ESPEasy: Difference between revisions
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* [https://www.az-delivery.de/products/copy-of-nodemcu-lua-amica-v2-modul-mit-esp8266-12e NodeMCU Lua Lolin V3 Module ESP8266 ESP-12F WIFI Wifi Development Board mit CH340] | * [https://www.az-delivery.de/products/copy-of-nodemcu-lua-amica-v2-modul-mit-esp8266-12e NodeMCU Lua Lolin V3 Module ESP8266 ESP-12F WIFI Wifi Development Board mit CH340] | ||
==Problems== | |||
<syntaxhighlight lang=bash> | |||
Oct 9 14:40:06 lollybook kernel: [372389.769039] usb 3-1.4.3: ch341-uart converter now attached to ttyUSB0 | |||
Oct 9 14:40:07 lollybook kernel: [372390.769995] usb 3-1.4.3: usbfs: interface 0 claimed by ch341 while 'brltty' sets config #1 | |||
Oct 9 14:40:07 lollybook kernel: [372390.771187] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0 | |||
Oct 9 14:40:07 lollybook kernel: [372390.771258] ch341 3-1.4.3:1.0: device disconnected | |||
</syntaxhighlight> | |||
I found this: | |||
* [https://unix.stackexchange.com/questions/670636/unable-to-use-usb-dongle-based-on-usb-serial-converter-chip Unable to use USB dongle based on USB-serial converter chip] | |||
<syntaxhighlight lang=bash> | |||
for f in /usr/lib/udev/rules.d/*brltty*.rules; do | |||
sudo ln -s /dev/null "/etc/udev/rules.d/$(basename "$f")" | |||
done | |||
sudo udevadm control --reload-rules | |||
</syntaxhighlight> | |||
But I also had to disable the brltty-udev.service | |||
<syntaxhighlight lang=bash> | |||
$ sudo systemctl stop brltty-udev.service | |||
$ sudo systemctl mask brltty-udev.service | |||
Created symlink /etc/systemd/system/brltty-udev.service → /dev/null. | |||
</syntaxhighlight> | |||
After disabling brltty I finally got: | |||
<syntaxhighlight lang=bash> | |||
Oct 9 14:41:30 lollybook kernel: [372473.985072] ch341 3-1.4.3:1.0: ch341-uart converter detected | |||
Oct 9 14:41:30 lollybook kernel: [372473.987063] usb 3-1.4.3: ch341-uart converter now attached to ttyUSB0 | |||
</syntaxhighlight> | |||
Revision as of 13:47, 9 October 2022
$ sudo apt install --yes esptool
$ wget https://github.com/letscontrolit/ESPEasy/releases/download/mega-20200515/ESPEasy_mega-20200515.zip
$ esptool --port /dev/ttyUSB0 --baud 115200 write_flash 0 ESP_Easy_mega_20200516_test_beta_ESP8266_4M1M.bin
esptool.py v2.8
Serial port /dev/ttyUSB0
Connecting...
Detecting chip type... ESP8266
Chip is ESP8266EX
Features: WiFi
Crystal is 26MHz
MAC: 3c:71:bf:2a:a6:0b
Enabling default SPI flash mode...
Configuring flash size...
Auto-detected Flash size: 4MB
Erasing flash...
Took 2.33s to erase flash block
Writing at 0x000dbc00... (87 %)
Problems
Oct 9 14:40:06 lollybook kernel: [372389.769039] usb 3-1.4.3: ch341-uart converter now attached to ttyUSB0
Oct 9 14:40:07 lollybook kernel: [372390.769995] usb 3-1.4.3: usbfs: interface 0 claimed by ch341 while 'brltty' sets config #1
Oct 9 14:40:07 lollybook kernel: [372390.771187] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
Oct 9 14:40:07 lollybook kernel: [372390.771258] ch341 3-1.4.3:1.0: device disconnected
I found this:
for f in /usr/lib/udev/rules.d/*brltty*.rules; do
sudo ln -s /dev/null "/etc/udev/rules.d/$(basename "$f")"
done
sudo udevadm control --reload-rules
But I also had to disable the brltty-udev.service
$ sudo systemctl stop brltty-udev.service
$ sudo systemctl mask brltty-udev.service
Created symlink /etc/systemd/system/brltty-udev.service → /dev/null.
After disabling brltty I finally got:
Oct 9 14:41:30 lollybook kernel: [372473.985072] ch341 3-1.4.3:1.0: ch341-uart converter detected
Oct 9 14:41:30 lollybook kernel: [372473.987063] usb 3-1.4.3: ch341-uart converter now attached to ttyUSB0
