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Code Pull Requests Actions Releases 2 Activity

Bluetooth: inline BluetoothUtils into Handler classes.

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This commit is contained in:
Dennis Guse
2023-11-05 15:13:40 +01:00
parent 4d54472c93
commit f2594371d3
13 changed files with 391 additions and 314 deletions
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src/main/java/de/dennisguse/opentracks/sensors/BluetoothUtils.java
-169
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@@ -21,22 +21,9 @@ import android.bluetooth.BluetoothManager;
import android.content.Context;
import android.util.Log;
import androidx.annotation.NonNull;
import java.util.UUID;
import de.dennisguse.opentracks.data.models.AtmosphericPressure;
import de.dennisguse.opentracks.data.models.BatteryLevel;
import de.dennisguse.opentracks.data.models.Cadence;
import de.dennisguse.opentracks.data.models.Distance;
import de.dennisguse.opentracks.data.models.HeartRate;
import de.dennisguse.opentracks.data.models.Power;
import de.dennisguse.opentracks.data.models.Speed;
import de.dennisguse.opentracks.sensors.sensorData.SensorDataCyclingCadence;
import de.dennisguse.opentracks.sensors.sensorData.SensorDataCyclingCadenceAndDistanceSpeed;
import de.dennisguse.opentracks.sensors.sensorData.SensorDataCyclingDistanceSpeed;
import de.dennisguse.opentracks.sensors.sensorData.SensorDataCyclingPower;
import de.dennisguse.opentracks.sensors.sensorData.SensorDataRunning;
/**
* Utilities for dealing with bluetooth devices.
@@ -52,17 +39,9 @@ public class BluetoothUtils {
new UUID(0x2A1900001000L, 0x800000805f9b34fbL)
);
private static final UUID ENVIRONMENTAL_SENSING_SERVICE = new UUID(0x181A00001000L, 0x800000805f9b34fbL);
public static final ServiceMeasurementUUID BAROMETRIC_PRESSURE = new ServiceMeasurementUUID(
ENVIRONMENTAL_SENSING_SERVICE,
new UUID(0x2A6D00001000L, 0x800000805f9b34fbL)
);
private static final String TAG = BluetoothUtils.class.getSimpleName();
private BluetoothUtils() {
}
public static BluetoothAdapter getAdapter(Context context) {
BluetoothManager bluetoothManager = (BluetoothManager) context.getSystemService(Context.BLUETOOTH_SERVICE);
if (bluetoothManager == null) {
@@ -87,152 +66,4 @@ public class BluetoothUtils {
final int batteryLevel = characteristic.getIntValue(BluetoothGattCharacteristic.FORMAT_UINT8, 0);
return BatteryLevel.of(batteryLevel);
}
public static HeartRate parseHeartRate(BluetoothGattCharacteristic characteristic) {
//DOCUMENTATION https://www.bluetooth.com/wp-content/uploads/Sitecore-Media-Library/Gatt/Xml/Characteristics/org.bluetooth.characteristic.heart_rate_measurement.xml
byte[] raw = characteristic.getValue();
if (raw.length == 0) {
return null;
}
boolean formatUINT16 = ((raw[0] & 0x1) == 1);
if (formatUINT16 && raw.length >= 3) {
return HeartRate.of(characteristic.getIntValue(BluetoothGattCharacteristic.FORMAT_UINT16, 1));
}
if (!formatUINT16 && raw.length >= 2) {
return HeartRate.of(characteristic.getIntValue(BluetoothGattCharacteristic.FORMAT_UINT8, 1));
}
return null;
}
public static AtmosphericPressure parseEnvironmentalSensing(BluetoothGattCharacteristic characteristic) {
byte[] raw = characteristic.getValue();
if (raw.length < 4) {
return null;
}
Integer pressure = characteristic.getIntValue(BluetoothGattCharacteristic.FORMAT_UINT32, 0);
return AtmosphericPressure.ofPA(pressure / 10f);
}
public static SensorDataCyclingPower.Data parseCyclingPower(String address, String sensorName, BluetoothGattCharacteristic characteristic) {
// DOCUMENTATION https://www.bluetooth.com/wp-content/uploads/Sitecore-Media-Library/Gatt/Xml/Characteristics/org.bluetooth.characteristic.cycling_power_measurement.xml
int valueLength = characteristic.getValue().length;
if (valueLength == 0) {
return null;
}
int index = 0;
int flags1 = characteristic.getIntValue(BluetoothGattCharacteristic.FORMAT_UINT8, index++);
int flags2 = characteristic.getIntValue(BluetoothGattCharacteristic.FORMAT_UINT8, index++);
