| /* |
| * 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_ |