#! /usr/bin/env python

# -*- coding: utf-8 -*-

"""

PyQt5 Serial Tool

Author: Hesuping

date: 2018.12

"""

import threading

import time

import serial

import serial.tools.list_ports

import sys

from UI import SERIAL_UI

from PyQt5.QtCore import QTimer

from PyQt5.QtWidgets import (QMainWindow,QApplication)

class SerialTool(QMainWindow,SERIAL_UI):

def __init__(self):

super().__init__()

self.serial_list = list()

self.avaliable_com()

self.UI_init()

self.Activated()

self.initCOM()

#创建定时发送定时器

self.timer_send= QTimer(self)

self.timer_send.timeout.connect(self.UartSend)

def avaliable_com(self):

self.serial_list = []

port_list = list(serial.tools.list_ports.comports())

if len(port_list) > 0:

for port_com in port_list:

port_list_0 =list(port_com)

port_serial = port_list_0[0]

self.serial_list.append(port_serial)

def Activated(self):

self.com.activated[str].connect(self.ComActivated)

self.RefreshCom.clicked.connect(self.RefreshComActivated)

self.baudrate.activated[str].connect(self.BaudActivated)

self.parity_bit.activated[str].connect(self.ParityBitActivated)

self.data_bit.activated[str].connect(self.DataBitActivated)

self.stop_bit.activated[str].connect(self.StopBitActivated)

self.StartCom.clicked[bool].connect(self.StartComActivated)

self.ClearSend.clicked.connect(self.ClearSendActivated)

self.ClearReceive.clicked.connect(self.ClearReceiveActivated)

self.InputSend.clicked.connect(self.UartSend)

self.TimerSendCheck.stateChanged.connect(lambda: self.CheckActivated(self.TimerSendCheck))

#self.HexSend.stateChanged.connect(lambda: self.CheckActivated(self.HexSend))

#self.HexReceive.stateChanged.connect(lambda: self.CheckActivated(self.HexReceive))

def initCOM(self):

self.l_serial = serial.Serial()

self.l_serial.port = "COM1"

self.l_serial.baudrate = 9600

self.l_serial.bytesize = 8

self.l_serial.stopbits = 1

self.l_serial.parity = serial.PARITY_EVEN

self.l_serial.timeout = 2

def closeEvent(self,event):

if self.l_serial.isOpen():

self.l_serial.close()

def ComActivated(self,text):

self.l_serial.port = text

def RefreshComActivated(self):

self.avaliable_com()

self.ComRelist()

def BaudActivated(self,text):

self.l_serial.baudrate = int(text)

def ParityBitActivated(self,text):

if(text == 'NONE'):

self.l_serial.parity = serial.PARITY_NONE

elif(text == 'ODD'):

self.l_serial.parity = serial.PARITY_ODD

elif(text == 'EVEN'):

self.l_serial.parity = serial.PARITY_EVEN

def DataBitActivated(self,text):

self.l_serial.bytesize = int(text)

def StopBitActivated(self,text):

self.l_serial.stopbits = int(text)

def StartComActivated(self,pressed):

source = self.sender()

if self.l_serial.isOpen():

self.timer_send.stop()

self.l_serial.close()

self.thread_read.join()

self.StartCom.setText("打开串口")

#self.square.setStyleSheet("QFrame { background-color: red}")

else:

self.l_serial.open()

self.StartCom.setText("关闭串口")

#self.square.setStyleSheet("QFrame { background-color: green}")

#self.col.setGreen(255)

self.thread_read = None

self.thread_read = threading.Thread(target=self.UartRead)

self.thread_read.setDaemon(1)

self.thread_read.start()

def UartRead(self):

while self.l_serial.isOpen():

time.sleep(0.2)

data = ''

data = data.encode('utf-8')

n = self.l_serial.inWaiting()

if n:

data = data + self.l_serial.read(n)

if self.HexReceive.checkState(): # 16进制接收

hex_data=''

for i in range(0, len(data)):

hex_data = hex_data + '{:02X}'.format(data[i]) + ' '

self.OutputText.append(hex_data.strip())

else :

self.OutputText.append(data.decode().strip())

def ClearSendActivated(self):

self.InputText.setPlainText('')

def ClearReceiveActivated(self):

self.OutputText.setPlainText('')

def UartSend(self):

InputStr = self.InputText.toPlainText()

if InputStr != "":

if self.HexSend.checkState():

#发送十六进制数据

InputStr = InputStr.strip() #删除前后的空格

send_list=[]

while InputStr != '':

try:

num = int(InputStr[0:2], 16)

except ValueError:

print('input hex data!')

QMessageBox.critical(self, 'pycom','请输入十六进制数据，以空格分开!')

return None

InputStr = InputStr[2:]

InputStr = InputStr.strip()

#添加到发送列表中

send_list.append(num)

InputStr = bytes(send_list)

self.l_serial.write(InputStr)

else :

self.l_serial.write(InputStr.encode())

def CheckActivated(self,BtnCheck):

if BtnCheck == self.TimerSendCheck:

if self.TimerSendCheck.checkState():

time = self.TimerSendValue.text()

time_val = int(time, 10)

if time_val>0 :

self.timer_send.start(time_val)

else:

self.timer_send.stop()

if __name__ == '__main__':

app = QApplication(sys.argv)

ex = SerialTool()

sys.exit(app.exec_())

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