owner-nrf52sdk/nRF5_SDK_15.3.0/components/ant/ant_fs/defines.h

/**
 * This software is subject to the ANT+ Shared Source License
 * www.thisisant.com/swlicenses
 * Copyright (c) Garmin Canada Inc. 2012
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the following
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 *
 *    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 of Garmin nor the names of its
 *       contributors may be used to endorse or promote products
 *       derived from this software without specific prior
 *       written permission.
 *
 * The following actions are prohibited:
 *
 *    1) Redistribution of source code containing the ANT+ Network
 *       Key. The ANT+ Network Key is available to ANT+ Adopters.
 *       Please refer to http://thisisant.com to become an ANT+
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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/**@file
 * @brief Definitions.
 * This file is based on implementation originally made in August 2012 by Garmin Canada Inc.
 * (former Dynastream Innovations Inc.)
 * @defgroup ant_fs_client_main ANT-FS client device simulator
 * @{
 * @ingroup nrf_ant_fs_client
 *
 * @brief The ANT-FS client device simulator.
 *
 */

#ifndef DEFINES_H__
#define DEFINES_H__

#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

#define MAX_ULONG 0xFFFFFFFFu                 /**< The Max value for the type. */

/**@brief uint16_t type presentation as an union. */
typedef union
{
    uint16_t data;                            /**< The data content. */

    struct
    {
        uint8_t low;                          /**< The low byte of the data content. */
        uint8_t high;                         /**< The high byte of the data content. */
    } bytes;
} ushort_union_t;

/**@brief uint32_t type presentation as an union. */
typedef union
{
    uint32_t data;                            /**< The data content as a single variable. */
    uint8_t  data_bytes[sizeof(uint32_t)];    /**< The data content as a byte array. */

    struct
    {
        // The least significant byte of the uint32_t in this structure is referenced by byte0.
        uint8_t byte0;                        /**< Byte 0 of the data content. */
        uint8_t byte1;                        /**< Byte 1 of the data content. */
        uint8_t byte2;                        /**< Byte 2 of the data content. */
        uint8_t byte3;                        /**< Byte 3 of the data content. */
    } bytes;
} ulong_union_t;

#ifdef __cplusplus
}
#endif

#endif // DEFINES_H__

/**
 *@}
 **/