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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011,2012,2013 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file sdc.h
* @brief SDC Driver macros and structures.
*
* @addtogroup SDC
* @{
*/
#ifndef _SDC_H_
#define _SDC_H_
#if HAL_USE_SDC || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/**
* @name SD card types
* @{
*/
#define SDC_MODE_CARDTYPE_MASK 0xF /**< @brief Card type mask. */
#define SDC_MODE_CARDTYPE_SDV11 0
#define SDC_MODE_CARDTYPE_SDV20 1
#define SDC_MODE_CARDTYPE_MMC 2
#define SDC_MODE_HIGH_CAPACITY 0x10
/** @} */
/**
* @name SDC bus error conditions
* @{
*/
#define SDC_NO_ERROR 0
#define SDC_CMD_CRC_ERROR 1
#define SDC_DATA_CRC_ERROR 2
#define SDC_DATA_TIMEOUT 4
#define SDC_COMMAND_TIMEOUT 8
#define SDC_TX_UNDERRUN 16
#define SDC_RX_OVERRUN 32
#define SDC_STARTBIT_ERROR 64
#define SDC_OVERFLOW_ERROR 128
#define SDC_UNHANDLED_ERROR 0xFFFFFFFF
/** @} */
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/**
* @name SDC configuration options
* @{
*/
/**
* @brief Number of initialization attempts before rejecting the card.
* @note Attempts are performed at 10mS intervals.
*/
#if !defined(SDC_INIT_RETRY) || defined(__DOXYGEN__)
#define SDC_INIT_RETRY 100
#endif
/**
* @brief Include support for MMC cards.
* @note MMC support is not yet implemented so this option must be kept
* at @p FALSE.
*/
#if !defined(SDC_MMC_SUPPORT) || defined(__DOXYGEN__)
#define SDC_MMC_SUPPORT FALSE
#endif
/**
* @brief Delays insertions.
* @details If enabled this options inserts delays into the MMC waiting
* routines releasing some extra CPU time for the threads with
* lower priority, this may slow down the driver a bit however.
*/
#if !defined(SDC_NICE_WAITING) || defined(__DOXYGEN__)
#define SDC_NICE_WAITING TRUE
#endif
/** @} */
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
#include "sdc_lld.h"
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/**
* @name Macro Functions
* @{
*/
/**
* @brief Returns the card insertion status.
* @note This macro wraps a low level function named
* @p sdc_lld_is_card_inserted(), this function must be
* provided by the application because it is not part of the
* SDC driver.
*
* @param[in] sdcp pointer to the @p SDCDriver object
* @return The card state.
* @retval FALSE card not inserted.
* @retval TRUE card inserted.
*
* @api
*/
#define sdcIsCardInserted(sdcp) (sdc_lld_is_card_inserted(sdcp))
/**
* @brief Returns the write protect status.
* @note This macro wraps a low level function named
* @p sdc_lld_is_write_protected(), this function must be
* provided by the application because it is not part of the
* SDC driver.
*
* @param[in] sdcp pointer to the @p SDCDriver object
* @return The card state.
* @retval FALSE not write protected.
* @retval TRUE write protected.
*
* @api
*/
#define sdcIsWriteProtected(sdcp) (sdc_lld_is_write_protected(sdcp))
/** @} */
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
void sdcInit(void);
void sdcObjectInit(SDCDriver *sdcp);
void sdcStart(SDCDriver *sdcp, const SDCConfig *config);
void sdcStop(SDCDriver *sdcp);
bool sdcConnect(SDCDriver *sdcp);
bool sdcDisconnect(SDCDriver *sdcp);
bool sdcRead(SDCDriver *sdcp, uint32_t startblk,
uint8_t *buffer, uint32_t n);
bool sdcWrite(SDCDriver *sdcp, uint32_t startblk,
const uint8_t *buffer, uint32_t n);
sdcflags_t sdcGetAndClearErrors(SDCDriver *sdcp);
bool sdcSync(SDCDriver *sdcp);
bool sdcGetInfo(SDCDriver *sdcp, BlockDeviceInfo *bdip);
bool sdcErase(SDCDriver *mmcp, uint32_t startblk, uint32_t endblk);
bool _sdc_wait_for_transfer_state(SDCDriver *sdcp);
#ifdef __cplusplus
}
#endif
#endif /* HAL_USE_SDC */
#endif /* _SDC_H_ */
/** @} */
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