First fully working implementation. But the measured wind speed has to be verified. Added some links for documentation.

firmware/config.h

@@ -1,4 +1,4 @@
-#define DEBUG
+#define DEBUG 1
 
 #define SENSOR_TEMPERATURE    0
 #define SENSOR_HUMIDITY       1
@@ -9,22 +9,22 @@
 #define UPDATE_INTERVAL       4
 
 #define STATUS_LED_PIN        BUILTIN_LED
-#define ANEMOMETER_PIN        D4
+#define ANEMOMETER_PIN        D6
 
-#define BME_SCK 13
+#define BME_SCK  13
 #define BME_MISO 12
 #define BME_MOSI 11
-#define BME_CS 10
+#define BME_CS   10
 
 #define SEALEVELPRESSURE_HPA (1013.25)
 
 #define BME280_ADDRESS 0x76
 
-const char *INFLUXDB_HOST     = "influxdb.okoyono.de";
+const char     *INFLUXDB_HOST     = "influxdb.okoyono.de";
-const uint16_t INFLUXDB_PORT  = 80;
+const uint16_t  INFLUXDB_PORT     = 80;
-const char *INFLUXDB_DB       = "weatherstation";
+const char     *INFLUXDB_DB       = "weatherstation";
-const char *INFLUXDB_USER     = "oko";
+const char     *INFLUXDB_USER     = "oko";
-const char *INFLUXDB_PASS     = "de1873a0d2f8f21f17cf4d8db4f65c59";
+const char     *INFLUXDB_PASS     = "de1873a0d2f8f21f17cf4d8db4f65c59";
-
-String DEVICE_NAME            = "aaron";
 
+String DEVICE_NAME            = "klaute";
+

firmware/firmware.ino

@@ -2,31 +2,31 @@
 #include <ESP8266WiFi.h>
 #include <DNSServer.h>
 #include <ESP8266WebServer.h>
-#include <WiFiManager.h>
+#include <WiFiManager.h>       // WiFiManager
-#include <ESP8266Influxdb.h> // https://github.com/hwwong/ESP8266Influxdb auchecken und code+header in das firmware verzeichnis kopieren
+#include <ESP8266Influxdb.h>   // https://github.com/hwwong/ESP8266Influxdb auchecken und den ordner in das arduino\library verzeichnis kopieren
-#include <Adafruit_Sensor.h>  // Adafruit Unified Sensor
+#include <Adafruit_Sensor.h>   // PAckage Adafruit Unified Sensor
-#include <Adafruit_APDS9960.h> // https://github.com/adafruit/Adafruit_APDS9960
+#include <Adafruit_APDS9960.h> // Adafruit APDS9960 - https://www.makerfabs.com/index.php?route=product/product&product_id=281
-#include <Adafruit_BME280.h> // https://github.com/adafruit/Adafruit_BME280_Library
+#include <Adafruit_BME280.h>   // BME280 - https://www.roboter-bausatz.de/1704/bmp280-barometer-luftdrucksensor?gclid=EAIaIQobChMIlpumj8Hp2wIVFWYbCh01PgmFEAQYAyABEgIwBvD_BwE
 
 #include "config.h"
 
 /**
- * Whishlist:
+   Whishlist:
- * - Webserver for /metrics endpoint (Prometheus)
+   - Webserver for /metrics endpoint (Prometheus)
- * - Show current sensor values over simple webpage
+   - Show current sensor values over simple webpage
- * - Push sensor values to various 3rd party services (https://openweathermap.org/)
+   - Push sensor values to various 3rd party services (https://openweathermap.org/)
- * - MQTT?
+   - MQTT?
- * 
- * - Buffer sensor values if there is no WIFI connection
- * - Configure weather station over http webinterface
- * - OTA firmware update
- * 
- * TODO:
- * - https://sminghub.github.io/Sming/about/ 
- * - https://github.com/marvinroger/homie-esp8266
- */
 
-float currentSensorData[4] = {0.0, 0.0, 0.0, 0.0};
+   - Buffer sensor values if there is no WIFI connection
+   - Configure weather station over http webinterface
+   - OTA firmware update
+
+   TODO:
+   - https://sminghub.github.io/Sming/about/
+   - https://github.com/marvinroger/homie-esp8266
+*/
+
+float currentSensorData[5] = {0.0, 0.0, 0.0, 0.0, 0.0};
 
 
 WiFiManager wifiManager;
@@ -34,10 +34,13 @@ Influxdb influxdb(INFLUXDB_HOST, INFLUXDB_PORT);
 Adafruit_APDS9960 apds;
 Adafruit_BME280 bme;
 
-void setup() { 
+void setup() {
-  #ifdef DEBUG
+
-    Serial.begin(115200);
+#ifdef DEBUG
-  #endif
+  Serial.begin(115200);
+#endif
+
+  //WiFi.disconnect(); // enable to remove the wifi credentials
 
   // Pin settings
   pinMode(STATUS_LED_PIN, OUTPUT);
@@ -47,15 +50,16 @@ void setup() {
   String wifiName = "oko-weather-" + String(ESP.getChipId());
   wifiManager.setMinimumSignalQuality(15);
   if (!wifiManager.autoConnect(wifiName.c_str(), "DEADBEEF")) {
-    #ifdef DEBUG
+#ifdef DEBUG
-      Serial.println("WiFi connection failed, we reboot ...");
+    Serial.println("WiFi connection failed, we reboot ...");
-    #endif
+#endif
-      ESP.reset();
+    ESP.reset();
-      delay(1000);
+    delay(1000);
   }
-  #ifdef DEBUG
+
-    Serial.println("Connected!");
+#ifdef DEBUG
-  #endif
+  Serial.println("Connected!");
+#endif
 
