"The beginning of buffer in UART contains data."

[alexonpeace]

Flasher mode: BK7231N
Going to open port: COM3.
Serial port open!
Getting bus... (now, please do reboot by CEN or by power off/on)
Getting bus failed, will try again - 0/100!
Getting bus failed, will try again - 1/100!
Getting bus failed, will try again - 2/100!
Getting bus success!
Going to set baud rate setting (115200)!
failed with serial.BytesToRead 0 (expected 12)
The beginning of buffer in UART contains data.
Failed to set baud rate!
There was no result to save.

[evadim]

Looks like I have similar issue with BK7231T.
Read firmware fixed by increasing "cfg_readReplyStyle" from 0 to 5 on "UART Timeots" tab.
Writing fail after erasing (and looks like nothing happened as device works fine).

[vitezfh]

Thanks for documenting it here! Helped me a lot.