Steuerung_Truhen.ino

@@ -2,7 +2,6 @@
 
 #include <Wire.h> //Setup LCD
 #include <LiquidCrystal_I2C.h>
-LiquidCrystal_I2C lcd(0x3F,16,2); //0x3F = Adresse des Displays
 
 #include "Truhe.h"
 #include "Settings.h"
@@ -13,7 +12,7 @@ static unsigned long last_schalt_time = 0;
 
 void setup_lcd() {
   //LCD
-  lcd.init();
+  lcd.begin(16, 2); //Starten des LCD, 16 Zeichen, 2 Zeilen
   lcd.backlight(); //Beleuchtung des Displays einschalten
   lcd.blink();
   lcd.clear();
@@ -85,10 +84,6 @@ void loop() {
       else if (truhen[i].getStat() == 0) {
         lcd.print("O");
       }
-      else if (truhen[i].getStat() == 2) {
-        lcd.setCursor(8, i);
-        lcd.print("Error");
-      }
       if(truhen[i].getUpdLcd() == 0){
         lcd.setCursor(15, i);
         lcd.print(String("|"));
@@ -103,4 +98,4 @@ void loop() {
     }
   }
   wdt_reset();
-}
+}

Truhe.cpp

@@ -1,47 +1,37 @@
 #include "Truhe.h"
-Truhe::Truhe(String name, int relay, uint8_t sensorpin){
-  _name = name;
+Truhe::Truhe(String name, int relay, uint8_t dhtpin): _dht(dhtpin, DHT22) {
+   _name = name;
   _relay = relay;
-  _sensorpin = sensorpin;
-  _oneWire = OneWire(sensorpin);
-  _sensors = DallasTemperature(&_oneWire);
+  _dhtpin = dhtpin;
   
 };
 
 void Truhe::setup() {
   Serial.println("Setup " + _name);
-  Serial.println(_sensorpin);
+  Serial.println(_dhtpin);
   pinMode(_relay, OUTPUT);
   digitalWrite(_relay, HIGH);
-  pinMode(_sensorpin, INPUT);
-  _sensors.begin();
+  pinMode(_dhtpin, INPUT);
+  _dht.begin();
+  delay(2000);
 }
 
 void Truhe::mess() {
   Serial.println(String(_name) + " mess()");
-  _sensors.requestTemperatures();
-  _cur_temp = _sensors.getTempCByIndex(0);
-  // Check if reading was successful
-  if(_cur_temp != DEVICE_DISCONNECTED_C) 
-  {
-    Serial.println(String(_name) + "\t\t" + String((int)_cur_temp) + " grad gelesen");
-  } 
-  else
-  {
-    Serial.println("Error: Could not read temperature data: "+ String(_name));
-    _cur_temp = 99; // Liewer warmes bier als garkenn bier
-    _stat = 2;
-  }
+  //Serial.print("Minimum Sampling Period: "); 
+  //delay(_dht.getMinimumSamplingPeriod());
+  _cur_temp = _dht.readTemperature();
+  Serial.println(String(_name) + "\t\t" + String((int)_cur_temp) + " grad gelesen");
 };
 
 void Truhe::schalt(int oT, int uT) {
   Serial.print(String(_name) + " schalt() stat: " + String(_stat));
-  if (_cur_temp >= oT && _stat != 1 && _stat != 2) {
+  if (_cur_temp >= oT && _stat != 1) {
     digitalWrite(_relay, LOW);
     _stat = 1;
     Serial.println("schalt " + _name + " zu " + String(_stat));
   }
-  else if (_cur_temp <= uT && _stat != 0 && _stat != 2) {
+  else if (_cur_temp <= uT && _stat != 0) {
     digitalWrite(_relay, HIGH);
     _stat = 0;
     Serial.println("schalt " + _name + " zu " + String(_stat));
@@ -50,7 +40,7 @@ void Truhe::schalt(int oT, int uT) {
 int Truhe::getUpdLcd(){ return _updlcd;};
 void Truhe::setUpdLcd(int updlcd){ _updlcd = updlcd;};
 int Truhe::getRelay(){ return _relay;};
-int Truhe::getSensorPin(){return _sensorpin;};
+int Truhe::getDhtPin(){return _dhtpin;};
 int Truhe::getStat(){return _stat;};
-int Truhe::getCurTemp(){return int(_cur_temp);};
+float Truhe::getCurTemp(){return _cur_temp;};
 String Truhe::getName(){return _name;};

Truhe.h

@@ -1,11 +1,9 @@
-#include <OneWire.h>
-#include <DallasTemperature.h>
+#include <DHT.h>
 class Truhe {
   private:
-    OneWire _oneWire;
-    DallasTemperature _sensors;
+    DHT _dht;
     int _relay;
-    uint8_t _sensorpin;
+    uint8_t _dhtpin;
     int _stat = -1;
     float _cur_temp = 0;
     int _updlcd = 0;
@@ -18,8 +16,8 @@ class Truhe {
     int getUpdLcd();
     void setUpdLcd(int);
     int getRelay();
-    int getSensorPin();
+    int getDhtPin();
     int getStat();
-    int getCurTemp();
+    float getCurTemp();
     String getName();
 };