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Uploading
cloudzhou edited this page Nov 10, 2014
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1 revision
Uploading code to the module
To upload to the module configure the following pins
| Pin | Level |
|---|---|
| CH_PD | High |
| GPIO0 | Low |
| GPIO2 | High |
| Pinout is in [[Hardware versions | Hardware_versions]] |
Use python 2.7.8 NOT python 3! https://www.python.org/downloads/
Install lib: pyserial-2.7 http://pyserial.sourceforge.net/pyserial.html
use command ..... --port COM3 ...... under windows.
This will upload the first part of the software to the esp
esptool.py --port /dev/ttyUSB0 write_flash 0x00000 0x00000.bin
This will upload the second part (sometimes a reset is needed)
esptool.py --port /dev/ttyUSB0 write_flash 0x40000 0x40000.bin
There are some cases that the upload fails with "Failed to leave Flash mode" this is normal your upload went without issues.