def start(self):
"""This method does the actual work."""
try:
strip = apa102.APA102(num_led=self.num_led,
global_brightness=self.global_brightness,
mosi=self.MOSI,
sclk=self.SCLK,
order=self.order) # Initialize the strip
self.init(strip, self.num_led) # Call the subclasses init method
strip.show()
current_cycle = 0
continue_loop = 1
while modes[mode_number] == "theater_chase":
for current_step in range(self.num_steps_per_cycle):
continue_loop = self.update(strip, self.num_led,
self.num_steps_per_cycle,
current_step, current_cycle)
if modes[mode_number] == "theater_chase":
strip.show() # repaint if required
else:
break
time.sleep(self.pause_value) # Pause until the next step
except KeyboardInterrupt:
print('Interupted...')
self.cleanup(strip)
def __init__(self,
pin_fancontrol=18,
pin_button=17,
button_poll_delay=0.05,
disable_button=False,
disable_led=False):
"""FAN Shim.
:param pin_fancontrol: BCM pin for fan on/off
:param pin_button: BCM pin for button
"""
self._pin_fancontrol = pin_fancontrol
self._pin_button = pin_button
self._poll_delay = button_poll_delay
self._button_press_handler = None
self._button_release_handler = None
self._button_hold_handler = None
self._button_hold_time = 2.0
self._t_poll = None
self._disable_button = disable_button
self._disable_led = disable_led
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
GPIO.setup(self._pin_fancontrol, GPIO.OUT)
if not self._disable_button:
GPIO.setup(self._pin_button, GPIO.IN, pull_up_down=GPIO.PUD_UP)
if not self._disable_led:
self._led = apa102.APA102(1, 15, 14, None, brightness=0.05)
atexit.register(self._cleanup)
def __init__(self, dueros):
self.namespace = "ai.dueros.device_interface.thirdparty.speaker.led"
self.dueros = dueros
self.power = LED(5)
self.power.on()
self.dev = apa102.APA102(num_led=self.PIXELS_N)
self.dev.clear_strip()
def start(self):
try:
strip = apa102.APA102(numLEDs=self.numLEDs,
globalBrightness=self.globalBrightness,
order=self.order) # Initialize the strip
strip.clearStrip()
self.init(strip, self.numLEDs) # Call the subclasses init method
strip.show()
currentCycle = 0
while True: # Loop forever (no 'for' here due to the possibility of infinite loops)
for currentStep in range(self.numStepsPerCycle):
needRepaint = self.update(
strip, self.numLEDs, self.numStepsPerCycle,
currentStep,
currentCycle) # Call the subclasses update method
if (needRepaint): strip.show() # Display, only if required
time.sleep(self.pauseValue) # Pause until the next step
currentCycle += 1
if (self.numCycles != -1):
if (currentCycle >= self.numCycles): break
# Finished, cleanup everything
self.cleanup(strip)
except KeyboardInterrupt: # Ctrl-C can halt the light program
print('Interrupted...')
self.cleanup(strip)
def process_json(message):
strip = apa102.APA102(machine.Pin(APA102_PIN_CI),
machine.Pin(APA102_PIN_DI),
APA102_PIXELS)
parsed = ujson.loads(message)
if 'r' not in parsed:
parsed['r'] = DEFAULT_REPEAT
if 's' not in parsed:
parsed['s'] = DEFAULT_SLEEP
for _ in range(parsed['r']):
for frame in parsed['f']:
if isinstance(frame, int):
for _ in range(frame):
time.sleep(parsed['s'])
else:
strip.fill([0, 0, 0, 0])
i = 0
for pixel in frame:
if isinstance(pixel, int):
# repeat pixel mode
last_pixel = strip[i - 1] if i >= 1 else (0, 0, 0, 0)
for _ in range(pixel):
strip[i] = last_pixel
i += 1
else:
strip[i] = pixel
i += 1
strip.write()
time.sleep(parsed['s'])
strip.fill([0, 0, 0, 0])
strip.write()
def __init__(self, num_pixels, num_rows=1, brightness=31):
super().__init__(num_pixels, num_rows)
"""Creates an APA102-based output device
Parameters
----------
pixels: int
Number of LED strip pixels
brightness: int, optional
Global brightness
"""
try:
import apa102
except ImportError as e:
url = 'https://github.com/tinue/APA102_Pi'
logger.error('Could not import the apa102 library')
logger.error('For installation instructions, see {}'.format(url))
raise e
self._strip = apa102.APA102(
numLEDs=num_pixels,
globalBrightness=brightness) # Initialize the strip
led_data = np.array(self._strip.leds, dtype=np.uint8)
# memoryview preserving the first 8 bits of LED frames (w/ global brightness)
self._strip.leds = led_data.data
# 2D view of led_data
self.led_data = led_data.reshape((num_pixels, 4)) # or (-1, 4)
def start(self):
"""This method does the actual work."""
