def offExpander():
from i2c import I2C
i2cpath = request.query['i2cpath']
i2c = I2C(i2cpath)
msgs = [I2C.Message([0x00, 0x00], read=False)]
i2c.transfer(0x20, msgs)
i2c.close()
return msgs[1].data[0]
def measureDistance():
from i2c import I2C
i2cpath = request.query['i2cpath']
i2c = I2C(i2cpath)
msgs = [I2C.Message([0xFF, 0xFF], read=False)]
i2c.transfer(0x20, msgs)
i2c.close()
return msgs[1].data[0]
def setPinOn():
from i2c import I2C
i2cpath = request.query['i2cpath']
pinNo = request.query['pinNo']
i2c = I2C(i2cpath)
msgs = [I2C.Message([0xFF, 0xFF], read=True)]
i2c.transfer(0x20, msgs)
array1 = msgs[1].data[0]
array2 = msgs[1].data[1]
if pinNo.find('A') == -1:
print('A')
pinNo = pinNo.replace('A', '')
else:
print('B')
i2c.close()
return msgs[1].data[0]