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RD_VERSION = 0x00
SET_MODE = 0x01
READ = 0x02
WRITE = 0x03
WRITE_PORT = 0x04
PORT_IN = 0x05
PORT_OUT = 0x06
def getVersion(dev):
dev.send([RD_VERSION])
raw = dev.read(3)
return raw[1] + raw[2] * 256
def setMode(dev, pin, mode):
pin = pin - 1
msg = [SET_MODE, pin, mode]
dev.send(msg)
raw = dev.read(1)
return raw[0]
def read(dev, pin):
pin = pin - 1
msg = [READ, pin]
dev.send(msg)
raw = dev.read(2)
return raw[1]
def write(dev, pin, value):
pin = pin - 1
msg = [WRITE, pin, value]
dev.send(msg)
raw = dev.read(1)
return raw[0]
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