tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_KPSDK_CODE/utilities/fsl_misc_utilities.h

   1 /*
   2  * Copyright (c) 2013 - 2014, Freescale Semiconductor, Inc.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without modification,
   6  * are permitted provided that the following conditions are met:
   7  *
   8  * o Redistributions of source code must retain the above copyright notice, this list
   9  *   of conditions and the following disclaimer.
  10  *
  11  * o Redistributions in binary form must reproduce the above copyright notice, this
  12  *   list of conditions and the following disclaimer in the documentation and/or
  13  *   other materials provided with the distribution.
  14  *
  15  * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
  16  *   contributors may be used to endorse or promote products derived from this
  17  *   software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  22  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
  23  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  26  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  28  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30 #ifndef __FSL_MISC_UTILITIES_H__
  31 #define __FSL_MISC_UTILITIES_H__
  32
  33 #include <stdint.h>
  34
  35 /*******************************************************************************
  36  * Definitions
  37  ******************************************************************************/
  38
  39 /*! @brief Min/max macros */
  40 #if !defined(MIN)
  41     #define MIN(a, b) ((a) < (b) ? (a) : (b))
  42 #endif
  43
  44 #if !defined(MAX)
  45     #define MAX(a, b) ((a) > (b) ? (a) : (b))
  46 #endif
  47
  48 /*! @brief Computes the number of elements in an array.*/
  49 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
  50
  51 /*! @brief Byte swap macros */
  52 #define BSWAP_16(x)   (uint16_t)((((x) & 0xFF00) >> 0x8) | (((x) & 0xFF) << 0x8))
  53 #define BSWAP_32(val) (uint32_t)((BSWAP_16((uint32_t)(val) & (uint32_t)0xFFFF) << 0x10) |  \
  54                                  (BSWAP_16((uint32_t)((val) >> 0x10))))
  55
  56 #endif /* __FSL_MISC_UTILITIES_H__ */
  57 /*******************************************************************************
  58  * EOF
  59  ******************************************************************************/
  60