FatFS working #9

some main functions converted to use it
mp3 converted to use it

inc/ffconf.h

@@ -68,7 +68,7 @@
 / Locale and Namespace Configurations
 /---------------------------------------------------------------------------*/
 
-#define FF_CODE_PAGE	932
+#define FF_CODE_PAGE	437
 /* This option specifies the OEM code page to be used on the target system.
 /  Incorrect code page setting can cause a file open failure.
 /
@@ -97,7 +97,7 @@
 */
 
 
-#define FF_USE_LFN		0
+#define FF_USE_LFN		1
 #define FF_MAX_LFN		255
 /* The FF_USE_LFN switches the support for LFN (long file name).
 /
@@ -210,7 +210,7 @@
 /  buffer in the filesystem object (FATFS) is used for the file data transfer. */
 
 
-#define FF_FS_EXFAT		0
+#define FF_FS_EXFAT		1
 /* This option switches support for exFAT filesystem. (0:Disable or 1:Enable)
 /  When enable exFAT, also LFN needs to be enabled.
 /  Note that enabling exFAT discards ANSI C (C89) compatibility. */

src/diskio.c

@@ -253,26 +253,40 @@ DRESULT disk_ioctl (
 )
 {
 	DRESULT res;
-	int result;
+	// int result;
 
-	switch (pdrv) {
+	// switch (pdrv) {
-	case DEV_RAM :
+	// case DEV_RAM :
 
-		// Process of the command for the RAM drive
+	// 	// Process of the command for the RAM drive
 
-		return res;
+	// 	return res;
 
-	case DEV_MMC :
+	// case DEV_MMC :
 
-		// Process of the command for the MMC/SD card
+	// 	// Process of the command for the MMC/SD card
 
-		return res;
+	// 	return res;
 
-	case DEV_USB :
+	// case DEV_USB :
 
-		// Process of the command the USB drive
+	// 	// Process of the command the USB drive
 
-		return res;
+	// 	return res;
+	// }
+
+	switch (cmd) {
+		case CTRL_SYNC:
+			return RES_OK;
+		case GET_SECTOR_SIZE:
+			*(WORD*)buff = 512;
+			return RES_OK;
+		case GET_SECTOR_COUNT:
+			//*(DWORD*)buff = sdGetSectors();
+			return RES_OK;
+		case GET_BLOCK_SIZE:
+			//*(DWORD*)buff = sdGetBlockSize();
+			return RES_OK;
 		}
 
 	return RES_PARERR;
@@ -280,6 +294,7 @@ DRESULT disk_ioctl (
 
 DWORD get_fattime (void)
 {
+	//TODO: can we use the V3 RTC?
 	return 0;
 }
 

src/main.c

@@ -21,8 +21,8 @@
 
 //filesystem
 #include "sd.h"
+#include "ff.h"
 #include "fat_old.h"
-
 //utils
 #include "utils.h"
 
@@ -144,6 +144,8 @@ u8 empty = 0;
 u8 playing = 0;
 u8 gb_load_y = 0;
 
+FATFS *fs;
+
 //start with filebrowser menu key settings
 enum InputMap
 {
@@ -899,35 +901,33 @@ void clearScreen(display_context_t disp)
 
 void romInfoScreen(display_context_t disp, u8 *buff, int silent)
 {
-    if (silent != 1)
-        sleep(10);
-
-    u8 tmp[32];
     u8 filename[64];
-    u8 ok = 0;
-
     sprintf(filename, "%s", buff);
+    
     int swapped = 0;
 
-    FatRecord rec_tmpf;
+    FRESULT result;
-    //not needed any longer :>
-    //file IS there, it's selected at this point
-    ok = fatFindRecord(filename, &rec_tmpf, 0);
   
