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Pixels.py
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Pixels.py
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import apa102
import time
import threading
import queue as Queue
class Pixels:
PIXELS_N = 3
def __init__(self):
self.basis = [0] * 3 * self.PIXELS_N
self.basis[0] = 2
self.basis[3] = 1
self.basis[4] = 1
self.basis[7] = 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 wakeup(self, direction=0):
def f():
self._wakeup(direction)
self.next.set()
self.queue.put(f)
def listen(self):
self.next.set()
self.queue.put(self._listen)
def think(self):
self.next.set()
self.queue.put(self._think)
def speak(self):
self.next.set()
self.queue.put(self._speak)
def off(self):
self.next.set()
self.queue.put(self._off)
def _run(self):
while True:
func = self.queue.get()
func()
def _wakeup(self, direction=0):
for i in range(1, 25):
colors = [i * v for v in self.basis]
self.write(colors)
time.sleep(0.01)
self.colors = colors
def _listen(self):
for i in range(1, 25):
colors = [i * v for v in self.basis]
self.write(colors)
time.sleep(0.01)
self.colors = colors
def _think(self):
colors = self.colors
self.next.clear()
while not self.next.is_set():
colors = colors[3:] + colors[:3]
self.write(colors)
time.sleep(0.2)
t = 0.1
for i in range(0, 5):
colors = colors[3:] + colors[:3]
self.write([(v * (4 - i) / 4) for v in colors])
time.sleep(t)
t /= 2
# time.sleep(0.5)
self.colors = colors
def _speak(self):
colors = self.colors
gradient = -1
position = 24
self.next.clear()
while not self.next.is_set():
position += gradient
self.write([(v * position / 24) for v in colors])
if position == 24 or position == 4:
gradient = -gradient
time.sleep(0.2)
else:
time.sleep(0.01)
while position > 0:
position -= 1
self.write([(v * position / 24) for v in colors])
time.sleep(0.01)
# self._off()
def _off(self):
self.write([0] * 3 * self.PIXELS_N)
def write(self, colors):
for i in range(self.PIXELS_N):
self.dev.set_pixel(i, int(colors[3*i]), int(colors[3*i + 1]), int(colors[3*i + 2]))
self.dev.show()