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  • SOCKET局域网数据传输

    Author : LEON
    EMAIL:yangli0534@yahoo.com
程序的主要功能

    发送端：做为server,将指定协议的数据骑过socket发送出去。
    接收端： 1.SOCKET接收数据 2.解析指令帖并得到命令参数 3.根据命令参数更新GUI
  其中1和2在一个线程，3在一个线程

    捕获

    捕获2

    捕获3

    发送数据代码：

      1 ##-*- coding: utf-8-*
  2 #!D:ProgramDataAnaconda2python.exe
  3 
  4 import sys
  5 import math
  6 import time
  7 #import serial
  8 from PyQt5 import QtCore, QtGui, uic, QtPrintSupport, QtWidgets
  9 #import serial.tools.list_ports
 10 from  threading import Thread
 11 from PyQt5.QtCore import *
 12 from PyQt5.QtGui import *
 13 from PyQt5.QtWidgets import *
 14 import random
 15 import socket
 16 
 17 qtCreatorFile = "paneltest.ui"
 18 Ui_MainWindow, QtBaseClass=uic.loadUiType(qtCreatorFile)
 19 
 20 
 21 class MyApp(QtWidgets.QMainWindow, Ui_MainWindow):
 22     #i = 0
 23     #start = False
 24     def __init__(self):
 25         QtWidgets.QMainWindow.__init__(self)
 26         Ui_MainWindow.__init__(self)
 27         # bkg = QtGui.QPalette()
 28 
 29         # bkg.setColor(self.backgroundRole(),QColor(192,253,123))
 30         # self.setPalette(bkg)
 31         self.setupUi(self)
 32         #self.ser =serial.Serial()
 33         #port_list = list(serial.tools.list_ports.comports())#find serial port avaliable
 34         #NoSerial = len(port_list)
 35         #if  NoSerial> 0:
 36         #    for port in port_list:
 37         #        self.comboBox_serial_No.addItem(port[0])#add to comboBox
 38         #baudrate = [9600,14400, 19200, 38400, 56000, 57600, 115200]
 39         #for baud in baudrate:
 40         #    self.comboBox_serial_baudrate.addItem(str(baud))
 41         #self.comboBox_serial_baudrate.setCurrentIndex(len(baudrate)-1)
 42         #self.comboBox_serial_No.setCurrentIndex(NoSerial-1)
 43         #self.pushButton_open.clicked.connect(self.open)    
 44         #self.pushButton_send.clicked.connect(self.ctrl)
 45         TCP_IP = '127.0.0.1'
 46         TCP_PORT = 5005
 47         BUFFER_SIZE = 20  # Normally 1024, but we want fast response
 48         self.s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 49         self.s.bind((TCP_IP, TCP_PORT))
 50         self.s.listen(1)
 51         Thread(target=self.connect,args=()).start()     
 52         #con = threading.Condition()
 53         #rece=threading.Thread(target=self.receive,args=())
 54         #rece.start()
 55         #Thread(target=self.receive).start()
 56     def closeEvent(self):
 57         #QtWidgets.QMainWindow.__close_(self)
 58         #Ui_MainWindow.__close__(self)
 59         self.conn.close()
 60         self.t.close()
 61         self.s.close()
 62         #self.close()
 63     def connect(self):
 64         #port = self.comboBox_serial_No.currentText()
 65         #baudrate = int(self.comboBox_serial_baudrate.currentText())
 66         self.conn, self.addr = self.s.accept()
 67         while not self.conn:
 68             self.conn, self.addr = self.s.accept()
 69         #if self.ser.isOpen():
 70             #self.label_tip.setText('this port has been opened')
 71             #self.ser.close()
 72         self.label.setText("Connted")
 73         self.t = Thread(target=self.autosend)
 74         self.t.setDaemon(True)
 75         self.t.start()
 76         #self.label_tip.setText('closed')
 77         #else:
 78             #self.ser = serial.Serial(port, baudrate, timeout = 10)
