#!/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

number=0

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

try:
    while True:
        time.sleep(0.1)
        if GPIO.input(BTN_PIN) == 0:
            print("Button Click:%s"%number)
            number = number + 1
except KeyboardInterrupt:
    pass

#GPIO资源清理
GPIO.cleanup()