/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file user_diskio.c
* @brief This file includes a diskio driver skeleton to be completed by the user.
******************************************************************************
* @attention
*
* © Copyright (c) 2019 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under Ultimate Liberty license
* SLA0044, the "License"; You may not use this file except in compliance with
* the License. You may obtain a copy of the License at:
* www.st.com/SLA0044
*
******************************************************************************
*/
/* USER CODE END Header */
#ifdef USE_OBSOLETE_W25Q_CODE_SECTION_0
/*
* Warning: the user section 0 is no more in use (starting from CubeMx version 4.16.0)
* To be suppressed in the future.
* Kept to ensure backward compatibility with previous CubeMx versions when
* migrating projects.
* User code previously added there should be copied in the new user sections before
* the section contents can be deleted.
*/
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
#endif
/* USER CODE BEGIN DECL */
/* Includes ------------------------------------------------------------------*/
#include
#include "ff_gen_drv.h"
#include "obj_spi_sd_stm32.h"
#include "obj_spi_w25qxx.h"
#include "obj_hal_w25qxx.h"
#include "obj_soft_w25qxx.h"
#include "func_spi_w25qxx.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#define SD_CARD 0 //SD卡,卷标为0
#define EX_FLASH 1 //外部spi flash,卷标为1
#define EX_NAND 2 //外部nand flash,卷标为2
//对于W25Q128
//#define FLASH_SECTOR_SIZE 512
//#define FLASH_SECTOR_COUNT 1024*16*2 //W25Q256,前25M字节给FATFS占用
//#define FLASH_BLOCK_SIZE 8 //每个BLOCK有8个扇区
/* Private variables ---------------------------------------------------------*/
/* Disk status */
static volatile DSTATUS Stat = STA_NOINIT;
/* USER CODE END DECL */
/* Private function prototypes -----------------------------------------------*/
DSTATUS W25Q_initialize (BYTE pdrv);
DSTATUS W25Q_status (BYTE pdrv);
DRESULT W25Q_read (BYTE pdrv, BYTE *buff, DWORD sector, UINT count);
#if _USE_WRITE == 1
DRESULT W25Q_write (BYTE pdrv, const BYTE *buff, DWORD sector, UINT count);
#endif /* _USE_WRITE == 1 */
#if _USE_IOCTL == 1
DRESULT W25Q_ioctl (BYTE pdrv, BYTE cmd, void *buff);
#endif /* _USE_IOCTL == 1 */
Diskio_drvTypeDef W25Q_Driver =
{
W25Q_initialize,
W25Q_status,
W25Q_read,
#if _USE_WRITE
W25Q_write,
#endif /* _USE_WRITE == 1 */
#if _USE_IOCTL == 1
W25Q_ioctl,
#endif /* _USE_IOCTL == 1 */
};
/* Private functions ---------------------------------------------------------*/
/**
* @brief Initializes a Drive
* @param pdrv: Physical drive number (0..)
* @retval DSTATUS: Operation status
*/
DSTATUS W25Q_initialize (
BYTE pdrv /* Physical drive nmuber to identify the drive */
)
{
/* USER CODE BEGIN INIT */
uint8_t res=0;
func_w25q_init(); //W25QXX初始化
if(res)
{
return STA_NOINIT;
}
else
{
return 0; //初始化成功
}
/* USER CODE END INIT */
}
/**
* @brief Gets Disk Status
* @param pdrv: Physical drive number (0..)
* @retval DSTATUS: Operation status
*/
DSTATUS W25Q_status (
BYTE pdrv /* Physical drive number to identify the drive */
)
{
/* USER CODE BEGIN STATUS */
uint8_t res=0;
if(res)
{
return STA_NOINIT;
}
else
{
return 0;
}
/* USER CODE END STATUS */
}
//uint8_t data_buf[3][0x1000] = {0};
/**
* @brief Reads Sector(s)
* @param pdrv: Physical drive number (0..)
* @param *buff: Data buffer to store read data
* @param sector: Sector address (LBA)
* @param count: Number of sectors to read (1..128)
* @retval DRESULT: Operation result
*/
DRESULT W25Q_read (
BYTE pdrv, /* Physical drive nmuber to identify the drive */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address in LBA */
UINT count /* Number of sectors to read */
)
{
uint8_t res=0;
if (!count)return RES_PARERR;//count不能等于0，否则返回参数错误
W25QXX_Read(buff, sector * SPI_FLASH_SECTOR_SIZE, count * SPI_FLASH_SECTOR_SIZE);
//处理返回值，将SPI_SD_driver.c的返回值转成ff.c的返回值
if(res==0x00)return RES_OK;
else return RES_ERROR;
}
/**
* @brief Writes Sector(s)
* @param pdrv: Physical drive number (0..)
* @param *buff: Data to be written
* @param sector: Sector address (LBA)
* @param count: Number of sectors to write (1..128)
* @retval DRESULT: Operation result
*/
#if _USE_WRITE == 1
DRESULT W25Q_write (
BYTE pdrv, /* Physical drive nmuber to identify the drive */
const BYTE *buff, /* Data to be written */
DWORD sector, /* Sector address in LBA */
UINT count /* Number of sectors to write */
)
{
/* USER CODE BEGIN WRITE */
/* USER CODE HERE */
uint8_t res=0;
if (!count)return RES_PARERR;//count不能等于0，否则返回参数错误
W25QXX_Write((uint8_t*)buff, sector * SPI_FLASH_SECTOR_SIZE, count * SPI_FLASH_SECTOR_SIZE);
//处理返回值，将SPI_SD_driver.c的返回值转成ff.c的返回值
if(res == 0x00)
{
return RES_OK;
}
else
{
return RES_ERROR;
}
/* USER CODE END WRITE */
}
#endif /* _USE_WRITE == 1 */
/**
* @brief I/O control operation
* @param pdrv: Physical drive number (0..)
* @param cmd: Control code
* @param *buff: Buffer to send/receive control data
* @retval DRESULT: Operation result
*/
#if _USE_IOCTL == 1
DRESULT W25Q_ioctl (
BYTE pdrv, /* Physical drive nmuber (0..) */
BYTE cmd, /* Control code */
void *buff /* Buffer to send/receive control data */
)
{
/* USER CODE BEGIN IOCTL */
uint8_t res=RES_OK;
res = func_w25q_disk_ioctl(pdrv, cmd, buff);
//处理返回值，将SPI_SD_driver.c的返回值转成ff.c的返回值
if(res == 0x00)
{
return RES_OK;
}
else
{
return RES_ERROR;
}
/* USER CODE END IOCTL */
}
#endif /* _USE_IOCTL == 1 */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/