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#encoding=utf-8 __author__ = 'ggrarea' from threading import * from time import * from tkinter import * from serial import * import tkinter.ttk as ttk from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg from matplotlib.figure import Figure class GUI(Frame): def __init__(self,master): # 构造串口的属性 self.x = [0.0] self.y = [0.0] self.alive = False frame = Frame(master) frame.pack() #串口设置相关变量 self.port = 'COM12' self.baudrate = 115200 #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','COM5','COM6','COM7','COM8','COM12') self.boxChoice.current(8) 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(1) 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 = "发送",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.port = self.port self.ser.baudrate = self.baudrate #增加的GUI图表界面*************************** self.f = Figure(figsize=(5, 4), dpi=100) self.canvas = FigureCanvasTkAgg(self.f, master=frame) self.canvas.show() #GUI.canvas.grid(row=13) # 第0行，占用3列 self.canvas.get_tk_widget().grid(row=13, columnspan=3) #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','COM5','COM6','COM7','COM8','COM12'] if context in list: self.port = context self.ser.setPort(self.port) #self.ser.timeout = 2 #设置等待时间，若超出这停止等待 print (self.port) def ChoiceBaudrate(self,event): self.baudrate = self.boxValueBaudrate.get() #self.ser.setBaudrate(self.baudrate) self.ser.baudrate = self.baudrate print (self.baudrate) def Submit(self): context1 = self.input.get() self.ser.write(bytes(context1, encoding="utf8")) #output = self.ser.read(n) #print (output) #self.show.delete(0.0,END)#清除显示 #self.show.insert(0.0,output) def FirstReader(self): data ="" while self.alive: time.sleep(0.1) n = self.ser.in_waiting if n: newdata = self.ser.read(n).decode('utf-8','ignore'); data = data + newdata dataend = data.rfind('\r\n'); datastart = data.rfind('Roll=', 0, dataend) + len('Roll='); if dataend != -1: # 有数据 roll = float(data[datastart: dataend]); self.x.append(self.x[-1]+1) self.y.append(roll) print('get roll from serial port:', roll) self.f.clf() self.a = self.f.add_subplot(111) self.a.plot(self.x, self.y, label="val", color='r') leg = self.a.legend(loc='upper right', ncol=1, mode="None", shadow=True, fancybox=True) leg.get_frame().set_alpha(0) self.a.set_title('roll') self.canvas.show() self.show.delete(0.0, END) # 清除显示 self.show.insert(END, data) 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!") self.alive = True self.thread_read = Thread(target=self.FirstReader) self.thread_read.setDaemon(True) #守护线程 self.thread_read.start() def close(self): #self.thread_read. self.alive = False #关闭当前线程 # join的作用是保证当前线程执行完成后，再执行其它线程。join可以有timeout参数，表示阻塞其它线程timeout秒后，不再阻塞。详见官方文档。 self.thread_read.join() if self.ser.isOpen() == True: 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() |
这是检测偏航角yaw的测试数据，确实yaw会随着时间漂移。大概20分钟会漂移3~5°的样子，而且是累计增加。。。。。
转载请注明：徐自远的乱七八糟小站 » 【原创】PYTHON上位机三轴输出波形检测
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