/*
 * Copyright (C) 2016 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.os;

interface IPeripheralManagerClient {
  void ListGpio(out @utf8InCpp List<String> gpios);

  void OpenGpio(@utf8InCpp String name);

  void ReleaseGpio(@utf8InCpp String name);

  void SetGpioEdge(@utf8InCpp String name, int type);

  void SetGpioActiveType(@utf8InCpp String name, int type);

  void SetGpioDirection(@utf8InCpp String name, int direction);

  void SetGpioValue(@utf8InCpp String name, boolean value);

  boolean GetGpioValue(@utf8InCpp String name);

  FileDescriptor GetGpioPollingFd(@utf8InCpp String name);

  void ListSpiBuses(out @utf8InCpp List<String> buses);

  void OpenSpiDevice(@utf8InCpp String name);

  void ReleaseSpiDevice(@utf8InCpp String name);

  void SpiDeviceWriteByte(@utf8InCpp String name, byte data);

  void SpiDeviceWriteBuffer(@utf8InCpp String name, in byte[] buffer);

  void SpiDeviceTransfer(@utf8InCpp String name, in @nullable byte[] tx_data,
                         out @nullable byte[] rx_data, int len);

  void SpiDeviceSetFrequency(@utf8InCpp String name, int frequency_hz);

  void SpiDeviceSetBitJustification(@utf8InCpp String name,
                                    boolean lsb_first);

  void SpiDeviceSetMode(@utf8InCpp String name, int mode);

  void SpiDeviceSetBitsPerWord(@utf8InCpp String name, int nbits);
}