flipperzero-firmware/firmware/targets/f7/fatfs/stm32_adafruit_sd.h

/**
  ******************************************************************************
  * @file    stm32_adafruit_sd.h
  * @author  MCD Application Team
  * @version V3.0.0
  * @date    23-December-2016
  * @brief   This file contains the common defines and functions prototypes for
  *          the stm32_adafruit_sd.c driver.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  *   1. Redistributions of source code must retain the above copyright notice,
  *      this list of conditions and the following disclaimer.
  *   2. Redistributions in binary form must reproduce the above copyright notice,
  *      this list of conditions and the following disclaimer in the documentation
  *      and/or other materials provided with the distribution.
  *   3. Neither the name of STMicroelectronics nor the names of its contributors
  *      may be used to endorse or promote products derived from this software
  *      without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
  */

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32_ADAFRUIT_SD_H
#define __STM32_ADAFRUIT_SD_H

#ifdef __cplusplus
extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include <stdint.h>
#include <stdbool.h>

/** @addtogroup BSP
  * @{
  */
#define __IO volatile

/** @addtogroup STM32_ADAFRUIT
  * @{
  */

/** @defgroup STM32_ADAFRUIT_SD
  * @{
  */

/** @defgroup STM32_ADAFRUIT_SD_Exported_Types
  * @{
  */

/** 
  * @brief  SD status structure definition  
  */
enum { BSP_SD_OK = 0x00, MSD_OK = 0x00, BSP_SD_ERROR = 0x01, BSP_SD_TIMEOUT };

typedef struct {
    uint8_t Reserved1 : 2; /* Reserved */
    uint16_t DeviceSize : 12; /* Device Size */
    uint8_t MaxRdCurrentVDDMin : 3; /* Max. read current @ VDD min */
    uint8_t MaxRdCurrentVDDMax : 3; /* Max. read current @ VDD max */
    uint8_t MaxWrCurrentVDDMin : 3; /* Max. write current @ VDD min */
    uint8_t MaxWrCurrentVDDMax : 3; /* Max. write current @ VDD max */
    uint8_t DeviceSizeMul : 3; /* Device size multiplier */
} struct_v1;

typedef struct {
    uint8_t Reserved1 : 6; /* Reserved */
    uint32_t DeviceSize : 22; /* Device Size */
    uint8_t Reserved2 : 1; /* Reserved */
} struct_v2;

/** 
  * @brief  Card Specific Data: CSD Register
  */
typedef struct {
    /* Header part */
    uint8_t CSDStruct : 2; /* CSD structure */
    uint8_t Reserved1 : 6; /* Reserved */
    uint8_t TAAC : 8; /* Data read access-time 1 */
    uint8_t NSAC : 8; /* Data read access-time 2 in CLK cycles */
    uint8_t MaxBusClkFrec : 8; /* Max. bus clock frequency */
    uint16_t CardComdClasses : 12; /* Card command classes */
    uint8_t RdBlockLen : 4; /* Max. read data block length */
    uint8_t PartBlockRead : 1; /* Partial blocks for read allowed */
    uint8_t WrBlockMisalign : 1; /* Write block misalignment */
    uint8_t RdBlockMisalign : 1; /* Read block misalignment */
    uint8_t DSRImpl : 1; /* DSR implemented */

    /* v1 or v2 struct */
    union csd_version {
        struct_v1 v1;
        struct_v2 v2;
    } version;

