from . import apa102
import time
import threading
try:
import queue as Queue
except ImportError:
import Queue as Queue
[文档]class Pixels:
PIXELS_N = 3
def __init__(self):
self.basis = [0] * 3 * self.PIXELS_N
self.basis[0] = 1
self.basis[4] = 1
self.basis[8] = 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()
[文档] def wakeup(self, direction=0):
def f():
self._wakeup(direction)
self.next.set()
self.queue.put(f)
[文档] def listen(self):
self.next.set()
self.queue.put(self._listen)
[文档] def think(self):
self.next.set()
self.queue.put(self._think)
[文档] def speak(self):
self.next.set()
self.queue.put(self._speak)
[文档] 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
self.next.clear()
while not self.next.is_set():
for i in range(5, 25):
colors = [(v * i / 24) for v in colors]
self.write(colors)
time.sleep(0.01)
time.sleep(0.3)
for i in range(24, 4, -1):
colors = [(v * i / 24) for v in colors]
self.write(colors)
time.sleep(0.01)
time.sleep(0.3)
self._off()
def _off(self):
self.write([0] * 3 * self.PIXELS_N)
[文档] 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()
pixels = Pixels()
if __name__ == '__main__':
while True:
try:
pixels.wakeup()
time.sleep(3)
pixels.think()
time.sleep(3)
pixels.speak()
time.sleep(3)
pixels.off()
time.sleep(3)
except KeyboardInterrupt:
break
pixels.off()
time.sleep(1)