Measures distance continuously every .5 of a second
Uses : ce0 = pin24 = gpio 8 (This has a resistor inline)
ce1 = pin 26 = gpio7
import RPi.GPIO as GPIO
import time
GPIO.setmode(GPIO.BCM)
TRIG = 7
ECHO = 8
print "Distance Measurement In Progress"
GPIO.setup(TRIG,GPIO.OUT)
GPIO.setup(ECHO,GPIO.IN)
GPIO.output(TRIG, False)
print "Waiting For Sensor To Settle"
def measure():
time.sleep(0.5)
GPIO.output(TRIG, True)
time.sleep(0.1)
GPIO.output(TRIG, False)
while GPIO.input(ECHO)==0:
pulse_start = time.time()
while GPIO.input(ECHO)==1:
pulse_end = time.time()
pulse_duration = pulse_end - pulse_start
distance = pulse_duration * 17150
distance = round(distance, 2)
print "Distance:",distance,"cm"
loop = 1
while loop == 1:
print measure()
GPIO.cleanup()
