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cleanup sdmmc <-> fatfs glue
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bushing
parent
abb179e675
commit
f806abdac2
2
crypto.c
2
crypto.c
@ -3,7 +3,7 @@
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crypto support
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Copyright (C) 2008, 2009 Haxx Enterprises
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Copyright (C) 2008, 2009 Haxx Enterprises <bushing@gmail.com>
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Copyright (C) 2008, 2009 Sven Peter <svenpeter@gmail.com>
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This program is free software; you can redistribute it and/or modify
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107
diskio.c
107
diskio.c
@ -1,29 +1,39 @@
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/*-----------------------------------------------------------------------*/
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/* Low level disk I/O module skeleton for FatFs (C)ChaN, 2007 */
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/*-----------------------------------------------------------------------*/
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/* This is a stub disk I/O module that acts as front end of the existing */
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/* disk I/O modules and attach it to FatFs module with common interface. */
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/*-----------------------------------------------------------------------*/
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/*
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mini - a Free Software replacement for the Nintendo/BroadOn IOS.
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glue layer for FatFs
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Copyright (C) 2008, 2009 Sven Peter <svenpeter@gmail.com>
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Copyright (C) 2008, 2009 Haxx Enterprises <bushing@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, version 2.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "diskio.h"
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#include "string.h"
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#include "sdmmc.h"
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//#include "sdhc.h"
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#ifndef MEM2_BSS
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#define MEM2_BSS
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#endif
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//static sdhci_t sdhci;
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static u8 buffer[512] MEM2_BSS ALIGNED(32);
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/*-----------------------------------------------------------------------*/
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/* Inidialize a Drive */
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// Initialize a Drive
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DSTATUS disk_initialize (
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BYTE drv /* Physical drive nmuber (0..) */
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)
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{
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DSTATUS disk_initialize (BYTE drv) {
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if (sdmmc_check_card(SDMMC_DEFAULT_DEVICE) == SDMMC_NO_CARD)
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return STA_NOINIT;
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@ -33,16 +43,9 @@ DSTATUS disk_initialize (
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/*-----------------------------------------------------------------------*/
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/* Return Disk Status */
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DSTATUS disk_status (
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BYTE drv /* Physical drive nmuber (0..) */
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)
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{
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// if (sd_inserted(&sdhci) == 0)
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// return STA_NODISK;
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// Return Disk Status
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DSTATUS disk_status (BYTE drv) {
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if (sdmmc_check_card(SDMMC_DEFAULT_DEVICE) == SDMMC_INSERTED)
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return 0;
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else
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@ -51,76 +54,44 @@ DSTATUS disk_status (
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/*-----------------------------------------------------------------------*/
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/* Read Sector(s) */
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// Read Sector(s)
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DRESULT disk_read (
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BYTE drv, /* Physical drive nmuber (0..) */
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BYTE *buff, /* Data buffer to store read data */
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DWORD sector, /* Sector address (LBA) */
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BYTE count /* Number of sectors to read (1..255) */
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)
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{
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DRESULT disk_read (BYTE drv, BYTE *buff, DWORD sector, BYTE count) {
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int i;
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DRESULT res;
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res = RES_OK;
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for (i = 0; i < count; i++) {
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if (sdmmc_read(SDMMC_DEFAULT_DEVICE, sector+i, 1, buffer) != 0){
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res = RES_ERROR;
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break;
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}
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if (sdmmc_read(SDMMC_DEFAULT_DEVICE, sector+i, 1, buffer) != 0)
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return RES_ERROR;
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memcpy(buff + i * 512, buffer, 512);
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}
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return res;
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return RES_OK;
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}
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/*-----------------------------------------------------------------------*/
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/* Write Sector(s) */
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// Write Sector(s)
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#if _READONLY == 0
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DRESULT disk_write (
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BYTE drv, /* Physical drive nmuber (0..) */
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const BYTE *buff, /* Data to be written */
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DWORD sector, /* Sector address (LBA) */
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BYTE count /* Number of sectors to write (1..255) */
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)
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{
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DRESULT disk_write (BYTE drv, const BYTE *buff, DWORD sector, BYTE count) {
