Platformio integration (#424)

* adaptation of structure to platformio

* also remove zgatewayRF315 (not usefull)

* replace boolean by bool

#155

main/ZsensorDHT.ino

@@ -0,0 +1,72 @@
+/*  
+  OpenMQTTGateway Addon  - ESP8266 or Arduino program for home automation 
+
+   Act as a wifi or ethernet gateway between your 433mhz/infrared IR signal  and a MQTT broker 
+   Send and receiving command by MQTT
+ 
+    DHT reading Addon
+  
+    Copyright: (c)Florian ROBERT
+    
+    Contributors:
+    - prahjister
+    - 1technophile
+  
+    This file is part of OpenMQTTGateway.
+    
+    OpenMQTTGateway is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    OpenMQTTGateway is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#include "User_config.h"
+
+#ifdef ZsensorDHT
+#include <DHT.h>
+#include <DHT_U.h>
+
+DHT dht(DHT_RECEIVER_PIN,DHT_SENSOR_TYPE); 
+
+//Time used to wait for an interval before resending temp and hum
+unsigned long timedht = 0;
+
+void MeasureTempAndHum(){
+  if (millis() > (timedht + TimeBetweenReadingDHT)) {//retriving value of temperature and humidity of the box from DHT every xUL
+    timedht = millis();
+    static float persistedh;
+    static float persistedt;
+    float h = dht.readHumidity();
+    // Read temperature as Celsius (the default)
+    float t = dht.readTemperature(); 
+    // Check if any reads failed and exit early (to try again).
+    if (isnan(h) || isnan(t)) {
+      trc(F("Failed to read from DHT sensor!"));
+    }else{
+      trc(F("Creating DHT buffer"));
+      StaticJsonBuffer<JSON_MSG_BUFFER> jsonBuffer;
+      JsonObject& DHTdata = jsonBuffer.createObject();
+      if(h != persistedh || dht_always){
+        DHTdata.set("hum", (float)h);
+       }else{
+        trc(F("Same hum don't send it"));
+       }
+      if(t != persistedt || dht_always){
+        DHTdata.set("temp", (float)t);
+      }else{
+        trc(F("Same temp don't send it"));
+      }
+      if(DHTdata.size()>0) pub(DHTTOPIC,DHTdata);
+    }
+    persistedh = h;
+    persistedt = t;
+  }
+}
+#endif