class APA102(Interface):
def __init__(self, numLed, global_brightness=AAPA102.MAX_BRIGHTNESS, order='rgb', bus=0, device=1, max_speed_hz=8000000, endFrame=255):
super(APA102, self).__init__(numLed)
self._leds = AAPA102(numLed, global_brightness=global_brightness, order=order, bus=bus, device=device, max_speed_hz=max_speed_hz, endFrame=endFrame)
try:
self._power = LED(5)
except:
try:
self._power = mraa.Gpio(12)
self._power.dir(mraa.DIR_OUT)
except:
self._logger.info('Device not using gpiozero or mraa, ignore power')
def setPixel(self, ledNum, red, green, blue, brightness):
self._leds.set_pixel(ledNum, red, green, blue, brightness)
def setPixelRgb(self, ledNum, color, brightness):
self._leds.set_pixel_rgb(ledNum, color, brightness)
def clearStrip(self):
self._leds.clear_strip()
def onStop(self):
super(APA102, self).onStop()
self.clearStrip()
self._leds.cleanup()
class APA102(Interface):
def __init__(self, hardware, global_brightness=AAPA102.MAX_BRIGHTNESS, order='rgb', bus=0, device=1, max_speed_hz=8000000, endFrame=255):
super(APA102, self).__init__(hardware['numberOfLeds'])
self._leds = AAPA102(hardware['numberOfLeds'], global_brightness=global_brightness, order=order, bus=bus, device=device, max_speed_hz=max_speed_hz, endFrame=endFrame)
try:
self._power = LED(5)
except:
try:
self._power = mraa.Gpio(5)
self._power.dir(mraa.DIR_OUT)
except Exception as e:
self._logger.info('Device not using gpiozero or mraa, ignore power: {}'.format(e))
self._hardware = hardware
self._src = None
if 'doa' in hardware and hardware['doa']:
self._logger.info('Hardware is DOA capable')
from libraries.seeedstudios.channel_picker import ChannelPicker
from libraries.seeedstudios.source import Source
lib = importlib.import_module('libraries.seeedstudios.' + hardware['doa'])
klass = getattr(lib, 'DOA')
self._src = Source(rate=hardware['rate'], channels=hardware['channels'])
ch0 = ChannelPicker(channels=self._src.channels, pick=0)
self._doa = klass(rate=hardware['rate'])
self._src.link(ch0)
self._src.link(self._doa)
def setPixel(self, ledNum, red, green, blue, brightness):
self._leds.set_pixel(ledNum, red, green, blue, brightness)
def setPixelRgb(self, ledNum, color, brightness):
self._leds.set_pixel_rgb(ledNum, color, brightness)
def clearStrip(self):
self._leds.clear_strip()
def onStart(self):
super().onStart()
if self._doa:
self._logger.info('Starting DOA')
self._src.recursive_start()
def onStop(self):
super().onStop()
self.clearStrip()
self._leds.cleanup()
if self._src:
self._src.recursive_stop()
def doa(self):
if self._doa:
try:
return self._doa.get_direction()
except:
pass
return 0
