motor_control.py

'''
Motor control module for the tank rover.
'''
import RPi.GPIO as GPIO
# GPIO pin numbers for motor control
LEFT_FORWARD_PIN = 17
LEFT_BACKWARD_PIN = 18
RIGHT_FORWARD_PIN = 27
RIGHT_BACKWARD_PIN = 22
def move_forward():
    GPIO.output(LEFT_FORWARD_PIN, GPIO.HIGH)
    GPIO.output(LEFT_BACKWARD_PIN, GPIO.LOW)
    GPIO.output(RIGHT_FORWARD_PIN, GPIO.HIGH)
    GPIO.output(RIGHT_BACKWARD_PIN, GPIO.LOW)
def move_backward():
    GPIO.output(LEFT_FORWARD_PIN, GPIO.LOW)
    GPIO.output(LEFT_BACKWARD_PIN, GPIO.HIGH)
    GPIO.output(RIGHT_FORWARD_PIN, GPIO.LOW)
    GPIO.output(RIGHT_BACKWARD_PIN, GPIO.HIGH)
def move_left():
    GPIO.output(LEFT_FORWARD_PIN, GPIO.LOW)
    GPIO.output(LEFT_BACKWARD_PIN, GPIO.HIGH)
    GPIO.output(RIGHT_FORWARD_PIN, GPIO.HIGH)
    GPIO.output(RIGHT_BACKWARD_PIN, GPIO.LOW)
def move_right():
    GPIO.output(LEFT_FORWARD_PIN, GPIO.HIGH)
    GPIO.output(LEFT_BACKWARD_PIN, GPIO.LOW)
    GPIO.output(RIGHT_FORWARD_PIN, GPIO.LOW)
    GPIO.output(RIGHT_BACKWARD_PIN, GPIO.HIGH)