Python读MCU串口

将Jupyter Notebook(.ipynb)文件转换为Python(.py)文件的3种方法_python_脚本之家

#!/usr/bin/env python
# coding: utf-8

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import sys
import serial
import threading
from datetime import datetime

input_flag = 0

class UART(object):
    def __init__(self,port,baud):
#         print("初始化")
        self.err = 0
        try:
            self.serial = serial.Serial(port,baud)
            print("串口连接成功")
        except:
            print("串口连接失败")
            self.err =  -1;
    def uart_rev_wait(self):
        print("开始接收")
#         串口接收
        while(True):
            try:
                rev_data = self.serial.readline()
#                 text = "当前时间"
                now = datetime.now()
                formatted_str = now.strftime('%Y-%m-%d %H:%M:%S')
                data = formatted_str +"------"+ "串口数据:"+ rev_data.decode();
#         print("DEV_NUM:"+port)
                print(data)
            except:
                print("接收数据失败")
        
    def uart_rev_start(self):
        print("创建接收线程")
        thread = threading.Thread(target=self.uart_rev_wait,daemon = True)
        thread.start()


if __name__ == '__main__':
#     print("主线程")
    uart0 = UART("COM27",115200)
    if(0==uart0.err):
        print("init UART success")
        uart0.uart_rev_start()
    
    while(True):
#         print("主线程runing")
        if(input_flag == 1):
            break;
        
    print("exit")

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