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docs/esp8266/tutorial: Change flash mode from dio to dout.

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For some boards, even -fm dio is too fast and they require -fm dout.  This
commit links to the esptool wiki about available flash modes and changes
dio to dout.
This commit is contained in:
finefoot 2021-06-28 23:36:01 +02:00 committed by Damien George
parent cd506d6220
commit e10a044d7c
1 changed files with 5 additions and 3 deletions
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8
docs/esp8266/tutorial/intro.rst
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@ -109,10 +109,12 @@ PC. You may also need to reduce the baudrate if you get errors when flashing
that you have.
For some boards with a particular FlashROM configuration (e.g. some variants of
a NodeMCU board) you may need to use the following command to deploy
the firmware (note the ``-fm dio`` option)::
a NodeMCU board) you may need to manually set a compatible
`SPI Flash Mode <https://github.com/espressif/esptool/wiki/SPI-Flash-Modes>`_.
You'd usually pick the fastest option that is compatible with your device, but
the ``-fm dout`` option (the slowest option) should have the best compatibility::
esptool.py --port /dev/ttyUSB0 --baud 460800 write_flash --flash_size=detect -fm dio 0 esp8266-20170108-v1.8.7.bin
esptool.py --port /dev/ttyUSB0 --baud 460800 write_flash --flash_size=detect -fm dout 0 esp8266-20170108-v1.8.7.bin
If the above commands run without error then MicroPython should be installed on
your board!