from pyb import UART # test we can correctly create by id or name for bus in (-1, 0, 1, 2, 3, 4, 5, 6, 7, "XA", "XB", "YA", "YB", "Z"): try: UART(bus, 9600) print("UART", bus) except ValueError: print("ValueError", bus) uart = UART(1) uart = UART(1, 9600) uart = UART(1, 9600, bits=8, parity=None, stop=1) print(uart) uart.init(2400) print(uart) print(uart.any()) print(uart.write('123')) print(uart.write(b'abcd')) print(uart.writechar(1)) # make sure this method exists uart.sendbreak() # non-blocking mode uart = UART(1, 9600, timeout=0) print(uart.write(b'1')) print(uart.write(b'abcd')) print(uart.writechar(1)) print(uart.read(100))