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