Project 15.py

import os
import sys
import termios
import tty
import Adafruit_BBIO.GPIO as GPIO
import time
import Adafruit_BBIO.PWM as PWM

GPIO.setup("P9_14", GPIO.OUT) 
GPIO.setup("P8_19", GPIO.OUT) 

GPIO.setup("P9_13", GPIO.OUT) #motor1
GPIO.setup("P9_15", GPIO.OUT)

GPIO.setup("P8_10", GPIO.OUT) #motor2
GPIO.setup("P8_12", GPIO.OUT)



def getKey():
   fd = sys.stdin.fileno()
   old = termios.tcgetattr(fd)
   new = termios.tcgetattr(fd)
   new[3] = new[3] & ~termios.ICANON & ~termios.ECHO
   new[6][termios.VMIN] = 1
   new[6][termios.VTIME] = 0
   termios.tcsetattr(fd, termios.TCSANOW, new)
   key = None
   try:
      key = os.read(fd, 3)
   finally:
      termios.tcsetattr(fd, termios.TCSAFLUSH, old)
   return key


while 1:
   x = str(getKey())
   if x == "w":


      PWM.start("P9_14", 10, 2000, 1)
PWM.start("P8_19", 10, 2000, 1)
      GPIO.output("P9_13", GPIO.HIGH)
      GPIO.output("P9_15", GPIO.LOW)
      GPIO.output("P8_10", GPIO.HIGH)
      GPIO.output("P8_12", GPIO.LOW)
   elif x == "s":
      PWM.start("P9_14", 10, 2000, 1)
      PWM.start("P8_19", 10, 2000, 1)
      GPIO.output("P9_13", GPIO.LOW)
      GPIO.output("P9_15", GPIO.HIGH)
      GPIO.output("P8_10", GPIO.LOW)
      GPIO.output("P8_12", GPIO.HIGH)
   elif x == "a":
      PWM.start("P9_14", 10, 2000, 0)
      PWM.start("P8_19", 10, 2000, 1)

      GPIO.output("P8_10", GPIO.HIGH)
      GPIO.output("P8_12", GPIO.LOW)
   elif x == "d":

      PWM.start("P9_14", 10, 2000, 1)
      PWM.start("P8_19", 10, 2000, 0)
      GPIO.output("P9_13", GPIO.HIGH)
GPIO.output("P9_15", GPIO.LOW)
   else:
      PWM.stop("P9_14")
      PWM.stop("P8_19")
      PWM.cleanup()