py实现网关功能
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python实现读取串口，发送数据到服务器
myTestSeria.py
#启动程序
from conf1 import Conf
if __name__ == '__main__':
conf = Conf()
conf.run()
#数格式据
##FF 00 01 07 00 1C 2A FF 00 03 06 00 10 FF 00 02 08 00 62
##FF 00 01 07 00 1C 2A FF 00 03 06 00 10 FF 00 02 08 00 61
##FF 00 01 07 00 1C 2A FF 00 03 06 00 10 FF 00 02 08 00 62
##FF 00 01 07 00 1C 2A FF 00 03 06 00 10 FF 00 02 08 00 62
##FF 00 01 07 00 1C 2A FF 00 03 06 00 10 FF 00 02 08 00 61
conf1.py
#参考的博客
##http://blog.csdn.net/fireroll/article/details/38865743
##http://www.th7.cn/Program/Python/201501/343145.shtml
##http://lihf198628.blog.163.com/blog/static/1138145200910210535337/
##http://ju.outofmemory.cn/entry/52646
##https://pypi.python.org/pypi?%3Aaction=search&term=SocketServer&submit=search
##http://blog.csdn.net/hcx25909/article/details/50537939
##http://www.cnblogs.com/Dreamxi/p/4109450.htm
##是一个完整的例子
#open configure info
import urllib
import http.client,httplib2
import demjson
import configparser
import serial
import socket
import json
import threading
import binascii
class Conf:
__cfg = {
'hardware' : {},
'send' : {},
'recv' : {},
'log' : {}
} #collection,info
__serial = None
__mac = None
__readDataLen = 19#56#19
__separator = ' ' #分隔符
def __init__(self): #初始化函数
self.__loadConfig()
self.__initSerialPort()
def __loadConfig(self): #加载配置文件
cfg = configparser.ConfigParser()
try:
cfg.read('configure.ini')
self.__cfg['hardware']['serialDev'] = cfg.get('HARDWARE','SERIAL_DEV')
self.__cfg['hardware']['baudrate'] = cfg.get('HARDWARE','BAUDRATE')
self.__cfg['send']['remoteUrl'] = cfg.get('SEND','REMOTE_URL')
self.__cfg['send']['delay'] = cfg.get('SEND','DELAY')
self.__cfg['send']['port']=cfg.get('SEND','PORT')
self.__cfg['send']['webDoc']=cfg.get('SEND','WEB_DOC')
self.__cfg['recv']['remoteUrl'] = cfg.get('RECV','REMOTE_URL')
self.__cfg['recv']['delay'] = cfg.get('RECV','DELAY')
self.__cfg['log']['enable'] = cfg.get('LOG','ENABLE')
if self.__cfg['log']['enable'] == '1':
self.__cfg['log']['path'] = cfg.get('LOG','PATH');
for value in self.__cfg.values():
for k,v in value.items():
if v == None:
self.__half('All configuration items cannot be empty!')
except:
self.__half('Load config failed')
finally:
pass
def __initSerialPort(self): #初始化串口
self.__serial = serial.Serial(
port = self.__cfg['hardware']['serialDev'],
baudrate = self.__cfg['hardware']['baudrate']
)
try:
if not self.__serial.isOpen():
self.__serial.open()
except:
self.__half('cann`t opren port')
finally:
pass
def __readSerialData(self): #读取串口数据
self.__serial.flushOutput() #丢弃接收缓存中的所有数据
self.__serial.flushInput() #终止当前写操作，并丢弃发送缓存中的数据。
sData = {'temp':{},
'humi':{},
'photo':{},
'air':{}}
i = 0
while True:
if self.__first_data()=='0xff' and self.__first_data()=='0x00':
sensor_type = self.__first_data()
if sensor_type == '0x01': #temp and humi
self.__first_data()
self.__first_data()
sData['temp'] = self.__first_data(2)
sData['humi'] = self.__first_data(2)
## print('temp')
## print(sData['temp'])
i = i+1
elif sensor_type == '0x02': #photo
self.__first_data()
self.__first_data()
sData['photo'] = self.__first_data(2)
## print('photo')
## print(sData['photo'])
i = i+1
elif sensor_type == '0x03': #air
self.__first_data()
self.__first_data()
sData['air'] = self.__first_data(2)
## print('air')
## print(sData['air'])
i = i+1
if i>=3:
print(sData)
return sData
## print(self.__first_data()=='0xff')
## print(self.__first_data()=='0x00')
## print('---')
def __first_data(self,types=1): #data type is str ,ex "b'ff'"
data = self.__read_ascii()
temp = data[2:len(data)-1]
temp = '0x'+temp
## print(int(temp,16))
if types == 1:
## print(temp)
return temp #data type is str
else :
## print(temp)
return int(temp,16) #data type is int
def __read_ascii(self): #read serial data,turn to ascii
return str(binascii.b2a_hex(self.__serial.read()))
