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filter.py
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filter.py
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import sys
import time
import PyQt5
# import pyvisa
import serial
import qdarkstyle
from PyQt5.QtGui import QIcon
from PyQt5.QtWidgets import QApplication, QWidget, QMessageBox
import BandPassFilter
import serial.tools.list_ports as lp
#rm = pyvisa.ResourceManager()
#rs = list(rm.list_resources())
step_list = []
a = 0
for i in list(range(1, 16, 1)):
a = 0.007 * i
step_list.append(str(a))
class MyWindow(BandPassFilter.Ui_Form,QWidget):
def __init__(self):
super().__init__()
self.setupUi(self)
self.init_ui()
self.my_signal()
rs = list(lp.comports())
for item in rs:
self.comboBox_1.addItem(str(item))
self.comboBox_2.addItem(str(item))
for item in step_list:
self.step_cbx_1.addItem(str(item))
self.step_cbx_2.addItem(str(item))
def init_ui(self):
self.setWindowTitle("Tunable Bandpass Filter")
self.setWindowIcon(QIcon("window_icon.jpg"))
self.resize(1200,500)
self.set_lineEdit_1.setPlaceholderText("Input Wavelength(859.506~920.504,e.g. 900)")
self.set_lineEdit_2.setPlaceholderText("Input Wavelength(859.506~920.504,e.g. 900)")
self.set_lineEdit_1.setEnabled(False)
self.set_lineEdit_2.setEnabled(False)
self.read_btn_1.setEnabled(False)
self.read_btn_2.setEnabled(False)
self.set_lineEdit_1.setEnabled(False)
self.set_lineEdit_2.setEnabled(False)
self.inc_1.setEnabled(False)
self.dec_1.setEnabled(False)
self.inc_2.setEnabled(False)
self.dec_2.setEnabled(False)
self.step_cbx_1.setEnabled(False)
self.step_cbx_2.setEnabled(False)
self.plainTextEdit_1.setPlaceholderText('Choose COM ports named: \n "Silicon Labs CP210x USB to UART Bridge" \n'+'Then, press "Open" to activate all components')
self.plainTextEdit_2.setPlainText('Choose COM ports named: \n "Silicon Labs CP210x USB to UART Bridge" \n'+'Then, press "Open" to activate all components')
def my_signal(self):
self.open_button_1.clicked.connect(self.open_ch1)
self.open_button_2.clicked.connect(self.open_ch2)
self.read_btn_1.clicked.connect(self.read_ch1)
self.read_btn_2.clicked.connect(self.read_ch2)
self.set_lineEdit_1.returnPressed.connect(self.set_ch1)
self.set_lineEdit_2.returnPressed.connect(self.set_ch2)
self.dec_1.clicked.connect(self.dec_ch1)
self.dec_2.clicked.connect(self.dec_ch2)
self.inc_1.clicked.connect(self.inc_ch1)
self.inc_2.clicked.connect(self.inc_ch2)
def open_ch1(self):
self.set_lineEdit_1.setEnabled(True)
self.set_lineEdit_2.setEnabled(True)
self.read_btn_1.setEnabled(True)
self.read_btn_2.setEnabled(True)
self.set_lineEdit_1.setEnabled(True)
self.set_lineEdit_2.setEnabled(True)
self.inc_1.setEnabled(True)
self.dec_1.setEnabled(True)
self.step_cbx_1.setEnabled(True)
longComeName = self.comboBox_1.currentText()
n = longComeName.index("-")
openComName = self.comboBox_1.currentText()[0:n-1]
ser1 = serial.Serial()
ser1.port = openComName
ser1.baudrate = 115200
ser1.open()
if ser1.isOpen() == True:
command = 'DEV?' + '\r\n'
ser1.write(command.encode())
devInfo = ser1.readline().decode()
wlrange = ser1.readline().decode()
systatus = ser1.readline().decode()
self.plainTextEdit_1.setPlainText(devInfo + wlrange + systatus)
def open_ch2(self):
self.set_lineEdit_2.setEnabled(True)
self.read_btn_2.setEnabled(True)
self.wave_lineEdit_2.setEnabled(True)
self.inc_2.setEnabled(True)
self.dec_2.setEnabled(True)
self.step_cbx_2.setEnabled(True)
longComeName = self.comboBox_2.currentText()
n = longComeName.index("-")
openComName = self.comboBox_2.currentText()[0:n]
ser2 = serial.Serial()
ser2.port = openComName
ser2.baudrate = 115200
ser2.open()
if ser2.isOpen() == True:
command = 'DEV?' + '\r\n'
ser2.write(command.encode())
devInfo = ser2.readline().decode()
wlrange = ser2.readline().decode()
systatus = ser2.readline().decode()
self.plainTextEdit_2.setPlainText(devInfo + wlrange + systatus)
def read_ch1(self):
command = "WL?" + '\r\n'
portName1 = self.get_portname1()
ser1 = serial.Serial(port=portName1, baudrate=115200)
ser1.write(command.encode())
cur_wl = ser1.readline().decode()
