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By lumpynose
Debian Linux. How can I use MicroPython with this card? If I follow their instructions for installing MicroPython the first step fails:
Code: Select all
$ esptool --chip esp32 --port /dev/ttyUSB0 erase_flash v2.5.1
Serial port /dev/ttyUSB0
Chip is ESP32D0WDQ6 (revision 1)
Features: WiFi, BT, Dual Core, 240MHz, VRef calibration in efuse
MAC: 24:6f:28:8f:5b:f8
Enabling default SPI flash mode...
Erasing flash (this may take a while)...

A fatal error occurred: ESP32 ROM does not support function erase_flash.
User avatar
By lumpynose
Let me put a hold on this question. I looked on the MicroPython forums and it looks like the problem is esptool; I need to try the latest one instead of the older version that I installed (from the Debian repo).
User avatar
By lumpynose
The newest version of fixed it. Version 3.0. :)

Flashed the board with MicroPython and a test program works.

I don't know if this is typical, but I also need to pulse DTR before using when the board has been just powered on. I do that with picocom and use its C-a C-p.
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