##
#### def __sendSerialData(self): #发送数据到串口，未实现
####
## def __readData(self): #读取http数据，未实现
##
#"Content-type":"application/x-www-form-urlencode",
#"Mozilla/5.0(Macintosh;Intel Mac OS X 10_11_6)AppleWebKit/537.36(KHTMK,like Gecko) Chrome/51.0.2704.103 Safari/537.36"
def __sendData(self,data):
header = {"charset":"utf-8",
"Content-Type":"application/json"}
try:
conn = http.client.HTTPConnection(self.__cfg['send']['remoteUrl'],self.__cfg['send']['port'])
json_data = json.dumps(data,ensure_ascii = 'False')
conn.request("POST",self.__cfg['send']['webDoc'],sampleJson,header)
response = conn.getresponse()
print(response.read())
except Exception as e:
print(e)
finally :
conn.close()
## headers = {
## "User-Agent":"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.89 Safari/537.36",
## "Content-Type":"application/x-www-form-urlencode",
## "Accept":"text/plain,text/html,*/*;q=0.01"}
#### self.__cfg['send']['remoteUrl'] '192.168.61.136'
## conn = http.client.HTTPConnection(self.__cfg['send']['remoteUrl'] ,self.__cfg['send']['port'])
## try:
## conn.request('POST',self.__cfg['send']['webDoc'],json_data,headers)
## response = conn.getresponse()
## print(response.status,response.reason)
#### print(response.getheaders())
#### data = str(response.read(),encoding='utf-8')#.encode('utf-8')
#### print('receive data is:')
#### print(data)
#### print('send ok')
## except Exception as e:
## print(e)
## finally :
## conn.close()
## def __sendData(self,json_data): #发送数据到http
## try:
## request = urllib.Request(self.__cfg['send']['remoteUrl'],json_data)
## header = {'User-Agent':'Mozilla/5.0(window N; Trident/7.0; rv:11.0) like Gecho'}
## req = Request(url=self.__cfg['send']['remoteUrl'],
## data = json_data,
## headers = header,
## method = 'POST')
#### params = urllib.urlencode(data)
#### request = urllib2.Request(self.__cfg['send'][remoteUrl],'params')
#### response = urllib2.urlopen(request)
## except:
## self.__writeLog('Send data to server failed')
## finally:
## passg
##
## def __getMAC(self): #获取MAC
## process = os.open('/sbin/infconfig eth0')
## info = process.read()
## process.close()
## mac = re.search("HWaddr\s+(\S+)",info)
## if mac:
## return mac.group(1)
## else:
## return "00-00-00-00-00-00"
##
## def __writeLog(self,log): #写入日志
## if self.__cfg['log']['enable'] == '1':
## fp = open(self.__cfg['log']['path'],'a+')
## try:
## written = time.strftime('[%Y-%m-%d %H:%M:%S]',time,localtime(time.time()))+log+'\r\n'
## fp.write(written)
## except:
## print('Cannot written the log infomation')
## finally:
## pass
##
## else:
## print('log not enable')
## pass
def __half(self,msg,isWriteLog = True): #停止运行
if isWriteLog:
print(msg)
exit
def run(self): #运行
data = {}
## data['mac'] = self.__mac
## print(data)
while True:
data = self.__readSerialData()
## json_data = demjson.encode(data)
## sData = {'temp':{},
## 'humi':{},
## 'photo':{},
## 'air':{}}
#先将发送数据注释，方便调试
print('send data is:')
print(json_data)
self.__sendData(json_data)
## strj = 'data'+str(i)
## data[strj] = self.__readSerialData()
#### print(data)
## if i%3 == 0:
## json_data = demjson.encode(data)
## self.__sendData(json_data)
## i=0
## data = {}
#### print(json_data)
#### print(data)
## i=i+1
## self.__sendData(data)
## time.sleep(self.__cfg['send']['delay'])
## 测试使用
## for value in self.__cfg.values():
## for k,v in value.items():
## print(k,"==>",v)
##
def __del__(self): #退出程序，关闭串口
if self.__serial and self.__serial.isOpen():
self.__serial.close()
configure.ini 配置文件
[HARDWARE]
SERIAL_DEV=COM2
BAUDRATE=38400
[SEND]
REMOTE_URL=192.168.61.136
WEB_DOC=/practice/connDB.php
DELAY=100
PORT=80
[RECV]
REMOTE_URL=
DELAY=100
[LOG]
ENABLE=1
PATH=log.txt
php服务端接收参考：
http://blog.csdn.net/shawshank_bingo/article/details/73005602
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