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KevinOConnor 2022-04-13 15:22:56 +00:00
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Bootloaders.html
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@ -1232,6 +1232,13 @@
STM32F103 with HID bootloader
</a>
</li>
<li class="md-nav__item">
<a href="#stm32f103stm32f072-with-msc-bootloader" class="md-nav__link">
STM32F103/STM32F072 with MSC bootloader
</a>
</li>
</ul>
@ -1473,6 +1480,13 @@
STM32F103 with HID bootloader
</a>
</li>
<li class="md-nav__item">
<a href="#stm32f103stm32f072-with-msc-bootloader" class="md-nav__link">
STM32F103/STM32F072 with MSC bootloader
</a>
</li>
</ul>
@ -1871,6 +1885,21 @@ not available, so it may be done by setting pin PA2 low if you flashed
"hid_btt_skr_mini_e3.bin". This pin is labeld "TX0" on the TFT header in
the SKR Mini E3's "PIN" document. There is a ground pin next to PA2
which you can use to pull PA2 low.</p>
<h3 id="stm32f103stm32f072-with-msc-bootloader">STM32F103/STM32F072 with MSC bootloader<a class="headerlink" href="#stm32f103stm32f072-with-msc-bootloader" title="Permanent link">&para;</a></h3>
<p>The <a href="https://github.com/Telekatz/MSC-stm32f103-bootloader">MSC bootloader</a> is a driverless bootloader capable of flashing over USB.</p>
<p>It is possible to flash the bootloader via 3.3v serial using stm32flash as noted
in the stm32duino section above, substituting the file name for the desired
MSC bootloader binary (ie: MSCboot-Bluepill.bin for the blue pill).</p>
<p>For STM32F072 boards it is also possible to flash the bootloader over USB (via DFU)
with something like:</p>
<div class="highlight"><pre><span></span><code> dfu-util -d 0483:df11 -a 0 -R -D MSCboot-STM32F072.bin -s0x08000000:leave
</code></pre></div>
<p>This bootloader uses 8KiB or 16KiB of flash space, see description of the bootloader
(the application must be compiled with with the corresponding starting address).</p>
<p>The bootloader can be activated by pressing the reset button of the board twice.
As soon as the bootloader is activated, the board appears as a USB flash drive
onto which the klipper.bin file can be copied.</p>
<h2 id="stm32f4-micro-controllers-skr-pro-11">STM32F4 micro-controllers (SKR Pro 1.1)<a class="headerlink" href="#stm32f4-micro-controllers-skr-pro-11" title="Permanent link">&para;</a></h2>
<p>STM32F4 microcontrollers come equipped with a built-in system bootloader
capable of flashing over USB (via DFU), 3.3v Serial, and various other