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   源码介绍

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用wxPython实现串口助手

#

 -*- coding: utf-8 -*-

import os, sys
import threading
import time
import binascii
import logging
import serial
#import common.serial as serial

cwd = os.getcwd()
print cwd

class serDeal(object):
def __init__(self, Port = "COM6", BaudRate = 9600, ByteSize = 8, Parity = "N", Stopbits = 1, timeout = None, xonxof = 0, rtscts = 0):
self.serSer = None
self.alive = False
self.port = Port
self.baudrate = BaudRate
self.bytesize = ByteSize
self.parity = Parity
self.stopbits = Stopbits
self.timeout = timeout
self.thresholdValue = 64
self.receive_data = ""

def start(self):
self.serSer = serial.Serial()
self.serSer.port = self.port
self.serSer.baudrate= self.baudrate
self.serSer.bytesize = self.bytesize
self.serSer.parity = self.parity
self.serSer.stopbits = self.stopbits
self.serSer.timeout = self.timeout

try:
self.serSer.open()
if self.serSer.isOpen():
self.alive = True
except Exception as e:
self.alive = False
logging.error(e)

def stop(self):
while self.alive : 
try:
number = self.serSer.inWaiting()
if number :
self.receive_data = self.serSer.read(number).replace(binascii.unhexlify("00"))
if self.thresholdValue <= len(self.receive_data):
self.receive_data = ""
except Exception as e:
logging.error(e)

def readcom(self):
#'we can deal with the UART output'
clear_time = 0
while 1:
sleep(0.05)
reading = self.serSer.readall()
if len(reading) >0:
LOG = self.serSer.port ":" reading
print LOG
self.__conservelog(LOG)
clear_time = 0
else:
clear_time = clear_time 1


if clear_time > 10:
break

def write(self, data, isHex = False):
if self.alive :
if self.serSer.isOpen :
if isHex :
data = binascii.unhexlify(data)
self.serSer.write(data)

#support input from Console
def write_serial_con(self):
while 1:
command = raw_input()
for character in command:
self.serSer.write(character)
self.serSer.write('\r')

def write_serial(self,command):
for character in command:
self.serSer.write(character)
self.serSer.write('\r')
self.readcom()

## 发送指令的完整流程
def send_cmd(self, cmd):
self.port.write(cmd)
response = self.port.readall()
response = self.convert_hex(response)
return response

# 转成16进制的函数
def convert_hex(self, string):
res = []
result = []
for item in string:
res.append(item)
for i in res:
result.append(hex(i))

return result

def __conservelog(self,read_data):
with open('testlog','a ') as writelog:
writelog.write(time.strftime('%Y-%m-%d-%H:%M:%S',time.localtime(time.time())) ': ' read_data '\r')

def close_serial(self):
self.serSer.close()

'''
# 打开端口
        self.port = serial.Serial(port='COM4', baudrate=9600, bytesize=8, parity='E', stopbits=1, timeout=2)

    # 发送指令的完整流程
    def send_cmd(self, cmd):
        self.port.write(cmd)
        response = self.port.readall()
        response = self.convert_hex(response)
        return response

    # 转成16进制的函数
    def convert_hex(self, string):
        res = []
        result = []
        for item in string:
            res.append(item)
        for i in res:
            result.append(hex(i))
        return result

def hexShow(argv):
result = ''
hLen = len(argv)
for i in xrange(hLen):
hvol = ord(argv[i])
hhex = '%02x'%hvol
result = hhex ' '
其中，read(value)方法的参数value为需要读取的字符长度。 如果想要全部读取，提供两个方法：
1）inWaiting：：监测接收字符。 inWaitting返回接收字符串的长度值，然后把这个值赋给read做参数。
2）readall（）：：读取全部字符。

def hexsend(string_data=''):
hex_data = string_data.decode("hex")
return hex_data
'''