-    u8 resp = 0;
-
-    resp = fatOpenFileByName(filename, 0); //err if not found ^^
-
-    int mb = file.sec_available / 2048;
-    int block_offset = 0;
-    u32 cart_buff_offset = 0;
-    u32 begin_sector = file.sector;
-
-    //filesize -> readfile / 512
     int fsize = 512;                 //rom-headersize 4096 but the bootcode is not needed
     unsigned char headerdata[fsize]; //1*512
 
-    resp = fatReadFile(&headerdata, fsize / 512); //1 cluster
+    FIL file;
+    UINT bytesread;
+    result = f_open(&file, filename, FA_READ);
+
+    if (result == FR_OK)
+    {
+        int fsizeMB = f_size(&file) / 1048576; //Bytes in a MB
+
+        result =
+        f_read (
+            &file,        /* [IN] File object */
+            &headerdata,  /* [OUT] Buffer to store read data */
+            fsize,        /* [IN] Number of bytes to read */
+            &bytesread    /* [OUT] Number of bytes read */
+        );
+
+        result = f_close(&file);
 
         int sw_type = is_valid_rom(headerdata);
 
@@ -937,6 +937,8 @@ void romInfoScreen(display_context_t disp, u8 *buff, int silent)
             swap_header(headerdata, 512);
         }
 
+        if (silent != 1)
+        {
             //char 32-51 name
             unsigned char rom_name[32];
 
@@ -947,24 +949,21 @@ void romInfoScreen(display_context_t disp, u8 *buff, int silent)
                 else
                     sprintf(rom_name, "%c", headerdata[32 + u]);
             }
-    //trim right spaces
-    //romname=trimmed rom name for filename
-    sprintf(rom_name, "%s", trim(rom_name));
 
-    if (silent != 1)
+            //rom name
+            sprintf(rom_name, "%s", trim(rom_name));
             printText(rom_name, 11, 19, disp);
 
-    sprintf(rom_name, "Size: %iMb", mb);
+            //rom size
-
+            sprintf(rom_name, "Size: %iMB", fsizeMB);
-    if (silent != 1)
             printText(rom_name, 11, -1, disp);
         
+
             //unique cart id for gametype
             unsigned char cartID_str[12];
             sprintf(cartID_str, "ID: %c%c%c%c", headerdata[0x3B], headerdata[0x3C], headerdata[0x3D], headerdata[0x3E]);
-
-    if (silent != 1)
             printText(cartID_str, 11, -1, disp);
+        }
 
         int cic, save;
 
@@ -976,17 +975,29 @@ void romInfoScreen(display_context_t disp, u8 *buff, int silent)
         if (get_cic_save(cartID_short, &cic, &save))
         {
             if (silent != 1)
+            {
                 printText("found in db", 11, -1, disp);
                 unsigned char save_type_str[12];
                 sprintf(save_type_str, "Save: %s", saveTypeToExtension(save, ext_type));
-        if (silent != 1)
                 printText(save_type_str, 11, -1, disp);
 
                 unsigned char cic_type_str[12];
-        sprintf(cic_type_str, "CIC: CIC-610%i", cic); //TODO: need to take into account DD and Aleck CIC
-        if (silent != 1)
-            printText(cic_type_str, 11, -1, disp);
 
+                switch (cic)
+                {
+                    case 4:
+                    sprintf(cic_type_str, "CIC: CIC-5101", cic);
+                    break;
+                    case 7:
+                    sprintf(cic_type_str, "CIC: CIC-5167", cic);
+                    break;
+                    default:
+                    sprintf(cic_type_str, "CIC: CIC-610%i", cic);
+                    break;
+                }
+
+                printText(cic_type_str, 11, -1, disp);
+            }
             //thanks for the db :>
             //cart was found, use CIC and SaveRAM type
         }
@@ -999,7 +1010,10 @@ void romInfoScreen(display_context_t disp, u8 *buff, int silent)
 
             sprintf(box_path, "/ED64/boxart/lowres/%c%c.png", headerdata[0x3C], headerdata[0x3D]);
 
