1 files changed, 164 insertions, 0 deletions
diff --git a/termostato.py b/termostato.py
new file mode 100755
index 0000000..a91af56
--- /dev/null
+++ b/termostato.py
@@ -0,0 +1,164 @@
+#!/usr/bin/python3
+# -*- coding: utf-8 -*-
+
+import RPi.GPIO as GPIO
+import w1thermsensor
+import sys, os
+from time import sleep
+
+try:
+    from PySide2.QtWidgets import QApplication
+except:
+    try:
+        from tkinter import messagebox
+        messagebox.showinfo("Installazione, attendi prego", "Sto per installare le librerie grafiche e ci vorrà del tempo. Premi Ok e vai a prenderti un caffè.")
+        pip.main(["install", "--index-url=http://download.qt.io/snapshots/ci/pyside/5.9/latest/", "pyside2", "--trusted-host", "download.qt.io"])
+        #pip install --index-url=http://download.qt.io/snapshots/ci/pyside/5.9/latest/ pyside2 --trusted-host download.qt.io
+        #pip install PySide2
+        from PySide2.QtWidgets import QApplication
+    except:
+        try:
+            from pip._internal import main
+            main(["install", "--index-url=http://download.qt.io/snapshots/ci/pyside/5.9/latest/", "pyside2", "--trusted-host", "download.qt.io"])
+            from PySide2.QtWidgets import QApplication
+        except:
+            sys.exit(1)
+
+
+from PySide2.QtUiTools import QUiLoader
+from PySide2.QtCore import QFile
+from PySide2.QtCore import Qt
+from PySide2.QtCore import Signal
+from PySide2.QtWidgets import QLabel
+from PySide2.QtWidgets import QMainWindow
+from PySide2.QtCore import QThread
+
+
+toSleep = 10
+
+class TurnOn(QThread):
+    TempReached = Signal(bool)
+
+    def __init__(self, w, addr = ""):
+        QThread.__init__(self)
+        self.w = w
+        self.setTerminationEnabled(True)
+        self.relaypin = 23
+        # Numerazione dei PIN GPIO
+        GPIO.setmode(GPIO.BCM)
+        # Il pin del relay va in output
+        GPIO.setup(self.relaypin, GPIO.OUT)
+        #Cerco il sensore
+        self.sensor = w1thermsensor.W1ThermSensor()
+
+    def __del__(self):
+        print("Shutting down thread")
+
+    def run(self):
+        self.reachTemp()
+        return
+    
+    def readTemp(self):
+        #Leggo la temperatura
+        temperature_in_celsius = self.sensor.get_temperature()
+        print("Temperatura:"+str(temperature_in_celsius)+"° C")
+        return temperature_in_celsius
+
+    def reachTemp(self):
+        global toSleep
+        try:
+            while self.w.SwitchOn.isChecked():
+                if float(self.readTemp()) < float(self.w.tempImpostata.value()):
+                    # Accendo il relay
+                    GPIO.output(self.relaypin, GPIO.HIGH)
+                    sleep(toSleep) 
+                else:
+                    # Spengo il relay
+                    GPIO.output(self.relaypin, GPIO.LOW)
+                    self.TempReached.emit(True)
+        except:
+            self.TempReached.emit(False)
+
+
+class ShowTemp(QThread):
+
+    def __init__(self, w, addr = ""):
+        QThread.__init__(self)
+        self.w = w
+        self.setTerminationEnabled(True)
+        #Cerco il sensore
+        self.sensor = w1thermsensor.W1ThermSensor()
+
+    def __del__(self):
+        print("Shutting down thread")
+
+    def run(self):
+        global toSleep
+        while True:
+            self.w.tempAttuale.setText(str(self.readTemp())+" °C")
+            sleep(toSleep)
+        return
+    
+    def readTemp(self):
+        #Leggo la temperatura
+        temperature_in_celsius = self.sensor.get_temperature()
+        return temperature_in_celsius
+
+
+
+class MainWindow(QMainWindow):
+
+    def __init__(self, parent=None):
+        super(MainWindow, self).__init__(parent)
+        file = QFile(os.path.abspath(os.path.dirname(sys.argv[0]))+"/termostato.ui")
+        file.open(QFile.ReadOnly)
+        loader = QUiLoader(self)
+        self.w = loader.load(file)
+        self.setCentralWidget(self.w)
+        self.setWindowTitle("Termostato")
+        self.w.SwitchOn.clicked.connect(self.StopThis)
+        self.w.tempImpostata.valueChanged.connect(self.setTempImp)
+        #Devono essere abilitati i 1-Wire
+        os.system('sudo modprobe w1-gpio')
+        os.system('sudo modprobe w1-therm')
+        self.alreadyOn = False
+        self.w.tempImpostata.setValue(25)
+        self.setTempImp(25)
+        self.stoponreached = False
+        self.getTempThread = ShowTemp(self.w)
+        self.getTempThread.start()
+
+    def itIsOff(self):
+        self.w.SwitchOn.setChecked(False)
+        self.StopThis()
+        
+    def reached(self):
+        print("Temperatura raggiunta")
+        if self.stoponreached:
+            self.itIsOff()
+        
+    def dostuff(self):
+        if not self.alreadyOn:
+            self.myThread = TurnOn(self.w)
+            self.myThread.TempReached.connect(self.reached)
+            self.myThread.finished.connect(self.itIsOff)
+            self.myThread.start()
+            self.alreadyOn = True
+            
+    def StopThis(self):
+        if self.w.SwitchOn.isChecked():
+            self.w.SwitchOn.setText("Spegni")
+            self.dostuff()
+        else:
+            self.w.SwitchOn.setText("Accendi")
+            self.alreadyOn = False
+
+    def setTempImp(self, arg1):
+        self.w.tempImpostataLabel.setText(str(arg1)+" °C")
+        self.dostuff()
+
+if __name__ == "__main__":
+    app = QApplication(sys.argv)
+    w = MainWindow()
+    w.show()
+    sys.exit(app.exec_())