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authorDamien George2014-12-20 21:15:16 +0000
committerDamien George2014-12-27 17:36:16 +0000
commit20236a8a990cae729bca1f7a4e0d619e92a5e37d (patch)
treef69bbda4935e7d56ed6cbc7d6d401bc023993b34 /stmhal/fatfs/src/drivers/sdram_diskio.c
parent6b755d827ac96fab8649f35b0e3508a28106c532 (diff)
stmhal: Upgrade to latest fatfs driver.
Diffstat (limited to 'stmhal/fatfs/src/drivers/sdram_diskio.c')
-rw-r--r--stmhal/fatfs/src/drivers/sdram_diskio.c187
1 files changed, 0 insertions, 187 deletions
diff --git a/stmhal/fatfs/src/drivers/sdram_diskio.c b/stmhal/fatfs/src/drivers/sdram_diskio.c
deleted file mode 100644
index 4ae0c8a64..000000000
--- a/stmhal/fatfs/src/drivers/sdram_diskio.c
+++ /dev/null
@@ -1,187 +0,0 @@
-/**
- ******************************************************************************
- * @file sdram_diskio.c
- * @author MCD Application Team
- * @version V1.0.0
- * @date 18-February-2014
- * @brief SDRAM Disk I/O driver
- ******************************************************************************
- * @attention
- *
- * <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
- *
- * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
- * You may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.st.com/software_license_agreement_liberty_v2
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- ******************************************************************************
- */
-
-/* Includes ------------------------------------------------------------------*/
-#include <string.h>
-#include "ff_gen_drv.h"
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-/* Block Size in Bytes */
-#define BLOCK_SIZE 512
-
-/* Private variables ---------------------------------------------------------*/
-/* Disk status */
-static volatile DSTATUS Stat = STA_NOINIT;
-
-/* Private function prototypes -----------------------------------------------*/
-DSTATUS SDRAMDISK_initialize (void);
-DSTATUS SDRAMDISK_status (void);
-DRESULT SDRAMDISK_read (BYTE*, DWORD, BYTE);
-#if _USE_WRITE == 1
- DRESULT SDRAMDISK_write (const BYTE*, DWORD, BYTE);
-#endif /* _USE_WRITE == 1 */
-#if _USE_IOCTL == 1
- DRESULT SDRAMDISK_ioctl (BYTE, void*);
-#endif /* _USE_IOCTL == 1 */
-
-Diskio_drvTypeDef SDRAMDISK_Driver =
-{
- SDRAMDISK_initialize,
- SDRAMDISK_status,
- SDRAMDISK_read,
-#if _USE_WRITE
- SDRAMDISK_write,
-#endif /* _USE_WRITE == 1 */
-#if _USE_IOCTL == 1
- SDRAMDISK_ioctl,
-#endif /* _USE_IOCTL == 1 */
-};
-
-/* Private functions ---------------------------------------------------------*/
-
-/**
- * @brief Initializes a Drive
- * @param None
- * @retval DSTATUS: Operation status
- */
-DSTATUS SDRAMDISK_initialize(void)
-{
- Stat = STA_NOINIT;
-
- /* Configure the SDRAM device */
- BSP_SDRAM_Init();
-
- Stat &= ~STA_NOINIT;
- return Stat;
-}
-
-/**
- * @brief Gets Disk Status
- * @param None
- * @retval DSTATUS: Operation status
- */
-DSTATUS SDRAMDISK_status(void)
-{
- Stat = STA_NOINIT;
-
- Stat &= ~STA_NOINIT;
-
- return Stat;
-}
-
-/**
- * @brief Reads Sector(s)
- * @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 SDRAMDISK_read(BYTE *buff, DWORD sector, BYTE count)
-{
- uint32_t *pSrcBuffer = (uint32_t *)buff;
- uint32_t BufferSize = (BLOCK_SIZE * count)/4;
- uint32_t *pSdramAddress = (uint32_t *) (SDRAM_DEVICE_ADDR + (sector * BLOCK_SIZE));
-
- for(; BufferSize != 0; BufferSize--)
- {
- *pSrcBuffer++ = *(__IO uint32_t *)pSdramAddress++;
- }
-
- return RES_OK;
-}
-
-/**
- * @brief Writes Sector(s)
- * @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 SDRAMDISK_write(const BYTE *buff, DWORD sector, BYTE count)
-{
- uint32_t *pDstBuffer = (uint32_t *)buff;
- uint32_t BufferSize = (BLOCK_SIZE * count)/4 + count;
- uint32_t *pSramAddress = (uint32_t *) (SDRAM_DEVICE_ADDR + (sector * BLOCK_SIZE));
-
- for(; BufferSize != 0; BufferSize--)
- {
- *(__IO uint32_t *)pSramAddress++ = *pDstBuffer++;
- }
-
- return RES_OK;
-}
-#endif /* _USE_WRITE == 1 */
-
-/**
- * @brief I/O control operation
- * @param cmd: Control code
- * @param *buff: Buffer to send/receive control data
- * @retval DRESULT: Operation result
- */
-#if _USE_IOCTL == 1
-DRESULT SDRAMDISK_ioctl(BYTE cmd, void *buff)
-{
- DRESULT res = RES_ERROR;
-
- if (Stat & STA_NOINIT) return RES_NOTRDY;
-
- switch (cmd)
- {
- /* Make sure that no pending write process */
- case CTRL_SYNC :
- res = RES_OK;
- break;
-
- /* Get number of sectors on the disk (DWORD) */
- case GET_SECTOR_COUNT :
- *(DWORD*)buff = SDRAM_DEVICE_SIZE / BLOCK_SIZE;
- res = RES_OK;
- break;
-
- /* Get R/W sector size (WORD) */
- case GET_SECTOR_SIZE :
- *(WORD*)buff = BLOCK_SIZE;
- res = RES_OK;
- break;
-
- /* Get erase block size in unit of sector (DWORD) */
- case GET_BLOCK_SIZE :
- *(DWORD*)buff = BLOCK_SIZE;
- break;
-
- default:
- res = RES_PARERR;
- }
-
- return res;
-}
-#endif /* _USE_IOCTL == 1 */
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
-