Add bme680 sensor

WifiControlSensor/BME680.h

@@ -0,0 +1,28 @@
+#pragma once
+#ifdef CONFIG_ENABLE_BME680
+#include <Wire.h>
+#include <SPI.h>
+#include <Adafruit_Sensor.h>
+#include "Adafruit_BME680.h"
+#include "debug_sketch.h"
+
+#define BME_SCK 13
+#define BME_MISO 12
+#define BME_MOSI 11
+#define BME_CS 10
+
+//Use Default i2c pin GPIO4(D2): SDA, GPIO5(D1):SCL
+
+#define SEALEVELPRESSURE_HPA (1013.25)
+#include <SFE_BMP180.h>
+#include "debug_sketch.h"
+
+int BME680GetMeasure(float &t, float &p, float &h, float &g, float &a);
+int BME680Setup();
+bool BME680IsConnected();
+
+#else //CONFIG_ENABLE_BMP80
+int BME680GetMeasure(float &, float &, float&, float &, float &);
+int BME680Setup(){SKETCH_DEBUG_PRINTLN("BME680 is disabled at build time"); return -1;};
+bool BME680IsConnected(){return false;};
+#endif

WifiControlSensor/BME680.ino

@@ -0,0 +1,40 @@
+#ifdef CONFIG_ENABLE_BME680
+#include "BME680.h"
+Adafruit_BME680 bme; // I2C
+//Adafruit_BME680 bme(BME_CS); // hardware SPI
+//Adafruit_BME680 bme(BME_CS, BME_MOSI, BME_MISO,  BME_SCK);
+
+int bme680Connected = 0;
+
+int BME680Setup() {
+    bme680Connected = bme.begin();
+    if (!bme680Connected){
+        SKETCH_DEBUG_PRINTLN("Cannot connect to BME680");
+        return -1;
+    }
+    // Set up oversampling and filter initialization
+    bme.setTemperatureOversampling(BME680_OS_8X);
+    bme.setHumidityOversampling(BME680_OS_2X);
+    bme.setPressureOversampling(BME680_OS_4X);
+    bme.setIIRFilterSize(BME680_FILTER_SIZE_3);
+    bme.setGasHeater(320, 150); // 320*C for 150 ms
+    return 0;
+}
+
+bool BME680IsConnected() {
+  return bme680Connected != 0;
+}
+
+int BME680GetMeasure(float &t, float &p, float &h, float &g, float &a){
+    if(!bme.performReading()){
+        SKETCH_DEBUG_PRINTLN("Cannot read BME680 measure");
+        return -1;
+    }
+    t = bme.temperature;
+    p = bme.pressure / 100.0;
+    h = bme.humidity;
+    g = bme.gas_resistance / 1000.0;
+    a = bme.readAltitude(SEALEVELPRESSURE_HPA);
+    return 0;
+}
+#endif

WifiControlSensor/MQTT.h

@@ -11,6 +11,11 @@
 #define PWM_FEED_FORMAT               "/feeds/%s/%s/gpio/%d"
 #define PWM_SET_FEED_FORMAT           "/feeds/%s/%s/gpio/%d/set"
 #define IP_FEED_FORMAT                "/feeds/%s/%s/configuration/ip/addr"
+#define BME680_TEMPERATURE_FEED_FORMAT "/feeds/%s/%s/bme680/temperature"
+#define BME680_PRESSURE_FEED_FORMAT    "/feeds/%s/%s/bme680/pressure"
+#define BME680_HUMIDITY_FEED_FORMAT    "/feeds/%s/%s/bme680/humidity"
+#define BME680_GAZ_FEED_FORMAT         "/feeds/%s/%s/bme680/gaz"
+#define BME680_ALT_FEED_FORMAT         "/feeds/%s/%s/bme680/alt"
 #ifndef CONFIG_DISABLE_MQTT
 #include "Adafruit_MQTT.h"
 

WifiControlSensor/MQTT.ino

@@ -87,7 +87,7 @@ int MqttBatchPublish(std::vector<struct mqttInfo> tab, ...) {
     va_start (args, tab);
     vsnprintf(buf, sizeof(buf), (const char *)info.topic, args);
     va_end(args);
-    SKETCH_DEBUG_PRINTF("publishing %f for %s\n", info.value, buf);
+    SKETCH_DEBUG_PRINTFLN("publishing %f for %s\n", info.value, buf);
     Adafruit_MQTT_Publish client(mqtt, buf, info.qos, info.retain);
     if (!client.publish(info.value))
       SKETCH_DEBUG_PRINTLN("Fail :(");

WifiControlSensor/WifiControlSensor.ino

@@ -61,6 +61,7 @@ extern "C" {
 
 double temp, pressure;
 float dhtTemp, dhtHumidity;
+float bme680T, bme680P, bme680H, bme680G, bme680A;
 int dryness;
 uint8_t mode;
 int reconfig = 0;
@@ -273,6 +274,9 @@ void setup() {
     if (!DrySetup(CONFIG_DRY_POWER_PIN)) {
       SKETCH_DEBUG_PRINTLN("DRY init success");
     }
+    if(!BME680Setup()){
+      SKETCH_DEBUG_PRINTLN("BME680 init success");
+    }
     WebSetupServer(mode);
   }
 #ifdef CONFIG_ENABLE_POWER_SAVE
@@ -309,6 +313,24 @@ void loop() {
         SKETCH_DEBUG_PRINTF("Current dryness %d %%\n", (dryness * 100) / 1024);
         batchInfo.push_back({dryness, DRY_FEED_FORMAT, 0, 0});
       }
+      if (!BME680GetMeasure(bme680T, bme680P, bme680H, bme680G, bme680A)) {
+        SKETCH_DEBUG_PRINT("Current T°C: ");
+        SKETCH_DEBUG_PRINT(bme680T);
+        SKETCH_DEBUG_PRINT(" Pressure hPa: ");
+        SKETCH_DEBUG_PRINT(bme680P);
+        SKETCH_DEBUG_PRINT(" Humidity %: ");
+        SKETCH_DEBUG_PRINTLN(bme680H);
+        SKETCH_DEBUG_PRINT(" Gaz kOhms: ");
+        SKETCH_DEBUG_PRINTLN(bme680G);
+        SKETCH_DEBUG_PRINT(" Altitude M: ");
+        SKETCH_DEBUG_PRINTLN(bme680A);
+        batchInfo.push_back({bme680T, BME680_TEMPERATURE_FEED_FORMAT, 0, 0});
+        batchInfo.push_back({bme680P, BME680_PRESSURE_FEED_FORMAT, 0, 0});
+        batchInfo.push_back({bme680H, BME680_HUMIDITY_FEED_FORMAT, 0, 0});
+        batchInfo.push_back({bme680G, BME680_GAZ_FEED_FORMAT, 0, 0});
+        batchInfo.push_back({bme680A, BME680_ALT_FEED_FORMAT, 0, 0});
+      }
+
       if (mode == BOOTMODE_NORMAL)
         MqttBatchPublish(batchInfo, conf.mqttUser, conf.host);
       nbCycle = 0;