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esp8266/README: Add short troubleshooting section.

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Paul Sokolovsky 2016-04-07 00:21:04 +03:00
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commit d85439fd19
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esp8266/README.md
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@ -70,3 +70,19 @@ $ make PORT=/dev/ttyUSB0 deploy
```
The image produced is `firmware-combined.bin`, to be flashed at 0x00000.
Troubleshooting
---------------
While the port is still in alpha, it's known to be generally stable. If you
experience strange bootloops, crashes, lockups, here's a list to check against:
- You didn't erase flash before programming MicroPython firmware.
- Firmware can be occasionally flashed incorrectly. Just retry. Recent
esptool.py versions have --verify option.
- Power supply you use doesn't provide enough power for ESP8266 or isn't
stable enough.
- A module/flash may be defective (not unheard of for cheap modules).
Please consult dedicated ESP8266 forums/resources for hardware-related
problems.