From 275a645b15ccfa72703729f81abd14a9344284b1 Mon Sep 17 00:00:00 2001
From: user2684 <you@example.com>
Date: Fri, 31 Mar 2017 15:41:13 +0200
Subject: [PATCH] Add support for BME280 temperature/humudity/pressure sensor
#21
---
NodeManagerTemplate/NodeManager.cpp | 106 +++++++++++++++++++-
NodeManagerTemplate/NodeManager.h | 35 ++++++-
NodeManagerTemplate/NodeManagerTemplate.ino | 2 +-
NodeManagerTemplate/config.h | 2 +
4 files changed, 138 insertions(+), 7 deletions(-)
diff --git a/NodeManagerTemplate/NodeManager.cpp b/NodeManagerTemplate/NodeManager.cpp
index 2c8e2f0..d2ff380 100644
--- a/NodeManagerTemplate/NodeManager.cpp
+++ b/NodeManagerTemplate/NodeManager.cpp
@@ -888,6 +888,93 @@ void SensorMLX90614::onReceive(const MyMessage & message) {
}
#endif
+
+/*
+ SensorBME280
+*/
+#if MODULE_BME280 == 1
+// contructor
+SensorBME280::SensorBME280(int child_id, Adafruit_BME280* bme, int sensor_type): Sensor(child_id,A4) {
+ // store the sensor type (0: temperature, 1: humidity, 2: pressure)
+ _sensor_type = sensor_type;
+ if (_sensor_type == 0) {
+ // temperature sensor
+ setPresentation(S_TEMP);
+ setType(V_TEMP);
+ setValueType(TYPE_FLOAT);
+ }
+ else if (_sensor_type == 1) {
+ // humidity sensor
+ setPresentation(S_HUM);
+ setType(V_HUM);
+ setValueType(TYPE_FLOAT);
+ }
+ else if (_sensor_type == 2) {
+ // pressure sensor
+ setPresentation(S_BARO);
+ setType(V_PRESSURE);
+ setValueType(TYPE_FLOAT);
+ }
+}
+
+// what do to during setup
+void SensorBME280::onBefore() {
+ // initialize the library
+}
+
+// what do to during loop
+void SensorBME280::onLoop() {
+ // temperature sensor
+ if (_sensor_type == 0) {
+ // read the temperature
+ float temperature = _bme->readTemperature();
+ // convert it
+ if (! getControllerConfig().isMetric) temperature = temperature * 1.8 + 32;
+ #if DEBUG == 1
+ Serial.print("BME I=");
+ Serial.print(_child_id);
+ Serial.print(" T=");
+ Serial.println(temperature);
+ #endif
+ // store the value
+ if (! isnan(temperature)) _value_float = temperature;
+ }
+ // Humidity Sensor
+ else if (_sensor_type == 1) {
+ // read humidity
+ float humidity = _bme->readHumidity();
+ if (isnan(humidity)) return;
+ #if DEBUG == 1
+ Serial.print("BME I=");
+ Serial.print(_child_id);
+ Serial.print(" H=");
+ Serial.println(humidity);
+ #endif
+ // store the value
+ if (! isnan(humidity)) _value_float = humidity;
+ }
+ // Pressure Sensor
+ else if (_sensor_type == 2) {
+ // read humidity
+ float pressure = _bme->readPressure() / 100.0F;
+ if (isnan(pressure)) return;
+ #if DEBUG == 1
+ Serial.print("BME I=");
+ Serial.print(_child_id);
+ Serial.print(" P=");
+ Serial.println(pressure);
+ #endif
+ // store the value
+ if (! isnan(pressure)) _value_float = pressure;
+ }
+}
+
+// what do to as the main task when receiving a message
+void SensorBME280::onReceive(const MyMessage & message) {
+ onLoop();
+}
+#endif
+
/*******************************************
NodeManager
*/
@@ -1050,15 +1137,28 @@ int NodeManager::registerSensor(int sensor_type, int pin, int child_id) {
#endif
#if MODULE_MLX90614 == 1
else if (sensor_type == SENSOR_MLX90614) {
- Serial.println("1");
