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Mi Band 2: Add rudimentary raw sensor data support

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Note that this is extremely hacky (and does not really work all that great)
and some more investigation into the mechanism/flags is needed.
This commit is contained in:
Josef Gajdusek 2017-11-22 18:48:34 +01:00
parent 36e50bddb0
commit 4b5810a1a0
2 changed files with 23 additions and 3 deletions
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4
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/miband/MiBand2Service.java
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@ -35,8 +35,8 @@ public class MiBand2Service {
public static final UUID UUID_CHARACTERISTIC_FIRMWARE_DATA = UUID.fromString("00001532-0000-3512-2118-0009af100700"); public static final UUID UUID_CHARACTERISTIC_FIRMWARE_DATA = UUID.fromString("00001532-0000-3512-2118-0009af100700");
public static final UUID UUID_UNKNOWN_CHARACTERISTIC0 = UUID.fromString("00000000-0000-3512-2118-0009af100700"); public static final UUID UUID_UNKNOWN_CHARACTERISTIC0 = UUID.fromString("00000000-0000-3512-2118-0009af100700");
public static final UUID UUID_UNKNOWN_CHARACTERISTIC1 = UUID.fromString("00000001-0000-3512-2118-0009af100700"); public static final UUID UUID_CHARACTERISTIC_1_SENSOR_CONTROL = UUID.fromString("00000001-0000-3512-2118-0009af100700");
public static final UUID UUID_UNKNOWN_CHARACTERISTIC2 = UUID.fromString("00000002-0000-3512-2118-0009af100700"); public static final UUID UUID_CHARACTERISTIC_2_SENSOR_DATA = UUID.fromString("00000002-0000-3512-2118-0009af100700");
/** /**
* Alarms, Display and other configuration. * Alarms, Display and other configuration.
*/ */

22
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/miband2/MiBand2Support.java
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@ -154,12 +154,17 @@ public class MiBand2Support extends AbstractBTLEDeviceSupport {
private boolean needsAuth; private boolean needsAuth;
private volatile boolean telephoneRinging; private volatile boolean telephoneRinging;
private volatile boolean isLocatingDevice; private volatile boolean isLocatingDevice;
private volatile boolean isReadingSensorData;
private final GBDeviceEventVersionInfo versionCmd = new GBDeviceEventVersionInfo(); private final GBDeviceEventVersionInfo versionCmd = new GBDeviceEventVersionInfo();
private final GBDeviceEventBatteryInfo batteryCmd = new GBDeviceEventBatteryInfo(); private final GBDeviceEventBatteryInfo batteryCmd = new GBDeviceEventBatteryInfo();
private RealtimeSamplesSupport realtimeSamplesSupport; private RealtimeSamplesSupport realtimeSamplesSupport;
private boolean alarmClockRinging; private boolean alarmClockRinging;
private static final byte[] startSensorRead1 = new byte[]{0x01, 0x01, 0x19};
private static final byte[] startSensorRead2 = new byte[]{0x02};
private static final byte[] stopSensorRead = new byte[]{0x03};
public MiBand2Support() { public MiBand2Support() {
this(LOG); this(LOG);
} }
@ -271,6 +276,7 @@ public class MiBand2Support extends AbstractBTLEDeviceSupport {
builder.notify(getCharacteristic(MiBand2Service.UUID_CHARACTERISTIC_3_CONFIGURATION), enable); builder.notify(getCharacteristic(MiBand2Service.UUID_CHARACTERISTIC_3_CONFIGURATION), enable);
builder.notify(getCharacteristic(MiBand2Service.UUID_CHARACTERISTIC_6_BATTERY_INFO), enable); builder.notify(getCharacteristic(MiBand2Service.UUID_CHARACTERISTIC_6_BATTERY_INFO), enable);
builder.notify(getCharacteristic(MiBand2Service.UUID_CHARACTERISTIC_DEVICEEVENT), enable); builder.notify(getCharacteristic(MiBand2Service.UUID_CHARACTERISTIC_DEVICEEVENT), enable);
builder.notify(getCharacteristic(MiBand2Service.UUID_CHARACTERISTIC_2_SENSOR_DATA), enable);
return this; return this;
} }
@ -1037,6 +1043,9 @@ public class MiBand2Support extends AbstractBTLEDeviceSupport {
} else if (MiBand2Service.UUID_CHARACTERISTIC_7_REALTIME_STEPS.equals(characteristicUUID)) { } else if (MiBand2Service.UUID_CHARACTERISTIC_7_REALTIME_STEPS.equals(characteristicUUID)) {
handleRealtimeSteps(characteristic.getValue()); handleRealtimeSteps(characteristic.getValue());
return true; return true;
} else if (MiBand2Service.UUID_CHARACTERISTIC_2_SENSOR_DATA.equals(characteristicUUID)) {
handleSensorData(characteristic.getValue());
return true;
} else { } else {
LOG.info("Unhandled characteristic changed: " + characteristicUUID); LOG.info("Unhandled characteristic changed: " + characteristicUUID);
logMessageContent(characteristic.getValue()); logMessageContent(characteristic.getValue());
@ -1131,6 +1140,10 @@ public class MiBand2Support extends AbstractBTLEDeviceSupport {
} }
} }
private void handleSensorData(byte[] value) {
// See logcat for raw data output
}
private void enableRealtimeSamplesTimer(boolean enable) { private void enableRealtimeSamplesTimer(boolean enable) {
if (enable) { if (enable) {
getRealtimeSamplesSupport().start(); getRealtimeSamplesSupport().start();
@ -1350,9 +1363,16 @@ public class MiBand2Support extends AbstractBTLEDeviceSupport {
public void onTestNewFunction() { public void onTestNewFunction() {
try { try {
TransactionBuilder builder = performInitialized("test realtime steps"); TransactionBuilder builder = performInitialized("test realtime steps");
builder.read(getCharacteristic(MiBand2Service.UUID_CHARACTERISTIC_7_REALTIME_STEPS)); if (isReadingSensorData) {
builder.write(getCharacteristic(MiBand2Service.UUID_CHARACTERISTIC_1_SENSOR_CONTROL), stopSensorRead);
} else {
builder.write(getCharacteristic(MiBand2Service.UUID_CHARACTERISTIC_1_SENSOR_CONTROL), startSensorRead1);
builder.write(getCharacteristic(MiBand2Service.UUID_CHARACTERISTIC_1_SENSOR_CONTROL), startSensorRead2);
}
builder.queue(getQueue()); builder.queue(getQueue());
isReadingSensorData = !isReadingSensorData;
} catch (IOException e) { } catch (IOException e) {
LOG.error("Unable to toggle sensor reading MI2", e);
} }
} }