boolean hasPedalPowerBalance = (flags1 & 0x01) > 0;
boolean hasAccumulatedTorque = (flags1 & 0x04) > 0;
boolean hasWheel = (flags1 & 16) > 0;
boolean hasCrank = (flags1 & 32) > 0;
Integer instantaneousPower = characteristic.getIntValue(BluetoothGattCharacteristic.FORMAT_SINT16, index);
index += 2;
if (hasPedalPowerBalance) {
index += 1;
}
if (hasAccumulatedTorque) {
index += 2;
}
if (hasWheel) {
index += 2 + 2;
}
SensorDataCyclingCadence cadence = null;
if (hasCrank && valueLength - index >= 4) {
long crankCount = characteristic.getIntValue(BluetoothGattCharacteristic.FORMAT_UINT16, index);
index += 2;
int crankTime = characteristic.getIntValue(BluetoothGattCharacteristic.FORMAT_UINT16, index); // 1/1024s
cadence = new SensorDataCyclingCadence(address, sensorName, crankCount, crankTime);
}
return new SensorDataCyclingPower.Data(new SensorDataCyclingPower(sensorName, address, Power.of(instantaneousPower)), cadence);
}
public static SensorDataCyclingCadenceAndDistanceSpeed parseCyclingCrankAndWheel(String address, String sensorName, @NonNull BluetoothGattCharacteristic characteristic) {
// DOCUMENTATION https://www.bluetooth.com/wp-content/uploads/Sitecore-Media-Library/Gatt/Xml/Characteristics/org.bluetooth.characteristic.csc_measurement.xml
int valueLength = characteristic.getValue().length;
if (valueLength == 0) {
return null;
}
int flags = characteristic.getValue()[0];
boolean hasWheel = (flags & 0x01) > 0;
boolean hasCrank = (flags & 0x02) > 0;
int index = 1;
SensorDataCyclingDistanceSpeed speed = null;
if (hasWheel && valueLength - index >= 6) {
int wheelTotalRevolutionCount = characteristic.getIntValue(BluetoothGattCharacteristic.FORMAT_UINT32, index);
index += 4;
int wheelTime = characteristic.getIntValue(BluetoothGattCharacteristic.FORMAT_UINT16, index); // 1/1024s
speed = new SensorDataCyclingDistanceSpeed(address, sensorName, wheelTotalRevolutionCount, wheelTime);
index += 2;
}
SensorDataCyclingCadence cadence = null;
if (hasCrank && valueLength - index >= 4) {
long crankCount = characteristic.getIntValue(BluetoothGattCharacteristic.FORMAT_UINT16, index);
index += 2;
int crankTime = characteristic.getIntValue(BluetoothGattCharacteristic.FORMAT_UINT16, index); // 1/1024s
cadence = new SensorDataCyclingCadence(address, sensorName, crankCount, crankTime);
}
return new SensorDataCyclingCadenceAndDistanceSpeed(address, sensorName, cadence, speed);
}
public static SensorDataRunning parseRunningSpeedAndCadence(String address, String sensorName, @NonNull BluetoothGattCharacteristic characteristic) {
// DOCUMENTATION https://www.bluetooth.com/wp-content/uploads/Sitecore-Media-Library/Gatt/Xml/Characteristics/org.bluetooth.characteristic.rsc_measurement.xml
int valueLength = characteristic.getValue().length;
if (valueLength == 0) {
return null;
}
int flags = characteristic.getValue()[0];
boolean hasStrideLength = (flags & 0x01) > 0;
boolean hasTotalDistance = (flags & 0x02) > 0;
boolean hasStatus = (flags & 0x03) > 0; // walking vs running
Speed speed = null;
Cadence cadence = null;
Distance totalDistance = null;
int index = 1;
if (valueLength - index >= 2) {
speed = Speed.of(characteristic.getIntValue(BluetoothGattCharacteristic.FORMAT_UINT16, index) / 256f);
}
index = 3;
if (valueLength - index >= 1) {
cadence = Cadence.of(characteristic.getIntValue(BluetoothGattCharacteristic.FORMAT_UINT8, index));
// Hacky workaround as the Wahoo Tickr X provides cadence in SPM (steps per minute) in violation to the standard.
if (sensorName != null && sensorName.startsWith("TICKR X")) {
cadence = Cadence.of(cadence.getRPM() / 2);
}
}
index = 4;
if (hasStrideLength && valueLength - index >= 2) {
Distance strideDistance = Distance.ofCM(characteristic.getIntValue(BluetoothGattCharacteristic.FORMAT_UINT16, index));
index += 2;
}
if (hasTotalDistance && valueLength - index >= 4) {
totalDistance = Distance.ofDM(characteristic.getIntValue(BluetoothGattCharacteristic.FORMAT_UINT32, index));
}
return new SensorDataRunning(address, sensorName, speed, cadence, totalDistance);
}
}