crc_8xx.h

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/*
 * @brief LPC8xx Cyclic Redundancy Check (CRC) Engine driver
 *
 * @note
 * Copyright(C) NXP Semiconductors, 2012
 * 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 licenser 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 __CRC_8XX_H_
#define __CRC_8XX_H_

#ifdef __cplusplus
extern "C" {
#endif

typedef IP_CRC_001_POLY_T CRC_POLY_T;

STATIC INLINE void Chip_CRC_Init(void)
{
 /* turn on the clock to the CRC engine */
 Chip_Clock_EnablePeriphClock(SYSCTL_CLOCK_CRC);
 IP_CRC_Init(LPC_CRC);
}

STATIC INLINE void Chip_CRC_Deinit(void)
{
 /* turn off the clock to the CRC engine */
 IP_CRC_DeInit(LPC_CRC);
 Chip_Clock_DisablePeriphClock(SYSCTL_CLOCK_CRC);
}

STATIC INLINE void Chip_CRC_SetPoly(CRC_POLY_T poly, uint32_t flags)
{
 IP_CRC_SetPoly(LPC_CRC, poly, flags);
}

STATIC INLINE void Chip_CRC_UseDefaultConfig(CRC_POLY_T poly)
{
 IP_CRC_UseDefaultConfig(LPC_CRC, poly);
}

STATIC INLINE void Chip_CRC_SetMode(uint32_t mode)
{
 IP_CRC_SetMode(LPC_CRC, mode);
}

STATIC INLINE uint32_t Chip_CRC_GetMode(void)
{
 return IP_CRC_GetMode(LPC_CRC);
}

STATIC INLINE void Chip_CRC_SetSeed(uint32_t seed)
{
 IP_CRC_SetSeed(LPC_CRC, seed);
}

STATIC INLINE uint32_t Chip_CRC_GetSeed(void)
{
 return IP_CRC_GetSeed(LPC_CRC);
}

STATIC INLINE void Chip_CRC_Write8(uint8_t data)
{
 IP_CRC_Write8(LPC_CRC, data);
}

STATIC INLINE void Chip_CRC_Write16(uint16_t data)
{
 IP_CRC_Write16(LPC_CRC, data);
}

STATIC INLINE void Chip_CRC_Write32(uint32_t data)
{
 IP_CRC_Write32(LPC_CRC, data);
}

STATIC INLINE uint32_t Chip_CRC_Sum(void)
{
 return IP_CRC_ReadSum(LPC_CRC);
}

uint32_t Chip_CRC_CRC8(const uint8_t *data, uint32_t bytes);

uint32_t Chip_CRC_CRC16(const uint16_t *data, uint32_t hwords);

uint32_t Chip_CRC_CRC32(const uint32_t *data, uint32_t words);

#ifdef __cplusplus
}
#endif

#endif /* __CRC_8XX_H_ */