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app.py
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/
app.py
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# -*- coding: utf-8 -*-
import sys, math
from PyQt4 import QtGui, QtCore
from PyQt4.QtCore import pyqtSlot
from helpers import JSONConfig
from worker import WLWorker
from gui import WLSettingsTabs
from gui import WLOutputDisplay
from gui import WLMainControl
from gui import WLStatusBar
from gui import WLSaveSettings
from gui import WLGraph
class WLMainWidget(QtGui.QWidget):
def __init__(self, parent=None, config_file_path=''):
super(WLMainWidget, self).__init__(parent)
self.init_ui()
self.setWindowTitle(u'M²-ICE Wavemeter Lock')
self.config = JSONConfig('config.json')
self.load_config()
self.worker_thread = QtCore.QThread(self)
self.worker = WLWorker(config=self.config)
self.worker.moveToThread(self.worker_thread)
self.connect_signals()
self.worker_thread.start()
def closeEvent(self, x):
self.worker.exit()
self.worker_thread.quit()
self.worker_thread.wait()
self.graph.worker_thread.quit()
self.graph.worker_thread.wait()
def init_ui(self):
self.setMinimumHeight(790)
grid = QtGui.QGridLayout()
grid.setContentsMargins(15, 15, 15, 15)
grid.setColumnStretch(2, 2)
grid.setColumnMinimumWidth(2, 650)
grid.setVerticalSpacing(20)
self.setLayout(grid)
self.status_bar = WLStatusBar(self)
self.output_display = WLOutputDisplay(self)
self.main_control = WLMainControl(self)
self.settings_tabs = WLSettingsTabs(self)
self.graph = WLGraph(parent=self)
self.save_settings = WLSaveSettings(self)
grid.addWidget(self.status_bar, 1, 0, 1, 1)
grid.addWidget(self.output_display, 2, 0, 1, 1)
grid.addWidget(self.main_control, 3, 0, 1, 1)
grid.addWidget(self.settings_tabs, 4, 0, 1, 1)
grid.addWidget(self.save_settings, 5, 0, 1, 1)
grid.addWidget(self.graph, 1, 1, 5, 2)
def connect_signals(self):
self.worker_thread.started.connect(self.worker.run)
self.worker.ticked.connect(self.process_ticked)
self.worker.vendor_status_changed.connect(self.update_status_bar)
self.save_settings.save_clicked.connect(self.save_config)
self.main_control.enable_clicked.connect(self.toggle_worker)
pid_tab = self.settings_tabs.pid_tab
m2_tab = self.settings_tabs.m2_tab
main_control = self.main_control
pid_tab.sampling_interval_slider.changed.connect(self.update_config)
pid_tab.p_gain_slider.changed.connect(self.update_config)
pid_tab.i_gain_slider.changed.connect(self.update_config)
pid_tab.d_gain_slider.changed.connect(self.update_config)
pid_tab.gain_spin_box.valueChanged.connect(self.update_config)
pid_tab.polarity_checkbox.stateChanged.connect(self.update_config)
m2_tab.resonator_group.max_spin_box.valueChanged.connect(self.update_config)
m2_tab.resonator_group.min_spin_box.valueChanged.connect(self.update_config)
m2_tab.resonator_group.center_spin_box.valueChanged.connect(self.update_config)
main_control.setpoint_spin_box.valueChanged.connect(self.update_config)
main_control.read_button.clicked.connect(self.read_setpoint_from_wavemeter)
@pyqtSlot(float, float)
def process_ticked(self, error, feedback):
self.graph.push_value(error)
s = math.trunc(feedback*1e4)/1.e4
i = (feedback - s)*1e4*1e2
self.output_display.value_label.setText('<b>%.4f</b>%i %%' % (s,i))
self.output_display.value_label.setDisabled(False)
@pyqtSlot()
def read_setpoint_from_wavemeter(self):
value = self.worker.read_wavemeter()
if (value):
