1  # SPDX-FileCopyrightText: 2018 Becky Stern for Adafruit Industries
 2  # SPDX-FileCopyrightText: 2018 T Main for Adafruit Industries
 3  #
 4  # SPDX-License-Identifier: MIT
 5  
 6  # Chirp Owl written by Becky Stern and T Main for Adafruit Industries
 7  # Tutorial: http://learn.adafruit.com/chirping-plush-owl-toy/
 8  
 9  # Includes animal sounds by Anne Barela
10  # http://learn.adafruit.com/adafruit-trinket-modded-stuffed-animal/animal-sounds
11  # based in part on Debounce
12  #  created 21 November 2006
13  #  by David A. Mellis
14  #  modified 30 Aug 2011
15  #  by Limor Fried
16  #  modified 28 Dec 2012
17  #  by Mike Walters
18  #  CircuitPython Port 2018
19  #  by Mikey Sklar
20  #  This example code is in the public domain.
21  #  http://www.arduino.cc/en/Tutorial/Debounce
22  
23  import time
24  import board
25  import digitalio
26  
27  # setup for vibration sensor
28  motion = digitalio.DigitalInOut(board.D0)
29  motion.direction = digitalio.Direction.INPUT
30  motion.pull = digitalio.Pull.UP
31  
32  # setup for speaker output
33  speaker = digitalio.DigitalInOut(board.D2)
34  speaker.direction = digitalio.Direction.OUTPUT
35  
36  def chirp():
37      for i in range(200,180,-1):
38          play_tone(i,9)
39  
40  # emphasis ow "me"
41  def meow():
42      play_tone(5100,50)           # "m" (short)
43      play_tone(394,180)           # "eee" (long)
44      for i in range(990,1022,2): # vary "ooo" down
45          play_tone(i,8)
46      play_tone(5100,40)           # "w" (short)
47  
48  # cat meow (emphasis on "ow")
49  def meow2():
50      play_tone(5100,55)          # "m" (short)
51      play_tone(394,170)          # "eee" (long)
52      time.sleep(0.03)            # wait a tiny bit
53      for i in range(990,1022,2): # vary "ooo" down
54          play_tone(i,8)
55      play_tone(5100,40)          # "w" (short)
56  
57  # dog ruff
58  def ruff():
59      for i in range(890,910,2):  # "rrr"  (vary down)
60          play_tone(i,3)
61      play_tone(1664,150)         # "uuu" (hard to do)
62      play_tone(12200,70)         # "ff"  (long, hard to do)
63  
64  # dog arf
65  def arf():
66      play_tone(890,25)             # "a"    (short)
67      for i in range(890,910,2):    # "rrr"  (vary down)
68          play_tone(i,5)
69      play_tone(4545,80)            # intermediate
70      play_tone(12200,70)           # "ff"   (shorter, hard to do)
71  
72  def play_tone(tone_value, duration):
73      microseconds = 10 ** 6              # duration divider, convert to microseconds
74  
75      for i in range(0, duration):
76          i += tone_value * 2
77          speaker.value = True
78          time.sleep(tone_value / microseconds)
79          speaker.value = False
80          time.sleep(tone_value / microseconds)
81  
82  # loop forever...
83  while True:
84  
85      # reverse logic for motion pins
86      if not motion.value:
87          # bird chirp noise
88          # comment out chirp and uncomment a different sound below
89          # for more animal noises
90          chirp()
91          # meow()
92          # meow2()
93          # ruff()
94          # arf()
95          time.sleep(.5)                  # leave some time to complete rotation