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串口 冉钊.py
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串口 冉钊.py
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import tkinter as tk
from tkinter import ttk
import serial
from tkinter import *
# 窗口基本形状
window = tk.Tk()
window.title("串口助手 by 冉钊")
window.geometry("400x500+500+200")
portx = ""
baudrate = 0
stopbits = serial.STOPBITS_ONE
Parity = serial.PARITY_NONE
bytesize = serial.EIGHTBITS
def com():
if chuankou.current() == 0: # com3 get()方法能得当前选项的值
global portx
portx = "com3"
elif chuankou.current() == 1: # com6
portx = "com6"
else:
portx = "com4" # com4
def botelv_function():
global baudrate
if botelv.current() == 0: # 57600
baudrate = 57600
elif botelv.current() == 1: # 115200
baudrate = 115200
elif botelv.current() == 2: # 256000
baudrate = 25600
else:
baudrate = 460800 # 460800
def tingzhiwei_function():
global stopbits
if tingzhiwei.current() == 0:
stopbits = serial.STOPBITS_ONE
elif tingzhiwei.current() == 1:
stopbits = serial.STOPBITS_ONE_POINT_FIVE
elif tingzhiwei.current() ==2:
stopbits = serial.STOPBITS_TWO
def shujuwei_function():
global bytesize
if shujuwei.current() == 0: # 分别是’8‘和’7‘
bytesize = serial.EiGHTBITS
elif shujuwei.current() == 1:
bytesize = serial.SEVENBITS
def jiaoyanwei_function():
global Parity
if jiaoyanwei.current() == 0: # 分别是奇校验 偶校验 无校验
Parity = serial.PARITY_ODD
elif jiaoyanwei.current() == 1:
Parity = serial.PARITY_EVEN
elif jiaoyanwei.current() == 2:
Parity = serial.PARITY_NONE
def start():
com()
botelv_function()
tingzhiwei_function()
shujuwei_function()
jiaoyanwei_function()
global ser
ser = serial.Serial(portx, baudrate, bytesize, Parity, stopbits,
timeout=None, xonxoff=0, rtscts=0, interCharTimeout=None)
try:
if ser.is_open:
pass
ser.open()
while True:
if ser.in_waiting:
str1 = ser.read(ser.in_waiting).decode("gbk")
if str == "exit": # 退出标志
break
else:
txt1.insert(END, str1)
except Exception as e:
print("---异常---：", e)
def close():
ser.close()
def send():
s = txt2.get("1.0", END)
ser.write(s.encode("gbk"))
frame1 = Frame(master=window, padx=5, pady=10, width=220, height=250)
frame2 = Frame(master=window, padx=5, pady=10, width=220, height=120)
frame1.place(relx=0, rely=0.05)
frame2.place(relx=0, rely=0.75)
txt1 = Text(frame1, width=25, height=20)
txt2 = Text(frame2, width=25, height=5)
txt1.pack(side='left', fill=BOTH, expand=True)
txt2.pack(side='left', fill=BOTH, expand=True)
scr1 = Scrollbar(frame1)
scr1.pack(side=RIGHT, fill=Y)
scr2 = Scrollbar(frame2)
scr2.pack(side=RIGHT, fill=Y)
txt1.config(yscrollcommand=scr1.set) # 文本框和滚动条结合
scr1.config(command=txt1.yview)
txt2.config(yscrollcommand=scr2.set)
scr2.config(command=txt2.yview)
button1 = tk.Button(window, text="开启串口", command=start) # 这里应该有command 以后加上
button2 = tk.Button(window, text="关闭串口", command=close )
button3 = tk.Button(window, text="清除接受", command=lambda: txt1.delete('1.0', END)) # command=lambda”:函数名（参数列表）
button4 = tk.Button(window, text="保存接受")
button5 = tk.Button(window, text="发送", width=7, command=send)
button6 = tk.Button(window, text="清除发送", command=lambda: txt2.delete('1.0', END))
button1.place(relx=0.65, rely=0.5)
button2.place(relx=0.85, rely=0.5)
button3.place(relx=0.65, rely=0.65)
button4.place(relx=0.85, rely=0.65)
button5.place(relx=0.65, rely=0.8)
button6.place(relx=0.85, rely=0.8)
label1 = tk.Label(window,
text="串口选择:",
font=("楷体", 12),
width=15, height=2)
label2 = tk.Label(window,
text="波特率：",
font=("楷体", 12),
width=15, height=2)
label3 = tk.Label(window,
text="停止位:",
font=("楷体", 12),
width=15, height=2)
label4 = tk.Label(window,
text="数据位:",
font=("楷体", 12),
width=15, height=2)
label5 = tk.Label(window,
text="校验位:",
font=("楷体", 12),
width=15, height=2)
label6 = tk.Label(window,
text="串口操作:",
font=("楷体", 12),
width=15, height=2)
label7 = tk.Label(window,
text="数据操作:",
font=("楷体", 12),
width=15, height=2)
label8 = tk.Label(window,
text="接收数据:",
font=("楷体", 12),
width=15, height=2)
label9 = tk.Label(window,
text="发送数据:",
font=("楷体", 12),
width=15, height=2)
label1.place(relx=0.55, rely=0)
label2.place(relx=0.55, rely=0.1)
label3.place(relx=0.55, rely=0.15)
label4.place(relx=0.55, rely=0.2)
label5.place(relx=0.55, rely=0.25)
label6.place(relx=0.55, rely=0.42)
label7.place(relx=0.55, rely=0.58)
label8.place(relx=0, rely=0, y=-5)
label9.place(relx=0, rely=0.69)
var1 = tk.StringVar()
chuankou = ttk.Combobox(window, textvariable=var1, width=6, height=2)
chuankou['values'] = ('COM3', 'COM6', 'COM4')
chuankou['state'] = 'readonly'
chuankou.current(0)
chuankou.place(relx=0.8, rely=0.005)
var2 = tk.StringVar()
botelv = ttk.Combobox(window, textvariable=var2, width=6, height=2)
botelv['values'] = ('57600', '115200', '256000', '460800')
botelv['state'] = 'readonly'
botelv.current(0)
botelv.place(relx=0.8, rely=0.105)
var3 = tk.StringVar()
tingzhiwei = ttk.Combobox(window, textvariable=var3, width=6, height=2)
tingzhiwei['values'] = ('1', '1.5', '2')
tingzhiwei['state'] = 'readonly'
tingzhiwei.current(0)
tingzhiwei.place(relx=0.8, rely=0.155)
var4 = tk.StringVar()
shujuwei = ttk.Combobox(window, textvariable=var4, width=6, height=2)
shujuwei['values'] = ('8', '7')
shujuwei['state'] = 'readonly'
shujuwei.current(0)
shujuwei.place(relx=0.8, rely=0.205)
var5 = tk.StringVar()
jiaoyanwei = ttk.Combobox(window, textvariable=var5, width=6, height=2)
jiaoyanwei['values'] = ('奇校验', '偶校验', '无校验')
jiaoyanwei['state'] = 'readonly'
jiaoyanwei.current(2)
jiaoyanwei.place(relx=0.8, rely=0.255)
window.mainloop()