import pyk8055
import time

k = pyk8055.k8055()
k.OpenDevice(0)

while 1:
	d = 0xF00
	for i in range(12):
		k.WriteAllDigital(d & 0xFF)
		time.sleep(0.1)
		d >>= 1

		v = 0xFF * i / 12
		k.OutputAnalogChannel(1, v)
		k.OutputAnalogChannel(2, 0xFF - v)