self.main_control.setpoint_spin_box.setValue(value)
self.update_config()
@pyqtSlot(int, int)
def update_status_bar(self, m2_status, wlm_status):
self.status_bar.set_status(m2_status, wlm_status)
if (wlm_status == 1):
self.main_control.read_button.setDisabled(False)
if (wlm_status == 0):
self.main_control.read_button.setDisabled(True)
@pyqtSlot()
def update_config(self):
data = self.config.data
pid_config = data['pid']
m2_config = data['m2']
pid_tab = self.settings_tabs.pid_tab
m2_tab = self.settings_tabs.m2_tab
main_control = self.main_control
pid_config['overall_gain'] = float(pid_tab.gain_spin_box.value())
pid_config['T'] = float(pid_tab.sampling_interval_slider.value())
pid_config['P'] = float(pid_tab.p_gain_slider.value())
pid_config['I'] = float(pid_tab.i_gain_slider.value())
pid_config['D'] = float(pid_tab.d_gain_slider.value())
pid_config['output_polarity'] = int(1 if pid_tab.polarity_checkbox.isChecked() else -1)
m2_config['ip_address'] = str(m2_tab.networking_group.ip_address_line_edit.text())
m2_config['port'] = int(m2_tab.networking_group.port_line_edit.text())
m2_config['resonator_max'] = int(m2_tab.resonator_group.max_spin_box.value())
m2_config['resonator_min'] = int(m2_tab.resonator_group.min_spin_box.value())
m2_config['resonator_center'] = int(m2_tab.resonator_group.center_spin_box.value())
c = main_control.channel_combo_box
data['wlm']['channel'] = int(c.currentIndex()) + 1
pid_config['setpoint'] = float(main_control.setpoint_spin_box.value())
self.worker.load_config()
@pyqtSlot()
def toggle_worker(self):
self.worker.toggle()
@pyqtSlot()
def save_config(self):
self.update_config()
self.config.save()
def load_config(self):
data = self.config.data
pid_config = data['pid']
m2_config = data['m2']
pid_tab = self.settings_tabs.pid_tab
m2_tab = self.settings_tabs.m2_tab
main_control = self.main_control
pid_overall_gain_value = float(pid_config['overall_gain'])
pid_T_value = float(pid_config['T'])
pid_P_value = float(pid_config['P'])
pid_I_value = float(pid_config['I'])
pid_D_value = float(pid_config['D'])
pid_polarity_value = int(pid_config['output_polarity'])
m2_ip_address_value = m2_config['ip_address']
m2_port_value = str(m2_config['port'])
m2_resonator_center_value = int(m2_config['resonator_center'])
m2_resonator_min_value = int(m2_config['resonator_min'])
m2_resonator_max_value = int(m2_config['resonator_max'])
pid_tab.gain_spin_box.setValue(pid_overall_gain_value)
pid_tab.sampling_interval_slider.setValue(pid_T_value)
pid_tab.p_gain_slider.setValue(pid_P_value)
pid_tab.i_gain_slider.setValue(pid_I_value)
pid_tab.d_gain_slider.setValue(pid_D_value)
pid_tab.polarity_checkbox.setCheckState(QtCore.Qt.Checked if pid_polarity_value == 1 else QtCore.Qt.Unchecked)
m2_tab.networking_group.ip_address_line_edit.setText(m2_ip_address_value)
m2_tab.networking_group.port_line_edit.setText(m2_port_value)
m2_tab.resonator_group.max_spin_box.setValue(m2_resonator_max_value)
m2_tab.resonator_group.min_spin_box.setValue(m2_resonator_min_value)
m2_tab.resonator_group.center_spin_box.setValue(m2_resonator_center_value)
channel_combo_box_value = int(data['wlm']['channel'])
setpoint_spin_box_value = float(pid_config['setpoint'])
main_control.channel_combo_box.setCurrentIndex(channel_combo_box_value-1)
main_control.setpoint_spin_box.setValue(setpoint_spin_box_value)
if __name__ == '__main__':
app = QtGui.QApplication([])
widget = WLMainWidget()
widget.show()
sys.exit(app.exec_())