-        if (fatFindRecord(box_path, &rec_tmpf, 0) != 0)
+            FILINFO fnoba;
+            result = f_stat (box_path, &fnoba);
+
+            if (result != FR_OK)
             {
                 //not found
                 sprintf(box_path, "/ED64/boxart/lowres/00.png");
@@ -1021,33 +1035,41 @@ void romInfoScreen(display_context_t disp, u8 *buff, int silent)
             rom_config[8] = 0; //reserved
             rom_config[9] = 0; //reserved
         }
+    }
 }
 
 sprite_t *loadPng(u8 *png_filename)
 {
-    u8 *filename;
+    u8 *filename = (u8 *)malloc(slen(png_filename));
-    u8 ok = 0;
-
-    filename = (u8 *)malloc(slen(png_filename));
-    //config filename
-
     sprintf(filename, "%s", png_filename);
-    FatRecord rec_tmpf;
-    ok = fatFindRecord(filename, &rec_tmpf, 0);
 
-    u8 resp = 0;
+    FRESULT result;
-    resp = fatOpenFileByName(filename, 0);
+    FIL file;
-
+    UINT bytesread;
-    //filesize of the opend file -> is the readfile / 512
+    result = f_open(&file, filename, FA_READ);
-    int fsize = file.sec_available * 512;
 
+    if (result == FR_OK)
+    {
+        int fsize = f_size(&file);
         u8 png_rawdata[fsize];
 
-    resp = fatReadFile(&png_rawdata, fsize / 512); //1 cluster
+        result =
+        f_read (
+            &file,        /* [IN] File object */
+            &png_rawdata,  /* [OUT] Buffer to store read data */
+            fsize,        /* [IN] Number of bytes to read */
+            &bytesread    /* [OUT] Number of bytes read */
+        );
 
-    return loadImage32(png_rawdata, fsize);
+        result = f_close(&file);
 
         free(filename);
+        return loadImage32(png_rawdata, fsize);
+    }
+
+    return 0;
+
+
 }
 
 void loadgbrom(display_context_t disp, u8 *buff)
@@ -1723,6 +1745,13 @@ void initFilesystem(void)
     evd_ulockRegs();
     sleep(1000);
 
+    fs = malloc(sizeof (FATFS));           /* Get work area for the volume */
+    FRESULT result = f_mount(fs,"",1);
+    if(result != FR_OK)
+    {
+        //printText("mount error", 11, -1, disp);
+    }
+
     fatInitRam();
     fatInit();
     fat_initialized = 1;
@@ -2158,6 +2187,9 @@ void bootRom(display_context_t disp, int silent)
         graphics_fill_screen(disp, 0x000000FF);
         display_show(disp);
 
+        f_mount(0, "", 0);                     /* Unmount the default drive */
+        free(fs);                              /* Here the work area can be discarded */
+
         simulate_boot(boot_cic, bios_cic, cheat_lists); // boot_cic
     }
 }
@@ -4294,6 +4326,8 @@ int main(void)
     else
     {
         printf("Filesystem failed to start!\n");
+        f_mount(0, "", 0);                     /* Unmount the default drive */
+        free(fs);                              /* Here the work area can be discarded */
         for ( ;; )
             ; //never leave!
     }

src/mp3.c

@@ -7,11 +7,11 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
-#include <mad.h>
-#include "fat_old.h"
-#include "mp3.h"
-
 #include <libdragon.h>
+#include <mad.h>
+#include "mp3.h"
+#include "ff.h"
+
 
 static struct mad_stream Stream;
 static struct mad_header Header;
@@ -68,13 +68,11 @@ static int mp3_seek(char* fd, int offset, int whence) {
 }
 
 static int mp3_size(char* fd) {
-    FatRecord rec_tmpf;
+    FRESULT result;
-    u8 resp=0;
+    FILINFO fno;
-    resp = fatOpenFileByName(fd, 0); //err if not found ^^
+    //TODO: error
-
+    result = f_stat (fd, &fno);
-    int fsize =  file.sec_available*512; //fsize in bytes
+    mp3File_fsize = fno.fsize;
-    mp3File_fsize = fsize;
-    //todo filesize
     return mp3File_fsize;
 }
 
