fsmci_cfg.h

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/*
 * @brief LPC18xx/43xx SDMMC Card, ChaN FAT FS configuration file
 *
 * @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 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 __FSMCI_CFG_H_
#define __FSMCI_CFG_H_

#include <string.h>
#include "ffconf.h"
#include "diskio.h"
#include "board.h"

typedef mci_card_struct CARD_HANDLE_T;

#define FSMCI_CardAcquire(hc)          Chip_SDMMC_Acquire(LPC_SDMMC, hc)

#define FSMCI_CardInit()               (&sdcardinfo)

#define FSMCI_CardGetSectorCnt(hc)     ((hc)->card_info.blocknr)

#define FSMCI_CardGetSectorSz(hc)      ((hc)->card_info.block_len)


#define FSMCI_CardGetBlockSz(hc)       (4UL * 1024)

#define FSMCI_CardGetType(hc)          ((hc)->card_info.card_type)

#define FSMCI_CardGetCSD(hc, n)        ((hc)->card_info.csd[(n)])

#define FSMCI_CardGetCID(hc, n)        ((hc)->card_info.cid[(n)])

#define FSMCI_CardReadSectors(hc, buf, startSector, numSector) \
        Chip_SDMMC_ReadBlocks(LPC_SDMMC, buf, startSector, numSector)

#define FSMCI_CardWriteSectors(hc, buf, startSector, numSector) \
        Chip_SDMMC_WriteBlocks(LPC_SDMMC, buf, startSector, numSector)

#define FSMCI_InitRealTimeClock()       rtc_initialize()

#ifndef BOARD_NGX_XPLORER_18304330
#define FSMCI_CardInsertWait(hc)        while (Chip_SDIF_CardNDetect(LPC_SDMMC)) {}
#else
#define FSMCI_CardInsertWait(hc)        /* NGX board ignored SD_CD pin */
#endif

extern CARD_HANDLE_T sdcardinfo; 
extern void rtc_initialize(void);   
STATIC INLINE int FSMCI_CardReadyWait(CARD_HANDLE_T *hCrd, int tout)
{
 int32_t curr = (int32_t) Chip_RIT_GetCounter(LPC_RITIMER);
 int32_t final = curr + ((SystemCoreClock / 1000) * tout);

 if ((final < 0) && (curr > 0)) {
  while (Chip_RIT_GetCounter(LPC_RITIMER) < (uint32_t) final) { if (Chip_SDMMC_GetState(LPC_SDMMC) != -1) break; }
 }
 else {
  while ((int32_t) Chip_RIT_GetCounter(LPC_RITIMER) < final) { if (Chip_SDMMC_GetState(LPC_SDMMC) != -1) break; }
 }

 return Chip_SDMMC_GetState(LPC_SDMMC) != -1;
}

STATIC INLINE int FSMCI_CardGetState(CARD_HANDLE_T *hCrd, uint8_t *buff)
{
 int state;
 state = Chip_SDMMC_GetState(LPC_SDMMC);
 if (state == -1) return 0;
 memcpy(buff, &state, sizeof(int));
 return 1;
}

#endif /* ifndef __FSMCI_CFG_H_ */