 79             #if self.ser.isOpen():
 80             #    self.pushButton_open.setText('Connected')
 81             #    self.label_tip.setText("open sucessed!")
 82                 #self.ser.write('roger!')
 83             #else:
 84     def open(self):
 85         #port = self.comboBox_serial_No.currentText()
 86         #baudrate = int(self.comboBox_serial_baudrate.currentText())
 87         self.conn, self.addr = self.s.accept()
 88         #if self.ser.isOpen():
 89             #self.label_tip.setText('this port has been opened')
 90             #self.ser.close()
 91         self.label.setText("Connted")
 92         self.t = Thread(target=self.autosend)
 93         self.t.setDaemon(True)
 94         self.t.start()
 95         #self.label_tip.setText('closed')
 96         #else:
 97             #self.ser = serial.Serial(port, baudrate, timeout = 10)
 98             #if self.ser.isOpen():
 99             #    self.pushButton_open.setText('Connected')
100             #    self.label_tip.setText("open sucessed!")
101                 #self.ser.write('roger!')
102             #else:
103             #    self.label_tip.setText('open failed!')        
104     def ctrl(self):    
105         #if self.ser.isOpen():
106         #if (print 'self.conn' in dir()) and (print 'self.t' in dir()):
107         if True:
108             if not self.t.is_alive():
109             #text = self.lineEdit_sendBuffer.text()
110                 #self.pushButton_send.setText('stop')
111                 #self.start = False
112                 #self.t.wait()
113                 #self.t.quit()
114             #else:
115                 self.pushButton_send.setText('send')
116                 self.start = True
117                 self.t.start()
118     
119     def autosend(self):
120         frame = [int('7e',16),int('7e',16),0,0,0,0,0,0,0,int('8e',16),int('8e',16)]
121         self.pushButton_send.setText('sending')
122         self.i = 0
123         j = 0
124         data =''
125         while True:
126             frame[2] = j
127             if self.i % 10 ==0:
128                 frame[3] =int(random.random()*39)            
129                     frame[4] =int(random.random()*255)
130                     frame[5] =int(random.random()*39)            
131                     frame[6] =int(random.random()*255)
132             frame[7] = self.i /256
133             frame[8] = self.i % 256
134             data =''
135                 for tmp in frame:
136                     data= data + ' '+ str(int(tmp))
137                 #print(data)
138                 self.conn.send(data)  # echo    
139                 time.sleep(0.2)
140             #self.pushButton_send.setText(str(j))
141             #self.label_tip.setText(data)
142                 if self.i < 18000:
143                         self.i += 11
144                     else:
145                         self.i = 0
146                        if j < 255:
147                             j+=1
148                             #    #self.pushButton_send.setText('sending'+str(j))
149                             #    #self.label_tip.setText('frame='+data)
150                     else:
151                             j = 0
152 
153 if __name__ == "__main__":
154     app = QtWidgets.QApplication(sys.argv)
155     w = MyApp()
156     w.show()
157     sys.exit(app.exec_())
158

