#!/usr/bin/python
# -*- coding: UTF-8 -*-

import RPi.GPIO as GPIO
import time

#GPIO BOARD mode
BTN_PIN = 36

#GPIO BCM mode
#BTN_PIN = 16

#统计按键次数
number=0

def btnInterrupt(BTN_PIN):
    global number
    print("Button Click:%s"%number)
    number = number + 1

GPIO.setmode(GPIO.BOARD)
#GPIO.setmode(GPIO.BCM)
GPIO.setup(BTN_PIN, GPIO.IN, GPIO.PUD_UP)

GPIO.add_event_detect(BTN_PIN, GPIO.RISING, btnInterrupt, 400)

try:
    while True:
        time.sleep(3)
except KeyboardInterrupt:
    pass

#GPIO资源清理
GPIO.remove_event_detect(BTN_PIN)
GPIO.cleanup()