-class LPD8806:
- def __init__(self, bus, device, num_leds):
- self.spi = spidev.SpiDev()
- self.spi.open(bus, device)
- self.spi.mode=0b00
- self.spi.max_speed_hz=int(2e6)
- self.num_leds = num_leds
- self.latch()
- self.l = [(0, 0, 0)] * num_leds
- self.update()
-
- def set(self, i, red=0, green=0, blue=0):
- if red > 127 or green > 127 or blue > 127 or red < 0 or green < 0 or blue < 0:
- raise Exception("Bad RGB Value")
- self.l[i] = (red, green, blue)
-
- def latch(self):
- self.spi.writebytes([0x0 for i in range((self.num_leds+31)/32)])
-
- def update(self):
- l = []
- for i in range(self.num_leds):
- red, green, blue = self.l[i]
- l.append(0x80 | green)
- l.append(0x80 | red)
- l.append(0x80 | blue)
- self.spi.writebytes(l)
- self.latch()
-
-class MoveBase: