341 lines
11 KiB
C
341 lines
11 KiB
C
/* ----------------------------------------------------------------------------
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* Copyright (c) 2020-2030 OnMicro Limited. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of OnMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* -------------------------------------------------------------------------- */
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/**
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* @file om_utils.h
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* @brief
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* @date 06. Aug 2020
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* @author OnMicro SW Team
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*
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* @defgroup OM_UTILS Utils
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* @ingroup COMMON
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* @brief Helper functions
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* @details Helper functions
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*
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* @version
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* Version 1.0
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* - Initial release
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*
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* @{
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*/
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#ifndef __OM_UTIL_H__
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#define __OM_UTIL_H__
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/*********************************************************************
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* INCLUDES
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*/
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#include "om_device.h"
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#include "om_log.h"
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/*********************************************************************
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* MACROS
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*/
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/// MAX
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#define OM_MAX(x,y) (((x) > (y)) ? (x) : (y))
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/// MIN
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#define OM_MIN(x,y) (((x) < (y)) ? (x) : (y))
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/// count of
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#define OM_COUNT_OF(s) (sizeof(s)/sizeof((s)[0]))
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/// offset of
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#define OM_OFFSET_OF(type, member) ((unsigned int) &((type *)0)->member)
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/// container of
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#define OM_CONTAINER_OF(ptr, type, member) ((type *)((char *)(ptr) - OM_OFFSET_OF(type, member)))
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/**
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*******************************************************************************
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* @brief The OM_ASSERT macro is used for function's parameters check.
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* @param expr: If expr is false, it calls drv_assert_failed function
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* which reports the name of the source file and the source
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* line number of the call that failed.
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* If expr is true, it returns no value.
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* @return None
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*******************************************************************************
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*/
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/* Assert ------------------------------------------------------------------- */
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#ifdef CONFIG_ASSERT
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#define OM_ASSERT(expr) do { \
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if(!(unsigned)(expr)) { \
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while(1); \
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} \
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} while(0)
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/// assert with while
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#define OM_ASSERT_WHILE(cond, expr) do { \
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if((unsigned)(cond)) { \
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if(!(unsigned)(expr)) { \
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OM_LOG(OM_LOG_ERROR, "Error:%s:%d\n", __FILE__, __LINE__); \
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while(1); \
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} \
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} \
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} while(0)
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/// assert with show warning
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#define OM_ASSERT_WARNING(expr) do { \
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if(!(unsigned)(expr)) { \
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OM_LOG(OM_LOG_WARN, "WARNING:%s:%d\n", __FILE__, __LINE__); \
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} \
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} while(0)
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#else
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#define OM_ASSERT(expr) ((void)0U)
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#define OM_ASSERT_WHILE(cond, expr) ((void)0U)
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#define OM_ASSERT_WARNING(expr) ((void)0U)
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#endif /* CONFIG_ASSERT */
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/// Compile Time Asserts
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#define OM_STATIC_ASSERT(exp) extern char om_static_assert_failed[(exp)?1:-1]
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/**
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*******************************************************************************
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* @brief Align val on the multiple of align equal or nearest higher. align shall in [2, 4, 8, ... 2**n]
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*
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* @param[in] val Value to align.
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* @param[in] align Align
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*
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* @return: Aligned Value
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*******************************************************************************
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*/
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#define OM_ALIGN_HI(val, align) (((unsigned)((val) + ((align) - 1))) & (~((align) - 1)))
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/**
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*******************************************************************************
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* @brief Align val on the multiple of align equal or nearest lower. align shall in [2, 4, 8, ... 2**n]
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*
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* @param[in] val Value to align.
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* @param[in] align Align
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*
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* @return Value aligned.
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*******************************************************************************
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*/
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#define OM_ALIGN_LO(val, align) ((unsigned)(val) & (~((align) - 1)))
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/**
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*******************************************************************************
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* @brief Align val on the multiple of 32 equal or nearest higher.
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*
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* @param[in] val Value to align.
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*
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* @return Value aligned.
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*******************************************************************************
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*/
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#define OM_ALIGN32_HI(val) (((unsigned)(val)+31)&(~31))
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/**
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*******************************************************************************
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* @brief Align val on the multiple of 32 equal or nearest lower.
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*
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* @param[in] val Value to align.
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*
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* @return Value aligned.
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*******************************************************************************
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*/
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#define OM_ALIGN32_LO(val) ((unsigned)(val)&(~31))
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/**
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*******************************************************************************
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* @brief Align val on the multiple of 8 equal or nearest higher.
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*
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* @param[in] val Value to align.
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*
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* @return Value aligned.
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*******************************************************************************
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*/
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#define OM_ALIGN8_HI(val) (((unsigned)(val)+7)&(~7))
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/**
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*******************************************************************************
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* @brief Align val on the multiple of 8 equal or nearest lower.
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*
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* @param[in] val Value to align.
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*
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* @return Value aligned.
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*******************************************************************************
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*/
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#define OM_ALIGN8_LO(val) ((unsigned)(val)&(~7))
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/**
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*******************************************************************************
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* @brief Align val on the multiple of 4 equal or nearest higher.
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*
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* @param[in] val Value to align.
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*
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* @return Value aligned.
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*******************************************************************************
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*/
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#define OM_ALIGN4_HI(val) (((unsigned)(val)+3)&(~3))
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/**
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*******************************************************************************
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* @brief Align val on the multiple of 4 equal or nearest lower.
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*
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* @param[in] val Value to align.
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*
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* @return Value aligned.
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*******************************************************************************
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*/
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#define OM_ALIGN4_LO(val) ((unsigned)(val)&(~3))
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/**
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*******************************************************************************
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* @brief Align val on the multiple of 2 equal or nearest higher.
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*
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* @param[in] val Value to align.
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*
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* @return Value aligned.
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*******************************************************************************
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*/
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#define OM_ALIGN2_HI(val) (((unsigned)(val)+1)&(~1))
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/**
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*******************************************************************************
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* @brief Align val on the multiple of 2 equal or nearest lower.
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*
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* @param[in] val Value to align.
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*
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* @return Value aligned.
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*******************************************************************************
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*/
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#define OM_ALIGN2_LO(val) ((unsigned)(val)&(~1))
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/**
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*******************************************************************************
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* @brief Check val is align to the power of 2
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*
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* @param[in] val Value to align.
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* @param[in] align Align value, align range in [2, 4, 8, ...2**31, 0]
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*
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* @return is aligned.
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*******************************************************************************
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*/
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#define OM_IS_ALIGN(val, align) (!((unsigned)(val) & ((unsigned)(align) - 1)))
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/// Check val is align to 16 Bytes.
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#define OM_IS_ALIGN16(val) OM_IS_ALIGN(val, 16)
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/// Check val is align to 8 Bytes.
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#define OM_IS_ALIGN8(val) OM_IS_ALIGN(val, 8)
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/// Check val is align to 4 Bytes.
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#define OM_IS_ALIGN4(val) OM_IS_ALIGN(val, 4)
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/// Check val is align to 2 Bytes.
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#define OM_IS_ALIGN2(val) OM_IS_ALIGN(val, 2)
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/* attribute description in function/marcro define -------------------------- */
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/* used for specify function/macro parameter as an IN parameter */
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#ifdef __IN
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#error "redefine __IN"
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#else
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#define __IN
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#endif
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/* used for specify function/macro parameter as an OUT parameter */
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#ifdef __OUT
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#error "redefine __OUT"
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#else
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#define __OUT
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#endif
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/* used for specify function/macro parameter as an INOUT parameter */
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#ifdef __INOUT
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#error "redefine __INOUT"
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#else
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#define __INOUT
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#endif
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/* used for specify function/macro parameter need ALIGN to 2 Bytes */
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#ifdef __ALIGN2
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#error "redefine __ALIGN2"
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#else
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#define __ALIGN2
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#endif
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/* used for specify function/macro parameter need ALIGN to 4 Bytes */
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#ifdef __ALIGN4
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#error "redefine __ALIGN4"
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#else
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#define __ALIGN4
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#endif
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/* Assert ------------------------------------------------------------------- */
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/*********************************************************************
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* TYPEDEFS
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*/
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/*********************************************************************
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* EXTERN VARIABLES
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*/
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/*********************************************************************
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* EXTERN FUNCTIONS
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*/
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/**
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*******************************************************************************
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* @brief om crc16 ccitt
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*
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* @param[in] crcinit crcinit
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* @param[in] buf buf
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* @param[in] len len
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*
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* @return crc16
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*******************************************************************************
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**/
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extern uint16_t om_crc16_ccitt(uint16_t crcinit, const void *buf, unsigned len);
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/**
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*******************************************************************************
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* @brief om array reversal
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*
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* @param[in] array array
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* @param[in] len len
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*******************************************************************************
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*/
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extern void om_array_reversal(void *array, unsigned len);
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#ifdef __cplusplus
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}
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#endif
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#endif
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/** @} */
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