try:
strip = apa102.APA102(num_led=self.num_led,
global_brightness=self.global_brightness,
mosi=self.mosi,
sclk=self.sclk,
order=self.order) # Initialize the strip
strip.clear_strip()
self.init(strip, self.num_led) # Call the subclasses init method
strip.show()
current_cycle = 0
while True: # Loop forever
for current_step in range(self.num_steps_per_cycle):
need_repaint = self.update(strip, self.num_led,
self.num_steps_per_cycle,
current_step, current_cycle)
if need_repaint:
strip.show() # repaint if required
time.sleep(self.pause_value) # Pause until the next step
current_cycle += 1
if self.num_cycles != -1:
if current_cycle >= self.num_cycles:
break
# Finished, cleanup everything
self.cleanup(strip)
except KeyboardInterrupt: # Ctrl-C can halt the light program
print('Interrupted...')
self.cleanup(strip)
def startLoop(self):
self.strip = apa102.APA102(numLEDs=self.numLEDs,
globalBrightness=self.globalBrightness,
order=self.order) # Initialize the strip
self.strip.clearStrip()
self.init(self.strip, self.numLEDs) # Call the subclasses init method
self.strip.show()
self.currentCycle = 0
def __init__(self, width=8, height=1, cascaded=1):
self.strip = apa102.APA102(machine.Pin(5), machine.Pin(4),
width * height * cascaded)
self.width = width
self.height = height
self.cascaded = cascaded
self.intesity = 1
self.backcolor = (0, 0, 0)
def test_setup_spi(GPIO, spidev):
import apa102
lights = apa102.APA102(3, 10, 11, 8)
spidev.SpiDev.assert_has_calls((mock.call(0, 0), ))
del lights
def __init__(self):
self.dev = apa102.APA102(num_led=self.PIXELS_N)
self.power = LED(5)
self.power.on()
self.thread = threading.Thread(target=self._run)
self.thread.daemon = True
self.thread.start()
def __init__(self):
self.power = LED(5)
self.power.on()
# Initialize the library and the strip
self.strip = apa102.APA102(num_led=12, global_brightness=31)
# Turn off all pixels (sometimes a few light up when the strip gets power)
self.strip.clear_strip()
def __init__(self, pattern=GoogleHomeLedPattern):
self.pattern = pattern(show=self.show)
self.dev = apa102.APA102(num_led=self.PIXELS_N)
self.power = LED(5)
self.power.on()
self.queue = Queue.Queue()
self.t4 = threading.Thread(target=self._run)
self.t4.daemon = True
self.t4.start()
self.last_direction = None
def __init__(self):
self.basis = [0] * 3 * self.PIXELS_N
self.basis[3], self.basis[4] = 2, 2
self.colors = [0] * 3 * self.PIXELS_N
self.dev = apa102.APA102(num_led=self.PIXELS_N)
self.next = threading.Event()
self.queue = Queue.Queue()
self.thread = threading.Thread(target=self._run)
self.thread.daemon = True
self.thread.start()
def __init__(self, pattern=AlexaLedPattern):
self.pattern = pattern(show=self.show)
self.dev = apa102.APA102(num_led=self.PIXELS_N)
self.queue = Queue.Queue()
self.thread = threading.Thread(target=self._run)
self.thread.daemon = True
self.thread.start()
self.last_direction = None
def _configure(self):
"""
Configure module
"""
#configure button
if self._get_config_field(u'button_gpio_uuid') is None:
self.__configure_button()
#play blink green at startup
if self.seeed2mic_driver.is_installed():
self.leds_driver = apa102.APA102(num_led=3)
self.play_leds_profile(self.LEDS_PROFILE_BLINK_GREEN)
def test_setup_gpio_inverted(GPIO, spidev):
import apa102
