i2c.h

Go to the documentation of this file.

/****************************************************************************
 *
 *   Copyright (C) 2015 Mark Charlebois. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name PX4 nor the names of its contributors may be
 *    used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 ****************************************************************************/
#pragma once

#ifdef __PX4_NUTTX
#include "nuttx/I2C.hpp"
#elif __PX4_QURT
#include "qurt/I2C.hpp"
#else
#include "posix/I2C.hpp"
#endif

#include <board_config.h>


static const int i2c_bus_options[] = {
#ifdef PX4_I2C_BUS_EXPANSION
    PX4_I2C_BUS_EXPANSION,
#endif
#ifdef PX4_I2C_BUS_EXPANSION1
    PX4_I2C_BUS_EXPANSION1,
#endif
#ifdef PX4_I2C_BUS_EXPANSION2
    PX4_I2C_BUS_EXPANSION2,
#endif
#ifdef PX4_I2C_BUS_ONBOARD
    PX4_I2C_BUS_ONBOARD,
#endif
};

#define NUM_I2C_BUS_OPTIONS (sizeof(i2c_bus_options)/sizeof(i2c_bus_options[0]))