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180 lines
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<td id="projectlogo"><img alt="Logo" src="nxp_logo_small.png"/></td>
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<td id="projectalign" style="padding-left: 0.5em;">
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<div id="projectname">Kinetis Bootloader
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 <span id="projectnumber">2.0.0</span>
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<div id="projectbrief">Common bootloader for Kinetis devices</div>
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<li><a href="index.html"><span>Introduction</span></a></li>
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<div class="title">Target Projects </div> </div>
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<div class="contents">
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<div class="textblock"><h1>Introduction</h1>
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<p>The bootloader is built separately for each target device and board combination. This allows for compile-time customization of the bootloader.</p>
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<h1>Directory Structure</h1>
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<p>Target projects are stored in the top level <code>targets</code> directory. There is a subdirectory for each device. Inside the device directory is a directory for each toolchain and a <code>src</code> directory.</p>
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<h1>Sources</h1>
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<p>Each target must have several common source files:</p>
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<ul>
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<li><p class="startli"><code><a class="el" href="bootloader__config_8h_source.html">bootloader_config.h</a></code></p>
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<p class="startli">Configuration macros, see below.</p>
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</li>
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<li><p class="startli"><code>clock_config_x.c</code></p>
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<p class="startli">Clock configuration code.</p>
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</li>
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<li><p class="startli"><code>hardware_init_x.c</code></p>
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<p class="startli">Board-specific hardware related functions.</p>
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</li>
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<li><p class="startli"><code>memory_map_x.c</code></p>
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<p class="startli">Contains the memory map for the device.</p>
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</li>
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<li><p class="startli"><code>peripherals_x.c</code></p>
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<p class="startli">Contains the peripheral descriptor array.</p>
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</li>
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</ul>
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<p>(The "x" in the filenames above is replaced with the device name.)</p>
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<h1>Configuration options</h1>
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<p>The <code><a class="el" href="bootloader__config_8h_source.html">bootloader_config.h</a></code> file in the target source directory sets a number of macros used to configure the bootloader build. These can be defined here or in the build tool project file.</p>
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<p><code>BL_TARGET_FLASH</code></p>
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<p>Selects the flash-resident build.</p>
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<p><code>BL_TARGET_RAM</code></p>
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<p>Selects the RAM-resident (flashloader) build.</p>
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<p><code>BL_MIN_PROFILE</code></p>
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<p>Selects between the maximal and minimal configuration for the bootloader. Set to 1 for the minimal configuration.</p>
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<p><code>BL_FEATURE_READ_MEMORY</code></p>
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<p>Forces inclusion of read memory command under minimal configuration.</p>
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<p><code>BL_DEFAULT_PERIPHERAL_DETECT_TIMEOUT</code></p>
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<p>The default active peripheral detection timeout in milliseconds.</p>
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<p><code>BL_HAS_MASS_ERASE</code></p>
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<p>Set to 1 if the device has the ERSALLU flash controller command. Only certain new devices have this command.</p>
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<p><code>BL_FLASH_VERIFY_DISABLE</code></p>
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<p>Set to 1 to disable verification of erases and writes to flash memory.</p>
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<p><code>BL_ENABLE_CRC_CHECK</code></p>
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<p>Enable application CRC check on targets with hardware CRC support.</p>
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<p><code>BL_UART_AUTOBAUD_IRQ</code></p>
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<p>Set to 1 to use pin interrupts for autobaud, rather than polling.</p>
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<p><code>BL_APP_VECTOR_TABLE_ADDRESS</code></p>
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<p>The bootloader will check this address for the application vector table upon startup.</p>
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<p><code>BL_FEATURE_POWERDOWN</code></p>
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<p>Enables entering low power mode if no host communication.</p>
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<p><code>BL_DEFAULT_POWERDOWN_TIMEOUT</code></p>
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<p>Sets timeout for entering low power mode.</p>
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<p><code>BL_FEATURE_FLASH_SECURITY</code></p>
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<p>Set to 1 if target supports flash security features.</p>
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<p><code>BL_FEATURE_ENCRYPTION</code></p>
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<p>Set to 1 if target supports encrypted application image download.</p>
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<p><code>BL_FEATURE_QSPI_MODULE</code></p>
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<p>Set to 1 if target has QSPI support.</p>
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<p>The following macros control the inclusion of specific host communication peripherals in the build. (See <code>peripherals_x.c</code>.)</p>
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<p><code>BL_CONFIG_SCUART</code></p>
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<p><code>BL_CONFIG_I2C</code></p>
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<p><code>BL_CONFIG_DSPI</code></p>
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<p><code>BL_CONFIG_USB_HID</code></p>
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<p><code>BL_CONFIG_USB_MSC</code> </p>
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</div></div><!-- contents -->
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<li class="footer">Generated on Mon Mar 7 2016 16:48:23 for Kinetis Bootloader by
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.11 </li>
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