Adafruit_MLX90614* mlx = new Adafruit_MLX90614();
- Serial.println("2");
registerSensor(new SensorMLX90614(child_id,mlx,0));
- Serial.println("3");
child_id = _getAvailableChildId();
return registerSensor(new SensorMLX90614(child_id,mlx,1));
}
#endif
+ #if MODULE_BME280 == 1
+ else if (sensor_type == SENSOR_BME280) {
+ Adafruit_BME280* bme = new Adafruit_BME280();
+ if (! bme->begin()) {
+ #if DEBUG == 1
+ Serial.println("NO BME");
+ #endif
+ return -1;
+ }
+ registerSensor(new SensorBME280(child_id,bme,0));
+ child_id = _getAvailableChildId();
+ registerSensor(new SensorBME280(child_id,bme,1));
+ child_id = _getAvailableChildId();
+ return registerSensor(new SensorBME280(child_id,bme,2));
+ }
+ #endif
else {
#if DEBUG == 1
Serial.print("INVALID ");
diff --git a/NodeManagerTemplate/NodeManager.h b/NodeManagerTemplate/NodeManager.h
index b3dcb60..ff89495 100644
--- a/NodeManagerTemplate/NodeManager.h
+++ b/NodeManagerTemplate/NodeManager.h
@@ -133,7 +133,10 @@
#ifndef MODULE_MLX90614
#define MODULE_MLX90614 0
#endif
-
+// Enable this module to use one of the following sensors: SENSOR_BME280
+#ifndef MODULE_BME280
+ #define MODULE_BME280 0
+#endif
/***********************************
Sensors types
*/
@@ -187,8 +190,11 @@
// MLX90614 sensor, contactless temperature sensor
#define SENSOR_MLX90614 17
#endif
-
-// last Id: 17
+#if MODULE_BME280 == 1
+ // MLX90614 sensor, contactless temperature sensor
+ #define SENSOR_BME280 18
+#endif
+// last Id: 18
/***********************************
Libraries
*/
@@ -218,6 +224,12 @@
#include <Wire.h>
#include <Adafruit_MLX90614.h>
#endif
+#if MODULE_BME280 == 1
+ #include <Wire.h>
+ #include <SPI.h>
+ #include <Adafruit_Sensor.h>
+ #include <Adafruit_BME280.h>
+#endif
/**************************************
Classes
@@ -578,6 +590,23 @@ class SensorMLX90614: public Sensor {
};
#endif
+/*
+ SensorBME280
+*/
+#if MODULE_BME280 == 1
+class SensorBME280: public Sensor {
+ public:
+ SensorBME280(int child_id, Adafruit_BME280* bme, int sensor_type);
+ // define what to do at each stage of the sketch
+ void onBefore();
+ void onLoop();
+ void onReceive(const MyMessage & message);
+ protected:
+ Adafruit_BME280* _bme;
+ int _sensor_type;
+};
+#endif
+
/***************************************
NodeManager: manages all the aspects of the node
*/
diff --git a/NodeManagerTemplate/NodeManagerTemplate.ino b/NodeManagerTemplate/NodeManagerTemplate.ino
index 37b2d81..e95de27 100644
--- a/NodeManagerTemplate/NodeManagerTemplate.ino
+++ b/NodeManagerTemplate/NodeManagerTemplate.ino
@@ -29,7 +29,7 @@ void before() {
/*
* Register below your sensors
*/
-
+
/*
* Register above your sensors
diff --git a/NodeManagerTemplate/config.h b/NodeManagerTemplate/config.h
index f68717d..facbfd1 100644
--- a/NodeManagerTemplate/config.h
+++ b/NodeManagerTemplate/config.h
@@ -66,5 +66,7 @@
#define MODULE_BH1750 0
// Enable this module to use one of the following sensors: SENSOR_MLX90614
#define MODULE_MLX90614 0
+// Enable this module to use one of the following sensors: SENSOR_BME280
+#define MODULE_BME280 0
#endif
--
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