/*
 * Copyright 2014-2022 Great Scott Gadgets <info@greatscottgadgets.com>
 * Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
 *
 * This file is part of HackRF.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */

#ifndef __I2C_BUS_H__
#define __I2C_BUS_H__

#include <stdint.h>
#include <stddef.h>

struct i2c_bus_t;
typedef struct i2c_bus_t i2c_bus_t;

struct i2c_bus_t {
	void* const obj;
	void (*start)(i2c_bus_t* const bus, const void* const config);
	void (*stop)(i2c_bus_t* const bus);
	void (*transfer)(
		i2c_bus_t* const bus,
		const uint_fast8_t peripheral_address,
		const uint8_t* const tx,
		const size_t tx_count,
		uint8_t* const rx,
		const size_t rx_count);
};

void i2c_bus_start(i2c_bus_t* const bus, const void* const config);
void i2c_bus_stop(i2c_bus_t* const bus);
void i2c_bus_transfer(
	i2c_bus_t* const bus,
	const uint_fast8_t peripheral_address,
	const uint8_t* const tx,
	const size_t tx_count,
	uint8_t* const rx,
	const size_t rx_count);

#endif /*__I2C_BUS_H__*/
