From 77c20e1bda05b843a9e37338d88e2065275f46e7 Mon Sep 17 00:00:00 2001
From: mschader <mail@markusschader.de>
Date: Wed, 4 Oct 2017 00:41:21 +0200
Subject: [PATCH 1/2] Add support for BME280 environmental sensors

---
 framework/features/BME280.h | 55 +++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 framework/features/BME280.h

diff --git a/framework/features/BME280.h b/framework/features/BME280.h
new file mode 100644
index 0000000..cd254c0
--- /dev/null
+++ b/framework/features/BME280.h
@@ -0,0 +1,55 @@
+#ifndef BME280_SENSOR_H
+#define BME280_SENSOR_H
+
+#include "Feature.h"
+#include <Libraries/Adafruit_BME280_Library/Adafruit_BME280.h>
+
+#define SEALEVELPRESSURE_HPA (1013.25)
+
+template<const char* const name, uint8_t addr>
+class BME280 : public Feature<name> {
+
+protected:
+    using Feature<name>::LOG;
+    Adafruit_BME280 bme280;
+
+public:
+
+    BME280(Device* device) :
+            Feature<name>(device) {
+
+            bool status;
+            status = bme280.begin(addr);
+            if (!status) {
+                Serial.println("Could not detect a BME280 sensor, check wiring!");
+                while (1);
+            }
+
+            delay(100); // wait for the sensor to boot up
+
+            this->updateTimer.initializeMs(15000, TimerDelegate(&BME280::publishCurrentState, this));
+            this->updateTimer.start(true);
+        }
+
+protected:
+    virtual void publishCurrentState() {
+        long pressure = bme280.readPressure();
+        LOG.log("Pressure:", pressure);
+        this->publish("pressure", String(pressure));
+
+        float temperature = bme280.readTemperature();
+        LOG.log("Temperature:", temperature);
+        this->publish("temperature", String(temperature));
+
+        float humidity = bme280.readHumidity();
+        LOG.log("Humidity", humidity);
+        this->publish("humidity", String(humidity));
+    }
+
+private:
+    Timer updateTimer;
+
+};
+
+
+#endif

From 857d5095469c31ce4ae66e8920834821906e7c99 Mon Sep 17 00:00:00 2001
From: Martin Weinelt <hexa@darmstadt.ccc.de>
Date: Tue, 6 Mar 2018 20:39:19 +0100
Subject: [PATCH 2/2] Add BME280 example device

---
 devices/example-bme280/Impl.cpp  | 25 +++++++++++++++++++++++++
 devices/example-bme280/Readme.md |  6 ++++++
 2 files changed, 31 insertions(+)
 create mode 100644 devices/example-bme280/Impl.cpp
 create mode 100644 devices/example-bme280/Readme.md

diff --git a/devices/example-bme280/Impl.cpp b/devices/example-bme280/Impl.cpp
new file mode 100644
index 0000000..00b8b43
--- /dev/null
+++ b/devices/example-bme280/Impl.cpp
@@ -0,0 +1,25 @@
+#include "../features/BME280.h"
+#include "Device.h"
+
+
+constexpr const char BME280_NAME[] = "bme280";
+const uint8_t BME280_I2C_ADDR = 0x76;
+
+class Bme280Device : public Device {
+public:
+    Bme280Device() :
+            bme280(this)
+    {
+        this->add(&(this->bme280));
+    }
+
+private:
+    BME280<BME280_NAME, BME280_I2C_ADDR> bme280;
+};
+
+
+Device* createDevice() {
+    return new Bme280Device();
+}
+
+
diff --git a/devices/example-bme280/Readme.md b/devices/example-bme280/Readme.md
new file mode 100644
index 0000000..537210f
--- /dev/null
+++ b/devices/example-bme280/Readme.md
@@ -0,0 +1,6 @@
+An example device featuring the [Bosch BME280](https://www.bosch-sensortec.com/bst/products/all_products/bme280) environmental sensor.
+
+It provides data on:
+ - barometric pressure
+ - relative humidity
+ - temperature