    接收数据代码

      1 ##-*- coding: utf-8-*
  2 #!D:ProgramDataAnaconda2python.exe
  3 """
  4 Author : LEON
  5 EMAIL:yangli0534@yahoo.com
  6 程序的主要功能
  7 1.SOCKET接收数据
  8 2.解析指令帖并得到命令参数
  9 3。根据命令参数更新GUI
 10 其中1和2在一个线程，3在一个线程
 11 """
 12 import sys
 13 import math
 14 import time
 15 #import serial
 16 from PyQt5 import QtCore, QtGui, uic, QtPrintSupport, QtWidgets
 17 #import serial.tools.list_ports
 18 from  threading import Thread
 19 from PyQt5.QtCore import *
 20 from PyQt5.QtGui import *
 21 from PyQt5.QtWidgets import *
 22 import socket 
 23 
 24 qtCreatorFile = "panel.ui"# GUI file
 25 Ui_MainWindow, QtBaseClass=uic.loadUiType(qtCreatorFile)
 26 
 27 class MyApp(QtWidgets.QMainWindow, Ui_MainWindow):
 28     angle = pyqtSignal(dict) # thread signal 
 29     
 30     def __init__(self):
 31          
 32         QtWidgets.QMainWindow.__init__(self)
 33         Ui_MainWindow.__init__(self)
 34         QThread.__init__(self)
 35         # bkg = QtGui.QPalette()
 36         # bkg.setColor(self.backgroundRole(),QColor(192,253,123))
 37         # self.setPalette(bkg)
 38         self.setupUi(self)
 39         #self.ser =serial.Serial()#serial port handle
 40         #port_list = list(serial.tools.list_ports.comports())#find serial port avaliable
 41         #NoSerial = len(port_list)#number of avaliable serial port 
 42         #if  NoSerial> 0:
 43         #    for port in port_list:
 44         #        self.comboBox_serial_No.addItem(port[0])#add to comboBox
 45         #baudrate = [9600,14400, 19200, 38400, 56000, 57600, 115200]#baudrate
 46         #for baud in baudrate:
 47         #    self.comboBox_serial_baudrate.addItem(str(baud))
 48         #self.comboBox_serial_baudrate.setCurrentIndex(len(baudrate)-1)#default baudrate
 49         #self.comboBox_serial_No.setCurrentIndex(NoSerial-1)#default port
 50         #self.pushButton_open.clicked.connect(self.open)    #serial port open event connted to button clicked
 51         
 52         #self.pushButton_send.clicked.connect(self.send)    #send data event
 53         #self.lcdNumber.display(ord('a'))
 54         #self.param = {"p1":0,"p2":0,"p3":0}
 55         TCP_IP = '127.0.0.1'
 56         TCP_PORT = 5005
 57         BUFFER_SIZE = 1024
 58         self.s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 59         self.s.connect((TCP_IP, TCP_PORT))
 60         self.para1 = 0 # cmd initialization
 61         self.para2 = 0
 62         self.para3 = 0
 63         self.para4 = 0
 64         self.para5 = 0
 65         self.para6 = 0
 66         #self.angle.connect(self.lcdNumber.display)
 67         self.angle.connect(self.paraP)
 68         #self.angle.connect(self.label_3.setText)
 69         self.sec = 0
 70         #self.dial.setValue(90)
 71         #self.label_tip_2.valueChanged.connect(self.dial.setValue())
 72         #self.dial.setFocusPolicy(Qt.StrongFocus)
 73         #self.angle.connect(self.dial.setValue)
 74         #self.dial.valueChanged.connect(self.slider.setValue)
 75         #con = threading.Condition()
 76         #rece=threading.Thread(target=self.receive,args=())
 77         #rece.start()
 78         self.threads =[]
 79         t1 = Thread(target=self.receive)
 80         t1.setDaemon(True) #
 81         t1.start()#start receiving data thread
 82         self.threads.append(t1) 
 83         t2 =Thread(target=self.updateP) 
 84         t2.setDaemon(True)
 85         t2.start() # start update GUI thread
 86         self.threads.append(t2) 
 87         #self.updateP()
 88         '''            
 89     def open(self):#open serial port
 90         port = self.comboBox_serial_No.currentText()
 91         baudrate = int(self.comboBox_serial_baudrate.currentText())
 92         if not self.ser.isOpen():
 93             #self.label_tip.setText('this port has been opened')
 94             #self.ser.close()
 95             #self.pushButton_open.setText('已断开')
 96             #self.label_tip.setText('closed')
 97         #else:
 98             self.ser = serial.Serial(port, baudrate, timeout = 10)
 99             if self.ser.isOpen():
100                 self.pushButton_open.setText('已连接')
101                 self.label_tip.setText('open sucessed!')
102                 self.ser.write('roger!')
103             else:
104                 self.label_tip.setText('open failed!')        
105     '''
106     #def send(self):    #send data
107         #if self.ser.isOpen():
108         #    text = self.lineEdit_sendBuffer.text()
109         #    self.ser.write(str(text))
110     def receive(self):# receive data from uart and analysis the protocol frame to get the parameter 
111         #, and then emit to main thread
112         #self.sec += 1
113         #self.lcdNumber.display(self.sec)
114         fsm = 0
115         cnt_last = 0
116         cnt_new = 1 
117         first = True
118         info = {"p1":0,"p2":0,"p3":0,"p4":0,"p5":0,"p6":0}
119         while True:
120             data = self.s.recv(100)
121             print data
122                 data = data.split(' ')
123                 if len(data)==12:
124                     for i in range(1,len(data)):
125                             data[i] = int(data[i])
126                 cnt_last = cnt_new
127                 cnt_new = data[3]
128                 if not ((cnt_new - cnt_last == 1) or (cnt_new ==0 and cnt_last ==255) or first == True):
129                     print "frame lost, this is ",cnt_new, ' frame'
130                 first = False
131                         if data[1] == int('7E',16) and data[11] == int('8E',16) :
132                             info["p1"] = data[4]
133                             info["p2"] = data[5]
134                             info["p3"] = data[6]
135                             info["p4"] = data[7]
136                             info["p5"] = data[8]