    uint8_t EraseSingleBlockEnable : 1; /* Erase single block enable */
    uint8_t EraseSectorSize : 7; /* Erase group size multiplier */
    uint8_t WrProtectGrSize : 7; /* Write protect group size */
    uint8_t WrProtectGrEnable : 1; /* Write protect group enable */
    uint8_t Reserved2 : 2; /* Reserved */
    uint8_t WrSpeedFact : 3; /* Write speed factor */
    uint8_t MaxWrBlockLen : 4; /* Max. write data block length */
    uint8_t WriteBlockPartial : 1; /* Partial blocks for write allowed */
    uint8_t Reserved3 : 5; /* Reserved */
    uint8_t FileFormatGrouop : 1; /* File format group */
    uint8_t CopyFlag : 1; /* Copy flag (OTP) */
    uint8_t PermWrProtect : 1; /* Permanent write protection */
    uint8_t TempWrProtect : 1; /* Temporary write protection */
    uint8_t FileFormat : 2; /* File Format */
    uint8_t Reserved4 : 2; /* Reserved */
    uint8_t crc : 7; /* Reserved */
    uint8_t Reserved5 : 1; /* always 1*/

} SD_CSD;

/** 
  * @brief  Card Identification Data: CID Register   
  */
typedef struct {
    __IO uint8_t ManufacturerID; /* ManufacturerID */
    __IO uint16_t OEM_AppliID; /* OEM/Application ID */
    __IO uint32_t ProdName1; /* Product Name part1 */
    __IO uint8_t ProdName2; /* Product Name part2*/
    __IO uint8_t ProdRev; /* Product Revision */
    __IO uint32_t ProdSN; /* Product Serial Number */
    __IO uint8_t Reserved1; /* Reserved1 */
    __IO uint16_t ManufactDate; /* Manufacturing Date */
    __IO uint8_t CID_CRC; /* CID CRC */
    __IO uint8_t Reserved2; /* always 1 */
} SD_CID;

/** 
  * @brief SD Card information 
  */
typedef struct {
    SD_CSD Csd;
    SD_CID Cid;
    uint64_t CardCapacity; /*!< Card Capacity */
    uint32_t CardBlockSize; /*!< Card Block Size */
    uint32_t LogBlockNbr; /*!< Specifies the Card logical Capacity in blocks   */
    uint32_t LogBlockSize; /*!< Specifies logical block size in bytes           */
} SD_CardInfo;

/**
  * @}
  */

/** @defgroup STM32_ADAFRUIT_SPI_SD_Exported_Constants
  * @{
  */

/**
  * @brief  Block Size
  */
#define SD_BLOCK_SIZE 0x200

/**
  * @brief  SD detection on its memory slot
  */
#define SD_PRESENT ((uint8_t)0x01)
#define SD_NOT_PRESENT ((uint8_t)0x00)

#define SD_DATATIMEOUT ((uint32_t)100000000)

/** 
  * @brief SD Card information structure 
  */
#define BSP_SD_CardInfo SD_CardInfo

/**
  * @}
  */

/** @defgroup STM32_ADAFRUIT_SD_Exported_Macro
  * @{
  */

/**
  * @}
  */

/** @defgroup STM32_ADAFRUIT_SD_Exported_Functions
  * @{
  */
uint8_t BSP_SD_Init(bool reset_card);
uint8_t
    BSP_SD_ReadBlocks(uint32_t* pData, uint32_t ReadAddr, uint32_t NumOfBlocks, uint32_t Timeout);
uint8_t
    BSP_SD_WriteBlocks(uint32_t* pData, uint32_t WriteAddr, uint32_t NumOfBlocks, uint32_t Timeout);
uint8_t BSP_SD_Erase(uint32_t StartAddr, uint32_t EndAddr);
uint8_t BSP_SD_GetCardState(void);
uint8_t BSP_SD_GetCardInfo(SD_CardInfo* pCardInfo);

/* Link functions for SD Card peripheral*/
void SD_SPI_Slow_Init(void);
void SD_SPI_Fast_Init(void);
void SD_IO_Init(void);
void SD_IO_CSState(uint8_t state);
void SD_IO_WriteReadData(const uint8_t* DataIn, uint8_t* DataOut, uint16_t DataLength);
uint8_t SD_IO_WriteByte(uint8_t Data);

/* Link function for HAL delay */
void HAL_Delay(__IO uint32_t Delay);

#ifdef __cplusplus
}
#endif

#endif /* __STM32_ADAFRUIT_SD_H */

/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/