@@ -96,6 +94,37 @@ static void _f_read(char* fname, unsigned char *readBuffer, int size){
     }
     //dma_write_s(buffer, 0xb0000000, fsize);
 */
+
+    mp3_size(fname);
+
+    FRESULT result;
+    FIL file;
+    UINT bytesread;
+    result = f_open(&file, fname, FA_READ);
+
+    if (result == FR_OK)
+    {
+        int fsize = f_size(&file);
+
+        if ( fsize > size)
+        {
+            //todo: set the read pointer
+            //readBuffer+mp3File_fptr
+        }
+
+        result =
+        f_read (
+            &file,        /* [IN] File object */
+            &readBuffer,  /* [OUT] Buffer to store read data */
+            size,         /* [IN] Number of bytes to read */
+            &bytesread    /* [OUT] Number of bytes read */
+        );
+
+        result = f_close(&file);
+
+        mp3File_fptr+=size;
+        //dma_write_s(buffer, 0xb0000000, fsize);
+    }
 }
 
 static int mp3_read(char* fd, unsigned char *ptr, int size)

src/sd.c

@@ -12,28 +12,32 @@
 #include "errors.h"
 #include "sys.h"
 
-#define CMD0  0x40    // software reset
+#define CMD0  (0x40+0)      // GO_IDLE_STATE, Software reset.
-#define CMD1  0x41    // brings card out of idle state
+#define CMD1  (0x40+1)      // SEND_OP_COND, Initiate initialization process.
-#define CMD8  0x48    // Reserved
+#define CMD2  (0x40+2)      //read cid
-#define CMD12 0x4C    // stop transmission on multiple block read
+#define CMD3  (0x40+3)      //read rca
-#define CMD17 0x51    // read single block
+#define CMD6  (0x40+6)
-#define CMD18 0x52    // read multiple block
+#define CMD7  (0x40+7)
-#define CMD58 0x7A    // reads the OCR register
+#define CMD8  (0x40+8)      // SEND_IF_COND, For only SDC V2. Check voltage range.
-#define CMD55 0x77
+#define CMD9  (0x40+9)      // SEND_CSD, Read CSD register.
-#define CMD41 0x69
+#define CMD10 (0x40+10)     // SEND_CID, Read CID register.
-#define CMD24 0x58    // writes a single block
+#define CMD12 (0x40+12)     // STOP_TRANSMISSION, Stop to read data.
-#define CMD25 0x59    // writes a multi block
+#define ACMD13  (0xC0+13)   // SD_STATUS (SDC)
-#define	ACMD41 0x69
+#define CMD16 (0x40+16)     // SET_BLOCKLEN, Change R/W block size.
-#define	ACMD6 0x46
+#define CMD17 (0x40+17)     // READ_SINGLE_BLOCK, Read a block.
+#define CMD18 (0x40+18)     // READ_MULTIPLE_BLOCK, Read multiple blocks.
+#define ACMD23  (0xC0+23)   // SET_WR_BLK_ERASE_COUNT (SDC)
+#define CMD24 (0x40+24)     // WRITE_BLOCK, Write a block.
+#define CMD25 (0x40+25)     // WRITE_MULTIPLE_BLOCK, Write multiple blocks.
+#define CMD41 (0x40+41)     // SEND_OP_COND (ACMD)
+#define ACMD41  (0xC0+41)   // SEND_OP_COND (SDC)
+#define CMD55 (0x40+55)     // APP_CMD, Leading command of ACMD<n> command.
+#define CMD58 (0x40+58)     // READ_OCR, Read OCR.
+
 #define SD_V2 2
 #define SD_HC 1
 
 
-#define CMD2 0x42 //read cid
-#define CMD3 0x43 //read rca
-#define CMD7 0x47
-#define CMD9 0x49
-#define CMD6 0x46
 
 #define R1 1
 #define R2 2