Delete Ultrasonic_Obstacle_Avoidance.py

Ultrasonic_Obstacle_Avoidance.py

-import RPi.GPIO as GPIO
-import time
-from AlphaBot2 import AlphaBot2
-
-TRIG = 22
-ECHO = 27
-
-Ab = AlphaBot2()
-
-GPIO.setmode(GPIO.BCM)
-GPIO.setwarnings(False)
-GPIO.setup(TRIG,GPIO.OUT,initial=GPIO.LOW)
-GPIO.setup(ECHO,GPIO.IN)
-
-def Distance():
-	GPIO.output(TRIG,GPIO.HIGH)
-	time.sleep(0.000015)
-	GPIO.output(TRIG,GPIO.LOW)
-	while not GPIO.input(ECHO):
-		pass
-	t1 = time.time()
-	while GPIO.input(ECHO):
-		pass
-	t2 = time.time()
-	return (t2-t1)*34000/2
-	
-print("Ultrasonic_Obstacle_Avoidance")
-try:
-	while True:
-		Dist = Distance()
-		print("Distance = %0.2f cm"%Dist)
-		if Dist <= 20:
-			Ab.right()
-#			Ab.left()
-		else:
-			Ab.forward()
-		time.sleep(0.02)
-
-except KeyboardInterrupt:
-	GPIO.cleanup();