使用说明

使用VSPD建立一组虚拟串口

查看MCU的端口号与波特率并修改python程序配置，运行即可看到双方收发的效果

通过串口助手连接到虚拟串口并向其发送消息
即Python显示MCU端发给串口助手的消息，并显示串口助手发送至MCU的消息，中间使用VSPD与Python进行消息互转与打印。

Python监听串口收发双方程序

import serial
import threading
'''
通过监听MCU端与PC上位机软件的通讯，打印双方收发的消息

'''

mcu_serial_config = {"MCU_serial": "COM19", "baud_rate": 115200}

vspd_serial_config = {"VSPD_A": "COM10", "VSPD_B": "COM11"}


class SerialLog:

    def __init__(self, serial_config_dic, vspd_config=None):
        if vspd_config == None:
            vspd_config = {"VSPD_A": "COM10", "VSPD_B": "COM11"}

        self.mcu_serial_num = serial_config_dic["MCU_serial"]
        self.baud_rate = serial_config_dic["baud_rate"]
        self.mcu_serial = serial.Serial(self.mcu_serial_num, self.baud_rate)
        self.vspd_serial = serial.Serial(vspd_config["VSPD_A"], self.baud_rate)
        # 创建两个线程
        try:
            threading.Thread(target=self.listing_mcu).start()
            threading.Thread(target=self.listing_vspd).start()
        except:
            print(f"Error: 无法启动线程\n")
        # 循环
        while 1:
            pass

# 监听MCU端串口信息

    def listing_mcu(self):
        try:
            while 1:
                if not self.mcu_serial.isOpen():
                    continue
                data_size = self.mcu_serial.in_waiting
                if data_size < 1:
                    continue
                data = self.mcu_serial.read(data_size)
                print(f'MCU:{data}')
                self.vspd_serial.write(data)
        finally:
            print("Done")


# 监听VSPD端串口信息

    def listing_vspd(self):
        try:
            while 1:
                if not self.vspd_serial.isOpen():
                    continue
                data_size = self.vspd_serial.in_waiting
                if data_size < 1:
                    continue
                data = self.vspd_serial.read(data_size)
                print(f'VSPD:{data}')
                self.mcu_serial.write(data)
        finally:
            print("Done")

if __name__ == '__main__':
    print('Begining')

    app = SerialLog(mcu_serial_config, vspd_serial_config)