First working code

2 files changed, 314 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_())
diff --git a/termostato.ui b/termostato.ui
new file mode 100644
index 0000000..a395086
--- /dev/null
+++ b/termostato.ui
@@ -0,0 +1,150 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>535</width>
+    <height>333</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>MainWindow</string>
+  </property>
+  <widget class="QWidget" name="centralwidget">
+   <layout class="QVBoxLayout" name="verticalLayout_3">
+    <item>
+     <layout class="QHBoxLayout" name="horizontalLayout_2">
+      <item>
+       <layout class="QVBoxLayout" name="verticalLayout">
+        <item>
+         <widget class="QLabel" name="label">
+          <property name="text">
+           <string>Temperatura attuale:</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QLabel" name="tempAttuale">
+          <property name="font">
+           <font>
+            <pointsize>36</pointsize>
+            <weight>75</weight>
+            <italic>true</italic>
+            <bold>true</bold>
+           </font>
+          </property>
+          <property name="text">
+           <string>0 °C</string>
+          </property>
+          <property name="alignment">
+           <set>Qt::AlignCenter</set>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <spacer name="verticalSpacer">
+          <property name="orientation">
+           <enum>Qt::Vertical</enum>
+          </property>
+          <property name="sizeType">
+           <enum>QSizePolicy::Preferred</enum>
+          </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>20</width>
+            <height>40</height>
+           </size>
+          </property>
+         </spacer>
+        </item>
+       </layout>
+      </item>
+      <item>
+       <widget class="Line" name="line">
+        <property name="orientation">
+         <enum>Qt::Vertical</enum>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <layout class="QVBoxLayout" name="verticalLayout_2">
+        <item>
+         <widget class="QLabel" name="label_2">
+          <property name="text">
+           <string>Temperatura da mantenere:</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QLabel" name="tempImpostataLabel">
+          <property name="font">
+           <font>
+            <pointsize>36</pointsize>
+            <weight>75</weight>
+            <italic>true</italic>
+            <bold>true</bold>
+           </font>
+          </property>
+          <property name="text">
+           <string>0 °C</string>
+          </property>
+          <property name="alignment">
+           <set>Qt::AlignCenter</set>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QDial" name="tempImpostata">
+          <property name="minimum">
+           <number>-20</number>
+          </property>
+          <property name="maximum">
+           <number>50</number>
+          </property>
+          <property name="value">
+           <number>25</number>
+          </property>
+          <property name="orientation">
+           <enum>Qt::Horizontal</enum>
+          </property>
+          <property name="invertedAppearance">
+           <bool>false</bool>
+          </property>
+          <property name="invertedControls">
+           <bool>false</bool>
+          </property>
+          <property name="wrapping">
+           <bool>false</bool>
+          </property>
+          <property name="notchesVisible">
+           <bool>false</bool>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
+     </layout>
+    </item>
+    <item>
+     <widget class="QPushButton" name="SwitchOn">
+      <property name="text">
+       <string>Spegni</string>
+      </property>
+      <property name="checkable">
+       <bool>true</bool>
+      </property>
+      <property name="checked">
+       <bool>true</bool>
+      </property>
+     </widget>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QStatusBar" name="statusbar"/>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>