1  # SPDX-FileCopyrightText: 2018 Limor Fried for Adafruit Industries
 2  #
 3  # SPDX-License-Identifier: MIT
 4  
 5  import time
 6  from busio import I2C
 7  from adafruit_seesaw.seesaw import Seesaw
 8  from adafruit_seesaw.pwmout import PWMOut
 9  from adafruit_motor import motor
10  import neopixel
11  import audioio
12  import audiocore
13  import board
14  
15  print("The voyages of the CPX-1701!")
16  
17  # Create seesaw object
18  i2c = I2C(board.SCL, board.SDA)
19  seesaw = Seesaw(i2c)
20  
21  # Create one motor on seesaw PWM pins 22 & 23
22  motor_a = motor.DCMotor(PWMOut(seesaw, 22), PWMOut(seesaw, 23))
23  
24  # audio output
25  cpx_audio = audioio.AudioOut(board.A0)
26  
27  # neopixels!
28  pixels = neopixel.NeoPixel(board.NEOPIXEL, 10, brightness=1)
29  pixels.fill((0, 0, 0))
30  
31  # give me a second before starting
32  time.sleep(1)
33  
34  motor_a.throttle = 0  # warp drive off
35  
36  f = open("01space.wav", "rb")
37  wav = audiocore.WaveFile(f)
38  cpx_audio.play(wav)
39  
40  t = time.monotonic()  # take a timestamp
41  
42  # slowly power up the dilithium crystals
43  for i in range(50):
44      pixels.fill((0, 0, i))
45      time.sleep(0.05)
46  
47  # 6 seconds after audio started...
48  while time.monotonic() - t < 6:
49      pass
50  
51  motor_a.throttle = 1  # full warp drive on!
52  
53  # wait for music to end
54  while cpx_audio.playing:
55      pass
56  f.close()
57  
58  # play the warp drive and theme music!
59  f = open("02warp.wav", "rb")
60  wav = audiocore.WaveFile(f)
61  cpx_audio.play(wav)
62  
63  time.sleep(1)
64  
65  # blast off!
66  pixels.fill((255, 0, 0))
67  
68  # pulse the warp core
69  while True:
70      for i in range(255, 0, -5):
71          pixels.fill((i, 0, 0))
72      for i in range(0, 255, 5):
73          pixels.fill((i, 0, 0))
74  
75  # wait for music to end
76  while cpx_audio.playing:
77      pass
78  f.close()