def getFlag(self):
flag = b''
with spi.SPIDevice(0) as spi0:
# Get only first char
spi0.transaction(
spi.writing_bytes(ord('_')))
sleep(0.5)
while 1:
raw = spi0.transaction(spi.reading(1))
#print(raw)
c = raw[0]
if c == b'\x00':
break
flag += c
print(flag)
def read(self):
'''Reads 32 bits of the SPI bus for processing and stores as 32-bit bitstring.'''
raw_spi = self.spi.transaction(Spibus.reading(4))
self.data = Bits(bytes=raw_spi[0], length=32)
self.checkErrors()