def __init__(self, port):
if (port>1):
sys.stderr.write("Error! PowerModule can be only on ports 0 or 1")
else :
self.spi = SPILib(0) # init SPI on port 0 (pins : 2,3,4)
if (port==0):
self.latchPin = 5
else :
self.latchPin = 13
self.output = 0
# Pin mapping
self.mapping = [8, 9, 10, 11, 12, 13, 14, 15, 0, 1, 2, 3, 4, 5, 6, 7]
