bathroom content

esp8266-sensor.ino

@@ -16,6 +16,10 @@ const bool metric = true;
 #include <Wire.h>
 #include <MQTTClient.h>
 #include <IPAddress.h>
+
+#include "EnvironmentCalculations.h"
+
+#include "secrets.h"
 /*
    reset causes:
     0:
@@ -90,6 +94,7 @@ IPAddress mqttBroker(10, 0, 4, 1);  //failsafe
 const int FW_VERSION = 10;
 const char* fwUrlBase = "http://10.0.4.2/fota/";
 /************************* MQTT Broker Setup *********************************/
+#define name "bathroom"
 const int  MQTT_PORT = 1883;
 const char MQTT_SERVER[] = "mqtt.koelner.dynvpn.de";
 char MQTT_CLIENTID[10];

main.ino

@@ -58,6 +58,7 @@ SHTSensor sht(SHTSensor::SHT3X_ALT);
 #ifdef VEML_USE
 //https://github.com/schizobovine/VEML6075
 #include <VEML6075.h>
+//#include <SparkFun_VEML6075_Arduino_Library.h>
 VEML6075 uvMeter;
 #endif
 /************************* BH1750 I2C *********************************/
@@ -137,19 +138,24 @@ uint32_t calculateCRC32( const uint8_t *data, size_t length ) {
 
   return crc;
 }
-uint32_t voltageDivCorrelation(uint32_t u3) {
+
 #ifdef BATTERY_USE
+uint32_t voltageDivCorrelation(uint32_t u3) {
+
   const unsigned int offset = 8;
 
   if (u3 < offset) {
     return BATT_MEASUREMENT_OFFSET;
   }
-#endif
-  //translate the 10bit value to reference voltage
-  //uint32_t adc = map (u3-offset, 0, 1023, 0 , 110);
-  uint32_t r1 = 390;
-  uint32_t r2 = 220;
-  uint32_t r3 = 100;
+
+  //translate the 10bit value to reference voltage of 1.0V
+  //Resistors are usually in kOhm
+
+  //ToDo: Not working! adc contains millivoltage at native adc port
+  uint32_t adc = map (u3 - offset, 0, 1023, 0 , 1000);
+  const uint32_t r1 = 390;
+  const uint32_t r2 = 220;
+  const uint32_t r3 = 100;
   uint32_t rges = r1 + r2 + r3;
   uint32_t uges = u3 * rges / r3;
   //TODO why?!
@@ -158,6 +164,7 @@ uint32_t voltageDivCorrelation(uint32_t u3) {
 }
 
 uint32_t adc = 0;
+#endif
 
 #if defined(BME2_USE) || defined (BME6_USE)
 float temperature(NAN);
@@ -318,6 +325,7 @@ void initSensors() {
   }
   else {
     veml6075Check = true;
+    //set one time measurementw
 #ifdef SERIAL_DEBUG
     Serial.println(F("VEML6075 ready."));
 #endif
@@ -544,6 +552,7 @@ Serial.print(F("\tSHT30 init...\t"));
 
 
 void setup() {
+  pinMode(D0, WAKEUP_PULLUP);
   // if serial is not initialized all following calls to serial end dead.
 #ifdef SERIAL_DEBUG
   Serial.flush();

measurement.ino

@@ -595,6 +595,48 @@ void measurement() {
     mqttClient.loop();
     delay(10);
   }
+#endif
+    /********************* Absolute Humidity **************************************/
+#ifdef SHT_USE
+  if (sht30Check) {
+    absHumidity = EnvironmentCalculations::AbsoluteHumidity(temperature, humidity, EnvironmentCalculations::TempUnit_Celsius);
+#ifdef SERIAL_DEBUG
+    Serial.print("abs Humidity:\t");
+    Serial.print(absHumidity);
+    Serial.print(" g/m^3");
+    Serial.print("\t\t");
+#endif
+    absHum_str = String(absHumidity);
+    absHum_str.toCharArray(absHum, absHum_str.length() + 1);
+#ifdef OLED_OUTPUT
+    display.drawStringMaxWidth(0, 0, 128, " " + absHum_str + "g/m^3" );
+#endif
+
+#ifdef SERIAL_DEBUG
+    Serial.print("Publish abs Humidity: \t");
+#endif
+    if (! mqttClient.publish(ABSHUMIDITY_FEED, absHum, true, 1) || !mqttClient.loop()) {
+#ifdef SERIAL_DEBUG
+      Serial.println("Failed!");
+#endif
+
+#ifdef OLED_OUTPUT
+      display.drawStringMaxWidth(110, 0, 128, "x");
+#endif
+
+    } else {
+#ifdef SERIAL_DEBUG
+      Serial.println("OK");
+#endif
+
+#ifdef OLED_OUTPUT
+      display.drawStringMaxWidth(110, 0, 128, "o");
+#endif
+    }
+    mqttClient.loop();
+    yield();
+    delay(10);
+  }
 #endif
   /********************* Absolute Humidity **************************************/
 #ifdef SI7021_USE

wifi.ino

@@ -49,7 +49,7 @@ bool wifi_connect() {
   // Disable the WiFi persistence.  The ESP8266 will not load and save WiFi settings in the flash memory.
   // http://arduino-esp8266.readthedocs.io/en/latest/esp8266wifi/generic-class.html#persistent
   WiFi.persistent (false);
-  WiFi.hostname("bathroom"); //ToDo Change to correct value
+  WiFi.hostname(name); //ToDo Change to correct value
   WiFi.config(ip, gateway, subnet, dns);
   // Connect to WiFi access point.
   if( rtcValid ) {