11.串口通信

闪电

'''实验名称：串口通信版本：v1.0日期：2019.10作者：01Studio说明：通过编程实现串口通信，跟电脑串口助手实现数据收发。'''
4 Q( t1 c! Y$ ~#导入串口模块from pyb import UART
6 P* y8 L$ d* e3 M& i2 Fuart=UART(3,115200) #设置串口号3和波特率,TX--Y9,RX--Y10
0 l' }5 E* `' T$ ]3 H- Y+ duart.write('Hello 01Studio!')#发送一条数据
while True:
' H, V- @, M% J+ T    #判断有无收到信息    if uart.any():              text=uart.read(64) #默认单次最多接收64字节               print(text) #通过REPL打印串口3接收的数据

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