peripheralmanager/client/gpio_impl.h

/*
 * 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.
 */

#ifndef SYSTEM_PERIPHERALMANAGER_GPIO_IMPL_H_
#define SYSTEM_PERIPHERALMANAGER_GPIO_IMPL_H_

#include <string>

#include <android/os/IPeripheralManagerClient.h>
#include <utils/StrongPointer.h>
#include "peripheralmanager/constants.h"

bool ActiveTypeFromInt(int type, android::GpioActiveType* out);
bool DirectionFromInt(int direction, android::GpioDirection* out);
bool EdgeTypeFromInt(int type, android::GpioEdgeType* out);

class GpioImpl {
 public:
  GpioImpl(const std::string name,
           android::sp<android::os::IPeripheralManagerClient> client);

  ~GpioImpl();

  int SetDirection(android::GpioDirection direction);

  int SetEdgeTriggerType(android::GpioEdgeType type);

  int SetActiveType(android::GpioActiveType type);

  int SetValue(int value);

  int GetValue(int* value);

  int GetPollingFd(int* fd);

 private:
  std::string name_;
  android::sp<android::os::IPeripheralManagerClient> client_;
};

#endif  // SYSTEM_PERIPHERALMANAGER_GPIO_IMPL_H_