302 lines
7.5 KiB
C
302 lines
7.5 KiB
C
/*
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* Copyright (c) 2015, Freescale Semiconductor, Inc.
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* Copyright 2016-2020 NXP
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* All rights reserved.
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*
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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/*-----------------------------------------------------------------------*/
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/* Low level disk I/O module skeleton for FatFs (C)ChaN, 2019 */
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/*-----------------------------------------------------------------------*/
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/* If a working storage control module is available, it should be */
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/* attached to the FatFs via a glue function rather than modifying it. */
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/* This is an example of glue functions to attach various exsisting */
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/* storage control modules to the FatFs module with a defined API. */
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/*-----------------------------------------------------------------------*/
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#include "ffconf.h" /* FatFs configuration options */
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#include "ff.h" /* Obtains integer types */
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#include "diskio.h" /* Declarations of disk functions */
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#ifdef RAM_DISK_ENABLE
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#include "fsl_ram_disk.h"
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#endif
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#ifdef USB_DISK_ENABLE
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#include "fsl_usb_disk.h"
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#endif
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#ifdef SD_DISK_ENABLE
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#include "fsl_sd_disk.h"
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#endif
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#ifdef MMC_DISK_ENABLE
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#include "fsl_mmc_disk.h"
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#endif
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#ifdef SDSPI_DISK_ENABLE
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#include "fsl_sdspi_disk.h"
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#endif
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#ifdef NAND_DISK_ENABLE
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#include "fsl_nand_disk.h"
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#endif
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/*-----------------------------------------------------------------------*/
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/* Get Drive Status */
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/*-----------------------------------------------------------------------*/
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DSTATUS disk_status (
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BYTE pdrv /* Physical drive nmuber to identify the drive */
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)
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{
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DSTATUS stat;
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switch (pdrv)
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{
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#ifdef RAM_DISK_ENABLE
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case RAMDISK:
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stat = ram_disk_status(pdrv);
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return stat;
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#endif
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#ifdef USB_DISK_ENABLE
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case USBDISK:
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stat = USB_HostMsdGetDiskStatus(pdrv);
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return stat;
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#endif
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#ifdef SD_DISK_ENABLE
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case SDDISK:
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stat = sd_disk_status(pdrv);
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return stat;
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#endif
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#ifdef MMC_DISK_ENABLE
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case MMCDISK:
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stat = mmc_disk_status(pdrv);
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return stat;
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#endif
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#ifdef SDSPI_DISK_ENABLE
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case SDSPIDISK:
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stat = sdspi_disk_status(pdrv);
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return stat;
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#endif
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#ifdef NAND_DISK_ENABLE
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case NANDDISK:
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stat = nand_disk_status(pdrv);
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return stat;
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#endif
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default:
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break;
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}
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return STA_NOINIT;
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}
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/*-----------------------------------------------------------------------*/
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/* Inidialize a Drive */
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/*-----------------------------------------------------------------------*/
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DSTATUS disk_initialize (
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BYTE pdrv /* Physical drive nmuber to identify the drive */
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)
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{
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DSTATUS stat;
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switch (pdrv)
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{
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#ifdef RAM_DISK_ENABLE
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case RAMDISK:
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stat = ram_disk_initialize(pdrv);
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return stat;
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#endif
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#ifdef USB_DISK_ENABLE
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case USBDISK:
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stat = USB_HostMsdInitializeDisk(pdrv);
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return stat;
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#endif
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#ifdef SD_DISK_ENABLE
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case SDDISK:
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stat = sd_disk_initialize(pdrv);
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return stat;
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#endif
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#ifdef MMC_DISK_ENABLE
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case MMCDISK:
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stat = mmc_disk_initialize(pdrv);
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return stat;
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#endif
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#ifdef SDSPI_DISK_ENABLE
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case SDSPIDISK:
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stat = sdspi_disk_initialize(pdrv);
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return stat;
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#endif
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#ifdef NAND_DISK_ENABLE
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case NANDDISK:
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stat = nand_disk_initialize(pdrv);
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return stat;
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#endif
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default:
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break;
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}
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return STA_NOINIT;
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}
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/*-----------------------------------------------------------------------*/
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/* Read Sector(s) */
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/*-----------------------------------------------------------------------*/
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DRESULT disk_read (
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BYTE pdrv, /* Physical drive nmuber to identify the drive */
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BYTE *buff, /* Data buffer to store read data */
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LBA_t sector, /* Start sector in LBA */
