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mmc_mcf.h
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/*NB_REVISION*/
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#ifndef _MMC_H_
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#define _MMC_H_
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/****************************************************************************
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*
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* Copyright (c) 2003 by HCC Embedded
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*
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* This software is copyrighted by and is the sole property of
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* HCC. All rights, title, ownership, or other interests
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* in the software remain the property of HCC. This
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* software may only be used in accordance with the corresponding
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* license agreement. Any unauthorized use, duplication, transmission,
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* distribution, or disclosure of this software is expressly forbidden.
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*
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* This Copyright notice may not be removed or modified without prior
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* written consent of HCC.
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*
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* HCC reserves the right to modify this software without notice.
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*
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* HCC Embedded
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* Budapest 1132
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* Victor Hugo Utca 11-15
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* Hungary
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*
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* Tel: +36 (1) 450 1302
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* Fax: +36 (1) 450 1303
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* http: www.hcc-embedded.com
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* email:
[email protected]
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*
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***************************************************************************/
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#include <effs_fat/common.h>
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#include <effs_fat/fat.h>
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#include <effs_fat/mmc_dsc.h>
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#ifdef __cplusplus
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extern
"C"
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{
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#endif
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/*
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SD/MMC shares the (Q)SPI with WLAN (wodule) at default installation
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Uncommenting NB_ENABLE_USER_QSPI in predefs.h changes the driver
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to the user (Q)SPI driver defined in qspi.h and does not then support
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using the SD/MMC and wodule in the same system.
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predef.h must precede this include file.
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*/
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#ifdef _PREDEF_H_
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#ifndef NB_ENABLE_USER_QSPI
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#define SD_SHARES_SPI (1)
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#endif
/* #ifndef NB_ENABLE_USER_QSPI */
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#else
/* #ifndef _PREDEF_H_ */
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#error predef.h must be included before mmc_mcf.h is included
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#endif
/* #ifndef _PREDEF_H_ */
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/* Uncomment SD_IRQ_SPI definition to enable interrupt driven SPI for the SD
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Card access. This will have a small decrease in the read and write speeds but
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will signifigantly lighten the load of the CPU while reading and writing to the SD Card.
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Other tasks will function more smoothly durring file transfers with IRQs enabled here.
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*/
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//#define SD_IRQ_SPI
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#define SDHC_ENABLE 1
/* enable SDHC support */
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#define USE_CRC 1
/* use CRC for communication */
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#define CRC_ROM_TABLE 1
/* put CRC table in ROM */
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extern
unsigned
long
MMC_CRC_Enable;
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int
spi_init(
void
);
/* init SPI */
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void
spi_set_baudrate(
unsigned
long
);
/* set baudrate */
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unsigned
long
spi_get_baudrate(
void
);
/* get baudrate */
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void
spi_tx1(
unsigned
char
);
/* transmit 1 byte */
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void
spi_tx2(
unsigned
short
);
/* transmit 2 bytes */
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void
spi_tx4(
unsigned
long
);
/* transmit 4 bytes */
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void
spi_tx512(
unsigned
char
*);
/* transmit 512 bytes */
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unsigned
char
spi_rx1(
void
);
/* receive 1 byte */
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void
spi_rx512(
unsigned
char
*);
/* receive 512 bytes */
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void
spi_cs_lo(
void
);
/* CS low */
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void
spi_cs_hi(
void
);
/* CS high */
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int
get_cd(
void
);
/* get Card Detect state */
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int
get_wp(
void
);
/* get Write Protect state */
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extern
F_DRIVER *mmc_initfunc(
unsigned
long
driver_param);
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#define MMC_ERR_NOTPLUGGED -1
/* for high level */
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#define F_MMC_DRIVE0 0
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#define F_MMC_DRIVE1 1
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#define F_MMC_DRIVE2 2
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#define F_MMC_DRIVE3 3
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enum
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{
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MMC_NO_ERROR,
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MMC_ERR_NOTINITIALIZED = 101,
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MMC_ERR_INIT,
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MMC_ERR_CMD,
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MMC_ERR_STARTBIT,
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MMC_ERR_BUSY,
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MMC_ERR_CRC,
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MMC_ERR_WRITE,
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MMC_ERR_WRITEPROTECT,
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MMC_ERR_NOTAVAILABLE
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};
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#ifdef __cplusplus
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}
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#endif
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/******************************************************************************
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*
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* end of mmc.h
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*
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*****************************************************************************/
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#endif
/* _MMC_H_ */
