111 lines
3.6 KiB
C
111 lines
3.6 KiB
C
/**********************************************************************
|
|
* $Id$ lpc_crc.h 2011-06-02
|
|
*//**
|
|
* @file lpc_crc.h
|
|
* @brief Contains all macro definitions and function prototypes
|
|
* support for CRC firmware library on LPC
|
|
* @version 1.0
|
|
* @date 02. June. 2011
|
|
* @author NXP MCU SW Application Team
|
|
*
|
|
* Copyright(C) 2011, NXP Semiconductor
|
|
* All rights reserved.
|
|
*
|
|
***********************************************************************
|
|
* Software that is described herein is for illustrative purposes only
|
|
* which provides customers with programming information regarding the
|
|
* products. This software is supplied "AS IS" without any warranties.
|
|
* NXP Semiconductors assumes no responsibility or liability for the
|
|
* use of the software, conveys no license or title under any patent,
|
|
* copyright, or mask work right to the product. NXP Semiconductors
|
|
* reserves the right to make changes in the software without
|
|
* notification. NXP Semiconductors also make no representation or
|
|
* warranty that such application will be suitable for the specified
|
|
* use without further testing or modification.
|
|
* Permission to use, copy, modify, and distribute this software and its
|
|
* documentation is hereby granted, under NXP Semiconductors'
|
|
* relevant copyright 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.
|
|
**********************************************************************/
|
|
|
|
/* Peripheral group ----------------------------------------------------------- */
|
|
/** @defgroup CRC CRC (Cyclic Redundancy Check)
|
|
* @ingroup LPC_CMSIS_FwLib_Drivers
|
|
* @{
|
|
*/
|
|
|
|
#ifndef __LPC__CRC_H_
|
|
#define __LPC__CRC_H_
|
|
|
|
/* Includes ------------------------------------------------------------------- */
|
|
#include "LPC407x_8x_177x_8x.h"
|
|
#include "lpc_types.h"
|
|
|
|
|
|
#ifdef __cplusplus
|
|
extern "C"
|
|
{
|
|
#endif
|
|
|
|
/* Private macros ------------------------------------------------------------- */
|
|
/** @defgroup CRC_Private_Macros CRC Private Macros
|
|
* @{
|
|
*/
|
|
|
|
/* -------------------------- BIT DEFINITIONS ----------------------------------- */
|
|
/*********************************************************************//**
|
|
* Macro defines for CRC mode register
|
|
**********************************************************************/
|
|
#define CRC_BIT_RVS_WR (1<<2)
|
|
#define CRC_CMPL_WR (1<<3)
|
|
#define CRC_BIT_RVS_SUM (1<<4)
|
|
#define CRC_CMPL_SUM (1<<5)
|
|
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
/* Private types ------------------------------------------------------------- */
|
|
typedef enum
|
|
{
|
|
CRC_POLY_CRCCCITT = 0, /** CRC CCITT polynomial */
|
|
CRC_POLY_CRC16, /** CRC-16 polynomial */
|
|
CRC_POLY_CRC32 /** CRC-32 polynomial */
|
|
}CRC_Type;
|
|
|
|
typedef enum
|
|
{
|
|
CRC_WR_8BIT = 1, /** 8-bit write: 1-cycle operation */
|
|
CRC_WR_16BIT = 2, /** 16-bit write: 2-cycle operation */
|
|
CRC_WR_32BIT = 4, /** 32-bit write: 4-cycle operation */
|
|
}CRC_WR_SIZE;
|
|
|
|
/* Public Functions ----------------------------------------------------------- */
|
|
/** @defgroup CRC_Public_Functions CRC Public Functions
|
|
* @{
|
|
*/
|
|
void CRC_Init(CRC_Type CRCType);
|
|
void CRC_Reset(void);
|
|
uint32_t CRC_CalcDataChecksum(uint32_t data, CRC_WR_SIZE SizeType);
|
|
uint32_t CRC_CalcBlockChecksum(void *blockdata, uint32_t blocksize, CRC_WR_SIZE SizeType);
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
|
|
#endif /* __LPC_CRC_H_ */
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/* --------------------------------- End Of File ------------------------------ */
|