157 lines
3.8 KiB
Python
157 lines
3.8 KiB
Python
#!/usr/bin/env python3
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import usb.core
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import usb.util
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class Leds(object):
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"""
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Helper class with static attributes to select Luxafor leds.
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- All: All the leds.
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- Front: Front side of the flag.
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- Back: Back side of the flag.
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- Led#: Specific led number.
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+--------------------------+
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|6 3| |
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Front side|5 2|Back side |
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|4 1| |
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+----+
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"""
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ALL = 0xFF
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BACK = 0x41
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FRONT = 0x42
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LED1 = 0x01
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LED2 = 0x02
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LED3 = 0x03
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LED4 = 0x04
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LED5 = 0x05
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LED6 = 0x06
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class Packet(object):
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byte0 = 0
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byte1 = 0
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byte2 = None
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byte3 = None
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byte4 = None
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byte5 = None
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byte6 = None
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byte7 = None
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def get_byte(self, byte_num):
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return getattr(self, 'byte%d' % byte_num, None)
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def render(self):
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pkt = filter(
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lambda x: x is not None,
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(self.get_byte(n) for n in range(8)))
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return tuple(pkt)
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class Luxafor(object):
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VENDOR_ID = 0x04D8
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PRODUCT_ID = 0xF372
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DEVICE_ID = 1
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COLORS = {
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'red': 0x52,
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'green': 0x47,
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'blue': 0x42,
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'cyan': 0x43,
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'magenta': 0x4D,
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'yellow': 0x59,
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'white': 0x57,
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'off': 0x4F,
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}
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def __init__(self):
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device = usb.core.find(idVendor=self.VENDOR_ID,
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idProduct=self.PRODUCT_ID)
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if device is None:
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raise Exception('Device was not found.')
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try:
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device.set_configuration()
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except usb.core.USBError:
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# Prevent Resource busy errors
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device.detach_kernel_driver(0)
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device.set_configuration()
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self.device = device
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def set_basic_color(self, color):
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if color in self.COLORS:
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pkt = Packet()
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pkt.byte0 = 0
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pkt.byte1 = self.COLORS.get(color, 79)
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self.device.write(self.DEVICE_ID, pkt.render())
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def set_color(self, red=255, green=255, blue=255, led=Leds.ALL):
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pkt = Packet()
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pkt.byte0 = 1
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pkt.byte1 = led
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pkt.byte2 = red
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pkt.byte3 = green
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pkt.byte4 = blue
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self.device.write(self.DEVICE_ID, pkt.render())
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def fade(self, red=255, green=255, blue=255, led=Leds.ALL, speed=255):
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pkt = Packet()
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pkt.byte0 = 2
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pkt.byte1 = led
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pkt.byte2 = red
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pkt.byte3 = green
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pkt.byte4 = blue
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pkt.byte5 = speed
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self.device.write(self.DEVICE_ID, pkt.render())
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def strobe(self, red=255, green=255, blue=255, led=Leds.ALL,
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speed=6, repeat=1):
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pkt = Packet()
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pkt.byte0 = 3
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pkt.byte1 = led
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pkt.byte2 = red
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pkt.byte3 = green
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pkt.byte4 = blue
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pkt.byte5 = speed
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pkt.byte6 = 0
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pkt.byte7 = repeat
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self.device.write(self.DEVICE_ID, pkt.render())
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def wave(self, red=255, green=255, blue=255, wave=1, duration=2, repeat=1):
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pkt = Packet()
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pkt.byte0 = 4
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pkt.byte1 = wave
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pkt.byte2 = red
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pkt.byte3 = green
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pkt.byte4 = blue
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pkt.byte5 = 0
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pkt.byte6 = repeat
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pkt.byte7 = duration
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self.device.write(self.DEVICE_ID, pkt.render())
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def pattern(self, pattern=0, repeat=255):
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pkt = Packet()
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pkt.byte0 = 6
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pkt.byte1 = pattern
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pkt.byte2 = repeat
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self.device.write(self.DEVICE_ID, pkt.render())
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def turn_off(self):
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self.set_basic_color('off')
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