8000 atmel-samd: Update bossac_osx with one that works. · sparkfun/circuitpython@0a10d17 · GitHub
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atmel-samd: Update bossac_osx with one that works.
Add info to the README on how to get into bootloader on feathers. Fixes adafruit#6.
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‎atmel-samd/README.md

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@@ -23,9 +23,11 @@ Board names are the directory names in the `boards` folder.
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### Arduino Bootloader
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If your board has an existing Arduino bootloader on it then you can use bossac
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to flash MicroPython. After building run:
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to flash MicroPython. First, activate the bootloader. On Adafruit Feathers you
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can double click the reset button and the #13 will fade in and out. Finally,
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run bossac:
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tools/bossac_osx -e -w -v -b build-feather_m0_ble/firmware.bin
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tools/bossac_osx -e -w -v -b -R build-feather_m0_ble/firmware.bin
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### No Bootloader via GDB
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This method works for loading MicroPython onto the Arduino Zero via the

‎atmel-samd/tools/bossac_osx

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