circuitpython/tests/pyb/uart.py

45 lines
854 B
Python
Raw Normal View History

from pyb import UART
# test we can correctly create by id
for bus in (-1, 0, 1, 2, 5, 6):
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))
# set rxbuf
uart.init(9600, rxbuf=8)
print(uart)
uart.init(9600, rxbuf=0)
print(uart)
# set read_buf_len (legacy, use rxbuf instead)
uart.init(9600, read_buf_len=4)
print(uart)
uart.init(9600, read_buf_len=0)
print(uart)