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igpsport: craft file data method

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* used to send route plan, firmware, agps, language pack
This commit is contained in:
Vitaliy Tomin
2026-05-13 23:33:24 +02:00
committed by José Rebelo
parent 5964ec9219
commit 0e55221684
1 changed files with 25 additions and 0 deletions
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app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/igpsport/IGPSportDeviceSupport.java
+25
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@@ -262,6 +262,31 @@ public class IGPSportDeviceSupport extends AbstractBTLEDeviceSupport {
return result;
}
public static byte[] craftFileData(int mainService, int secondService, int command, byte[] data, byte[] fileData) {
// 0115ffaa03ffff00000001ffffffffffffffff57 0000001f 08151003180220c71628e6ea44320b7465737420616b6164656d3a03636e78 efbbbf3c3f786d6c2076657273696f6e3d22312e302220656e...
byte[] result = new byte[IGPSportConstants.DATA_TEMPLATE.length + data.length + 4 + fileData.length];
System.arraycopy(IGPSportConstants.DATA_TEMPLATE, 0, result, 0, IGPSportConstants.DATA_TEMPLATE.length);
result[1] = (byte) mainService;
result[2] = (byte) secondService;
result[3] = (byte) 0xaa;
result[4] = (byte) command;
result[7] = (byte) 0x00;
result[8] = (byte) 0x00;
result[9] = (byte) 0x00;
byte[] header = Arrays.copyOfRange(result, 0, 19);
result[19] = (byte)CheckSums.getCRC8(header);
ByteBuffer buf = ByteBuffer.wrap(result, 20,4);
buf.putInt(fileData.length);
System.arraycopy(data, 0, result, 24, data.length);
System.arraycopy(fileData, 0, result, 24+data.length, fileData.length);
//debug
LOG.info(GB.hexdump(result), "crafted fileData packet");
return result;
}
@Override
public void onNotification(NotificationSpec notificationSpec) {
LOG.debug("iGPSport notification: " + notificationSpec.type);