RTD test panel

RTD_gui.PNG 

  1##  Example_RTD/ main.py
  2##  This is example for RTD 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_RTD 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_RTD.clicked.connect(self.RTDEvent)
 53
 54    def selectHandle(self):
 55        handle_idx = int(self.ui.comboBox_handle.currentIndex())
 56        if handle_idx == 0:
 57            self.dev = pywpc.USBDAQF1RD()
 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 noiserejection from GUI
 70        self.noiserejection = self.ui.comboBox_noiserejection.currentIndex()
 71
 72    def RTDEvent(self):
 73        ## Update Param
 74        self.updateParam()
 75
 76        ## Read sensor in Channel 0
 77        data = self.dev.Thermal_readSensor(self.port, 0)
 78        print("Read channel 0 data:", data, "°C")
 79
 80        ## Update in GUI
 81        self.ui.lineEdit_sensor0.setText(str(data))
 82
 83        ## Read sensor in Channel 1
 84        data = self.dev.Thermal_readSensor(self.port, 1)
 85        print("Read channel 1 data:", data, "°C")
 86
 87        ## Update in GUI
 88        self.ui.lineEdit_sensor1.setText(str(data))
 89
 90    def setEvent(self):
 91        ## Update Param
 92        self.updateParam()
 93
 94        ## Set RTD port to 1 and set type for two channels
 95        for i in range(2):
 96            status = self.dev.Thermal_setType(self.port, i, self.type)
 97            print("Thermal_setType_async status: ", status)
 98
 99    def connectEvent(self):
100        if self.connect_flag == 1:
101            return
102
103        ## Select handle
104        self.selectHandle()
105
106        ## Update Param
107        self.updateParam()
108
109        ## Connect to device
110        try:
111            self.dev.connect(self.ip)
112        except pywpc.Error as err:
113            print("err: " + str(err))
114            return
115
116        ## Change LED status
117        self.ui.lb_led.setPixmap(QtGui.QPixmap(self.blue_led_path))
118
119        ## Change connection flag
120        self.connect_flag = 1
121
122        ## Open RTD port
123        status = self.dev.Thermal_open(self.port)
124        print("Thermal_open status: ", status)
125
126    def disconnectEvent(self):
127        if self.connect_flag == 0:
128            return
129
130        ## Update Param
131        self.updateParam()
132
133        ## Close RTD port
134        status = self.dev.Thermal_close(self.port)
135        print("Thermal_close status: ", status)
136
137        ## Disconnect device
138        self.dev.disconnect()
139
140        ## Change LED status
141        self.ui.lb_led.setPixmap(QtGui.QPixmap(self.green_led_path))
142
143        ## Change connection flag
144        self.connect_flag = 0
145
146    def closeEvent(self, event):
147        if self.dev is not None:
148            ## Disconnect device
149            self.dev.disconnect()
150
151            ## Release device handle
152            self.dev.close()
153
154if __name__ == "__main__":
155    app = QtWidgets.QApplication([])
156    WPC_main_ui = MainWindow()
157    WPC_main_ui.show()
158    sys.exit(app.exec_())