micro Python 多线程串口例子

很高兴回答您的问题。以下是一些micro Python多线程串口示例的代码：

import uos, ustruct, utime
import uos, uio
import _thread
import time

#Class for handling the serial port
class SerialPort:
    def __init__(self, uart, baudrate, bytesize=8, parity=None, stopbits=1, timeout=2000):
        self.uart = uart
        self.uart.init(baudrate=baudrate, bits=bytesize, parity=parity, stop=stopbits)
        self.rx_buf = bytearray()
        self.rx_timeout = timeout
        self.rx_event = _thread.allocate_lock()
        self.rx_event.acquire()

    def rx_irq(self):
        self.rx_buf += self.uart.read(1024)

    def rx_poll(self):
        while True:
            utime.sleep_ms(10)
            if len(self.rx_buf):
                self.rx_event.release()

    def read(self):
        self.rx_event.acquire()
        data = bytes(self.rx_buf)
        self.rx_buf = bytearray()
        return data

    def write(self, buf):
        return self.uart.write(buf)

#Thread function for sending data
def send_thread(serial):
    while True:
        serial.write(b'Test Message ')
        time.sleep(1)

#Thread function for receiving data
def recv_thread(serial):
    while True:
        data = serial.read()
        if data:
            print(str(data))

#Initialize the serial port
uart = machine.UART(0, 115200)
serial = SerialPort(uart, 115200)

#Create the threads for sending and receiving data
_thread.start_new_thread(send_thread, (serial,))
_thread.start_new_thread(recv_thread, (serial,))

希望这个示例能对你有所帮助！如果您有任何疑问或需要更多帮助，请告诉我。