lights = apa102.APA102(3, 2, 3, 4, invert=True)
GPIO.setmode.assert_has_calls((mock.call(GPIO.BCM), ))
GPIO.setup.assert_has_calls(
(mock.call(2, GPIO.OUT,
initial=1), mock.call(3, GPIO.OUT,
initial=1), mock.call(4, GPIO.OUT)))
del lights
def test_setup_force_gpio(GPIO, spidev):
import apa102
lights = apa102.APA102(3, 10, 11, 8, force_gpio=True)
GPIO.setmode.assert_has_calls((mock.call(GPIO.BCM), ))
GPIO.setup.assert_has_calls(
(mock.call(10, GPIO.OUT,
initial=0), mock.call(11, GPIO.OUT,
initial=0), mock.call(8, GPIO.OUT)))
del lights
def start_server():
global LED_colourBuffer, led
try:
led = apa102.APA102(1, 15, 14, None, brightness=0.05)
except:
pass
while True:
try:
colour = LED_colourBuffer.get()
setLedColour(colour)
except KeyboardInterrupt:
break
except:
pass
def test_show_gpio(GPIO, spidev):
import apa102
lights = apa102.APA102(3, 10, 11, 8, force_gpio=True)
lights.set_pixel(0, 255, 0, 0)
lights.set_pixel(1, 0, 255, 0)
lights.set_pixel(2, 0, 0, 255)
lights.show()
assert GPIO.output.call_count == 4898 # Count of pin transitions
del lights
def __init__(self, pattern=MagicEcoLedPattern):
self.pattern = pattern(show=self.show, show_odd_pixel=self.show_odd_pixel)
self.dev = apa102.APA102(num_led=self.PIXELS_N)
self.power = LED(5)
self.power.on()
self.queue = Queue.Queue()
self.thread = threading.Thread(target=self._run)
self.thread.daemon = True
self.thread.start()
self.last_direction = None
def test_setup_gpio(GPIO, spidev):
import apa102
lights = apa102.APA102(3, 2, 3, 4)
GPIO.setmode.assert_has_calls((
mock.call(GPIO.BCM),
))
GPIO.setup.assert_has_calls((
mock.call([2, 3], GPIO.OUT),
mock.call(4, GPIO.OUT)
))
del lights
def test_show_spi(GPIO, spidev):
import apa102
lights = apa102.APA102(3, 10, 11, 8)
spidev.SpiDev.assert_has_calls((mock.call(0, 0), ))
lights.set_pixel(0, 255, 0, 0)
lights.set_pixel(1, 0, 255, 0)
lights.set_pixel(2, 0, 0, 255)
lights.show()
spidev.SpiDev(0, 0).xfer3.assert_has_calls((mock.call(lights._buf), ))
del lights
def start(self):
"""This method does the actual work."""
# If there are no updaters, then revert to the old inheritence-based behavior.
if len(self.updaters) == 0:
self.updaters.append(self.update)
try:
strip = apa102.APA102(num_led=self.num_led,
global_brightness=self.global_brightness,
mosi=self.mosi,
sclk=self.sclk,
order=self.order) # Initialize the strip
strip.clear_strip()
self.init(strip, self.num_led) # Call the subclasses init method
strip.show()
current_cycle = 0
next_time = time.time()
end_time = next_time + self.duration_s if self.duration_s > 0 else None
while True: # Loop forever
for current_step in range(self.num_steps_per_cycle):
need_repaint = sum(
(update(strip, self.num_led, self.num_steps_per_cycle,
current_step, current_cycle)
for update in self.updaters))
time.sleep(max(0, next_time - time.time()))
next_time += self.pause_value
if need_repaint:
strip.show() # repaint if required
if end_time and time.time() > end_time:
break
if end_time and time.time() > end_time:
break
time.sleep(max(0, next_time - time.time())) # Final hold
current_cycle += 1
if self.num_cycles != -1 and current_cycle >= self.num_cycles:
break
# Finished, cleanup everything
self.cleanup(strip)
except KeyboardInterrupt: # Ctrl-C can halt the light program
print('Interrupted...')
