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Fix a pointer aliasing issue, add some constants, remove invalid "checkpointing"

This commit is contained in:
cpfeiffer 2015-07-20 21:41:18 +02:00
parent d967411d70
commit 5d121e6e8f
1 changed files with 30 additions and 23 deletions
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53
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/miband/MiBandSupport.java
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@ -59,6 +59,16 @@ public class MiBandSupport extends AbstractBTLEDeviceSupport {
private static final Logger LOG = LoggerFactory.getLogger(MiBandSupport.class);
public static final int MODE_CHARGING = 6;
public static final int MODE_NONWEAR = 3;
public static final int MODE_NREM = 5;
public static final int MODE_ONBED = 7;
public static final int MODE_REM = 4;
public static final int MODE_RUNNING = 2;
public static final int MODE_SLIENT = 0;
public static final int MODE_USER = 100;
public static final int MODE_WALKING = 1;
//temporary buffer, size is a multiple of 60 because we want to store complete minutes (1 minute = 3 bytes)
private static final int activityDataHolderSize = 3 * 60 * 4; // 8h
private byte[] activityDataHolder = new byte[activityDataHolderSize];
@ -75,7 +85,6 @@ public class MiBandSupport extends AbstractBTLEDeviceSupport {
private volatile boolean telephoneRinging;
private volatile boolean isLocatingDevice;
public MiBandSupport() {
addSupportedService(MiBandService.UUID_SERVICE_MIBAND_SERVICE);
}
@ -478,6 +487,7 @@ public class MiBandSupport extends AbstractBTLEDeviceSupport {
public void onFetchActivityData() {
try {
TransactionBuilder builder = performInitialized("fetch activity data");
// builder.write(getCharacteristic(MiBandService.UUID_CHARACTERISTIC_LE_PARAMS), getLowLatency());
builder.add(new SetDeviceBusyAction(getDevice(), getContext().getString(R.string.busy_task_fetch_activity_data), getContext()));
builder.write(getCharacteristic(MiBandService.UUID_CHARACTERISTIC_CONTROL_POINT), fetch);
builder.queue(getQueue());
@ -565,7 +575,6 @@ public class MiBandSupport extends AbstractBTLEDeviceSupport {
}
}
private void queueAlarm(GBAlarm alarm, TransactionBuilder builder, BluetoothGattCharacteristic characteristic) {
Calendar alarmCal = alarm.getAlarmCal();
byte[] alarmMessage = new byte[]{
@ -611,11 +620,14 @@ public class MiBandSupport extends AbstractBTLEDeviceSupport {
LOG.info("TIMESTAMP: " + DateFormat.getDateTimeInstance().format(timestamp.getTime()).toString() + " magic byte: " + dataUntilNextHeader);
this.activityDataRemainingBytes = this.activityDataUntilNextHeader = dataUntilNextHeader;
this.activityDataTimestampProgress = this.activityDataTimestampToAck = timestamp;
this.activityDataTimestampToAck = (GregorianCalendar) timestamp.clone();
this.activityDataTimestampProgress = timestamp;
} else {
bufferActivityData(value);
}
LOG.debug("activity data: length: " + value.length + ", remaining bytes: " + activityDataRemainingBytes);
if (this.activityDataRemainingBytes == 0) {
sendAckDataTransfer(this.activityDataTimestampToAck, this.activityDataUntilNextHeader);
flushActivityDataHolder();
@ -658,7 +670,6 @@ public class MiBandSupport extends AbstractBTLEDeviceSupport {
}
private void flushActivityDataHolder() {
GregorianCalendar timestamp = this.activityDataTimestampProgress;
byte category, intensity, steps;
ActivityDatabaseHandler dbHandler = GBApplication.getActivityDatabaseHandler();
@ -669,16 +680,15 @@ public class MiBandSupport extends AbstractBTLEDeviceSupport {
steps = this.activityDataHolder[i + 2];
dbHandler.addGBActivitySample(
(int) (timestamp.getTimeInMillis() / 1000),
(int) (activityDataTimestampProgress.getTimeInMillis() / 1000),
GBActivitySample.PROVIDER_MIBAND,
intensity,
steps,
category);
timestamp.add(Calendar.MINUTE, 1);
activityDataTimestampProgress.add(Calendar.MINUTE, 1);
}
} finally {
this.activityDataHolderProgress = 0;
this.activityDataTimestampProgress = timestamp;
}
}
@ -689,8 +699,8 @@ public class MiBandSupport extends AbstractBTLEDeviceSupport {
LOG.info("handleControlPoint got status:" + status);
if (getDevice().isBusy()) {
if (value != null && value.length == 9 && value[0] == 0xa) {
handleActivityCheckpoint(value);
if (isActivityDataSyncFinished(value)) {
unsetBusy();
}
}
if (value != null) {
@ -702,20 +712,17 @@ public class MiBandSupport extends AbstractBTLEDeviceSupport {
}
}
// I have no idea if this is anything we could or should do.
// For some reason, I got these bytes on the control point characteristic
// while in the middle of a activity data transfer:
// { 0xa, 0xf, 0x6, 0x5, 0x14, 0xe, 0x15, 0x70, 0x8 }
// 'a' = activity, then timestamp, then bytes to read
// After this, the communication stops. And this happened again and again
// so that I couldn't transfer the remaning data anymore.
// My idea was that this might be some kind of checkpointing, asking for an ACK
// of the transfer till now.
// Commented out for now until it can be reproduced and tested again.
private void handleActivityCheckpoint(byte[] value) {
GregorianCalendar timestamp = parseTimestamp(value, 1);
sendAckDataTransfer(timestamp, activityDataHolderProgress);
flushActivityDataHolder();
private boolean isActivityDataSyncFinished(byte[] value) {
// byte 0 is the kind of message
// byte 1 to 6 represent a timestamp
// byte 7 to 8 represent the amount of data left (0 = done)
LOG.info("finished?: " + GB.hexdump(value, 0, -1));
if (value.length == 9) {
if (value[0] == 0xa && value[7] == 0 && value[8] == 0) {
return true;
}
}
return false;
}
private void unsetBusy() {