   // Open the InfluxDB session
   influxdb.opendb(INFLUXDB_DB, INFLUXDB_USER, INFLUXDB_PASS);
@@ -65,44 +69,40 @@ void setup() {
   apds.enableColor(true);
 
   bool status = bme.begin(0x76);
-    if (!status) {
+  if (!status) {
-        Serial.println("Could not find a valid BME280 sensor, check wiring!");
+    Serial.println("Could not find a valid BME280 sensor, check wiring!");
-        while (1);
+    while (1);
-    }
+  }
 
   delay(100);
 }
 
 void loop() {
+
   digitalWrite(STATUS_LED_PIN, LOW);
 
-
+#ifdef DEBUG
-  #ifdef DEBUG
+  Serial.println("---");
-    Serial.println("---");
+  digitalWrite(STATUS_LED_PIN, HIGH);
-    digitalWrite(STATUS_LED_PIN, HIGH);
+#endif
-  #endif
   currentSensorData[SENSOR_TEMPERATURE] = fetchTemperature();
-  Serial.print("*");
+  currentSensorData[SENSOR_HUMIDITY]    = fetchHumidity();
-  currentSensorData[SENSOR_HUMIDITY] = fetchHumidity();
+  currentSensorData[SENSOR_LIGHT]       = fetchLight();
-  Serial.print("*");
+  currentSensorData[SENSOR_WINDSPEED]   = fetchWindspeed();
-  //currentSensorData[SENSOR_LIGHT] = fetchLight();
+  currentSensorData[SENSOR_PRESSURE]    = fetchPressure();
-  Serial.print("*");
-  currentSensorData[SENSOR_WINDSPEED] = fetchWindspeed();
-  Serial.print("*");
-  currentSensorData[SENSOR_PRESSURE] = fetchPressure();
-  Serial.println("*");
 
-  #ifdef DEBUG
+#ifdef DEBUG
-    Serial.println("");
+  Serial.println("");
-    Serial.println("Current readings:");
+  Serial.println("Current readings:");
-    Serial.println("Temperature: " + String(currentSensorData[SENSOR_TEMPERATURE]) + " °C");
+  Serial.println("Temperature: " + String(currentSensorData[SENSOR_TEMPERATURE]) + " °C");
-    Serial.println("Humidity: " + String(currentSensorData[SENSOR_HUMIDITY]) + " %");
+  Serial.println("Humidity: " + String(currentSensorData[SENSOR_HUMIDITY]) + " %");
-    Serial.println("Light: " + String(currentSensorData[SENSOR_LIGHT]) + " Lumen");
+  Serial.println("Light: " + String(currentSensorData[SENSOR_LIGHT]) + " Lumen");
-    Serial.println("Windspeed: " + String(currentSensorData[SENSOR_WINDSPEED]) + " Km/h");
+  Serial.println("Windspeed: " + String(currentSensorData[SENSOR_WINDSPEED]) + " km/h");
-    Serial.println("Pressure: " + String(currentSensorData[SENSOR_PRESSURE]) + " hPa");
+  Serial.println("Pressure: " + String(currentSensorData[SENSOR_PRESSURE]) + " hPa");
-  #endif
+#endif
 
   pushToInfluxDB(DEVICE_NAME, currentSensorData);
-  
+
-  delay(UPDATE_INTERVAL*1000);
+  delay(UPDATE_INTERVAL * 1000);
-}
+}
+

firmware/influxdb.ino

@@ -1,10 +1,14 @@
+
 void pushToInfluxDB(String device, float sensorValues[]) {
+
   influxdb.write("weather,device=" + device + " temperature=" + String(sensorValues[SENSOR_TEMPERATURE]));
   influxdb.write("weather,device=" + device + " humidity=" + String(sensorValues[SENSOR_HUMIDITY]));
   influxdb.write("weather,device=" + device + " light=" + String(sensorValues[SENSOR_LIGHT]));
   influxdb.write("weather,device=" + device + " windspeed=" + String(sensorValues[SENSOR_WINDSPEED]));
+
   int tmp = influxdb.write("weather,device=" + device + " pressure=" + String(sensorValues[SENSOR_PRESSURE]));
 
   Serial.println("Opendb status: " + String(tmp));
 
-}
+}
+

firmware/sensors.ino

@@ -1,11 +1,14 @@
+
 int anemometerRotations = 0;
 unsigned long currentTime = 0;
 
 float fetchTemperature() {
+  //return 10;
   return bme.readTemperature();
 }
 
 float fetchPressure() {
+  //return 10;
   return bme.readPressure() / 100.0F;
 }
 
@@ -24,8 +27,11 @@ float fetchLight() {
   return white;
 }
 
-void anemometerInterrupt() {
+void _anemometerInterrupt() {
   anemometerRotations++;
+#ifdef DEBUG
+  Serial.print("*");
+#endif
 }
 
 float fetchWindspeed() {
@@ -33,10 +39,10 @@ float fetchWindspeed() {
   currentTime = millis();
   int interruptNumber = digitalPinToInterrupt(ANEMOMETER_PIN);
 
-  attachInterrupt(interruptNumber, anemometerInterrupt, RISING);
+  attachInterrupt(interruptNumber, _anemometerInterrupt, RISING);
   delay(1000 * 5);
   detachInterrupt(interruptNumber);
 
   return (float)anemometerRotations / 5.0 * 2.4;
 }
-
+