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update-bootloader*.ino Arduino sketch make a brick #86

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hulkco opened this issue Sep 22, 2019 · 1 comment · Fixed by #111
Closed

update-bootloader*.ino Arduino sketch make a brick #86

hulkco opened this issue Sep 22, 2019 · 1 comment · Fixed by #111

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@hulkco
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hulkco commented Sep 22, 2019

Hello everyone, I have been playing with Microsoft's UF2 file system for microcontrollers, I have followed the examples and the Board version MKR1010 has been successfully compiled, in addition to the firmware file * .bin a sketch is generated for the Arduino IDE , but when you upload it to the Board, something breaks and turns it into a brick, so to recover it, I must use OpenOCD in conjunction with a Raspberry, my question is if any of you have tried and solved this problem, I have also made for the SparkFun SAMD21 Dev Breakout Board
@tannewt
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tannewt commented Sep 23, 2019

The .ino replaces the existing bootloader with a UF2 one. It sounds like your compiled version isn't working. I'd suggest using GDB with OpenOCD to debug it.

@dhalbert dhalbert mentioned this issue Mar 29, 2020
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fix SAMD51 spurious writes; allow gcc9 compilation; improve delay() calibration dhalbert/uf2-samdx1
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@tannewt @hulkco