Ubuntu打开串口报错

Question

使用的是win10上的WSL，编译成功了，就是串口一直打不开，也烧录不了，win10的串口是COM2

Compiler version: 8.4.0
Python requirements from /home/chen/esp/ESP8266_RTOS_SDK/requirements.txt are satisfied.
MONITOR
--- idf_monitor on /dev/ttyS2 115200 ---
--- Quit: Ctrl+] | Menu: Ctrl+T | Help: Ctrl+T followed by Ctrl+H ---
Exception in thread Thread-2:
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/serial/serialposix.py", line 323, in _reconfigure_port
    orig_attr = termios.tcgetattr(self.fd)
termios.error: (5, 'Input/output error')

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.8/threading.py", line 932, in _bootstrap_inner
    self.run()
  File "/usr/lib/python3.8/threading.py", line 870, in run
    self._target(*self._args, **self._kwargs)
  File "/home/chen/esp/ESP8266_RTOS_SDK/tools/idf_monitor.py", line 136, in _run_outer
    self.run()
  File "/home/chen/esp/ESP8266_RTOS_SDK/tools/idf_monitor.py", line 225, in run
    self.serial.open()
  File "/usr/lib/python3/dist-packages/serial/serialposix.py", line 272, in open
    self._reconfigure_port(force_update=True)
  File "/usr/lib/python3/dist-packages/serial/serialposix.py", line 326, in _reconfigure_port
    raise SerialException("Could not configure port: {}".format(msg))
serial.serialutil.SerialException: Could not configure port: (5, 'Input/output error')

Answer 1

参考这篇https://xmzdi.blog.csdn.net/article/details/124176701?spm=1001.2014.3001.5502%EF%BC%8C%E5%B8%8C%E6%9C%9B%E5%AF%B9%E4%BD%A0%E6%9C%89%E6%89%80%E5%B8%AE%E5%8A%A9