TC test panel

TC_gui.PNG 

  1##  Example_Thermo/ main.py
  2##  This is example for thermocouple with WPC DAQ Device with synchronous mode.
  3##  Copyright (c) 2023 WPC Systems Ltd.
  4##  All rights reserved.
  5
  6## Python
  7import sys
  8import os
  9
 10## Third party
 11from PyQt5 import QtWidgets, QtGui
 12from UI_design.Ui_example_GUI_thermocouple import Ui_MainWindow
 13
 14## WPC
 15from wpcsys import pywpc
 16
 17DEVIDER = 2000
 18class MainWindow(QtWidgets.QMainWindow):
 19    def __init__(self):
 20        super(MainWindow, self).__init__()
 21
 22        ## UI initialize
 23        self.ui = Ui_MainWindow()
 24        self.ui.setupUi(self)
 25
 26        ## Get Python driver version
 27        print(f'{pywpc.PKG_FULL_NAME} - Version {pywpc.__version__}')
 28
 29        ## Connection flag
 30        self.connect_flag = 0
 31
 32        ## Handle declaration
 33        self.dev = None
 34
 35        ## Material path
 36        file_path = os.path.dirname(__file__)
 37        self.trademark_path = file_path + "\Material\\trademark.jpg"
 38        self.blue_led_path = file_path + "\Material\LED_blue.png"
 39        self.red_led_path = file_path + "\Material\LED_red.png"
 40        self.green_led_path = file_path + "\Material\LED_green.png"
 41        self.gray_led_path = file_path + "\Material\LED_gray.png"
 42
 43        ## Set trademark & LED path
 44        self.ui.lb_trademark.setPixmap(QtGui.QPixmap(self.trademark_path))
 45        self.ui.lb_led.setPixmap(QtGui.QPixmap(self.gray_led_path))
 46
 47        ## Define callback events
 48        self.ui.btn_connect.clicked.connect(self.connectEvent)
 49        self.ui.btn_disconnect.clicked.connect(self.disconnectEvent)
 50
 51        self.ui.btn_set.clicked.connect(self.setEvent)
 52        self.ui.btn_temp.clicked.connect(self.tempEvent)
 53
 54    def selectHandle(self):
 55        handle_idx = int(self.ui.comboBox_handle.currentIndex())
 56        if handle_idx == 0:
 57            self.dev = pywpc.USBDAQF1TD()
 58
 59    def updateParam(self):
 60        ## Get IP or serial_number from GUI
 61        self.ip = self.ui.lineEdit_IP.text()
 62
 63        ## Get port from GUI
 64        self.port = int(self.ui.comboBox_port.currentIndex())+1
 65
 66        ## Get type from GUI
 67        self.type = self.ui.comboBox_type.currentIndex()
 68
 69        ## Get oversampling from GUI
 70        self.oversampling = self.ui.comboBox_oversampling.currentIndex()
 71
 72        ## Get noiserejection from GUI
 73        self.noiserejection = self.ui.comboBox_noiserejection.currentIndex()
 74
 75    def tempEvent(self):
 76        ## Update Param
 77        self.updateParam()
 78
 79        ## Read sensor in Channel 0
 80        data = self.dev.Thermal_readSensor(self.port, 0)
 81        print("Read channel 0 data:", data, "°C")
 82
 83        ## Update in GUI
 84        self.ui.lineEdit_sensor0.setText(str(data))
 85
 86        ## Read sensor in Channel 1
 87        data = self.dev.Thermal_readSensor(self.port, 1)
 88        print("Read channel 1 data:", data, "°C")
 89
 90        ## Update in GUI
 91        self.ui.lineEdit_sensor1.setText(str(data))
 92
 93    def setEvent(self):
 94        ## Update Param
 95        self.updateParam()
 96
 97        ## Set thermo port and type
 98        for i in range(2):
 99            status = self.dev.Thermal_setType(self.port, i, self.type)
100            print("Thermal_setType status: ", status)
101
102        ## Set thermo port and over-sampling mode
103        for i in range(2):
104            status = self.dev.Thermal_setOverSampling(self.port, i, self.oversampling)
105            print("Thermal_setOverSampling status: ", status)
106
107    def connectEvent(self):
108        if self.connect_flag == 1:
109            return
110
111        ## Select handle
112        self.selectHandle()
113
114        ## Update Param
115        self.updateParam()
116
117        ## Connect to device
118        try:
119            self.dev.connect(self.ip)
120        except pywpc.Error as err:
121            print("err: " + str(err))
122            return
123
124        ## Change LED status
125        self.ui.lb_led.setPixmap(QtGui.QPixmap(self.blue_led_path))
126
127        ## Change connection flag
128        self.connect_flag = 1
129
130        ## Open thermo port
131        status = self.dev.Thermal_open(self.port)
132        print("Thermal_open status: ", status)
133
134    def disconnectEvent(self):
135        if self.connect_flag == 0:
136            return
137
138        ## Update Param
139        self.updateParam()
140
141        ## Close thermo port
142        status = self.dev.Thermal_close(self.port)
143        print("Thermal_close status: ", status)
144
145        ## Disconnect device
146        self.dev.disconnect()
147
148        ## Change LED status
149        self.ui.lb_led.setPixmap(QtGui.QPixmap(self.green_led_path))
150
151        ## Change connection flag
152        self.connect_flag = 0
153
154    def closeEvent(self, event):
155        if self.dev is not None:
156            ## Disconnect device
157            self.dev.disconnect()
158
159            ## Release device handle
160            self.dev.close()
161
162if __name__ == "__main__":
163    app = QtWidgets.QApplication([])
164    WPC_main_ui = MainWindow()
165    WPC_main_ui.show()
166    sys.exit(app.exec_())