82 lines
2.8 KiB
C
82 lines
2.8 KiB
C
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/*
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* @brief Routines to overload "/" and "%" operator in C using ROM based divider library
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*
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* @note
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* Copyright(C) NXP Semiconductors, 2013
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* All rights reserved.
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*
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* @par
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* Software that is described herein is for illustrative purposes only
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* which provides customers with programming information regarding the
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* LPC products. This software is supplied "AS IS" without any warranties of
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* any kind, and NXP Semiconductors and its licensor disclaim any and
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* all warranties, express or implied, including all implied warranties of
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* merchantability, fitness for a particular purpose and non-infringement of
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* intellectual property rights. NXP Semiconductors assumes no responsibility
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* or liability for the use of the software, conveys no license or rights under any
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* patent, copyright, mask work right, or any other intellectual property rights in
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* or to any products. NXP Semiconductors reserves the right to make changes
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* in the software without notification. NXP Semiconductors also makes no
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* representation or warranty that such application will be suitable for the
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* specified use without further testing or modification.
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*
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* @par
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* Permission to use, copy, modify, and distribute this software and its
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* documentation is hereby granted, under NXP Semiconductors' and its
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* licensor's relevant copyrights in the software, without fee, provided that it
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* is used in conjunction with NXP Semiconductors microcontrollers. This
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* copyright, permission, and disclaimer notice must appear in all copies of
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* this code.
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*/
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#ifndef __ROMDIV_11U6X_H_
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#define __ROMDIV_11U6X_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** @defgroup ROMAPI_DIV_11U6X ROM divider API declarations
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* @ingroup ROMAPI_11U6X
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* The ROM-based 32-bit integer division routines are available for all LPC11U6x.
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* These routines are performance optimized and reduce application code space. As
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* part of chip library these routines overload “/” and “%” operators in C.
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* @{
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*/
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/**
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* @brief Structure containing signed integer divider return data.
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*/
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typedef struct {
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int quot; /*!< Quotient */
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int rem; /*!< Reminder */
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} IDIV_RETURN_T;
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/**
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* @brief Structure containing unsigned integer divider return data.
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*/
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typedef struct {
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unsigned quot; /*!< Quotient */
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unsigned rem; /*!< Reminder */
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} UIDIV_RETURN_T;
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/**
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* @brief ROM divider API Structure.
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*/
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typedef struct {
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int (*sidiv)(int numerator, int denominator); /*!< Signed integer division */
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unsigned (*uidiv)(unsigned numerator, unsigned denominator); /*!< Unsigned integer division */
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IDIV_RETURN_T (*sidivmod)(int numerator, int denominator); /*!< Signed integer division with remainder */
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UIDIV_RETURN_T (*uidivmod)(unsigned numerator, unsigned denominator); /*!< Unsigned integer division with remainder */
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} ROM_DIV_API_T;
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ROMDIV_11U6X_H_ */
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