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__FORCETOC__
<section begin="Body" />
== How to create a bootable microSD card ==
The process is relatively straightforward: it consists of writing the WIC file of interest generated by Yocto onto the SD card. There are multiple ways to do that.
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=== Flash uSD Flashing the microSD card with STM32CubeProgrammer === Another way is to use the [https://www.st.com/en/development-tools/stm32cubeprog.html STM32CubeProgrammer] tool, which has a little different approach than BalenaEtcheras it allows to program the card '''without removing it from the target'''. Furthermore, STM32CubeProgrammer makes use of several files generated by Yoctoinstead of the WIC image. For the sake of simplicity, the following procedure shows how to run it STM32CubeProgrammer on the MVM so that it can access these files directly. Please note that, by By default, STM32CubeProgrammer is not installed in the MVM. Please refer to the STM documentation for installation instructions. In principle, the same procedure can be executed on a Windows host as well. It is worth remembering that the programming procedure is obviously much slower when executed in a virtual machine like MVM.
First of all, execute the build with Yocto to generate the required files. See [[DESK-MP1-L/Development/Building_the_Yocto_BSP | here]] for more infoinformation.
<pre class="workstation-terminal">
dvdk@vagrant:~/desk-mp1-l$ curl http://commondatastorage.googleapis.com/git-repo-downloads/repo-1 > repo
100 29945 100 29945 0 0 696k 0 --:--:-- --:--:-- --:--:-- 696k
dvdk@vagrant:~/desk-mp1-l$ chmod a+x repo
dvdk@vagrant:~/desk-mp1-l$ ./repo init -u git@https://git.dave.eu:/git/desk-mp1-l/desk-mp1-l-bsp.git -b refs/tags/desk-mp1-l-1.0.01
...
repo has been initialized in /home/dvdk/desk-mp1-l
On the target, change the S1 DIP-switch into <code>ON-ON-ON-OFF</code>.
[[File:DESK-MP1-L_DIP-Switch-USB-Boot.JPG|thumb|center|600px300px]]
Connect the board (connector J16) to the host with a USB <-> USB OTG cable. TBD indicate the connector
Add the device detected to the MVM:
When programming ends, this message appears:
[[File:DESK-MP1-L_STM32CubeProgrammer_end_download_binary.PNG|750pxthumb|center|600px]]
Unplug the OTG cable, power off the target, and change the DIP-switch into <code>ON-OFF-ON-OFF</code>.
[[File:DESK-MP1-L_DIP-Switch-uSD-Boot.JPG|750pxthumb|center|300px]]
Power on the board. If the procedure was completed properly, you will see the typical bootstrap messages on the console:
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[[Category:ETRA]] [[Category:ETRA_SBC]]