python串口收发数据简单DEMO

安装方式

pip install pyserial

python串口收发数据简单DEMO

import serial
import time
from datetime import datetime
import threading


# 开启com12口，波特率115200，超时15s
ser = serial.Serial("COM12", 115200, timeout=15)
ser.flushInput()


def timestamp_convert_realtime(ts):
    return str(datetime.fromtimestamp(float(ts)))


def receive_serial_data():
    while True:
        # 获取串口缓冲区数据
        count = ser.inWaiting()
        if count != 0:
            # 读出串口数据
            recv = ser.readline().decode()
            print(timestamp_convert_realtime(time.time()), "    ", recv)
            # print(recv)
            time.sleep(0.1)


def send_serial_data():
    ser.write("ls /usrdata\n".encode('utf-8'))


if __name__ == '__main__':
    t1 = threading.Thread(target=receive_serial_data)
    t1.start()
    send_serial_data()

参考链接

仓库地址：https://github.com/pyserial/pyserial

官方文档：https://pyserial.readthedocs.io/en/latest/index.html