improvements

src/capacitiveSoilMoistureSensor.cpp

@@ -4,12 +4,25 @@
 
 #include <header.h>
 
+const int numReadings = 20;
+
 void setupCapacitiveSoilMoistureSensor() {
   // pinMode(PIN_MS, INPUT);
 }
 
 int readCapacitiveSoilMoistureSensor()
 {
-  int measurement = analogRead(PIN_MS);
+  int total = 0;             // the running total
+  // read from the sensor:
+  for (int readIndex = 0; readIndex < numReadings; readIndex++)
+  {
+    total = total + analogRead(PIN_MS);
+    delay(2);
+  }
+  int measurement = total / numReadings;
+  Serial.print("soil moisture raw: ");
+  Serial.println(measurement);
+  // add the reading to the total:
+  //int measurement = analogRead(PIN_MS);
   return map(measurement, VALUE_AIR, VALUE_WATER, 0, 100);
 }

src/header.h

@@ -26,8 +26,8 @@
 
 // MOISTURE SENSOR // A7
 #define PIN_MS 35  
-#define VALUE_WATER 275  
-#define VALUE_AIR 430  
+#define VALUE_WATER 1650  
+#define VALUE_AIR 3500  
 
 // Ventil
 #define PIN_VENTIL 26
@@ -41,8 +41,9 @@
 #define MQTT_HOST "mqtt.timovolkmann.de"
 #define MQTT_PORT 1883
 #define MQTT_DEVICE_ID "esp-timo"
-#define MQTT_TOPIC_BASE_SUBSCRIBE "smartgarden/commands"
-#define MQTT_TOPIC_BASE_PUBLISH "smartgarden/updates"
+#define MQTT_TOPIC_BASE_SUB "smartgarden/commands"
+#define MQTT_TOPIC_BASE_PUB "smartgarden/updates"
+#define MQTT_PATH_PUB MQTT_TOPIC_BASE_PUB "/" MQTT_DEVICE_ID "/"
 
 // PUBLISH FREQUENCY (MS)
 #define FREQUENCY 3000

src/main.cpp

@@ -3,11 +3,19 @@
 */
 
 #include <header.h>
+#include <string>
+//using namespace std;
+
+#define MQTT_MOISTURE MQTT_PATH_PUB "moisture"
+#define MQTT_TEMPERATURE MQTT_PATH_PUB "temperature"
+#define MQTT_HUMIDITY MQTT_PATH_PUB "humidity"
+#define MQTT_BRIGHTNESS MQTT_PATH_PUB "brightness"
 
 unsigned long pingTimer = 0;
 char buffer[16];
 
-void setup() {
+void setup()
+{
   Serial.begin(115200);
   pingTimer = millis();
   setupConnections();
@@ -19,32 +27,34 @@ void setup() {
   Serial.println();
 }
 
-void loop() {
-  if (millis() - pingTimer >= FREQUENCY) {
+void loop()
+{
+  if (millis() - pingTimer >= FREQUENCY)
+  {
     float lxValue = readLightSensorValue();
     Serial.print("Light intensity: ");
     Serial.print(lxValue);
     Serial.println(" lx");
     sprintf(buffer, "%f", lxValue);
-    publishMessage("smartgarden/updates/esp-N2Ff4kaDgs45/brightness", buffer);
+    publishMessage(MQTT_BRIGHTNESS, buffer);
 
     int mstValue = readCapacitiveSoilMoistureSensor();
     Serial.print("Soil moisture: ");
     Serial.println(mstValue);
     sprintf(buffer, "%i", mstValue);
-    publishMessage("smartgarden/updates/esp-N2Ff4kaDgs45/moisture", buffer);
+    publishMessage(MQTT_MOISTURE, buffer);
 
     float humidityValue = readHumidity();
     Serial.print("Humidity: ");
     Serial.println(humidityValue);
     sprintf(buffer, "%f", humidityValue);
-    publishMessage("smartgarden/updates/esp-N2Ff4kaDgs45/humidity", buffer);
+    publishMessage(MQTT_HUMIDITY, buffer);
 
     float temperatureValue = readTemperature();
     Serial.print("Temperature: ");
     Serial.println(temperatureValue);
     sprintf(buffer, "%f", temperatureValue);
-    publishMessage("smartgarden/updates/esp-N2Ff4kaDgs45/temperature", buffer);
+    publishMessage(MQTT_TEMPERATURE, buffer);
     Serial.print("\n");
 
     pingTimer = millis();