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int i;
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DRESULT res;
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res = RES_OK;
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for (i = 0; i < count; i++) {
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memcpy(buffer, buff + i * 512, 512);
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/* if(sd_write(&sdhci, sector + i, 1, buffer) != 0) {
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res = RES_ERROR;
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break;
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}*/
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if(sdmmc_write(SDMMC_DEFAULT_DEVICE, sector + i, 1, buffer) != 0)
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return RES_ERROR;
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}
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return res;
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return RES_OK;
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}
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#endif /* _READONLY */
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/*-----------------------------------------------------------------------*/
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/* Miscellaneous Functions */
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DRESULT disk_ioctl (
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BYTE drv, /* Physical drive nmuber (0..) */
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BYTE ctrl, /* 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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#if _USE_IOCTL == 1
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DRESULT disk_ioctl (BYTE drv, BYTE ctrl, void *buff) {
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if (ctrl == CTRL_SYNC)
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return RES_OK;
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return RES_PARERR;
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}
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#endif /* _USE_IOCTL */
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45
diskio.h
45
diskio.h
@ -1,6 +1,19 @@
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/*-----------------------------------------------------------------------
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/ Low level disk interface modlue include file R0.07 (C)ChaN, 2009
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/-----------------------------------------------------------------------*/
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/-----------------------------------------------------------------------
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/ FatFs module is an open source project to implement FAT file system to small
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/ embedded systems. It is opened for education, research and development under
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/ license policy of following trems.
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/
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/ Copyright (C) 2009, ChaN, all right reserved.
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/
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/ * The FatFs module is a free software and there is no warranty.
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/ * You can use, modify and/or redistribute it for personal, non-profit or
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/ commercial use without any restriction under your responsibility.
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/ * Redistributions of source code must retain the above copyright notice.
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/
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/----------------------------------------------------------------------------*/
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// original source: http://elm-chan.org/fsw/ff/00index_e.html
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#ifndef _DISKIO
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@ -9,7 +22,6 @@
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#include "integer.h"
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/* Status of Disk Functions */
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typedef BYTE DSTATUS;
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@ -26,15 +38,15 @@ typedef enum {
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/*---------------------------------------*/
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/* Prototypes for disk control functions */
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BOOL assign_drives (int argc, char *argv[]);
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DSTATUS disk_initialize (BYTE);
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DSTATUS disk_status (BYTE);
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DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE);
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#if _READONLY == 0
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DRESULT disk_write (BYTE, const BYTE*, DWORD, BYTE);
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#endif
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#if _USE_IOCTL == 1
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DRESULT disk_ioctl (BYTE, BYTE, void*);
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#endif
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/* Disk Status Bits (DSTATUS) */
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@ -44,27 +56,10 @@ DRESULT disk_ioctl (BYTE, BYTE, void*);
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#define STA_PROTECT 0x04 /* Write protected */
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/* Command code for disk_ioctrl() */
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/* Generic command */
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#define CTRL_SYNC 0 /* Mandatory for write functions */
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#define GET_SECTOR_COUNT 1 /* Mandatory for only f_mkfs() */
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#define GET_SECTOR_SIZE 2
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#define GET_BLOCK_SIZE 3 /* Mandatory for only f_mkfs() */
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#define CTRL_POWER 4
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#define CTRL_LOCK 5
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#define CTRL_EJECT 6
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/* MMC/SDC command */
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#define MMC_GET_TYPE 10
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#define MMC_GET_CSD 11
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#define MMC_GET_CID 12
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#define MMC_GET_OCR 13
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#define MMC_GET_SDSTAT 14
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/* ATA/CF command */
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#define ATA_GET_REV 20
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#define ATA_GET_MODEL 21
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#define ATA_GET_SN 22
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#if _USE_IOCTL == 1
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/* Command code for disk_ioctl() */
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#define CTRL_SYNC 0 /* Mandatory for write functions */
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#endif
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#define _DISKIO
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#endif
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