Hi,
I have done more tests on GATT behavioud and I found that sometime RX not
receiving for sent Tx and sometime Error RX response (Invalid Handle
error) is coming for the sent TX.
Shared both working and non working logs.
---------------------------------Working Log -----
< ACL Data TX: Handle 64 flags 0x00 dlen 9 [hci0]
641.405722
ATT: Write Request (0x12) len 4
Handle: 0x0212
Data: 0100
D/BtGatt.GattService( 1501): writeDescriptor() - address=00:00:39:36:85:2F
> ACL Data RX: Handle 64 flags 0x02 dlen 5 [hci0]
641.521811
ATT: Write Response (0x13) len 0
D/BtGatt.GattService( 1501): onWriteDescriptor() -
address=00:00:39:36:85:2F, status=0
D/BluetoothGatt( 1552): onDescriptorWrite() - Device=00:00:39:36:85:2F
UUID=00002a37-0000-1000-8000-00805f9b34fb
I/HCSDP_COLLECTORLIB( 1552): Success descriptor write.
-------------Log End----------------
-----------------------RX not received Log -----
< ACL Data TX: Handle 64 flags 0x00 dlen 9 [hci0]
644.161560
ATT: Write Request (0x12) len 4
Handle: 0x0212
Data: 0000
D/BtGatt.GattService( 1501): writeDescriptor() - address=00:00:39:36:85:2F
D/HCSDP_COLLECTORLIB( 1552): setRawDataMode() is called
D/HCSDP_COLLECTORLIB( 1552): setRawDataMode() is called.
D/HCSDP_COLLECTORLIB( 1552): Set RawDataMode: false
//Notification RX received instead of Write response for Notify disable
> ACL Data RX: Handle 64 flags 0x02 dlen 27 [hci0]
644.221687
> ACL Data RX: Handle 64 flags 0x01 dlen 27 [hci0]
644.289321
> ACL Data RX: Handle 64 flags 0x01 dlen 2 [hci0]
644.356445
ATT: Handle Value Notification (0x1b) len 51
Handle: 0x0411
Data:
0108000a020000010800fd0100000108000102000001080005020000010800fd01000001080004020000010800f9010000
D/BtGatt.GattService( 1501): onNotify() - address=00:00:39:36:85:2F,
charUuid=1d11ff20-485b-11e4-8add-0002a5d5c51b, length=49
D/BluetoothGatt( 1552): onNotify() - Device=00:00:39:36:85:2F
UUID=1d11ff20-485b-11e4-8add-0002a5d5c51b
----------------------Log End---------------
----------------------------Working Log2------------------
D/BluetoothGatt( 1073): writeCharacteristic() - uuid:
1d4de0a0-9f84-11e4-a042-0002a5d5c51b
< ACL Data TX: Handle 64 flags 0x00 dlen 8 [hci0]
176.499417
ATT: Write Request (0x12) len 3
Handle: 0x0241
Data: 00
D/BtGatt.GattService( 829): writeCharacteristic() -
address=00:00:39:36:85:2F
> ACL Data RX: Handle 64 flags 0x02 dlen 5 [hci0]
176.545564
ATT: Write Response (0x13) len 0
D/BtGatt.GattService( 829): onWriteCharacteristic() -
address=00:00:39:36:85:2F, status=0
D/BluetoothGatt( 1073): onCharacteristicWrite() - Device=00:00:39:36:85:2F
UUID=1d4de0a0-9f84-11e4-a042-0002a5d5c51b Status=0
I/HCSDP_COLLECTORLIB( 1073): Success characteristic write.
----------------------------Log End----------------------
------------------------Write Failure Log------------
D/BluetoothGatt( 1073): writeCharacteristic() - uuid:
1d4de0a0-9f84-11e4-a042-0002a5d5c51b
< ACL Data TX: Handle 64 flags 0x00 dlen 8 [hci0]
72.124696
ATT: Write Request (0x12) len 3
Handle: 0x0241
Data: 00
D/BtGatt.GattService( 829): writeCharacteristic() -
address=00:00:39:36:85:2F
I/audio_hw_primary( 189): start_output_stream... 2016783120, device 2
W/audio_hw_primary( 189): card 1, port 0 device 0x2
W/audio_hw_primary( 189): rate 48000, channel 2 period_size 0xc0
> ACL Data RX: Handle 64 flags 0x02 dlen 9 [hci0]
72.209941
ATT: Error Response (0x01) len 4
Write Request (0x12)
Handle: 0x0241
Error: Invalid Handle (0x01)
D/BtGatt.GattService( 829): onWriteCharacteristic() -
address=00:00:39:36:85:2F, status=1
D/BluetoothGatt( 1073): onCharacteristicWrite() - Device=00:00:39:36:85:2F
UUID=1d4de0a0-9f84-11e4-a042-0002a5d5c51b Status=1
I/HCSDP_COLLECTORLIB( 1073): Fail characteristic write.
-------------------------Log End--------------
Regards,
KP
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