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125 lines
4.2 KiB
C
125 lines
4.2 KiB
C
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/**********************************************************************
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* $Id$ lpc43xx_sdmmc.h 2012-Aug-15
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*//**
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* @file lpc43xx_sdmmc.h
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* @brief SD/MMC card access and data driver
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* @version 1.0
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* @date 15. Aug. 2012
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* @author NXP MCU SW Application Team
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*
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* Copyright(C) 2011, NXP Semiconductor
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* All rights reserved.
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*
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***********************************************************************
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* Software that is described herein is for illustrative purposes only
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* which provides customers with programming information regarding the
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* products. This software is supplied "AS IS" without any warranties.
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* NXP Semiconductors assumes no responsibility or liability for the
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* use of the software, conveys no license or title under any patent,
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* copyright, or mask work right to the product. NXP Semiconductors
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* reserves the right to make changes in the software without
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* notification. NXP Semiconductors also make no representation or
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* warranty that such application will be suitable for the specified
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* use without further testing or modification.
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* Permission to use, copy, modify, and distribute this software and its
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* documentation is hereby granted, under NXP Semiconductors'
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* relevant copyright in the software, without fee, provided that it
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* is used in conjunction with NXP Semiconductors microcontrollers. This
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* copyright, permission, and disclaimer notice must appear in all copies of
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* this code.
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**********************************************************************/
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/* Peripheral group ----------------------------------------------------------- */
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/** @defgroup SDMMC SDMMC (SDMMC Card Interface)
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* @ingroup LPC4300CMSIS_FwLib_Drivers
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* @{
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*/
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#ifndef LPC43XX_SDMMC_H
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#define LPC43XX_SDMMC_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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/* Private Macros ------------------------------------------------------------- */
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/** @defgroup SDMMC_Private_Macros SDMMC Private Macros
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* @{
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*/
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/** \brief card type defines
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*/
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#define CARD_TYPE_SD (1 << 0)
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#define CARD_TYPE_4BIT (1 << 1)
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#define CARD_TYPE_8BIT (1 << 2)
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#define CARD_TYPE_HC (OCR_HC_CCS) /*!< high capacity card > 2GB */
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#define MMC_SECTOR_SIZE 512
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/** \brief Setup options for the SDIO driver
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*/
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#define US_TIMEOUT 1000000 /*!< give 1 atleast 1 sec for the card to respond */
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#define MS_ACQUIRE_DELAY (10) /*!< inter-command acquire oper condition delay in msec*/
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#define INIT_OP_RETRIES 50 /*!< initial OP_COND retries */
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#define SET_OP_RETRIES 1000 /*!< set OP_COND retries */
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#define SDIO_BUS_WIDTH 4 /*!< Max bus width supported */
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#define SD_MMC_ENUM_CLOCK 400000 /*!< Typical enumeration clock rate */
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#define MMC_MAX_CLOCK 20000000 /*!< Max MMC clock rate */
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#define MMC_LOW_BUS_MAX_CLOCK 26000000 /*!< Type 0 MMC card max clock rate */
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#define MMC_HIGH_BUS_MAX_CLOCK 52000000 /*!< Type 1 MMC card max clock rate */
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#define SD_MAX_CLOCK 25000000 /*!< Max SD clock rate */
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/* Function prototype for event setup function */
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typedef void (*MCI_EVSETUP_FUNC_T)(uint32_t);
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/* Function prototype for wait (for IRQ) function */
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typedef uint32_t (*MCI_WAIT_CB_FUNC_T)(uint32_t);
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/* Function prototype for milliSecond delay function */
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typedef void (*MCI_MSDELAY_FUNC_T)(uint32_t);
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/**
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* @}
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*/
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/* Public Functions ----------------------------------------------------------- */
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/** @defgroup SDMMC_Public_Functions SDMMC Public Functions
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* @{
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*/
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/* Attempt to enumerate an SDMMC card */
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int32_t sdmmc_acquire(MCI_EVSETUP_FUNC_T evsetup_cb,
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MCI_WAIT_CB_FUNC_T waitfunc_cb, MCI_MSDELAY_FUNC_T msdelay_func,
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struct _mci_card_struct *pcardinfo);
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/* Get card's current state (idle, transfer, program, etc.) */
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int32_t sdmmc_get_state(void);
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/* Get card's size */
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int32_t sdmmc_get_device_size(void);
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/* SDMMC read function - reads data from a card */
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int32_t sdmmc_read_blocks(void *buffer, int32_t start_block,
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int32_t end_block);
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/* SDMMC write function - writes data to a card. After calling this
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function, do not use read or write until the card state has
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left the program state. */
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int32_t sdmmc_write_blocks(void *buffer, int32_t start_block,
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int32_t end_block);
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* end LPC43XX_SDMMC_H */
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/**
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* @}
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*/
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/* --------------------------------- End Of File ------------------------------ */
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