheader">Function Documentation</h2>
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<td class="memname">void LTC_CreateHandleEDMA </td>
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<td>(</td>
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<td class="paramtype">LTC_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">ltc_edma_handle_t * </td>
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<td class="paramname"><em>handle</em>, </td>
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<td></td>
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<td class="paramtype"><a class="el" href="group__ltc__edma__driver.html#gab9bd2683c043b5b33f7b08b675a0df8f">ltc_edma_callback_t</a> </td>
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<td class="paramname"><em>callback</em>, </td>
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<td></td>
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<td class="paramtype">void * </td>
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<td class="paramname"><em>userData</em>, </td>
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<td></td>
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<td class="paramtype"><a class="el" href="group__edma__driver.html#structedma__handle__t">edma_handle_t</a> * </td>
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<td class="paramname"><em>inputFifoEdmaHandle</em>, </td>
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<td></td>
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<td class="paramtype"><a class="el" href="group__edma__driver.html#structedma__handle__t">edma_handle_t</a> * </td>
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<td class="paramname"><em>outputFifoEdmaHandle</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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<tr><td class="paramname">base</td><td>LTC module base address </td></tr>
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<tr><td class="paramname">handle</td><td>Pointer to ltc_edma_handle_t structure </td></tr>
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<tr><td class="paramname">callback</td><td>Callback function, NULL means no callback. </td></tr>
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<tr><td class="paramname">userData</td><td>Callback function parameter. </td></tr>
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<tr><td class="paramname">inputFifoEdmaHandle</td><td>User requested EDMA handle for Input FIFO EDMA. </td></tr>
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<tr><td class="paramname">outputFifoEdmaHandle</td><td>User requested EDMA handle for Output FIFO EDMA. </td></tr>
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