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Gadgetbridge/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/garmin/messages/CurrentTimeRequestMessage.java
Daniele Gobbetti 7ee82e6afa Garmin protocol: add initial support for FIT messages
note: only weather message definition and data tested so far
also enable weather support for Instinct 2S and vivomove style
also cleanup some unused constants that have been migrated to new enums in GFDIMessage
additionally switch to new local implementation of GarminTimeUtils with needed methods
2024-05-01 23:35:15 +01:00

53 lines
1.9 KiB
Java

package nodomain.freeyourgadget.gadgetbridge.service.devices.garmin.messages;
import java.util.Calendar;
import java.util.TimeZone;
import nodomain.freeyourgadget.gadgetbridge.service.devices.garmin.GarminTimeUtils;
public class CurrentTimeRequestMessage extends GFDIMessage {
private final int referenceID;
private final int messageType;
public CurrentTimeRequestMessage(int messageType, int referenceID) {
this.messageType = messageType;
this.referenceID = referenceID;
this.statusMessage = this.getStatusMessage(messageType);
}
public static CurrentTimeRequestMessage parseIncoming(MessageReader reader, int messageType) {
final int referenceID = reader.readInt();
reader.warnIfLeftover();
return new CurrentTimeRequestMessage(messageType, referenceID);
}
@Override
protected boolean generateOutgoing() {
long now = System.currentTimeMillis();
final TimeZone timeZone = TimeZone.getDefault();
final Calendar calendar = Calendar.getInstance(timeZone);
calendar.setTimeInMillis(now);
int dstOffset = calendar.get(Calendar.DST_OFFSET) / 1000;
int timeZoneOffset = timeZone.getOffset(now) / 1000;
int garminTimestamp = GarminTimeUtils.javaMillisToGarminTimestamp(now);
LOG.info("Processing current time request #{}: time={}, DST={}, ofs={}", referenceID, garminTimestamp, dstOffset, timeZoneOffset);
final MessageWriter writer = new MessageWriter(response);
writer.writeShort(0); // packet size will be filled below
writer.writeShort(GarminMessage.RESPONSE.getId());
writer.writeShort(messageType);
writer.writeByte(Status.ACK.ordinal());
writer.writeInt(referenceID);
writer.writeInt(garminTimestamp);
writer.writeInt(timeZoneOffset);
// TODO: next DST start/end
writer.writeInt(0);
writer.writeInt(0);
return true;
}
}