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Interface.py
156 lines (132 loc) · 5.89 KB
/
Interface.py
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import sys,os,time
import PID as pid
from PyQt5.QtWidgets import (QApplication, QPushButton,QWidget,
QSizePolicy,QVBoxLayout,QLineEdit,
QProgressBar,QMessageBox,QDial,QGridLayout,
QLCDNumber,QRadioButton,QLabel)
from PyQt5.QtGui import QFont,QIcon,QPainter,QColor,QPen
from PyQt5.QtCore import QThread,pyqtSignal,Qt,QPoint
class Window(QWidget):
def __init__(self):
super().__init__()
self.showMaximized()
self.setWindowTitle('Barbequer')
self.setWindowIcon(QIcon('BBQ.png'))
self.init()
def init(self):
self.size_policy=(QSizePolicy.Expanding,QSizePolicy.Expanding)
self.font=QFont()
self.font.setPointSize(16)
self.temp_display_label=QLabel(self)
self.temp_display_label.setText('Current Temperature:')
self.temp_display_label.setSizePolicy(self.size_policy[0],self.size_policy[1])
self.temp_display_label.setFont(self.font)
# self.temp_display_label.setAlignment(Qt.AlignRight)
self.temp_display=QLCDNumber(self)
self.temp_display.setSizePolicy(self.size_policy[0],self.size_policy[1])
self.temp_display.setFont(self.font)
self.temp_set_label=QLabel(self)
self.temp_set_label.setText('Set Temperature:')
self.temp_set_label.setSizePolicy(self.size_policy[0],self.size_policy[1])
self.temp_set_label.setFont(self.font)
# self.temp_set_label.setAlignment(Qt.AlignRight)
self.temp_set=QLCDNumber(self)
self.temp_set.setSizePolicy(self.size_policy[0],self.size_policy[1])
self.temp_set.setFont(self.font)
self.temp_dial=QDial(self)
self.temp_dial.setSizePolicy(self.size_policy[0],self.size_policy[1])
self.temp_dial.setProperty('value',0)
self.temp_dial.setSliderPosition(0)
self.temp_dial.setNotchesVisible(True)
self.temp_dial.setMaximum(600)
self.temp_dial.setToolTip('Set Desired Temperature in Fahrenheit')
self.temp_dial.valueChanged.connect(self.update_temperature)
self.exhasut_fan=QRadioButton('&Enable Exhaust Fan')
self.exhasut_fan.setSizePolicy(self.size_policy[0],self.size_policy[1])
self.exhasut_fan.setFont(self.font)
self.exhasut_fan.setToolTip('Enable exhaust fan')
self.intake_fan=QRadioButton('&Enable Intake Fan')
self.intake_fan.setSizePolicy(self.size_policy[0],self.size_policy[1])
self.intake_fan.setFont(self.font)
self.intake_fan.setToolTip('Enable intake fan')
self.start_button=QPushButton('Start',self)
self.start_button.setSizePolicy(self.size_policy[0],self.size_policy[1])
self.start_button.setFont(self.font)
self.start_button.setToolTip('Start Maintaining Temperature')
self.start_button.clicked.connect(self.maintain_temperature)
self.timer_button=QPushButton('Timer',self)
self.timer_button.setSizePolicy(self.size_policy[0],self.size_policy[1])
self.timer_button.setFont(self.font)
self.timer_button.setToolTip('Cook Time')
qp=QPainter()
qp.begin(self)
qp.setPen(QPen(QColor(255,80,0), 3))
qp.setBrush(QColor(255,80,0))
qp.drawEllipse(QPoint(50,60),30,30)
qp.end()
#add the grid layout to the interface
self.layout=QGridLayout(self)
self.layout.addWidget(self.temp_dial,0,0,2,2)
self.layout.addWidget(self.temp_set_label,2,0)
self.layout.addWidget(self.temp_set,2,1,1,2)
self.layout.addWidget(self.temp_display_label,3,0)
self.layout.addWidget(self.temp_display,3,1)
self.layout.addWidget(self.exhasut_fan,4,0)
self.layout.addWidget(self.intake_fan,4,1)
self.layout.addWidget(self.start_button,5,0)
self.layout.addWidget(self.timer_button,5,1)
# self.layout.addWidget(qp,6,1)
def update_temperature(self):
self.temp_set.display(str(self.temp_dial.sliderPosition()))
try:
self.start_button.setEnabled(True)
self.Temp.stop()
except:
'''do nothing here'''
def maintain_temperature(self):
self.Temp=temp_operation(self)
self.start_button.setDisabled(True)
self.Temp.isRunning=False
time.sleep(1)
if self.Temp.isRunning==False:
self.Temp.isRunning=True
self.Temp.set_temp=self.temp_dial.sliderPosition()
self.Temp.display_update.connect(self.temp_display.display)
self.Temp.start()
print(self.Temp.isRunning)
import numpy as np
class temp_operation(QThread):
display_update=pyqtSignal(int)
def __init__(self,parent=None):
'''Setting up the thread'''
QThread.__init__(self,parent=parent)
self.set_temp=0
self.isRunning=False
def run(self):
'''run the thread to maintain constant internal temperature'''
past_time=time.time()
start_time=time.time()
ut=0
ui=0
error=0
while self.isRunning:
#start the timer
start_time=time.time()
#read the current temperature
#set as an arbitrary value for testing purposes
current_temperature=np.random.randint(245,265)
#update the display with the current temperature
self.display_update.emit(current_temperature)
delta=past_time-start_time
[ut,ui,error]=pid.calculate(self.set_temp,current_temperature,delta,ui,error)
time.sleep(1)
past_time=time.time()
def stop(self):
'''stop the thread
'''
self.isRunning=False
if __name__=='__main__':
app = QApplication(sys.argv)
ex = Window()
ex.show()
sys.exit(app.exec_())