python实战串口助手---6实现串口接收

2018-2-1 09:50:22 4185 串口助手接收

由于昨天早晨没有调试成功，心里一直不爽，觉都睡不好，于是今早不到2点就起来继续调试，终于把昨天的BUG找到了，还是串口参数配置的问题，先上代码。
#! /usr/bin/env python
# -*- coding: utf-8 -*-

import time
import datetime
import threading
import binascii
import platform
import logging
import serial
import SerialDeal
import serialMainUI

if platform.system() == "Windows":
from  serial.tools import list_ports
elif platform.system() == "Linux":
import glob, os, re

import wx
import wx.xrc

logging.basicConfig(level=logging.DEBUG,
                  format='%(asctime)s %(filename)s[line:%(lineno)d] %(levelname)s %(message)s',
                  datefmt='%a, %d %b %Y %H:%M:%S')
class MainSerialUI(serialMainUI.serialFrame):
def __init__(self, master):
      super(MainSerialUI, self).__init__()
      self.ser = None
      self.receive_count = 0
      self.receive_data = ""
      self.list_box_serial = None
def __del__(self):
      if platform.system() == "Linux":
         try:
            self.ser.SetStopEvent()
         except:
            pass
def m_openserOnButtonClick( self, event ):
      try:
         self.port = self.m_comset.GetValue()
         #print ("com is %s" % self.port)
         self.baudrate = self.m_comboBox2.GetValue()
         #print ("buadrate is %s" % self.baudrate)
         self.parity = self.m_comboBox4.GetValue()
         #print ("parity is %s" % self.parity)
         self.databit = self.m_comboBox3.GetValue()
         #print ("databit is %s" % self.databit)
         self.stopbit = self.m_comboBox5.GetValue()
         #print ("stopbit is %s" % self.stopbit)
         self.ser = SerialDeal.serDeal(Port=self.port,
                                       BaudRate=self.baudrate,
                                       ByteSize=self.databit,
                                       Parity=self.parity,
                                       Stopbits=self.stopbit)

         self.ser.start()
         if self.ser.alive:
            print 'succes'
            self.thread_read = threading.Thread(target=self.SerRead)
            self.thread_read.setDaemon(True)
            self.thread_read.start()
         else:
            print '0'
      except Exception as e:
         #logging.error(e)
         print u'打开串口失败'
def SerRead(self):
      try:
         n = self.ser.serSer.inWaiting()
         if n:
            self.receive_data += self.ser.read(n).replace(binascii.unhexlify("00"), "")
         if self.ser.thresholdValue <= len(self.receive_data):
            self.receive_count += 1

                  # 接收显示是否为Hex
            if self.m_rcvBox.get() == 1:
                  self.receive_data = self.space_b2a_hex(self.receive_data)
            self.m_rcvtext.insert("end", "[" + str(datetime.datetime.now()) + " - "
                                             + str(self.receive_count) + "]:n", "green")
            self.m_rcvtext.insert("end", self.receive_data + "n")
            self.m_rcvtext.see("end")
            self.receive_data = ""
      except Exception as e:
         logging.error(e)
         self.receive_data = ""
         self.ser.stop()
         self.ser = None
def m_clrRcvTextOnButtonClick( self, event ):
      self.m_rcvtext.Clear()
      event.Skip()
def space_b2a_hex(self, data):
      '''
      格式化接收到的数据字符串
      示例：123 --> 31 32 33
      '''
      new_data_list = list()
      new_data = ""

      hex_data = binascii.b2a_hex(data)
      temp_data = ""
      for index,value in enumerate(hex_data):
         temp_data += value
         if len(temp_data) == 2:
            new_data_list.append(temp_data)
            temp_data = ""
      for index,value in enumerate(new_data_list):
         if index%25 == 0 and index != 0:
            new_data += "n"
         new_data += value
         new_data += " "

      return new_data
def m_send1butOnButtonClick( self, event ):
      if self.ser.alive:
         send_data = self.m_textCtrl5.GetValue()
         #try:

def m_clr1butOnButtonClick( self, event ):
      self.m_textCtrl5.Clear()

def main():
app = wx.App()
MainSerialUI(app).Show(True)
app.MainLoop()

if __name__ == '__main__':
main()
这段代码，配合前2次的代码，就可以运行串口的接收了，很是兴奋啊，下面还有串口的发送没有调试，改天搞定了，再次上传给大家。
下面就BUG说明一下：
大家看我的代码处有好多的#注释，就是我在调试时用于确认哪一步出错的，大家也可以试试这种调试方式。

                                                                                          发稿与2018年1月24日早