忙活了三个多小时，连学带做，总算是搞出来了一个具有基本功能的串口通信pc机的gui界面，tkinter在python中确实很好用，而且代码量确实也很少，不足的是tkinter不自带combox，但是幸运的是我下载的2.7版本自带了包含有combox的ttk模块，于是乎问题就顺利解决了。
下面是源代码，一些错误提示功能还没有做，目前只是简单地实现了下位机与pc的通信界面，下位机还是用的stm32f103
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#encoding=utf-8__author__ = 'freedom' from tkinter import *from serial import *import ttk class gui(frame): def __init__(self,master): frame = frame(master) frame.pack() #串口设置相关变量 self.port = 0 self.baudrate = 9600 #串口号提示 self.lab1 = label(frame,text = 'serial number') self.lab1.grid(row = 0,column = 0,sticky = w) #串口号选择下拉菜单 self.boxvalue = stringvar() self.boxchoice = ttk.combobox(frame,textvariable = self.boxvalue,state = 'readonly') self.boxchoice['value'] = ('com1','com2','com3','com4') self.boxchoice.current(0) self.boxchoice.bind('<<comboboxselected>>',self.choice) self.boxchoice.grid(row = 1,column = 0,sticky = w) #波特率选择提示 self.lab2 = label(frame,text = 'baudrate set') self.lab2.grid(row = 2,column = 0,sticky = w) #波特率选择下拉菜单 self.boxvaluebaudrate = intvar() self.baudratechoice = ttk.combobox(frame,textvariable = self.boxvaluebaudrate,state = 'readonly') self.baudratechoice['value'] = (9600,115200) self.baudratechoice.current(0) self.baudratechoice.bind('<<comboboxselected>>',self.choicebaudrate) self.baudratechoice.grid(row = 3,column = 0,sticky = w) #输出框提示 self.lab3 = label(frame,text = 'message show') self.lab3.grid(row = 0,column = 1,sticky = w) #输出框 self.show = text(frame,width = 40,height = 5,wrap = word) self.show.grid(row = 1,column = 1,rowspan = 4,sticky = w) #输入框提示 self.lab4 = label(frame,text = 'input here,please!') self.lab4.grid(row = 5,column = 1,sticky = w) #输入框 self.input = entry(frame,width = 40) self.input.grid(row = 6,column = 1,rowspan = 4,sticky = w) #输入按钮 self.button1 = button(frame,text = "input",command = self.submit) self.button1.grid(row = 11,column = 1,sticky = e) #串口开启按钮 self.button2 = button(frame,text = 'open serial',command = self.open) self.button2.grid(row = 7,column = 0,sticky = w) #串口关闭按钮 self.button3 = button(frame,text = 'close serial',command = self.close) self.button3.grid(row = 10,column = 0,sticky = w) #串口信息提示框 self.showserial = text(frame,width = 20,height = 2,wrap = word) self.showserial.grid(row = 12,column = 0,sticky = w) #串口初始化配置 self.ser = serial() self.ser.setport(self.port) #self.ser.setbaudrate(self.baudrate) #self.ser.open() #print self.ser.isopen() #print self.ser def choice(self,event): context = self.boxvalue.get() list = ["com1",'com2','com3','com4'] if context in list: self.port = list.index(context) self.ser.setport(self.port) print self.port def choicebaudrate(self,event): self.baudrate = self.boxvaluebaudrate.get() self.ser.setbaudrate(self.baudrate) print self.baudrate def submit(self): context1 = self.input.get() n = self.ser.write(context1) output = self.ser.read(n) print output self.show.delete(0.0,end) self.show.insert(0.0,output) def open(self): self.ser.open() if self.ser.isopen() == true: self.showserial.delete(0.0,end) self.showserial.insert(0.0,"serial has been opend!") def close(self): self.ser.close() if self.ser.isopen() == false: self.showserial.delete(0.0,end) self.showserial.insert(0.0,"serial has been closed!")root = tk()root.title("serial gui")#root.geometry("3000x4000")app = gui(root)root.mainloop() |
以上这篇对python 简单串口收发gui界面的实例详解就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/freedom098/article/details/48211567
