5. Q&A

[中文]

5.1. Serial Port Error

Serial port not connected or insufficient USB HUB power supply can cause this error. Please troubleshoot from the following aspects:

  1. Make sure the computer has properly recognized the serial port

  2. No other serial port tools have opened this serial port

  3. USB HUB power supply is normal

2024-12-17 15:20:31,926 ERROR   # connect serial COM33 fail.
2024-12-17 15:20:31,926 ERROR   # Traceback (most recent call last):
File "utils\serial_utils.py", line 37, in connect
File "serial\serialwin32.py", line 31, in __init__
File "serial\serialutil.py", line 240, in __init__
File "serial\serialwin32.py", line 62, in open
serial.serialutil.SerialException: could not open port 'COM33': FileNotFoundError(2, '系统找不到指定的文件。', None, 2)

serial.serialutil.SerialException: WriteFile failed (PermissionError(13, '拒绝访问。', None, 5))

5.2. Long Calibration Time

The calibration process involves adjusting the crystal register value. The closer the default crystal register value in the configuration file is to the final calibrated value, the shorter the calibration time.

Before calibrating a large number of modules, it is recommended to calibrate one module first. Then set the calibrated crystal register value as the Default Reg value.