tinySA/os/hal/include/mmcsd.h

161 lines
5.2 KiB
C

/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011,2012 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 mmcsd.h
* @brief MMC/SD cards header.
*
* @addtogroup MMCSD
* @{
*/
#ifndef _MMCSD_H_
#define _MMCSD_H_
#if HAL_USE_MMC_SPI || HAL_USE_SDC || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/**
* @brief Fixed block size for MMC/SD block devices.
*/
#define SDMMC_BLOCK_SIZE 512
/**
* @brief Mask of error bits in R1 responses.
*/
#define SDMMC_R1_ERROR_MASK 0xFDFFE008
/**
* @brief Fixed pattern for CMD8.
*/
#define SDMMC_CMD8_PATTERN 0x000001AA
/**
* @name SD/MMC status conditions
* @{
*/
#define SDMMC_STS_IDLE 0
#define SDMMC_STS_READY 1
#define SDMMC_STS_IDENT 2
#define SDMMC_STS_STBY 3
#define SDMMC_STS_TRAN 4
#define SDMMC_STS_DATA 5
#define SDMMC_STS_RCV 6
#define SDMMC_STS_PRG 7
#define SDMMC_STS_DIS 8
/** @} */
/**
* @name SD/MMC commands
* @{
*/
#define SDMMC_CMD_GO_IDLE_STATE 0
#define SDMMC_CMD_INIT 1
#define SDMMC_CMD_ALL_SEND_CID 2
#define SDMMC_CMD_SEND_RELATIVE_ADDR 3
#define SDMMC_CMD_SET_BUS_WIDTH 6
#define SDMMC_CMD_SEL_DESEL_CARD 7
#define SDMMC_CMD_SEND_IF_COND 8
#define SDMMC_CMD_SEND_CSD 9
#define SDMMC_CMD_STOP_TRANSMISSION 12
#define SDMMC_CMD_SEND_STATUS 13
#define SDMMC_CMD_SET_BLOCKLEN 16
#define SDMMC_CMD_READ_SINGLE_BLOCK 17
#define SDMMC_CMD_READ_MULTIPLE_BLOCK 18
#define SDMMC_CMD_SET_BLOCK_COUNT 23
#define SDMMC_CMD_WRITE_BLOCK 24
#define SDMMC_CMD_WRITE_MULTIPLE_BLOCK 25
#define SDMMC_CMD_APP_OP_COND 41
#define SDMMC_CMD_LOCK_UNLOCK 42
#define SDMMC_CMD_APP_CMD 55
#define SDMMC_CMD_READ_OCR 58
/** @} */
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/**
* @brief @p MMCSDBlockDevice specific methods.
*/
#define _mmcsd_block_device_methods \
_base_block_device_methods
/**
* @brief @p MMCSDBlockDevice specific data.
* @note It is empty because @p MMCSDBlockDevice is only an interface
* without implementation.
*/
#define _mmcsd_block_device_data \
_base_block_device_data
/**
* @extends BaseBlockDeviceVMT
*
* @brief @p MMCSDBlockDevice virtual methods table.
*/
struct MMCSDBlockDeviceVMT {
_base_block_device_methods
};
/**
* @extends BaseBlockDevice
*
* @brief MCC/SD block device class.
* @details This class represents a, block-accessible, MMC/SD device.
*/
typedef struct {
/** @brief Virtual Methods Table.*/
const struct MMCSDBlockDeviceVMT *vmt;
_mmcsd_block_device_data
} MMCSDBlockDevice;
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
#ifdef __cplusplus
}
#endif
#endif /* HAL_USE_MMC_SPI || HAL_USE_MMC_SDC*/
#endif /* _MMCSD_H_ */
/** @} */