class MyMainWindow(QMainWindow):
def __init__(self, ch=0, parent=None, name="Temperatur Simulation"):
super().__init__(parent)
self.setWindowTitle(name)
self.__channel = ch
cw = QWidget(self)
layout = QVBoxLayout(cw)
self.setCentralWidget(cw)
self.__label = QLabel("Temperatur: ", self)
self.__dial = QDial(self)
self.__dial.setRange(100, 400)
self.__dial.setSingleStep(1)
self.__dial.setPageStep(10)
self.__dial.setTracking(False)
layout.addWidget(QLabel("Channel: {}".format(ch), self))
layout.addWidget(self.__label)
layout.addWidget(self.__dial)
self.__dial.valueChanged.connect(self.__sliderChanged)
self.__dial.setValue(200)
self.__sliderChanged()
def __sliderChanged(self):
temp = self.__dial.value() / 10
self.__label.setText("Temperatur: {:.1f}°".format(temp))
temp = temp * 4096.0 / 330
with open('/tmp/wiringPiSPI_{}'.format(self.__channel), 'w') as f:
fcntl.flock(f, fcntl.LOCK_EX)
f.write("{} {} {}".format(6, int(temp // 256), int(temp % 256)))
fcntl.flock(f, fcntl.LOCK_UN)
class ControlWidget(QDialog):
def __init__(self, control_board, parent=None):
super(ControlWidget, self).__init__(parent)
self.control_board = control_board
self.originalPalette = QApplication.palette()
styleComboBox = QComboBox()
styleComboBox.addItems(QStyleFactory.keys())
styleLabel = QLabel("&Style:")
styleLabel.setBuddy(styleComboBox)
self.useStylePaletteCheckBox = QCheckBox("&Use style's standard palette")
self.useStylePaletteCheckBox.setChecked(True)
self.createCarCmdWidget()
mainLayout = QGridLayout()
mainLayout.addWidget(self.cmdGroupBox, 0, 0)
self.setLayout(mainLayout)
self.setWindowTitle("Styles")
self.changeStyle('Windows')
def changeStyle(self, styleName):
QApplication.setStyle(QStyleFactory.create(styleName))
self.changePalette()
def changePalette(self):
if (self.useStylePaletteCheckBox.isChecked()):
QApplication.setPalette(QApplication.style().standardPalette())
else:
QApplication.setPalette(self.originalPalette)
def createControlWidget(self):
control_group_box = QGroupBox("Speed")
self.speed_dial = QDial(self.cmdGroupBox)
self.speed_dial.setRange(-100, 100)
self.speed_dial.setValue(0)
self.speed_dial.setNotchesVisible(True)
self.speed_dial.setTracking(False)
self.speed_dial.valueChanged.connect(self.speed_changed)
self.speed_stop_button = QPushButton("Stop")
self.speed_stop_button.released.connect(self.speed_stop)
layout = QGridLayout()
layout.addWidget(self.speed_dial, 1, 1)
layout.addWidget(self.speed_stop_button, 3, 1)
control_group_box.setLayout(layout)
self.cmd_layout.addWidget(control_group_box, 1, 1)
control_group_box = QGroupBox("Steering")
self.steering_dial = QDial(self.cmdGroupBox)
self.steering_dial.setRange(-100, 100)
self.steering_dial.setValue(0)
self.steering_dial.setNotchesVisible(True)
self.steering_dial.setTracking(False)
self.steering_dial.valueChanged.connect(self.steering_changed)
self.steering_stop_button = QPushButton("Stop")
self.steering_stop_button.released.connect(self.steering_stop)
layout = QGridLayout()
layout.addWidget(self.steering_dial, 1, 1)
layout.addWidget(self.steering_stop_button, 3, 1)
control_group_box.setLayout(layout)
self.cmd_layout.addWidget(control_group_box, 1, 2)
self.arm_button = QPushButton("Arm")
self.arm_button.released.connect(self.set_arm_mode)
self.manual_button = QPushButton("Manual")
self.manual_button.released.connect(self.set_manual_mode)
self.cmd_layout.addWidget(self.arm_button, 1, 3)
self.cmd_layout.addWidget(self.manual_button, 2, 3)
def steering_changed(self):
control_board.set_steering(self.steering_dial.value())
def steering_stop(self):
control_board.set_steering(0)
def speed_changed(self):
control_board.set_speed(self.speed_dial.value())
def speed_stop(self):
control_board.set_speed(0)
def set_arm_mode(self):
control_board.set_mode(car_state.ARM)
def set_manual_mode(self):
control_board.set_mode(car_state.MANUAL)
def createCarCmdWidget(self):
self.cmdGroupBox = QGroupBox("Cmd group")
self.cmd_layout = QGridLayout()
self.createControlWidget()
self.cmdGroupBox.setLayout(self.cmd_layout)