pyqt5 开发云台控制上位机

通过pyserial库连接云台，对云台进行方向控制

效果图如下（使用Qt designer软件进行界面绘图）：

逻辑控制代码如下：

from Ui_ptzui import *
import sys
from PyQt5.QtWidgets import QApplication,QMainWindow
import serial

class MyMainForm(QMainWindow,Ui_Form):
    def __init__(self,parent=None):
        super(MyMainForm,self).__init__(parent)
        self.setupUi(self)
        self.up = 'FF 01 00 08 00 27 30'
        self.down = 'FF 01 00 10  00 27 38'
        self.right = 'FF 01 00 02 27 00 2A'
        self.left = 'FF 01 00 04 27 00 2C'
        self.lefup = 'FF 01 00 0C 27 27 5B'
        self.rightup = 'FF 01 00 0A 27 27 59'
        self.leftdown = 'FF 01 00 14 27 27 63'
        self.rightdown = 'FF 01 00 12 27 27 61'
        self.stop = 'FF 01 00 00 00 00 01'
        self.yuzhiwei1 = 'FF 01 00 07 00 01 09'
        self.yuzhiwei2 = 'FF 01 00 07 00 02 0A'
        self.yuzhiwei3 = 'FF 01 00 07 00 03 0B'

        self.ser = serial.Serial()
        self.pushButton_duankai.setEnabled(False)
        #打开关闭串口
        self.pushButton_start.clicked.connect(self.OpenCom)
        self.pushButton_duankai.clicked.connect(self.CloseCom)

        #上
        self.pushButton_up.pressed.connect(self.Up)
        self.pushButton_up.released.connect(self.Stop)

        #下
        self.pushButton_down.pressed.connect(self.Down)
        self.pushButton_down.released.connect(self.Stop)

        #右
        self.pushButton_right.pressed.connect(self.Right)
        self.pushButton_right.released.connect(self.Stop)

        #左
        self.pushButton_left.pressed.connect(self.Left)
        self.pushButton_left.released.connect(self.Stop)

        #左上
        self.pushButton_leftup.pressed.connect(self.LeftUp)
        self.pushButton_leftup.released.connect(self.Stop)

        #右上
        self.pushButton_rightup.pressed.connect(self.RightUp)
        self.pushButton_rightup.released.connect(self.Stop)

        #左下
        self.pushButton_leftdown.pressed.connect(self.LeftDown)
        self.pushButton_leftdown.released.connect(self.Stop)

        #右下
        self.pushButton_rightdown.pressed.connect(self.RightDown)
        self.pushButton_rightdown.released.connect(self.Stop)

        #调用预置位1
        self.pushButton_preset1.clicked.connect(self.Yuzhiwei1)

        #调用预置位2
        self.pushButton_preset2.clicked.connect(self.Yuzhiwei2)

        #调用预置位3
        self.pushButton_preset3.clicked.connect(self.Yuzhiwei3)


    def OpenCom(self):
        "打开串口"
        self.ser.port=self.lineEdit_comport.text()
        self.ser.baudrate=int(self.lineEdit_baudrate.text())
        self.ser.bytesize=int(self.lineEdit_bytesize.text())
        self.ser.stopbits=int(self.lineEdit_stopbits.text())
        self.ser.setDTR = 1
        self.ser.open()
        if (self.ser.isOpen()):
            self.pushButton_start.setEnabled(False)
            self.pushButton_duankai.setEnabled(True)

    def CloseCom(self):
        "关闭串口"
        self.ser.close()
        if(self.ser.isOpen()==False):
            self.pushButton_start.setEnabled(True)
            self.pushButton_duankai.setEnabled(False)

    def Stop(self):
        "停止"
        self.ser.write(bytes.fromhex(self.stop))

    def Up(self):
        "上"
        self.ser.write(bytes.fromhex(self.up))
    def Down(self):
        "下"
        self.ser.write(bytes.fromhex(self.down))
    def Right(self):
        "右"
        self.ser.write(bytes.fromhex(self.right))
    def Left(self):
        "左"
        self.ser.write(bytes.fromhex(self.left))
    def LeftUp(self):
        "左上"
        self.ser.write(bytes.fromhex(self.lefup))
    def RightUp(self):
        "右上"
        self.ser.write(bytes.fromhex(self.rightup))
    def LeftDown(self):
        "左下"
        self.ser.write(bytes.fromhex(self.leftdown))
    def RightDown(self):
        "右下"
        self.ser.write(bytes.fromhex(self.rightdown))

    def Yuzhiwei1(self):
        "预置位1"
        self.ser.write(bytes.fromhex(self.yuzhiwei1))

    def Yuzhiwei2(self):
        "预置位2"
        self.ser.write(bytes.fromhex(self.yuzhiwei2))

    def Yuzhiwei3(self):
        "预置位3"
        self.ser.write(bytes.fromhex(self.yuzhiwei3))

            

        



if __name__ == "__main__":
    app = QApplication(sys.argv)
    myWin = MyMainForm()
    myWin.show()
    sys.exit(app.exec_())