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

master
klaute 4 years ago
commit 60561224d4
  1. BIN
      doc/wemos-d1-mini-shematics.jpg
  2. BIN
      doc/wemos_esp8266_pinout.png
  3. 22
      firmware/config.h
  4. 128
      firmware/firmware.ino
  5. 6
      firmware/influxdb.ino
  6. 12
      firmware/sensors.ino

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@ -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 uint16_t INFLUXDB_PORT = 80;
const char *INFLUXDB_DB = "weatherstation";
const char *INFLUXDB_USER = "oko";
const char *INFLUXDB_PASS = "de1873a0d2f8f21f17cf4d8db4f65c59";
String DEVICE_NAME = "aaron";
const char *INFLUXDB_HOST = "influxdb.okoyono.de";
const uint16_t INFLUXDB_PORT = 80;
const char *INFLUXDB_DB = "weatherstation";
const char *INFLUXDB_USER = "oko";
const char *INFLUXDB_PASS = "de1873a0d2f8f21f17cf4d8db4f65c59";
String DEVICE_NAME = "klaute";

@ -2,31 +2,31 @@
#include <ESP8266WiFi.h>
#include <DNSServer.h>
#include <ESP8266WebServer.h>
#include <WiFiManager.h>
#include <ESP8266Influxdb.h> // https://github.com/hwwong/ESP8266Influxdb auchecken und code+header in das firmware verzeichnis kopieren
#include <Adafruit_Sensor.h> // Adafruit Unified Sensor
#include <Adafruit_APDS9960.h> // https://github.com/adafruit/Adafruit_APDS9960
#include <Adafruit_BME280.h> // https://github.com/adafruit/Adafruit_BME280_Library
#include <WiFiManager.h> // WiFiManager
#include <ESP8266Influxdb.h> // https://github.com/hwwong/ESP8266Influxdb auchecken und den ordner in das arduino\library verzeichnis kopieren
#include <Adafruit_Sensor.h> // PAckage Adafruit Unified Sensor
#include <Adafruit_APDS9960.h> // Adafruit APDS9960 - https://www.makerfabs.com/index.php?route=product/product&product_id=281
#include <Adafruit_BME280.h> // BME280 - https://www.roboter-bausatz.de/1704/bmp280-barometer-luftdrucksensor?gclid=EAIaIQobChMIlpumj8Hp2wIVFWYbCh01PgmFEAQYAyABEgIwBvD_BwE
#include "config.h"
/**
* Whishlist:
* - Webserver for /metrics endpoint (Prometheus)
* - Show current sensor values over simple webpage
* - Push sensor values to various 3rd party services (https://openweathermap.org/)
* - 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};
Whishlist:
- Webserver for /metrics endpoint (Prometheus)
- Show current sensor values over simple webpage
- Push sensor values to various 3rd party services (https://openweathermap.org/)
- 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[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() {
#ifdef DEBUG
Serial.begin(115200);
#endif
void setup() {
#ifdef DEBUG
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
Serial.println("WiFi connection failed, we reboot ...");
#endif
ESP.reset();
delay(1000);
#ifdef DEBUG
Serial.println("WiFi connection failed, we reboot ...");
#endif
ESP.reset();
delay(1000);
}
#ifdef DEBUG
Serial.println("Connected!");
#endif
#ifdef DEBUG
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) {
Serial.println("Could not find a valid BME280 sensor, check wiring!");
while (1);
}
if (!status) {
Serial.println("Could not find a valid BME280 sensor, check wiring!");
while (1);
}
delay(100);
}
void loop() {
digitalWrite(STATUS_LED_PIN, LOW);
digitalWrite(STATUS_LED_PIN, LOW);
#ifdef DEBUG
Serial.println("---");
digitalWrite(STATUS_LED_PIN, HIGH);
#endif
#ifdef DEBUG
Serial.println("---");
digitalWrite(STATUS_LED_PIN, HIGH);
#endif
currentSensorData[SENSOR_TEMPERATURE] = fetchTemperature();
Serial.print("*");
currentSensorData[SENSOR_HUMIDITY] = fetchHumidity();
Serial.print("*");
//currentSensorData[SENSOR_LIGHT] = fetchLight();
Serial.print("*");
currentSensorData[SENSOR_WINDSPEED] = fetchWindspeed();
Serial.print("*");
currentSensorData[SENSOR_PRESSURE] = fetchPressure();
Serial.println("*");
#ifdef DEBUG
Serial.println("");
Serial.println("Current readings:");
Serial.println("Temperature: " + String(currentSensorData[SENSOR_TEMPERATURE]) + " °C");
Serial.println("Humidity: " + String(currentSensorData[SENSOR_HUMIDITY]) + " %");
Serial.println("Light: " + String(currentSensorData[SENSOR_LIGHT]) + " Lumen");
Serial.println("Windspeed: " + String(currentSensorData[SENSOR_WINDSPEED]) + " Km/h");
Serial.println("Pressure: " + String(currentSensorData[SENSOR_PRESSURE]) + " hPa");
#endif
currentSensorData[SENSOR_HUMIDITY] = fetchHumidity();
currentSensorData[SENSOR_LIGHT] = fetchLight();
currentSensorData[SENSOR_WINDSPEED] = fetchWindspeed();
currentSensorData[SENSOR_PRESSURE] = fetchPressure();
#ifdef DEBUG
Serial.println("");
Serial.println("Current readings:");
Serial.println("Temperature: " + String(currentSensorData[SENSOR_TEMPERATURE]) + " °C");
Serial.println("Humidity: " + String(currentSensorData[SENSOR_HUMIDITY]) + " %");
Serial.println("Light: " + String(currentSensorData[SENSOR_LIGHT]) + " Lumen");
Serial.println("Windspeed: " + String(currentSensorData[SENSOR_WINDSPEED]) + " km/h");
Serial.println("Pressure: " + String(currentSensorData[SENSOR_PRESSURE]) + " hPa");
#endif
pushToInfluxDB(DEVICE_NAME, currentSensorData);
delay(UPDATE_INTERVAL*1000);
}
delay(UPDATE_INTERVAL * 1000);
}

@ -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));
}
}

@ -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;
}

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