| /* |
| * 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_I2C_DEVICE_IMPL_H_ |
| #define SYSTEM_PERIPHERALMANAGER_I2C_DEVICE_IMPL_H_ |
| |
| #include <string> |
| |
| #include <android/os/IPeripheralManagerClient.h> |
| #include <utils/StrongPointer.h> |
| |
| class I2cDeviceImpl { |
| public: |
| I2cDeviceImpl(const std::string& bus, |
| uint32_t address, |
| android::sp<android::os::IPeripheralManagerClient> client); |
| |
| int Read(void* data, uint32_t len, uint32_t* bytes_read); |
| int ReadRegByte(uint8_t reg, uint8_t* val); |
| int ReadRegWord(uint8_t reg, uint16_t* val); |
| int ReadRegBuffer(uint8_t reg, |
| void* data, |
| uint32_t len, |
| uint32_t* bytes_read); |
| |
| int Write(const void* data, uint32_t len, uint32_t* bytes_written); |
| int WriteRegByte(uint8_t reg, uint8_t byte); |
| int WriteRegWord(uint8_t reg, uint16_t byte); |
| int WriteRegBuffer(uint8_t reg, |
| const void* data, |
| uint32_t len, |
| uint32_t* bytes_written); |
| |
| ~I2cDeviceImpl(); |
| |
| private: |
| std::string name_; |
| uint32_t address_; |
| android::sp<android::os::IPeripheralManagerClient> client_; |
| }; |
| |
| #endif // SYSTEM_PERIPHERALMANAGER_I2C_DEVICE_IMPL_H_ |