glove.py

   1 import pygame
   2 import RPi.GPIO as gpio
   3 import time
   4 import logging
   5
   6 logger = logging.getLogger(__name__)
   7 loggerFileHandler = logging.FileHandler('glove.log')
   8 loggerFileHandlerFormatter = logging.Formatter('%(asctime)s %(levelname)-8s  %(message)s')
   9 loggerFileHandler.setFormatter(loggerFileHandlerFormatter)
  10 logger.addHandler(loggerFileHandler)
  11 logger.setLevel(logging.WARNING)
  12 logger.setLevel(logging.INFO)
  13
  14
  15 guitars = ['sounds/guitar1.wav',
  16            'sounds/guitar2.wav',
  17            'sounds/guitar3.wav',
  18            'sounds/guitar4.wav',
  19            'sounds/guitar5.wav']
  20
  21 pins = [25, 24, 18, 22]
  22
  23 pygame.mixer.init()
  24 sounds = [pygame.mixer.Sound(g) for g in guitars]
  25
  26 gpio.setmode(gpio.BCM)
  27 for pin in pins:
  28     gpio.setup(pin, gpio.IN)
  29
  30 last_states = [gpio.input(p) for p in pins]
  31 these_states = list(last_states)
  32
  33 while True:
  34     these_states = [gpio.input(p) for p in pins]
  35     logger.debug("These: {0}, Last: {1}".format(these_states, last_states))
  36     for i in range(len(pins)):
  37         if these_states[i] and not last_states[i]:
  38             sounds[i].play()
  39             last_states[i] = these_states[i]
  40             logger.info("Started playing {0}".format(i))
  41         if not these_states[i] and last_states[i]:
  42             sounds[i].stop()
  43             last_states[i] = these_states[i]
  44             logger.info("Stopped playing {0}".format(i))