255 lines
8.6 KiB
C
255 lines
8.6 KiB
C
/*
|
|
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
|
|
2011 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. */
|
|
/*===========================================================================*/
|
|
|
|
#define SDC_BLOCK_SIZE 512 /**< Fixed block size. */
|
|
|
|
/**
|
|
* @brief Fixed pattern for CMD8.
|
|
*/
|
|
#define SDC_CMD8_PATTERN 0x000001AA
|
|
|
|
/**
|
|
* @name SD cart types
|
|
* @{
|
|
*/
|
|
#define SDC_MODE_CARDTYPE_MASK 0xF /**< @brief Card type mask. */
|
|
#define SDC_MODE_CARDTYPE_SDV11 0 /**< @brief Card is SD V1.1.*/
|
|
#define SDC_MODE_CARDTYPE_SDV20 1 /**< @brief Card is SD V2.0.*/
|
|
#define SDC_MODE_CARDTYPE_MMC 2 /**< @brief Card is MMC. */
|
|
#define SDC_MODE_HIGH_CAPACITY 0x10 /**< @brief High cap.card. */
|
|
/** @} */
|
|
|
|
/**
|
|
* @brief Mask of error bits in R1 responses.
|
|
*/
|
|
#define SDC_R1_ERROR_MASK 0xFDFFE008
|
|
|
|
#define SDC_STS_IDLE 0
|
|
#define SDC_STS_READY 1
|
|
#define SDC_STS_IDENT 2
|
|
#define SDC_STS_STBY 3
|
|
#define SDC_STS_TRAN 4
|
|
#define SDC_STS_DATA 5
|
|
#define SDC_STS_RCV 6
|
|
#define SDC_STS_PRG 7
|
|
#define SDC_STS_DIS 8
|
|
|
|
#define SDC_CMD_GO_IDLE_STATE 0
|
|
#define SDC_CMD_INIT 1
|
|
#define SDC_CMD_ALL_SEND_CID 2
|
|
#define SDC_CMD_SEND_RELATIVE_ADDR 3
|
|
#define SDC_CMD_SET_BUS_WIDTH 6
|
|
#define SDC_CMD_SEL_DESEL_CARD 7
|
|
#define SDC_CMD_SEND_IF_COND 8
|
|
#define SDC_CMD_SEND_CSD 9
|
|
#define SDC_CMD_STOP_TRANSMISSION 12
|
|
#define SDC_CMD_SEND_STATUS 13
|
|
#define SDC_CMD_SET_BLOCKLEN 16
|
|
#define SDC_CMD_READ_SINGLE_BLOCK 17
|
|
#define SDC_CMD_READ_MULTIPLE_BLOCK 18
|
|
#define SDC_CMD_SET_BLOCK_COUNT 23
|
|
#define SDC_CMD_WRITE_BLOCK 24
|
|
#define SDC_CMD_WRITE_MULTIPLE_BLOCK 25
|
|
#define SDC_CMD_APP_OP_COND 41
|
|
#define SDC_CMD_LOCK_UNLOCK 42
|
|
#define SDC_CMD_APP_CMD 55
|
|
|
|
/*===========================================================================*/
|
|
/* Driver pre-compile time settings. */
|
|
/*===========================================================================*/
|
|
|
|
/**
|
|
* @name SDC configuration options
|
|
* @{
|
|
*/
|
|
/**
|
|
* @brief Number of initialization attempts before rejecting the card.
|
|
* @note Attempts are performed at 10mS intevals.
|
|
*/
|
|
#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. */
|
|
/*===========================================================================*/
|
|
|
|
/**
|
|
* @brief Driver state machine possible states.
|
|
*/
|
|
typedef enum {
|
|
SDC_UNINIT = 0, /**< Not initialized. */
|
|
SDC_STOP = 1, /**< Stopped. */
|
|
SDC_READY = 2, /**< Ready. */
|
|
SDC_CONNECTING = 3, /**< Card connection in progress. */
|
|
SDC_DISCONNECTING = 4, /**< Card disconnection in progress. */
|
|
SDC_ACTIVE = 5, /**< Cart initialized. */
|
|
SDC_READING = 6, /**< Read operation in progress. */
|
|
SDC_WRITING = 7, /**< Write operation in progress. */
|
|
} sdcstate_t;
|
|
|
|
#include "sdc_lld.h"
|
|
|
|
/*===========================================================================*/
|
|
/* Driver macros. */
|
|
/*===========================================================================*/
|
|
|
|
/**
|
|
* @name R1 response utilities
|
|
* @{
|
|
*/
|
|
/**
|
|
* @brief Evaluates to @p TRUE if the R1 response contains error flags.
|
|
*
|
|
* @param[in] r1 the r1 response
|
|
*/
|
|
#define SDC_R1_ERROR(r1) (((r1) & SDC_R1_ERROR_MASK) != 0)
|
|
|
|
/**
|
|
* @brief Returns the status field of an R1 response.
|
|
*
|
|
* @param[in] r1 the r1 response
|
|
*/
|
|
#define SDC_R1_STS(r1) (((r1) >> 9) & 15)
|
|
|
|
/**
|
|
* @brief Evaluates to @p TRUE if the R1 response indicates a locked card.
|
|
*
|
|
* @param[in] r1 the r1 response
|
|
*/
|
|
#define SDC_R1_IS_CARD_LOCKED(r1) (((r1) >> 21) & 1)
|
|
/** @} */
|
|
|
|
/**
|
|
* @name Macro Functions
|
|
* @{
|
|
*/
|
|
/**
|
|
* @brief Returns the driver state.
|
|
*
|
|
* @param[in] sdcp pointer to the @p SDCDriver object
|
|
* @return The driver state.
|
|
*
|
|
* @api
|
|
*/
|
|
#define sdcGetDriverState(sdcp) ((sdcp)->state)
|
|
|
|
/**
|
|
* @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 card not inserted.
|
|
* @retval TRUE card inserted.
|
|
*
|
|
* @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_t sdcConnect(SDCDriver *sdcp);
|
|
bool_t sdcDisconnect(SDCDriver *sdcp);
|
|
bool_t sdcRead(SDCDriver *sdcp, uint32_t startblk,
|
|
uint8_t *buffer, uint32_t n);
|
|
bool_t sdcWrite(SDCDriver *sdcp, uint32_t startblk,
|
|
const uint8_t *buffer, uint32_t n);
|
|
bool_t _sdc_wait_for_transfer_state(SDCDriver *sdcp);
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* HAL_USE_SDC */
|
|
|
|
#endif /* _SDC_H_ */
|
|
|
|
/** @} */
|