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Centralize the calendar conversion to/from byte array.

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This commit is contained in:
Daniele Gobbetti 2015-08-27 13:12:09 +02:00
parent 7923e153e6
commit 677e0808bf
4 changed files with 64 additions and 28 deletions
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37
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/miband/MiBandCoordinator.java
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@ -11,6 +11,7 @@ import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.util.Calendar;
import java.util.GregorianCalendar;
import nodomain.freeyourgadget.gadgetbridge.devices.DeviceCoordinator;
import nodomain.freeyourgadget.gadgetbridge.devices.InstallHandler;
@ -130,4 +131,40 @@ public class MiBandCoordinator implements DeviceCoordinator {
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(GBApplication.getContext());
return Integer.parseInt(prefs.getString(MiBandConst.PREF_MIBAND_FITNESS_GOAL, "10000"));
}
/**
* uses the standard algorithm to convert bytes received from the MiBand to a Calendar object
* @param value
* @return
*/
public static GregorianCalendar rawBytesToCalendar(byte[] value) {
GregorianCalendar timestamp = new GregorianCalendar();
if (value.length == 6) {
timestamp.set(Calendar.YEAR, (2000 + value[0]));
timestamp.set(Calendar.MONTH, value[1]);
timestamp.set(Calendar.DATE, value[2]);
timestamp.set(Calendar.HOUR_OF_DAY, value[3]);
timestamp.set(Calendar.MINUTE, value[4]);
timestamp.set(Calendar.SECOND, value[5]);
}
return timestamp;
}
/**
* uses the standard algorithm to convert a Calendar object to a byte array to send to MiBand
* @param timestamp
* @return
*/
public static byte[] calendarToRawBytes(Calendar timestamp) {
return new byte[]{
(byte) (timestamp.get(Calendar.YEAR) - 2000),
(byte) timestamp.get(Calendar.MONTH),
(byte) timestamp.get(Calendar.DATE),
(byte) timestamp.get(Calendar.HOUR_OF_DAY),
(byte) timestamp.get(Calendar.MINUTE),
(byte) timestamp.get(Calendar.SECOND)
};
}
}

11
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/miband/BatteryInfo.java
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@ -1,8 +1,8 @@
package nodomain.freeyourgadget.gadgetbridge.service.devices.miband;
import java.util.Calendar;
import java.util.GregorianCalendar;
import nodomain.freeyourgadget.gadgetbridge.devices.miband.MiBandCoordinator;
import nodomain.freeyourgadget.gadgetbridge.model.BatteryState;
public class BatteryInfo extends AbstractInfo {
@ -46,12 +46,9 @@ public class BatteryInfo extends AbstractInfo {
GregorianCalendar lastCharge = new GregorianCalendar();
if (mData.length >= 10) {
lastCharge.set(Calendar.YEAR, (2000 + mData[1]));
lastCharge.set(Calendar.MONTH, mData[2]);
lastCharge.set(Calendar.DATE, mData[3]);
lastCharge.set(Calendar.HOUR_OF_DAY, mData[4]);
lastCharge.set(Calendar.MINUTE, mData[5]);
lastCharge.set(Calendar.SECOND, mData[6]);
lastCharge = MiBandCoordinator.rawBytesToCalendar(new byte[]{
mData[1], mData[2], mData[3], mData[4], mData[5], mData[6]
});
}
return lastCharge;

30
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/miband/MiBandSupport.java
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@ -13,7 +13,6 @@ import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.UUID;
@ -429,14 +428,14 @@ public class MiBandSupport extends AbstractBTLEDeviceSupport {
* @param builder
*/
private MiBandSupport setCurrentTime(TransactionBuilder builder) {
Calendar now = GregorianCalendar.getInstance();
byte[] nowBytes = MiBandCoordinator.calendarToRawBytes(GregorianCalendar.getInstance());
byte[] time = new byte[]{
(byte) (now.get(Calendar.YEAR) - 2000),
(byte) now.get(Calendar.MONTH),
(byte) now.get(Calendar.DATE),
(byte) now.get(Calendar.HOUR_OF_DAY),
(byte) now.get(Calendar.MINUTE),
(byte) now.get(Calendar.SECOND),
nowBytes[0],
nowBytes[1],
nowBytes[2],
nowBytes[3],
nowBytes[4],
nowBytes[5],
(byte) 0x0f,
(byte) 0x0f,
(byte) 0x0f,
@ -685,17 +684,18 @@ public class MiBandSupport extends AbstractBTLEDeviceSupport {
* @param characteristic
*/
private void queueAlarm(Alarm alarm, TransactionBuilder builder, BluetoothGattCharacteristic characteristic) {
Calendar alarmCal = alarm.getAlarmCal();
byte[] alarmCalBytes = MiBandCoordinator.calendarToRawBytes(alarm.getAlarmCal());
byte[] alarmMessage = new byte[]{
(byte) MiBandService.COMMAND_SET_TIMER,
(byte) alarm.getIndex(),
(byte) (alarm.isEnabled() ? 1 : 0),
(byte) (alarmCal.get(Calendar.YEAR) - 2000),
(byte) alarmCal.get(Calendar.MONTH),
(byte) alarmCal.get(Calendar.DATE),
(byte) alarmCal.get(Calendar.HOUR_OF_DAY),
(byte) alarmCal.get(Calendar.MINUTE),
(byte) alarmCal.get(Calendar.SECOND),
alarmCalBytes[0],
alarmCalBytes[1],
alarmCalBytes[2],
alarmCalBytes[3],
alarmCalBytes[4],
alarmCalBytes[5],
(byte) (alarm.isSmartWakeup() ? 30 : 0),
(byte) alarm.getRepetitionMask()
};

14
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/miband/operations/FetchActivityOperation.java
View File

@ -19,6 +19,7 @@ import nodomain.freeyourgadget.gadgetbridge.GBApplication;
import nodomain.freeyourgadget.gadgetbridge.R;
import nodomain.freeyourgadget.gadgetbridge.database.DBHandler;
import nodomain.freeyourgadget.gadgetbridge.devices.SampleProvider;
import nodomain.freeyourgadget.gadgetbridge.devices.miband.MiBandCoordinator;
import nodomain.freeyourgadget.gadgetbridge.devices.miband.MiBandService;
import nodomain.freeyourgadget.gadgetbridge.service.btle.AbstractBTLEOperation;
import nodomain.freeyourgadget.gadgetbridge.service.btle.TransactionBuilder;
@ -224,14 +225,15 @@ public class FetchActivityOperation extends AbstractBTLEOperation<MiBandSupport>
* @param bytesTransferred
*/
private void sendAckDataTransfer(Calendar time, int bytesTransferred) {
byte[] ackTime = MiBandCoordinator.calendarToRawBytes(time);
byte[] ack = new byte[]{
MiBandService.COMMAND_CONFIRM_ACTIVITY_DATA_TRANSFER_COMPLETE,
(byte) (time.get(Calendar.YEAR) - 2000),
(byte) time.get(Calendar.MONTH),
(byte) time.get(Calendar.DATE),
(byte) time.get(Calendar.HOUR_OF_DAY),
(byte) time.get(Calendar.MINUTE),
(byte) time.get(Calendar.SECOND),
ackTime[0],
ackTime[1],
ackTime[2],
ackTime[3],
ackTime[4],
ackTime[5],
(byte) (bytesTransferred & 0xff),
(byte) (0xff & (bytesTransferred >> 8))
};