Flashing and Logging
Flashing
Connect the device to PC, if using virtual machine, please map the serial port to the virtual machine
For Linux / Mac users, you need to enable serial port usage permissions, execute command
sudo usermod -aG dialout $USER
and restart the system
Flash the firmware using command tos.py flash, and select the flashing port
If there are multiple serial ports, you can try them one by one
❯ tos.py flash
[INFO]: Run Tuya Uart Tool.
[INFO]: Use default baudrate: [921600]
[INFO]: Use default start address: [0x00]
--------------------
1. /dev/ttyACM1
2. /dev/ttyACM0
--------------------
Select serial port: 2
[INFO]: Waiting Reset ...
[INFO]: unprotect flash OK.
[INFO]: sync baudrate 921600 success
Erasing: ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 100% 5 bytes/s 0:00:07 / 0:00:00
[INFO]: Erase flash success
Writing: ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╸ 100% 12 bytes/s ⠸ 0:00:38 / 0:00:01
[INFO]: Write flash success
[INFO]: CRC check success
[INFO]: Reboot done
[INFO]: Flash write success.
If you see Port [xxx] may be busy prompt
You can wait for about 1 minute and try again
For different virtual machines and serial port chips, the mapping process takes different time
Logging
View logs using command tos.py monitor, and select the log port
If you want to view complete logs, you can manually reset the device after the command
❯ tos.py monitor
[INFO]: Run Tuya Uart Tool.
--------------------
1. /dev/ttyACM1
2. /dev/ttyACM0
--------------------
Select serial port: 1
[INFO]: Open Monitor. (Quit: Ctrl+c)
[01-01 00:03:25 ty D][tuya_health.c:75] feed watchdog
[01-01 00:03:35 ty D][tuya_health.c:75] feed watchdog
[01-01 00:03:45 ty D][tuya_health.c:75] feed watchdog
[01-01 00:03:55 ty D][tuya_health.c:75] feed watchdog
Exit log viewing by pressing Ctrl+c, then press Enter
^C[INFO]: Press "Entry" ...
[INFO]: Monitor exit.
Common Issues
-
Flashing fails
Refer to Install the corresponding driver.