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UINT count /* Number of sectors to read */
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)
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{
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DRESULT res;
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switch (pdrv)
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{
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#ifdef RAM_DISK_ENABLE
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case RAMDISK:
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res = ram_disk_read(pdrv, buff, sector, count);
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return res;
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#endif
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#ifdef USB_DISK_ENABLE
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case USBDISK:
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res = USB_HostMsdReadDisk(pdrv, buff, sector, count);
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return res;
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#endif
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#ifdef SD_DISK_ENABLE
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case SDDISK:
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res = sd_disk_read(pdrv, buff, sector, count);
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return res;
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#endif
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#ifdef MMC_DISK_ENABLE
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case MMCDISK:
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res = mmc_disk_read(pdrv, buff, sector, count);
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return res;
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#endif
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#ifdef SDSPI_DISK_ENABLE
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case SDSPIDISK:
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res = sdspi_disk_read(pdrv, buff, sector, count);
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return res;
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#endif
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#ifdef NAND_DISK_ENABLE
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case NANDDISK:
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res = nand_disk_read(pdrv, buff, sector, count);
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return res;
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#endif
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default:
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break;
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}
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return RES_PARERR;
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}
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/*-----------------------------------------------------------------------*/
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/* Write Sector(s) */
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/*-----------------------------------------------------------------------*/
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#if FF_FS_READONLY == 0
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DRESULT disk_write (
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BYTE pdrv, /* Physical drive nmuber to identify the drive */
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const BYTE *buff, /* Data to be written */
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LBA_t sector, /* Start sector in LBA */
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UINT count /* Number of sectors to write */
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)
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{
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DRESULT res;
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switch (pdrv)
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{
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#ifdef RAM_DISK_ENABLE
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case RAMDISK:
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res = ram_disk_write(pdrv, buff, sector, count);
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return res;
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#endif
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#ifdef USB_DISK_ENABLE
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case USBDISK:
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res = USB_HostMsdWriteDisk(pdrv, buff, sector, count);
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return res;
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#endif
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#ifdef SD_DISK_ENABLE
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case SDDISK:
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res = sd_disk_write(pdrv, buff, sector, count);
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return res;
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#endif
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#ifdef MMC_DISK_ENABLE
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case MMCDISK:
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res = mmc_disk_write(pdrv, buff, sector, count);
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return res;
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#endif
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#ifdef SDSPI_DISK_ENABLE
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case SDSPIDISK:
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res = sdspi_disk_write(pdrv, buff, sector, count);
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return res;
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#endif
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#ifdef NAND_DISK_ENABLE
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case NANDDISK:
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res = nand_disk_write(pdrv, buff, sector, count);
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return res;
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#endif
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default:
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break;
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}
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return RES_PARERR;
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}
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#endif
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/*-----------------------------------------------------------------------*/
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/* Miscellaneous Functions */
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/*-----------------------------------------------------------------------*/
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DRESULT disk_ioctl (
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BYTE pdrv, /* Physical drive nmuber (0..) */
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BYTE cmd, /* Control code */
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void *buff /* Buffer to send/receive control data */
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)
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{
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DRESULT res;
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switch (pdrv)
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{
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#ifdef RAM_DISK_ENABLE
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case RAMDISK:
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res = ram_disk_ioctl(pdrv, cmd, buff);
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return res;
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#endif
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#ifdef USB_DISK_ENABLE
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case USBDISK:
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res = USB_HostMsdIoctlDisk(pdrv, cmd, buff);
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return res;
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#endif
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#ifdef SD_DISK_ENABLE
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case SDDISK:
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res = sd_disk_ioctl(pdrv, cmd, buff);
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return res;
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#endif
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#ifdef MMC_DISK_ENABLE
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case MMCDISK:
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res = mmc_disk_ioctl(pdrv, cmd, buff);
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return res;
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#endif
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#ifdef SDSPI_DISK_ENABLE
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case SDSPIDISK:
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res = sdspi_disk_ioctl(pdrv, cmd, buff);
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return res;
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#endif
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#ifdef NAND_DISK_ENABLE
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case NANDDISK:
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res = nand_disk_ioctl(pdrv, cmd, buff);
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return res;
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#endif
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default:
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break;
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}
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return RES_PARERR;
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}
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