def read(self):
try:
I2C.start_tx(self.__addr)
byte = I2C.read(1)
finally:
I2C.end_tx()
return byte
def __read(self):
# get data...
msb, lsb, config = I2C.read(3)
unsigned = (msb << 8) | lsb
# render voltage...
signed = struct.unpack('h', struct.pack('H', unsigned))
v = (signed[0] / 32767.5) * 2.048 / MCP342X.__GAIN[self.__gain]
return v, config