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| author | Phil Burk <philburk@google.com> | 2015-09-22 12:07:31 -0700 |
|---|---|---|
| committer | Steve Kondik <shade@chemlab.org> | 2015-11-10 11:01:20 -0800 |
| commit | ce048eb02050104a3d5d0131eef8a50888698337 (patch) | |
| tree | aadc1eea71324adb3ef8e2cbdfb17010d364335d /media | |
| parent | 3ae97c857e76a46d3d5342eb76a4999d569040a9 (diff) | |
| download | frameworks_base-ce048eb02050104a3d5d0131eef8a50888698337.zip frameworks_base-ce048eb02050104a3d5d0131eef8a50888698337.tar.gz frameworks_base-ce048eb02050104a3d5d0131eef8a50888698337.tar.bz2 | |
BluetoothMidiDevice: change write type to support JamStik
Temporarily use a Request instead of a Command so that the JamStik
will be properly enabled.
Bug: 24207964
Change-Id: I3d11732958c46e6039405b5969d5af0db8032fb9
Signed-off-by: Phil Burk <philburk@google.com>
(cherry picked from commit 95129f50c68c734c5ebdf32ff6b8b9c63cc1ada7)
Diffstat (limited to 'media')
| -rw-r--r-- | media/packages/BluetoothMidiService/src/com/android/bluetoothmidiservice/BluetoothMidiDevice.java | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/media/packages/BluetoothMidiService/src/com/android/bluetoothmidiservice/BluetoothMidiDevice.java b/media/packages/BluetoothMidiService/src/com/android/bluetoothmidiservice/BluetoothMidiDevice.java index e6d59e4..444705c 100644 --- a/media/packages/BluetoothMidiService/src/com/android/bluetoothmidiservice/BluetoothMidiDevice.java +++ b/media/packages/BluetoothMidiService/src/com/android/bluetoothmidiservice/BluetoothMidiDevice.java @@ -147,14 +147,22 @@ public final class BluetoothMidiDevice { // switch to receiving notifications after initial characteristic read mBluetoothGatt.setCharacteristicNotification(characteristic, true); + // Use writeType that requests acknowledgement. + // This improves compatibility with various BLE-MIDI devices. + int originalWriteType = characteristic.getWriteType(); + characteristic.setWriteType(BluetoothGattCharacteristic.WRITE_TYPE_DEFAULT); + BluetoothGattDescriptor descriptor = characteristic.getDescriptor( CLIENT_CHARACTERISTIC_CONFIG); if (descriptor != null) { descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE); - mBluetoothGatt.writeDescriptor(descriptor); + boolean result = mBluetoothGatt.writeDescriptor(descriptor); + Log.d(TAG, "writeDescriptor returned " + result); } else { Log.e(TAG, "No CLIENT_CHARACTERISTIC_CONFIG for device " + mBluetoothDevice); } + + characteristic.setWriteType(originalWriteType); } @Override |