/**************************************************************************************************
Filename: SensorTagBarometerProfile.java
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package com.example.ti.ble.sensortag;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothGattCharacteristic;
import android.bluetooth.BluetoothGattService;
import android.content.Context;
import android.util.Log;
import com.example.ti.ble.common.BluetoothLeService;
import com.example.ti.ble.common.GattInfo;
import com.example.ti.ble.common.GenericBluetoothProfile;
import com.example.ti.util.Point3D;
public class SensorTagBarometerProfile extends GenericBluetoothProfile {
private BluetoothGattCharacteristic calibC;
private boolean isCalibrated;
private boolean isHeightCalibrated;
private static final double PA_PER_METER = 12.0;
public SensorTagBarometerProfile(Context con,BluetoothDevice device,BluetoothGattService service,BluetoothLeService controller) {
super(con,device,service,controller);
this.tRow = new SensorTagBarometerTableRow(con);
List<BluetoothGattCharacteristic> characteristics = this.mBTService.getCharacteristics();
for (BluetoothGattCharacteristic c : characteristics) {
if (c.getUuid().toString().equals(SensorTagGatt.UUID_BAR_DATA.toString())) {
this.dataC = c;
}
if (c.getUuid().toString().equals(SensorTagGatt.UUID_BAR_CONF.toString())) {
this.configC = c;
}
if (c.getUuid().toString().equals(SensorTagGatt.UUID_BAR_PERI.toString())) {
this.periodC = c;
}
if (c.getUuid().toString().equals(SensorTagGatt.UUID_BAR_CALI.toString())) {
this.calibC = c;
}
}
if (this.mBTDevice.getName().equals("CC2650 SensorTag")) {
this.isCalibrated = true;
}
else {
this.isCalibrated = false;
}
this.isHeightCalibrated = false;
this.tRow.sl1.autoScale = true;
this.tRow.sl1.autoScaleBounceBack = true;
this.tRow.sl1.setColor(255, 0, 150, 125);
this.tRow.setIcon(this.getIconPrefix(), this.dataC.getUuid().toString());
this.tRow.title.setText(GattInfo.uuidToName(UUID.fromString(this.dataC.getUuid().toString())));
this.tRow.uuidLabel.setText(this.dataC.getUuid().toString());
this.tRow.value.setText("0.0mBar, 0.0m");
this.tRow.periodBar.setProgress(100);
}
public static boolean isCorrectService(BluetoothGattService service) {
if ((service.getUuid().toString().compareTo(SensorTagGatt.UUID_BAR_SERV.toString())) == 0) {
return true;
}
else return false;
}
public void enableService() {
while (!(mBTLeService.checkGatt())) {
mBTLeService.waitIdle(GATT_TIMEOUT);
}
if (!(this.isCalibrated)) {
// Write the calibration code to the configuration registers
mBTLeService.writeCharacteristic(this.configC, Sensor.CALIBRATE_SENSOR_CODE);
mBTLeService.waitIdle(GATT_TIMEOUT);
mBTLeService.readCharacteristic(this.calibC);
mBTLeService.waitIdle(GATT_TIMEOUT);
}
else {
int error = mBTLeService.writeCharacteristic(this.configC, (byte)0x01);
if (error != 0) {
if (this.configC != null)
Log.d("SensorTagBarometerProfile","Sensor config failed: " + this.configC.getUuid().toString() + " Error: " + error);
}
error = this.mBTLeService.setCharacteristicNotification(this.dataC, true);
if (error != 0) {
if (this.dataC != null)
Log.d("SensorTagBarometerProfile","Sensor notification enable failed: " + this.configC.getUuid().toString() + " Error: " + error);
}
}
this.isEnabled = true;
}
@Override
public void didReadValueForCharacteristic(BluetoothGattCharacteristic c) {
if (this.calibC != null) {
if (this.calibC.equals(c)) {
//We have been calibrated
// Sanity check
byte[] value = c.getValue();
if (value.length != 16) {
return;
}
// Barometer calibration values are read.
List<Integer> cal = new ArrayList<Integer>();
for (int offset = 0; offset < 8; offset += 2) {
Integer lowerByte = (int) value[offset] & 0xFF;
Integer upperByte = (int) value[offset + 1] & 0xFF;
cal.add((upperByte << 8) + lowerByte);
}
for (int offset = 8; offset < 16; offset += 2) {
Integer lowerByte = (int) value[offset] & 0xFF;
Integer upperByte = (int) value[offset + 1];
cal.add((upperByte << 8) + lowerByte);
}
Log.d("SensorTagBarometerProfile", "Barometer calibrated !!!!!");
BarometerCalibrationCoefficients.INSTANCE.barometerCalibrationCoefficients = cal;
this.isCalibrated = true;
int error = mBTLeService.writeCharacteristic(this.configC, (byte)0x01);
if (error != 0) {
if (this.configC != null)
Log.d("SensorTagBarometerProfile","Sensor config failed: " + this.configC.getUuid().toString() + " Error: " + error);
}
error = this.mBTLeService.setCharacteristicNotification(this.dataC, true);
if (error != 0) {
if (this.dataC != null)
Log.d("SensorTagBarometerProfile","Sensor notification enable failed: " + this.configC.getUuid().toString() + " Error: " + error);
}
}
}
}
@Override
public void didUpdateValueForCharacteristic(BluetoothGattCharacteristic c) {
byte[] value = c.getValue();
if (c.equals(this.dataC)){
Point3D v;
v = Sensor.BAROMETER.convert(value);
if (!(this.isHeightCalibrated)) {
BarometerCalibrationCoefficients.INSTANCE.heightCalibration = v.x;
//Toast.makeText(this.tRow.getContext(), "Height measurement calibrated",
// Toast.LENGTH_SHORT).show();
this.isHeightCalibrated = true;
}
double h = (v.x - BarometerCalibrationCoefficients.INSTANCE.heightCalibration)
/ PA_PER_METER;
h = (double) Math.round(-h * 10.0) / 10.0;
//msg = decimal.format(v.x / 100.0f) + "\n" + h;
if (this.tRow.config == false) this.tRow.value.setText(String.format("%.1f mBar %.1f meter", v.x / 100, h));
this.tRow.sl1.addValue((float)v.x / 100.0f);
//mBarValue.setText(msg);
}
}
protected void calibrationButtonTouched() {
this.isHeightCalibrated = false;
}
@Override
public Map<String,String> getMQTTMap() {
Point3D v = Sensor.BAROMETER.convert(this.dataC.getValue());
Map<String,String> map = new HashMap<String, String>();
map.put("air_pressure",String.format("%.2f",v.x / 100));
return map;
}
}
