micropython/tests/pyb/spi.py

36 wiersze
833 B
Python

from pyb import SPI
# test we can correctly create by id
for bus in (-1, 0, 1, 2):
try:
SPI(bus)
print("SPI", bus)
except ValueError:
print("ValueError", bus)
spi = SPI(1)
print(spi)
spi = SPI(1, SPI.CONTROLLER)
spi = SPI(1, SPI.CONTROLLER, baudrate=500000)
spi = SPI(
1, SPI.CONTROLLER, 500000, polarity=1, phase=0, bits=8, firstbit=SPI.MSB, ti=False, crc=None
)
print(str(spi)[:32], str(spi)[53:]) # don't print baudrate/prescaler
spi.init(SPI.PERIPHERAL, phase=1)
print(spi)
try:
# need to flush input before we get an error (error is what we want to test)
for i in range(10):
spi.recv(1, timeout=100)
except OSError:
print("OSError")
spi.init(SPI.CONTROLLER)
spi.send(1, timeout=100)
print(spi.recv(1, timeout=100))
print(spi.send_recv(1, timeout=100))
spi.deinit()