Merge pull request #19 from intel-iot-devkit/BME280

Example Application for BME280 Temperature, Pressure and Humidity Sen…

Author: Bruce j Beare

bme280/.gitignore

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+/build

bme280/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 25
+    buildToolsVersion "25.0.2"
+
+    defaultConfig {
+        applicationId "com.example.upm.androidthings.driversamples"
+        minSdkVersion 24
+        targetSdkVersion 25
+        versionCode 1
+        versionName "1.0"
+
+        jackOptions {
+            enabled true
+        }
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+    compile fileTree(dir: 'libs', include: ['*.jar'])
+    compile project(':driverlibrary')
+    compile 'io.mraa.at.upm:upm_bmp280:1.2.0'
+}

bme280/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in /home/brillo/Android/Sdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}

bme280/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.upm.androidthings.driversamples">
+
+    <application android:allowBackup="true" android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name" android:supportsRtl="true">
+        <activity android:name=".BMETempActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

bme280/src/main/java/com/example/upm/androidthings/driversamples/BMETempActivity.java

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+package com.example.upm.androidthings.driversamples;
+
+import android.app.Activity;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.util.Log;
+
+import com.example.upm.androidthings.driverlibrary.BoardDefaults;
+import mraa.mraa;
+
+public class BMETempActivity extends Activity {
+
+    private static final String TAG = "BMETempActivity";
+
+    upm_bmp280.BME280 tphSensor;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_bmetemp);
+
+        BoardDefaults bd = new BoardDefaults(this.getApplicationContext());
+        int i2cIndex = -1;
+
+        switch (bd.getBoardVariant()) {
+            case BoardDefaults.DEVICE_EDISON_ARDUINO:
+                i2cIndex = mraa.getI2cLookup(getString(R.string.Bme_Edison_Arduino));
+                break;
+            case BoardDefaults.DEVICE_EDISON_SPARKFUN:
+                i2cIndex = mraa.getI2cLookup(getString(R.string.Bme_Edison_Sparkfun));
+                break;
+            case BoardDefaults.DEVICE_JOULE_TUCHUCK:
+                i2cIndex = mraa.getI2cLookup(getString(R.string.Bme_Joule_Tuchuck));
+                break;
+            default:
+                throw new IllegalStateException("Unknown Board Variant: " + bd.getBoardVariant());
+        }
+
+        tphSensor = new upm_bmp280.BME280(i2cIndex);
+        AsyncTask.execute(tphSensorTask);
+    }
+
+    Runnable tphSensorTask = new Runnable() {
+
+        @Override
+        public void run() {
+            // Moves the current thread into the background
+            android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_BACKGROUND);
+
+            try {
+                while (true)
+                {
+                    // update our values from the sensor
+                    tphSensor.update();
+
+                    Log.i(TAG,"Compensation Temperature: " + tphSensor.getTemperature()
+                            + " C / "
+                            + tphSensor.getTemperature(true)
+                            + " F");
+
+                    Log.i(TAG,"Pressure: "
+                            + tphSensor.getPressure()
+                            + " Pa");
+
+                    Log.i(TAG,"Computed Altitude: "
+                            + tphSensor.getAltitude()
+                            + " m");
+
+                    Log.i(TAG,"Humidity: "
+                            + tphSensor.getHumidity()
+                            + " %RH");
+                    Thread.sleep(1000);
+                }
+
+            } catch (InterruptedException e) {
+                Thread.currentThread().interrupt();
+            } finally {
+                tphSensor.reset();
+                BMETempActivity.this.finish();
+
+            }
+        }
+    };
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+
+        Thread.currentThread().interrupt();
+        tphSensor.reset();
+    }
+}

bme280/src/main/res/layout/activity_bmetemp.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools" android:id="@+id/activity_bmetemp"
+    android:layout_width="match_parent" android:layout_height="match_parent"
+    android:paddingBottom="@dimen/activity_vertical_margin"
+    android:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingTop="@dimen/activity_vertical_margin"
+    tools:context="com.example.upm.androidthings.driversamples.BMETempActivity">
+
+    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content"
+        android:text="Hello World!" />
+</RelativeLayout>