【Raspberry Pi】定时运行python程序读温湿度传感器数据&发邮件

# -*- coding: utf-8 -*-
"""
Created on Tue Jan 28 11:18:00 2014

@author: pi
"""
import smtplib
from email.mime.text import MIMEText
import RPi.GPIO as gpio
import time

mail_to_1="====@outlook.com"
mail_to_2="====@qq.com"
mail_to_3=‘=====@qq.com‘
mail_to_4="====@qq.com"

def send_mail(to_list,title,content):
    mail_host="smtp.126.com"
    mail_user="colipso"
    mail_pass="====="
    mail_postfix="126.com"
    me=mail_user+"<"+mail_user+"@"+mail_postfix+">"
    msg=MIMEText(content)
    msg[‘Subject‘]=title
    msg[‘From‘]=mail_user
    msg[‘To‘]=to_list
    
    mail=smtplib.SMTP()
    mail.connect(mail_host)
    mail.login(mail_user,mail_pass)
    mail.sendmail(me,to_list,msg.as_string())
    mail.close()

def get_temperature_humidity():
    gpio.setwarnings(False)
    gpio.setmode(gpio.BOARD)
    time.sleep(1)
    data=[]
    def delay(i): #20*i usdelay
        a=0
        for j in range(i):
            a+1
    j=0
    #start work
    gpio.setup(12,gpio.OUT)
    #gpio.output(12,gpio.HIGH)
    #delay(10)
    gpio.output(12,gpio.LOW)
    time.sleep(0.02)
    gpio.output(12,gpio.HIGH)
    i=1
    i=1
     
    #wait to response
    gpio.setup(12,gpio.IN)
    
    
    while gpio.input(12)==1:
        continue
    
    
    while gpio.input(12)==0:
        continue
    
    while gpio.input(12)==1:
            continue
    #get data
    
    while j<40:
        k=0
        while gpio.input(12)==0:
            continue
        
        while gpio.input(12)==1:
            k+=1
            if k>100:break
        if k<3:
            data.append(0)
        else:
            data.append(1)
        j+=1
    
    #print "Sensor is working"
    #get temperature
    humidity_bit=data[0:8]
    humidity_point_bit=data[8:16]
    temperature_bit=data[16:24]
    temperature_point_bit=data[24:32]
    check_bit=data[32:40]
    
    humidity=0
    humidity_point=0
    temperature=0
    temperature_point=0
    check=0
    
    
    
    for i in range(8):
        humidity+=humidity_bit[i]*2**(7-i)
        humidity_point+=humidity_point_bit[i]*2**(7-i)
        temperature+=temperature_bit[i]*2**(7-i)
        temperature_point+=temperature_point_bit[i]*2**(7-i)
        check+=check_bit[i]*2**(7-i)
    
    tmp=humidity+humidity_point+temperature+temperature_point
    
    if check==tmp:
        return temperature,humidity
    else:
        return 0,0
#current_time="%d" % time.localtime().tm_year+"."+"%d" % time.localtime().tm_mon+"."+ "%d" % time.localtime().tm_mday+"  "+ "%d" % time.localtime().tm_hour+":"+ "%d" % time.localtime().tm_hour   


current_time=" "
tem_humi=get_temperature_humidity()
#print tem_humi
if tem_humi[0]!=0:
    content1=current_time+" The home temperature is %d" % tem_humi[0]
    content2=current_time+" The home humidity is %d" % tem_humi[1]
    content=content1+"C.  "+content2+"%"
    send_mail(mail_to_1,‘My home‘,content)
    send_mail(mail_to_2,‘My home‘,content)
    send_mail(mail_to_3,‘My home‘,content)
    send_mail(mail_to_4,‘My home‘,content)
    #print content