self.cleanup(strip)
raise
def __init__(self, pattern=GoogleHomeLedPattern):
self.pattern = pattern(show=self.show)
#这个是驱动程序，apa102为led的驱动程序
self.dev = apa102.APA102(num_led=self.PIXELS_N)
#配置led灯的引脚号，这里是5,不可改变
self.power = LED(5)
self.power.on()
self.queue = Queue.Queue()
#创建一个线程
#target为需要线程去执行的方法名
#args参数为线程执行方法接收的参数，该属性是一个元组，如果只有一个参数也需要在末尾加
#逗号
self.thread = threading.Thread(target=self._run)
#开启线程的守护进程，设置为True
self.thread.daemon = True
#启动这个线程
self.thread.start()
#这里记录最后一次的方位，这个4mic通过这个参数定位声音来源的方位
self.last_direction = None
def background(arg):
global running, lights, new_data, numLEDs
strip = apa102.APA102(numLEDs=numLEDs, globalBrightness=15, order="rgb") # Initialize the strip
strip.clearStrip()
strip.show()
while running:
if(new_data):
try:
for i in range(0, numLEDs):
strip.setPixelRGB(i,lights[i])
new_data = False
strip.show()
except:
import traceback
print(traceback.format_exc())
print("Failed to run")
else:
sleep(0.03)
strip.cleanup()
def __init__(self, num_pixels, visualize_only=False, visualizer_obj=None):
self.buffer_lock = threading.Lock()
self.data_segments = []
self.end_colors = {
0: (0xFF, 0xFF, 0xFF),
1: (0xF5, 0xE7, 0xE7),
2: (0xEC, 0xD0, 0xD0),
3: (0xE3, 0xB9, 0xB9),
4: (0xD9, 0xA2, 0xA2),
5: (0xD0, 0x8B, 0x8B),
6: (0xC7, 0x73, 0x73),
7: (0xBE, 0x5C, 0x5C),
8: (0xB4, 0x45, 0x45),
9: (0xAB, 0x2E, 0x2E),
10: (0xA2, 0x17, 0x17),
11: (0x99, 0, 0)
}
self.interpolated_loudness_buffer = []
self.interpolated_pitch_buffer = []
self.num_pixels = num_pixels
self.permission_scopes = "user-modify-playback-state user-read-currently-playing user-read-playback-state"
self.playback_pos = 0
self.pos_lock = threading.Lock()
self.should_terminate = False
self.sp_gen = self.sp_load = self.sp_skip = self.sp_sync = self.sp_vis = None
self.start_color = (0, 0, 255)
if not visualize_only:
self.strip = apa102.APA102(num_led=num_pixels,
global_brightness=23,
mosi=10,
sclk=11,
order='rgb')
else:
self.strip = visualizer_obj
self.track = None
self.track_duration = None
import apa102 import time pixels = apa102.APA102(num_led=3) pixels.set_pixel(0, 255, 0, 0) pixels.set_pixel(1, 0, 255, 0) pixels.set_pixel(2, 0, 0, 255) pixels.show() time.sleep(1) pixels.set_pixel(0, 0, 0, 0) pixels.set_pixel(1, 0, 0, 0) pixels.set_pixel(2, 0, 0, 0) pixels.show()
#!/usr/bin/env python3 import apa102 import time import paho.mqtt.client as mqtt import RPi.GPIO as GPIO import json from threading import Thread ######################################################################### # Dieses Skript hoert auf MQTT Nachrichten, die von Snips gesendet werden, # und steuert damit die LEDs des Sprachassistenten # Es soll automatisch beim Boot ausgefuehrt werden ######################################################################### led = apa102.APA102(num_led=3) hotword_active = True stop_thread = False thread_running = False GPIO.setmode(GPIO.BCM) GPIO.setup(12, GPIO.OUT) GPIO.setup(13, GPIO.OUT) gpio_blue = GPIO.PWM(12, 120) gpio_red = GPIO.PWM(13, 120) gpio_blue.start(0) gpio_red.start(0) # mit dieser methode werden die LEDs auf dem ReSpeaker gesteuert # color erwartet eine farbe in form einer liste
strip[i] = pixel
i += 1
strip.write()
time.sleep(parsed['s'])
strip.fill([0, 0, 0, 0])
strip.write()
def handle_mqtt_message(topic, message):
if topic == MQTT_PREFIX + b'json':
process_json(message)
if __name__ == '__main__':
strip = apa102.APA102(machine.Pin(APA102_PIN_CI),
machine.Pin(APA102_PIN_DI),
APA102_PIXELS)
strip.fill([0, 0, 0, 0])
strip.write()
del strip
wlan = network.WLAN(network.STA_IF)
while not wlan.isconnected():
pass # Wait until connected to wifi
mqtt = MQTTClient("gyro", MQTT_BROKER)
mqtt.set_callback(handle_mqtt_message)
mqtt.connect()
mqtt.subscribe(MQTT_PREFIX + b'json')
while True:
try:
mqtt.wait_msg()
except: