125 lines
3.4 KiB
C
125 lines
3.4 KiB
C
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/*************************************CopyRight(c)************************************************
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** <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˾
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** www.lvbu.wang
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**************************************************************************************************
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**Filename:
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**Version:
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**Author:
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**Date:
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**Description:
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**
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**************************************************************************************************
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**Version:
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**Modifier:
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**Datemodified:
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**Description:
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**
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**************************************************************************************************/
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#ifndef LVBU_COMMON_H
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#define LVBU_COMMON_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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* Include
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*/
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/*********************************************************************
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* Macros
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*/
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/** The upper 8 bits of a 32 bit value */
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//lint -emacro(572,MSB_32) // Suppress warning 572 "Excessive shift value"
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#define MSB_32(a) (((a) & 0xFF000000) >> 24)
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/** The lower 8 bits (of a 32 bit value) */
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#define LSB_32(a) ((a) & 0x000000FF)
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/** The upper 8 bits of a 16 bit value */
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//lint -emacro(572,MSB_16) // Suppress warning 572 "Excessive shift value"
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#define MSB_16(a) (((a) & 0xFF00) >> 8)
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/** The lower 8 bits (of a 16 bit value) */
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#define LSB_16(a) ((a) & 0x00FF)
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/** Leaves the minimum of the two 32-bit arguments */
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/*lint -emacro(506, MIN) */ /* Suppress "Constant value Boolean */
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#define MIN(a, b) ((a) < (b) ? (a) : (b))
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/** Leaves the maximum of the two 32-bit arguments */
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/*lint -emacro(506, MAX) */ /* Suppress "Constant value Boolean */
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#define MAX(a, b) ((a) < (b) ? (b) : (a))
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#define STRINGIFY_(val) #val
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/** Converts a macro argument into a character constant.
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*/
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#define STRINGIFY(val) STRINGIFY_(val)
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/** Counts number of elements inside the array
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*/
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#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
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/**@brief Set a bit in the uint32 word.
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*
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* @param[in] W Word whose bit is being set.
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* @param[in] B Bit number in the word to be set.
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*/
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#define SET_BIT(W, B) ((W) |= (uint32_t)(1U << (B)))
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/**@brief Clears a bit in the uint32 word.
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*
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* @param[in] W Word whose bit is to be cleared.
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* @param[in] B Bit number in the word to be cleared.
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*/
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#define CLR_BIT(W, B) ((W) &= (~(uint32_t)(1U << (B))))
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/**@brief Checks if a bit is set.
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*
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* @param[in] W Word whose bit is to be checked.
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* @param[in] B Bit number in the word to be checked.
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*
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* @retval 1 if bit is set.
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* @retval 0 if bit is not set.
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*/
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#define IS_SET(W, B) (((W) >> (B)) & 1)
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/*********************************************************************
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* Constants
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*/
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/*********************************************************************
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* Typedefs
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*/
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/*********************************************************************
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* Global Variables
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*/
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/*********************************************************************
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* Global Functions
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*/
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/*********************************************************************
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* External Variables
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*/
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/*********************************************************************
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* External Functions
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*/
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/*********************************************************************
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* Local Vriables
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*/
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/*********************************************************************
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* Local Functions
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*/
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int stringLength (const char *string);
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unsigned char str_cmp(unsigned char *p1,unsigned char *p2,unsigned char len);
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#ifdef __cplusplus
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}
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#endif
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#endif /* LVBU_COMMON_H */
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