智慧停车解决方案新春大促

import RPi.GPIO as GPIO
import time

TRIG = 23
ECHO = 24

GPIO.setmode(GPIO.BCM)
GPIO.setup(TRIG, GPIO.OUT)
GPIO.setup(ECHO, GPIO.IN)

def get_distance():
    GPIO.output(TRIG, True)
    time.sleep(0.00001)
    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)
    return distance

try:
    while True:
        distance = get_distance()
        if distance < 10:  # 假设车位长度小于10cm表示有车
            print("车位被占用")
        else:
            print("车位空闲")
        time.sleep(1)

except KeyboardInterrupt:
    GPIO.cleanup()