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Gadgetbridge
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Read alarms from device on connect and when changed on device 

TODO:
- support decryption for mi band 6
- reassamble chunks for low MTU
This commit is contained in:
Andreas Shimokawa 2022-01-20 10:09:23 +01:00
parent 3b95e4ea66
commit 47f7f22df4
3 changed files with 52 additions and 11 deletions
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2
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/huami/HuamiService.java
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@ -164,6 +164,8 @@ public class HuamiService {
public static final byte[] COMMAND_DISABLE_DISCONNECT_NOTIFCATION = new byte[]{ENDPOINT_DISPLAY, 0x0c, 0x00, 0x00, 0, 0, 0, 0};
public static final byte[] COMMAND_REQUEST_ALARMS = new byte[]{0x0d};
public static final byte[] COMMAND_REQUEST_ALARMS_WITH_TIMES = new byte[]{(byte) 0xff,0x01,0x00,0x00,0x00};
public static final byte[] COMMAND_REQUEST_GPS_VERSION = new byte[]{0x0e};
// The third byte controls the threshold, in minutes

1
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/HuamiDeviceEvent.java
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@ -31,5 +31,6 @@ public class HuamiDeviceEvent {
public static final byte TICK_30MIN = 0x0e; // unsure
public static final byte FIND_PHONE_STOP = 0x0f;
public static final byte MTU_REQUEST = 0x16;
public static final byte ALARM_CHANGED = 0x1a;
public static final byte MUSIC_CONTROL = (byte) 0xfe;
}

60
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/HuamiSupport.java
View File

@ -1473,7 +1473,8 @@ public class HuamiSupport extends AbstractBTLEDeviceSupport {
processDeviceEvent(HuamiDeviceEvent.START_NONWEAR);
break;
case HuamiDeviceEvent.ALARM_TOGGLED:
LOG.info("An alarm was toggled");
case HuamiDeviceEvent.ALARM_CHANGED:
LOG.info("An alarm was toggled or changed");
TransactionBuilder builder = new TransactionBuilder("requestAlarms");
requestAlarms(builder);
builder.queue(getQueue());
@ -1810,40 +1811,75 @@ public class HuamiSupport extends AbstractBTLEDeviceSupport {
gbDevice.setFirmwareVersion2(gpsVersion);
} else if (value[1] == 0x0d) {
LOG.info("got alarms from watch");
decodeAndUpdateAlarmStatus(value);
decodeAndUpdateAlarmStatus(value, false);
} else {
LOG.warn("got configuration info we do not handle yet " + GB.hexdump(value, 3, -1));
}
} else if (value[0] == ((byte) 0x80) && value[1] == 0x01 && value[2] == (byte) 0xc0 && value[3] == 0x00 &&
value[4] == 0x01 && value[5] == 0x00 && value[6] == 0x00 && value[7] == 0x00 && value[8] == 0x01) {
LOG.info("got full alarm configuration."); // TODO: with low mtu they come in chunks
byte[] alarmData = new byte[value.length - 9];
System.arraycopy(value, 9, alarmData, 0, alarmData.length);
decodeAndUpdateAlarmStatus(alarmData, true);
} else {
LOG.warn("error received from configuration request " + GB.hexdump(value, 0, -1));
LOG.warn("unknown response got from configuration request " + GB.hexdump(value, 0, -1));
}
}
private void decodeAndUpdateAlarmStatus(byte[] response) {
private void decodeAndUpdateAlarmStatus(byte[] response, boolean withTimes) {
List<nodomain.freeyourgadget.gadgetbridge.entities.Alarm> alarms = DBHelper.getAlarms(gbDevice);
int maxAlarms = 10;
//FIXME: we can rather have a full struct here probably
boolean[] alarmsInUse = new boolean[maxAlarms];
boolean[] alarmsEnabled = new boolean[maxAlarms];
int nr_alarms = response[8];
byte[] alarmsMinute = new byte[maxAlarms];
byte[] alarmsHour = new byte[maxAlarms];
byte[] alarmsRepeat = new byte[maxAlarms];
int nr_alarms;
byte enable_flag;
if (withTimes) {
nr_alarms = response.length / 4;
enable_flag = (byte) 0x80;
} else {
nr_alarms = response[8];
enable_flag = (byte) 0x10;
}
for (int i = 0; i < nr_alarms; i++) {
byte alarm_data = response[9 + i];
int offset;
if (withTimes) {
offset = i * 4;
alarmsHour[i] = response[offset + 1];
alarmsMinute[i] = response[offset + 2];
alarmsRepeat[i] = response[offset + 3];
} else {
offset = 9 + i;
}
byte alarm_data = response[offset];
int index = alarm_data & 0xf;
if (index >= maxAlarms) {
GB.toast("Unexpected alarm index from device, ignoring: " + index, Toast.LENGTH_SHORT, GB.ERROR);
return;
}
alarmsInUse[index] = true;
boolean enabled = (alarm_data & 0x10) == 0x10;
boolean enabled = (alarm_data & enable_flag) == enable_flag;
alarmsEnabled[index] = enabled;
LOG.info("alarm " + index + " is enabled:" + enabled);
}
for (nodomain.freeyourgadget.gadgetbridge.entities.Alarm alarm : alarms) {
boolean enabled = alarmsEnabled[alarm.getPosition()];
boolean unused = !alarmsInUse[alarm.getPosition()];
int pos = alarm.getPosition();
boolean enabled = alarmsEnabled[pos];
boolean unused = !alarmsInUse[pos];
if (alarm.getEnabled() != enabled || alarm.getUnused() != unused) {
LOG.info("updating alarm index " + alarm.getPosition() + " unused=" + unused + ", enabled=" + enabled);
LOG.info("updating alarm index " + pos + " unused=" + unused + ", enabled=" + enabled);
alarm.setEnabled(enabled);
alarm.setUnused(unused);
if (withTimes) {
alarm.setHour(alarmsHour[pos]);
alarm.setMinute(alarmsMinute[pos]);
alarm.setRepetition(alarmsRepeat[pos]);
}
DBHelper.store(alarm);
Intent intent = new Intent(DeviceService.ACTION_SAVE_ALARMS);
LocalBroadcastManager.getInstance(getContext()).sendBroadcast(intent);
@ -3140,7 +3176,9 @@ public class HuamiSupport extends AbstractBTLEDeviceSupport {
private HuamiSupport requestAlarms(TransactionBuilder builder) {
LOG.info("Requesting alarms");
writeToConfiguration(builder, HuamiService.COMMAND_REQUEST_ALARMS);
//FIXME: on older devices only the first one works, and on newer only the last is sufficiant
writeToConfiguration(builder, HuamiService.COMMAND_REQUEST_ALARMS);
writeToConfiguration(builder, HuamiService.COMMAND_REQUEST_ALARMS_WITH_TIMES);
return this;
}