num = cur_wl.index(":")
self.wave_lineEdit_1.setText(cur_wl)
self.plainTextEdit_1.setPlainText(cur_wl)
def get_portname1(self):
longPortName = self.comboBox_1.currentText()
a = longPortName.index('-')
portName = self.comboBox_1.currentText()[0:a-1]
return portName
def get_portname2(self):
longPortName = self.comboBox_2.currentText()
a = longPortName.index('-')
portName = self.comboBox_2.currentText()[0:a-1]
return portName
def read_ch2(self):
command = "WL?" + '\r\n'
portName = self.get_portname2()
ser2 = serial.Serial(port=portName, baudrate=115200)
ser2.write(command.encode())
cur_wl = ser2.readline().decode()
self.wave_lineEdit_2.setText(cur_wl)
def set_ch1(self):
command = "WL" + self.set_lineEdit_1.text() + '\r\n'
portName = self.get_portname1()
ser1 = serial.Serial(port=portName, baudrate=115200)
ser1.write(command.encode())
cur_wl = ser1.readline().decode()
self.plainTextEdit_1.setPlainText(cur_wl)
# command = "WL?" + '\r\n'
# ser1.write(command.encode())
# cur_wl = ser1.readline().decode()
# num = cur_wl.index(":")
# self.wave_lineEdit_1.setText(cur_wl[num + 1:])
def set_ch2(self):
command = "WL" + self.set_lineEdit_2.text() + '\r\n'
portName = self.get_portname2()
ser2 = serial.Serial(port=portName, baudrate=115200)
ser2.write(command.encode())
cur_wl = ser2.readline().decode()
self.plainTextEdit_2.setPlainText(cur_wl)
# command = "WL?" + '\r\n'
# ser2.write(command.encode())
# cur_wl = ser2.readline().decode()
# num = cur_wl.index(":")
# self.wave_lineEdit_2.setText(cur_wl[num + 1:])
def dec_ch1(self):
stp = self.step_cbx_1.currentText()
stp_num = step_list.index(stp)+1
command1 = "SF" + '%d'%(stp_num) + '\r\n'
portName = self.get_portname1()
ser1 = serial.Serial(port=portName, baudrate=115200)
ser1.write(command1.encode())
#
command2 = "WL?" + '\r\n'
ser1.write(command2.encode())
a=ser1.readline().decode()
b=ser1.readline().decode()
cur_wl = ser1.readline().decode()
num=cur_wl.index(':')
# self.plainTextEdit_1.setPlainText(a+b+cur_wl)
self.plainTextEdit_1.setPlainText("Wavelength decreased to: " + cur_wl[num+1:] +'Please press "Read" to check')
def inc_ch1(self):
stp = self.step_cbx_1.currentText()
stp_num = step_list.index(stp) + 1
command = "SB" + '%d'%(stp_num) + '\r\n'
portName = self.get_portname1()
ser1 = serial.Serial(port=portName, baudrate=115200)
ser1.write(command.encode())
command2 = "WL?" + '\r\n'
ser1.write(command2.encode())
ser1.readline().decode()
ser1.readline().decode()
cur_wl = ser1.readline().decode()
num = cur_wl.index(':')
self.plainTextEdit_1.setPlainText("Wavelength decreased to: " + cur_wl[num + 1:] + 'Please press "Read" to check')
def dec_ch2(self):
stp = self.step_cbx_2.currentText()
stp_num = step_list.index(stp) + 1
command1 = "SF" + '%d' % (stp_num) + '\r\n'
portName = self.get_portname2()
ser1 = serial.Serial(port=portName, baudrate=115200)
ser1.write(command1.encode())
#
command2 = "WL?" + '\r\n'
ser1.write(command2.encode())
ser1.readline().decode()
ser1.readline().decode()
cur_wl = ser1.readline().decode()
num = cur_wl.index(':')
self.plainTextEdit_2.setPlainText("Wavelength decreased to: " + cur_wl[num + 1:] + 'Please press "Read" to check')
def inc_ch2(self):
stp = self.step_cbx_2.currentText()
stp_num = step_list.index(stp) + 1
command = "SB" + '%d' % (stp_num) + '\r\n'
portName = self.get_portname2()
ser2 = serial.Serial(port=portName, baudrate=115200)
ser2.write(command.encode())
command2 = "WL?" + '\r\n'
ser2.write(command2.encode())
ser2.readline().decode()
ser2.readline().decode()
cur_wl = ser2.readline().decode()
num = cur_wl.index(':')
self.plainTextEdit_2.setPlainText("Wavelength decreased to: " + cur_wl[num + 1:] + 'Please press "Read" to check')
def closeEvent(self, event):
reply = QMessageBox.question(self, u'Quit', u'Shut down the setup?', QMessageBox.Yes, QMessageBox.No)
# QtWidgets.QMessageBox.question(self,u'弹窗名',u'弹窗内容',选项1,选项2)
if reply == QMessageBox.Yes:
event.accept() # 关闭窗口
else:
event.ignore() # 忽视点击X事件
if __name__ == '__main__':
app = QApplication(sys.argv)
w = MyWindow()
app.setStyleSheet(qdarkstyle.load_stylesheet_pyqt5())
w.show()
app.exec()