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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
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* See the License for the specific language governing permissions and
* limitations under the License.
package android.os;
interface IPeripheralManagerClient {
// Gpio functions.
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);
// Spi functions.
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);
void SpiDeviceSetDelay(@utf8InCpp String name, int delay_usecs);
// Leds functions.
void ListLeds(out @utf8InCpp List<String> leds);
void OpenLed(@utf8InCpp String name);
void ReleaseLed(@utf8InCpp String name);
int LedGetBrightness(@utf8InCpp String name);
int LedGetMaxBrightness(@utf8InCpp String name);
void LedSetBrightness(@utf8InCpp String name, int brightness);
// I2c functions.
void ListI2cBuses(out @utf8InCpp List<String> buses);
void OpenI2cDevice(@utf8InCpp String name, int address);
void ReleaseI2cDevice(@utf8InCpp String name, int address);
int I2cRead(@utf8InCpp String name, int address, out byte[] data, int size);
int I2cReadRegByte(@utf8InCpp String name, int address, int reg);
int I2cReadRegWord(@utf8InCpp String name, int address, int reg);
int I2cReadRegBuffer(@utf8InCpp String name, int address, int reg,
out byte[] data, int size);
int I2cWrite(@utf8InCpp String name, int address, in byte[] data);
void I2cWriteRegByte(@utf8InCpp String name, int address, int reg, byte val);
void I2cWriteRegWord(@utf8InCpp String name, int address, int reg, int val);
int I2cWriteRegBuffer(@utf8InCpp String name, int address, int reg,
in byte[] data);
// Uart functions
void ListUartDevices(out @utf8InCpp List<String> devices);
void OpenUartDevice(@utf8InCpp String name);
void ReleaseUartDevice(@utf8InCpp String name);
void SetUartDeviceBaudrate(@utf8InCpp String name, int baudrate);
int UartDeviceWrite(@utf8InCpp String name, in byte[] data);
int UartDeviceRead(@utf8InCpp String name, out byte[] data, int size);