MicroPython串口通讯

from machine import Pin, UART

uart = UART(2,baudrate=115200)
while True:
	if uart.any():
		msg = uart.read(128)
        try:
        	str_msg = msg.decode('utf-8')
            if str_msg == 'get_msg':
				 print('我收到了')
                 uart.write('我收到了')
            else:
                uart.write("你好！".encode("utf-8"))
                uart.write("你好！")
                print("指令错误！")
         except Exception as e:
         	print("串口连接参数异常！波特率：115200，数据位：8，停止位：1，校验位：无")
            print("Error:", e)