【实例简介】tkinter的GUI，pyserial模块
【实例截图】
【核心代码】
'''
if(self.Status == True):
self.ser = serial.Serial(self.port.get(), int(self.baud.get()), timeout=30)
self.Btn.set('关闭')
self.Status = False
t = threading.Thread(target=self.get_thread)
t.start()
else:
self.Btn.set('打开')
self.Status = True
self.ser.close()
'''
import tkinter as tk
from tkinter import ttk
import serial
import threading
class Scom:
def get_thread(self):
while True:
if(self.Status == False):
n = self.ser.inWaiting()
if n:
self.get_data.insert('end', self.ser.read(n).decode('utf-8'))
else:
break
print('退出线程')
def dakai(self):
if self.Status == True:
self.ser = serial.Serial()
self.ser.port = self.port.get()
self.ser.baudrate = int(self.baud.get())
self.ser.timeout = 2
self.ser.open()
if self.ser.isOpen():
self.Status = False
self.thread_read = threading.Thread(target=self.get_thread)
self.thread_read.start()
self.Btn.set('关闭')
else:
self.Status = True
self.Btn.set('打开')
self.thread_read.join()
self.ser.close()
def send(self):
self.ser.write(self.sendstr.get().encode('utf-8'))
def __init__(self):
__win = tk.Tk()
__win.title('串口工具')
__win.geometry('300x300')
__win.resizable(False, False)
tk.Label(__win, text='端口号').grid(row=1, column=1)
tk.Label(__win, text='波特率').grid(row=2, column=1)
self.port = tk.StringVar()
__plist = ttk.Combobox(__win, textvariable=self.port, width=12, state='readonly')
__plist['values'] = ('COM1', 'COM2', 'COM3', 'COM4', 'COM5', 'COM6', 'COM7', 'COM8', 'COM9')
__plist.current(0)
__plist.grid(row=1, column=2)
self.baud = tk.StringVar()
__blist = ttk.Combobox(__win, textvariable=self.baud, width=12, state='readonly')
__blist['values'] = ('9600', '19200', '38400', '115200')
__blist.current(3)
__blist.grid(row=2, column=2)
self.Btn = tk.StringVar()
self.Btn.set('打开')
tk.Button(__win, textvariable=self.Btn, command=self.dakai, width=6).grid(row=3, column=1)
tk.Button(__win, text='发送', command=self.send, width=6).grid(row=4, column=1)
self.sendstr = tk.StringVar()
tk.Entry(__win, textvariable=self.sendstr, width=20).grid(row=4, column=2)
tk.Label(__win, text='接收数据').grid(row=5, column=1)
self.frm = tk.Frame(__win)
self.frm.grid(row=6, column=2)
self.get_data = tk.Text(self.frm, height=10, width=20)
self.bar = tk.Scrollbar(self.frm)
self.bar.config(command=self.get_data.yview)
self.get_data.config(yscrollcommand=self.bar.set)
self.bar.pack(side=tk.RIGHT, fill=tk.Y)
self.get_data.pack(side=tk.LEFT, fill=tk.BOTH, expand=1)
self.Status = True
__win.mainloop()
Scom()
