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Mi Band 8: Add MTU warn on sendCommand

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This commit is contained in:
José Rebelo 2023-10-08 17:28:13 +01:00
parent a9b481d72d
commit f56a4b9f0c
1 changed files with 6 additions and 1 deletions
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7
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/xiaomi/XiaomiSupport.java
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@ -513,7 +513,12 @@ public class XiaomiSupport extends AbstractBTLEDeviceSupport {
public void sendCommand(final TransactionBuilder builder, final XiaomiProto.Command command) { public void sendCommand(final TransactionBuilder builder, final XiaomiProto.Command command) {
final byte[] commandBytes = command.toByteArray(); final byte[] commandBytes = command.toByteArray();
final byte[] encryptedCommandBytes = authService.encrypt(commandBytes, encryptedIndex); final byte[] encryptedCommandBytes = authService.encrypt(commandBytes, encryptedIndex);
final ByteBuffer buf = ByteBuffer.allocate(6 + encryptedCommandBytes.length).order(ByteOrder.LITTLE_ENDIAN); final int commandLength = 6 + encryptedCommandBytes.length;
if (commandLength > getMTU()) {
LOG.warn("Command with {} bytes is too large for MTU of {}", commandLength, getMTU());
}
final ByteBuffer buf = ByteBuffer.allocate(commandLength).order(ByteOrder.LITTLE_ENDIAN);
buf.putShort((short) 0); buf.putShort((short) 0);
buf.put((byte) 2); // 2 for command buf.put((byte) 2); // 2 for command
buf.put((byte) 1); // 1 for encrypted buf.put((byte) 1); // 1 for encrypted