137                             info["p6"] = data[9]
138                             self.angle.emit(dict(info))#emit signal to main programe
139                 else:
140                     print "frame format error"
141             else:
142                 print "frame length error"
143             '''
144              if self.ser.isOpen():
145                  try:
146                     text = self.ser.read(1) #read one byte from uart
147                     if not text :
148                          break
149                     else:
150                         #self.label_3.setText(str(fsm))
151                         text = ord(text)
152                         if fsm == 0:#frame analysis FSM
153                             if text ==int('7e',16):
154                                 fsm = 1
155                             else:
156                                 fsm = 0
157                         elif fsm == 1:
158                             info = {"p1":0,"p2":0,"p3":0,"p4":0,"p5":0,"p6":0}
159                             if text ==int('7e',16):
160                                 fsm = 2
161                             else:
162                                 fsm = 0
163                         elif fsm == 2:
164                             info["p1"]=text
165                             fsm = 3
166                         elif fsm == 3:
167                             info["p2"]=text
168                             fsm = 4
169                         elif fsm == 4:
170                             info["p3"]=text
171                             fsm = 5    
172                         elif fsm == 5:
173                             info["p4"]=text
174                             fsm = 6
175                         elif fsm == 6:
176                             info["p5"]=text
177                             fsm = 7
178                         elif fsm == 7:
179                             info["p6"]=text
180                             fsm = 8        
181                         elif fsm == 8:
182                             if text ==int('8e',16):
183                                 fsm = 9
184                             elif text ==int('7e',16):
185                                 fsm = 1
186                             else:
187                                 fsm = 0
188                         elif fsm ==9:
189                             if text ==int('8e',16):
190                                 fsm = 0
191                                 self.angle.emit(dict(info))#emit signal to main programe
192                             elif text ==int('7e',16):
193                                 fsm = 1
194                             else:
195                                 fsm = 0
196                          #self.angle.emit(str(text))
197                          #self.dial.setValue(int(text))
198                          #self.angle.emit(str((text)))
199                          
200                          #self.angle1.emit(int(text))
201                  except:
202                      break
203             '''
204             #if self.ser.isOpen():
205              # try:
206                 # text = self.ser.read(1) 
207                 # if not text :
208                      # break
209                 # else:
210                     # self.angle.emit(str(ord(text)))
211                     # #self.dial.setValue(int(text))
212                     # #self.angle.emit(str((text)))
213                     
214                     # #self.angle1.emit(int(text))
215              # except:
216                  # break
217     def paraP(self,r_dict):#update GUI
218         self.para1 = r_dict["p1"]*256+r_dict["p2"]
219         self.para2 = r_dict["p3"]*256+r_dict["p4"]
220         self.para3 = r_dict["p5"]*256+r_dict["p6"]
221         #self.para4 = r_dict["p4"]
222         #self.para5 = r_dict["p5"]
223         #self.para6 = r_dict["p6"]
224     def updateP(self):
225         #self.sec += 1
226         #self.lcdNumber.display(self.sec)
227         while True:
228             # if self.sec < 180:
229                 # self.sec += 1
230             # else:
231                 # self.sec = 0
232             #time.sleep(0.5)
233             #print("Thread update--sec="),
234             #print(self.sec),
235             #print("tmp="),
236             time.sleep(1.0/10.00)
237             tmp =str(1.0*self.para1/100.0)
238             self.lcdNumber_2.display(tmp)
239             tmp =str(1.0*self.para2/100.0)
240             self.lcdNumber_3.display(tmp)
241             tmp =str(1.00*self.para3/100.00)
242             self.lcdNumber.display(tmp)
243             #print(tmp)
244             #self.label_tip_3.setText(tmp)
245             #print(len(tmp))
246             #if len(tmp) <4:
247             tmp = int(str(self.para3),10)
248                 #print("Number = "),
249                 #print(tmp)
250                 #self.label_3.setText(str(tmp))
251                 #if tmp > 0 and tmp < 180:
252             #self.dial.setValue(tmp)
253                     
254                     
255 if __name__ == "__main__":
256     app = QtWidgets.QApplication(sys.argv)
257     w = MyApp()
258     w.show()
259     #for t in w.threads:
260         #t.setDaemon(True)
261         #t.start()
262     #w.updateP()    
263     # while True:
264         # time.sleep(0.1)
265         # tmp =str(w.label_tip_2.text())
266         # if tmp.isdigit():
267             # tmp = int(tmp,10)
268             # if tmp > 0 and tmp < 180 :
269                  # w.dial.setValue(tmp)
270 #                self.lcdNumber.display(tmp)
271     sys.exit(app.exec_())
272
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  • 原文地址：https://www.cnblogs.com/hiramlee0534/p/7163688.html
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