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/*
* 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_SPI_DEVICE_IMPL_H_
#define SYSTEM_PERIPHERALMANAGER_SPI_DEVICE_IMPL_H_
#include <string>
#include <android/os/IPeripheralManagerClient.h>
#include <utils/StrongPointer.h>
class SpiDeviceImpl {
public:
SpiDeviceImpl(const std::string& bus,
android::sp<android::os::IPeripheralManagerClient> client);
~SpiDeviceImpl();
int WriteByte(uint8_t byte);
int WriteBuffer(const uint8_t* data, size_t len);
int Transfer(const uint8_t* tx_data, uint8_t* rx_data, size_t len);
int SetFrequency(uint32_t speed_hz);
int SetMode(int mode);
int SetBitJustification(int bit_justification);
int SetBitsPerWord(uint32_t bits_per_word);
int SetDelay(uint16_t delay_usecs);
private:
std::string name_;
android::sp<android::os::IPeripheralManagerClient> client_;
};
#endif // SYSTEM_PERIPHERALMANAGER_SPI_DEVICE_IMPL_H_
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