8000 SPI flash erasers: document and make available · Issue #172 · adafruit/circuitpython · GitHub
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SPI flash erasers: document and make available #172

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dhalbert opened this issue Jul 20, 2017 · 0 comments
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SPI flash erasers: document and make available #172

dhalbert opened this issue Jul 20, 2017 · 0 comments
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dhalbert commented Jul 20, 2017 •
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adafruit/Adafruit_SPIFlash#1 has source and UF2 versions of an SPI flash erase program for all current Express boards. Accept this pull request if appropriate, and make the .uf2's available somewhere, along with documentation for why and how to use them.

Brief doc:

If your host computer starts complaining that your CIRCUITPY drive is corrupted, you can erase it completely. When CircuitPython restarts it will create a fresh empty CIRCUITPY filesystem.

Warning: this will erase all your files in CIRCUITPY.

  1. Double-click the reset button.
  2. Copy the appropriate .uf2 to the xxxBOOT drive.
  3. The on-board NeoPixel will turn blue, indicating the erase has started.
  4. After about 15 seconds, the NexoPixel will start flashing green. If it flashes red, the erase failed.
  5. Double-click again and load the appropriate CircuitPython .uf2
@tannewt tannewt modified the milestone: Long term Aug 1, 2017
@tannewt tannewt self-assigned this Aug 31, 2017
@tannewt tannewt mentioned this issue Aug 31, 2017
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tannewt added a commit that referenced this issue Sep 1, 2017
@tannewt
docs: Add beginnings of troubleshooting doc.
544f5c3 
Fixes #172. Related to #214.
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