furby_motor_test.py

#!/usr/bin/env python

# Import required modules
import time
import RPi.GPIO as GPIO

# Declare the GPIO settings
GPIO.setmode(GPIO.BOARD)

# Set the filename and path for the sound card in use
# (See: https://howchoo.com/g/mmnhmti2zjz/how-to-detect-that-audio-is-currently-being-output-in-linux-and-use-it-to-call-a-program#create-an-audio-output-monitor-script)

# Which one?
#soundcard_status_file = '/proc/asound/card0/pcm0p/sub0/status'
soundcard_status_file = '/proc/asound/card1/pcm0c/sub0/status'

# Turn off GPIO warnings caused by us declaring our pins outside of the start_furby and stop_furby functions
GPIO.setwarnings(False)

def start_furby():
    # Drive the motor clockwise
    GPIO.output(16, GPIO.HIGH) # Set AIN1
    GPIO.output(11, GPIO.LOW) # Set AIN2

    # Set the motor speed
    GPIO.output(7, GPIO.HIGH) # Set PWMA

    # Disable STBY (standby)
    GPIO.output(13, GPIO.HIGH)

def stop_furby():
    # Reset all the GPIO pins by setting them to LOW
    GPIO.output(16, GPIO.LOW) # Set AIN1
    GPIO.output(11, GPIO.LOW) # Set AIN2
    GPIO.output(7, GPIO.LOW) # Set PWMA
    GPIO.output(13, GPIO.LOW) # Set STBY

def main():
    # Set up GPIO pins
    GPIO.setup(7, GPIO.OUT) # Connected to PWMA
    GPIO.setup(11, GPIO.OUT) # Connected to AIN2
    GPIO.setup(16, GPIO.OUT) # Connected to AIN1
    GPIO.setup(13, GPIO.OUT) # Connected to STBY

    start_furby()
    time.sleep(5)
    stop_furby()

if __name__ == '__main__':
    main()