SAMD21 Xplained Pro micropython #13790
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You can access the UART ports of the board, as long as the pins are physically accessible. See the pinout documentation at https://docs.micropython.org/en/latest/samd/pinout.html#samd21-xplained-pro-pin-assignment-table |
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is it possible using Segger J-Link EDU in order to flash del .elf via Debug Port? |
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That would require access to the SWD pins of the SAMD21. But as far as I can tell, these are not accessible but connected to the DEBUG CPU. But the debug CPU on the board should work like a Segger EDU device. So you could try to use it with Debugger like Ozone. when the PC is connected to the debug port. |
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Yes i have just tried but i cannot see the drive (only with debug port i can see it) |
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But you said, that with the debug port the drive comes up immediately. I looked into the board's manual but did not see and hints, that one can e.g. load a .hex file to be installed in the target's flash. You should however be able to attach a debugger. With the target port, the drive comes up if you connect the board such that it is powered and push reset twice. How fast may need some trials. |
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There is a PR #15942 with updated deploy instructions, telling how to install an UF2 bootloader. Then, the micropython firmware can be installed. |
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Hi, i would like to use SAMD21 Xplained Pro board with micropython.
Do you know if i can access to all the UARTs port available in sad21 microcontroller?
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