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Ingesting the activity data the right way, but they are still being thrown away afterwards.

This commit is contained in:
Daniele Gobbetti 2015-05-24 19:09:14 +02:00 committed by cpfeiffer
parent 92caed5af4
commit e4076dc725
1 changed files with 71 additions and 42 deletions
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113
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/miband/MiBandSupport.java
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@ -16,6 +16,7 @@ import java.util.GregorianCalendar;
import java.util.UUID;
import java.text.DateFormat;
import java.nio.ByteBuffer;
import nodomain.freeyourgadget.gadgetbridge.GBCommand;
import nodomain.freeyourgadget.gadgetbridge.GBDevice.State;
@ -45,6 +46,9 @@ public class MiBandSupport extends AbstractBTLEDeviceSupport {
private static final Logger LOG = LoggerFactory.getLogger(MiBandSupport.class);
private ByteBuffer activityDataHolder = null;
public MiBandSupport() {
addSupportedService(MiBandService.UUID_SERVICE_MIBAND_SERVICE);
}
@ -360,7 +364,7 @@ public class MiBandSupport extends AbstractBTLEDeviceSupport {
UUID characteristicUUID = characteristic.getUuid();
if (MiBandService.UUID_CHARACTERISTIC_ACTIVITY_DATA.equals(characteristicUUID)) {
handleActivityData(characteristic.getValue(), BluetoothGatt.GATT_SUCCESS);
handleActivityNotif(characteristic.getValue());
}
}
@ -374,8 +378,6 @@ public class MiBandSupport extends AbstractBTLEDeviceSupport {
handleDeviceInfo(characteristic.getValue(), status);
} else if (MiBandService.UUID_CHARACTERISTIC_BATTERY.equals(characteristicUUID)) {
handleBatteryInfo(characteristic.getValue(), status);
} else if (MiBandService.UUID_CHARACTERISTIC_ACTIVITY_DATA.equals(characteristicUUID)) {
handleActivityData(characteristic.getValue(), status);
}
}
@ -400,54 +402,82 @@ public class MiBandSupport extends AbstractBTLEDeviceSupport {
}
}
private void handleActivityData(byte[] value, int status) {
if (status == BluetoothGatt.GATT_SUCCESS) {
for (byte b: value){
LOG.info("2GOT DATA:" + String.format("0x%6x", b));
}
if ( value.length == 11 ) {
//I know what to do:
// byte 0 is the data type
int dataType = value[0];
// byte 1 to 6 represent a timestamp
GregorianCalendar timestamp = new GregorianCalendar(value[1]+2000,
private void handleActivityNotif(byte[] value) {
LOG.info("NOTIF GOT " + value.length + " BYTES.");
if (this.activityDataHolder == null && value.length == 11 ) {
//I know what to do:
// byte 0 is the data type
int dataType = value[0];
// byte 1 to 6 represent a timestamp
GregorianCalendar timestamp = new GregorianCalendar(value[1]+2000,
value[2],
value[3],
value[4],
value[5],
value[6]);
// no idea about the following two bytes
int i = value[7] & 0xff;
int j = value[8] & 0xff;
// but combined they tell us how to proceed:
int k = i | (j << 8);
if (dataType == 1) {
k *= 3;
}
int totalDataToRead = k;
// no idea about the following two bytes
int i = value[7] & 0xff;
int j = value[8] & 0xff;
// but combined they tell us how to proceed:
int k = i | (j << 8);
if (dataType == 1) {
k *= 3;
}
int totalDataToRead = k;
// no idea about the following two bytes
int l = value[9] & 0xff ;
int i1 = value[10] & 0xff;
// no idea about the following two bytes
int i1 = value[9] & 0xff ;
int j1 = value[10] & 0xff;
int j1 = l | (i1 << 8);
// but combined they tell us how to proceed:
int k1 = i1 | (j1 << 8);
if (dataType == 1) {
k1 *= 3;
}
int dataUntilNextHeader = k1;
int k1;
if (dataType == 1)
{
k1 = j1 * 3;
} else
{
k1 = j1;
}
LOG.info("totaldatatoread: "+ totalDataToRead +" len: " + (k1 / 3) + " minute(s)");
// there is a total of totalDataToRead that will come in (3 bytes per minute),
// however, after dataUntilNextHeader bytes we will get a new packet of 11 bytes that should be parsed
// as we just did
LOG.info("TIMESTAMP: " + DateFormat.getDateTimeInstance().format(timestamp.getTime()).toString() + " magic byte: " + j1);
//sendAckDataTransfer(timestamp, j1);
sendAckDataTransfer(timestamp, 0);
}
LOG.info("total data to read: "+ totalDataToRead +" len: " + (totalDataToRead / 3) + " minute(s)");
LOG.info("data to read until next header: "+ dataUntilNextHeader +" len: " + (dataUntilNextHeader / 3) + " minute(s)");
LOG.info("RAW DATA: i="+ i +" j="+ j +" k="+ k +" i1="+ i1 +" j1="+ j1 +" k1="+ k1 +"");
LOG.info("TIMESTAMP: " + DateFormat.getDateTimeInstance().format(timestamp.getTime()).toString() + " magic byte: " + dataUntilNextHeader);
if (createActivityDataHolder(dataUntilNextHeader)) {
sendAckDataTransfer(timestamp, dataUntilNextHeader);
}
} else {
for (byte b: value){
this.activityDataHolder.put(b);
}
LOG.info("Buffer remaining bytes: " + this.activityDataHolder.remaining());
if (remainingBytes == 0) {
consumeActivityDataHolder();
}
}
}
private boolean createActivityDataHolder(int size) {
if(this.activityDataHolder == null) {
this.activityDataHolder = ByteBuffer.allocate(size);
return true;
}
return false;
}
private void consumeActivityDataHolder() {
int currentSize = this.activityDataHolder.capacity();
this.activityDataHolder.rewind();
/*
intensity = byte1;
steps = byte2;
category = byte0;
*/
for ( int i = 0 ; i < currentSize; i+=3 ) {
LOG.info("index: "+i/3+" category:"+this.activityDataHolder.get()+" intensity:"+this.activityDataHolder.get()+" steps:"+this.activityDataHolder.get());
}
this.activityDataHolder = null;
}
private void handleControlPointResult(byte[] value, int status) {
@ -455,7 +485,6 @@ public class MiBandSupport extends AbstractBTLEDeviceSupport {
for (byte b: value){
LOG.info("3GOT DATA:" + String.format("0x%20x", b));
}
handleActivityData(value, status);
} else {
LOG.info("BOOOOOOOOO");
}