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USB Watchdog

Tags: Adapter Auto Restarter USB WatchDog do koparki BTC

Communication protocol

[238947.892900] usb 1-3.4: Product: USB2.0-Serial
[238947.899333] ch341 1-3.4:1.0: ch341-uart converter detected
[238947.906552] usb 1-3.4: ch341-uart converter now attached to ttyUSB0

Serial port parameters: 9600 8N1

Commands sent to watchdog (1 byte):

  • 1 - next expected kick in 10 seconds
  • 36 - next expected kick in 360 seconds
  • 255 - reset now

Daemon

https://github.com/niziak/usb-watchdog