1
2# coding=utf-8
3# This is a sample Python script.
4import utime
5from driver import UART
6
7print("-------------------uart test--------------------")
8print("-----How to test: connect PIN10 and PIN12-------")
9uart = UART();
10uart.open("serial2")
11utime.sleep_ms(1000)
12uart.setBaudRate(9600)
13writeBuf  = bytearray([0x41, 0x42, 0x43, 0x44]);
14for i in range(10):
15    uart.write(writeBuf)
16    utime.sleep_ms(1000)
17    readBuf = bytearray(4)
18    recvSize = uart.read(readBuf)
19    utime.sleep_ms(100)
20    print(recvSize)
21    print(readBuf)
22uart.close()
23