Merge branch 'develop' into sherzog_dev

platformio.ini

@@ -14,5 +14,6 @@ board = az-delivery-devkit-v4
 framework = arduino
 
 lib_deps =
-  # ID of Lightsensor library BH1750 
-  439
+  439 #ID of Lightsensor library BH1750 
+  19 #DHT sensor library 
+  31 #Adafruit Unified Sensor

src/capacitiveSoilMoistureSensor.cpp

@@ -19,7 +19,7 @@ void setupCapacitiveSoilMoistureSensor() {
   }
 }
 
-void loopCapacitiveSoilMoistureSensor() {
+int loopCapacitiveSoilMoistureSensor() {
   // subtract the last reading:
   total = total - readings[readIndex];
   // read from the sensor:
@@ -37,5 +37,6 @@ void loopCapacitiveSoilMoistureSensor() {
 
   // calculate the average:
   average = total / numReadings;
-  Serial.println(average);
+  
+  return average;
 }

src/header.h

@@ -6,14 +6,24 @@
 
 #include <Arduino.h>
 #include <Wire.h>
+#include <SPI.h>
 #include <BH1750.h>
+#include <Adafruit_Sensor.h>
+#include <DHT.h>
+#include <DHT_U.h>
+
 
 extern int meineVariable;
 
 // moisture
 extern void setupCapacitiveSoilMoistureSensor();
-extern void loopCapacitiveSoilMoistureSensor();
+extern int loopCapacitiveSoilMoistureSensor();
 
 // light
 extern void setupLightSensor();
 extern int readLightSensorValue();
+
+// temperature & humidity
+extern void setupTemperatureSensor();
+extern int readHumidity();
+extern int readTemperature();

src/main.cpp

@@ -8,6 +8,7 @@ void setup() {
   Serial.begin(9600);
   setupCapacitiveSoilMoistureSensor();
   setupLightSensor();
+  setupTemperatureSensor();
 }
 
 void loop() {
@@ -16,6 +17,18 @@ void loop() {
   Serial.print(lxValue);
   Serial.println(" lx");
 
-  loopCapacitiveSoilMoistureSensor();
-  delay(200);        // delay in between reads for stability
+  uint16_t mstValue = loopCapacitiveSoilMoistureSensor();
+  Serial.print("Soil moisture: ");
+  Serial.println(mstValue);
+
+  uint16_t humidityValue = readHumidity();
+  Serial.print("Humidity: ");
+  Serial.println(humidityValue);
+
+  uint16_t temperatureValue = readTemperature();
+  Serial.print("Temperature: ");
+  Serial.println(temperatureValue);
+  Serial.print("\n");
+
+  delay(2000);        // delay in between reads for stability
 }

src/temperatureSensor.cpp

@@ -0,0 +1,32 @@
+#include <header.h>
+
+#define DHTPIN 4
+
+#define DHTTYPE    DHT11
+
+
+DHT_Unified dht(DHTPIN, DHTTYPE);
+
+void setupTemperatureSensor() {
+  Serial.begin(9600);
+  dht.begin();
+  Serial.println(F("DHT11 Unified Sensor Ready"));
+  sensor_t sensor;
+  dht.temperature().getSensor(&sensor);
+  
+}
+
+// Get humidity event and its value.
+int readHumidity(){
+    
+    sensors_event_t event;
+    dht.humidity().getEvent(&event);
+    return event.relative_humidity;
+}
+
+// Get temperature event and its value.
+int readTemperature(){
+    sensors_event_t event;
+    dht.temperature().getEvent(&event);
+    return event.temperature;
+}