1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
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.MASTER)
spi = SPI(1, SPI.MASTER, baudrate=500000)
spi = SPI(1, SPI.MASTER, 500000, polarity=1, phase=0, bits=8, firstbit=SPI.MSB, ti=False, crc=None)
print(str(spi)[:28], str(spi)[49:]) # don't print baudrate/prescaler
spi.init(SPI.SLAVE, 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.MASTER)
spi.send(1, timeout=100)
print(spi.recv(1, timeout=100))
print(spi.send_recv(1, timeout=100))
spi.deinit()
|
