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| # -*- coding:utf-8 -*-
import time
import RPi.GPIO as GPIO
import urllib.request
from PIL import Image
import os, signal, subprocess
#初始化
GPIO.setmode(GPIO.BCM)
#超声波
GPIO.setup(24, GPIO.OUT)
GPIO.setup(23, GPIO.IN)
#LED
GPIO.setup(25, GPIO.OUT)
#继电器
GPIO.setup(8, GPIO.OUT)
GPIO.setup(21, GPIO.OUT)
#超声波读取距离函数
def checkdist():
GPIO.output(25, True)
time.sleep(0.03)
GPIO.output(25, False)
GPIO.output(24, GPIO.HIGH)
time.sleep(0.000015)
GPIO.output(24,GPIO.LOW)
while not GPIO.input(23):
pass
t1 = time.time()
while GPIO.input(23):
pass
t2 = time.time()
return (t2-t1)*340/2
#开、关门函数
def downPower():
GPIO.output(8, False)
GPIO.output(21, False)
def openDoor():
GPIO.output(21, True)
time.sleep(3)
GPIO.output(21, False)
def closeDoor():
GPIO.output(8, True)
time.sleep(3)
GPIO.output(8, False)
#二维码读取函数
def lesen():
#拍摄一幅图像
os.system("raspistill -w 640 -h 480 -o /home/pi/cameraqrc/image.jpg -t 100 ")
print ("raspistill finished")
#处理图像以方便读取
im = Image.open("/home/pi/cameraqrc/image.jpg").rotate(180).convert("L").save("/home/pi/cameraqrc/image-1.jpg")
GPIO.output(25, True)
time.sleep(0.1)
GPIO.output(25, False)
#读取二维码
zbarcam=subprocess.Popen("zbarimg --raw /home/pi/cameraqrc/image-1.jpg", stdout=subprocess.PIPE, shell=True, preexec_fn=os.setsid)
qrcodetext=zbarcam.stdout.readline()
return qrcodetext
#主函数
def havePhone():
urlc = "https://xxx.flyhigher.top/checkkey/?lock_id=test001" #才不告诉你们真实地址嘞
content = urllib.request.urlopen(urlc).read().decode("utf-8")
print(content)
if content == "true":
result=lesen().strip().decode("utf-8")
print(result)
if result != '':
headers = { 'User-Agent' : 'Lock/Beta1'}
urld="https://xxx.flyhigher.top/ifkey/" #才不告诉你们真实地址嘞
pdata={'lock_id':'test001','passw':result}
pdata=urllib.parse.urlencode(pdata)
binary_data = pdata.encode('ascii')
print('Checking!')
req = urllib.request.Request(urld, binary_data, headers)
fd = urllib.request.urlopen(req).read().decode("utf-8")
print(fd)
if fd == "test001":
print("开门")
downPower()
openDoor()
time.sleep(7)
print("关门")
downPower()
closeDoor()
else:
print("Wrong!")
else:
print('Continue!')
#方便调试时关机
elif content == "die":
print('Yes!')
os.system("sudo shutdown")
#主循环
while True:
dis = checkdist()*100
print(dis)
if dis <= 30:
havePhone()
time.sleep(0.5)
|
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