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Code Releases Wiki Activity

Zepp OS: Attempt to parse raw sensor values

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This commit is contained in:
José Rebelo 2023-07-05 17:47:19 +01:00
parent ef99674eea
commit 708cb0c617
1 changed files with 51 additions and 8 deletions
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59
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/Huami2021Support.java
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@ -150,6 +150,9 @@ public abstract class Huami2021Support extends HuamiSupport implements ZeppOsFil
// send CONTINUE commands
private boolean heartRateRealtimeStarted;
// Keep track of whether the rawSensor is enabled
private boolean rawSensor = false;
// Services
private final ZeppOsServicesService servicesService = new ZeppOsServicesService(this);
private final ZeppOsFileTransferService fileTransferService = new ZeppOsFileTransferService(this);
@ -242,13 +245,7 @@ public abstract class Huami2021Support extends HuamiSupport implements ZeppOsFil
@Override
public void onTestNewFunction() {
try {
final TransactionBuilder builder = performInitialized("test");
//requestMTU(247);
builder.queue(getQueue());
} catch (final Exception e) {
LOG.error("Failed to test new function", e);
}
setRawSensor(!rawSensor);
}
@Override
@ -977,6 +974,8 @@ public abstract class Huami2021Support extends HuamiSupport implements ZeppOsFil
@Override
protected void setRawSensor(final boolean enable) {
LOG.info("Set raw sensor to {}", enable);
rawSensor = enable;
try {
final TransactionBuilder builder = performInitialized("set raw sensor");
if (enable) {
@ -995,7 +994,51 @@ public abstract class Huami2021Support extends HuamiSupport implements ZeppOsFil
@Override
protected void handleRawSensorData(final byte[] value) {
LOG.debug("Raw sensor: {}", GB.hexdump(value));
// The g values seem to vary between -4100 and 4100, so we scale them
final float scaleFactor = 4100f;
final float gravity = -9.81f;
final ByteBuffer buf = ByteBuffer.wrap(value).order(ByteOrder.LITTLE_ENDIAN);
final byte type = buf.get();
final int index = buf.get() & 0xff; // always incrementing, for each type
if (type == 0x00) {
// g-sensor x y z values, per second
if ((value.length - 2) % 6 != 0) {
LOG.warn("Raw sensor value for type 0 not divisible by 6");
return;
}
for (int i = 2; i < value.length; i += 6) {
final int x = (BLETypeConversions.toUint16(value, i) << 16) >> 16;
final int y = (BLETypeConversions.toUint16(value, i + 2) << 16) >> 16;
final int z = (BLETypeConversions.toUint16(value, i + 4) << 16) >> 16;
final float gx = (x * gravity) / scaleFactor;
final float gy = (y * gravity) / scaleFactor;
final float gz = (z * gravity) / scaleFactor;
LOG.info("Raw sensor g: x={} y={} z={}", gx, gy, gz);
}
} else if (type == 0x01) {
// TODO not sure what this is?
if ((value.length - 2) % 4 != 0) {
LOG.warn("Raw sensor value for type 1 not divisible by 4");
return;
}
for (int i = 2; i < value.length; i += 4) {
int val = BLETypeConversions.toUint32(value, i);
LOG.info("Raw sensor 1: {}", val);
}
} else if (type == 0x07) {
// Timestamp for the targetType, sent in intervals of ~10 seconds
final int targetType = buf.get() & 0xff;
final long tsMillis = buf.getLong();
LOG.debug("Raw sensor timestamp for type={} index={}: {}", targetType, index, new Date(tsMillis));
} else {
LOG.warn("Unknown raw sensor type: {}", GB.hexdump(value));
}
}
@Override