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Gericom
2025-11-22 11:08:28 +01:00
commit 9cf3ffbfcf
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3
arm7/source/clearFast.h Normal file
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#pragma once
extern "C" void clearFast(void* dst, u32 length);

29
arm7/source/clearFast.s Normal file
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.text
.thumb
.global clearFast
.type clearFast, %function
clearFast:
push {r4-r7,lr}
mov r12, sp
mov sp, r0
add sp, r1
mov r1, #0
mov r2, #0
mov r3, #0
mov r4, #0
mov r5, #0
mov r6, #0
mov r7, #0
mov lr, r7
1:
push {r1-r7,lr}
push {r1-r7,lr}
cmp sp, r0
bne 1b
mov sp, r12
pop {r4-r7}
pop {r3}
bx r3
.end

23
arm7/source/common.h Normal file
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#pragma once
#include <nds/ndstypes.h>
#include "fat/ff.h"
#ifdef __cplusplus
#include "header.h"
#include "logger/ILogger.h"
extern ILogger* gLogger;
#define MAX_COMPILED_LOG_LEVEL LogLevel::All
#define LOG_FATAL(...) if (LogLevel::Fatal < MAX_COMPILED_LOG_LEVEL) gLogger->Log(LogLevel::Fatal, __VA_ARGS__)
#define LOG_ERROR(...) if (LogLevel::Error < MAX_COMPILED_LOG_LEVEL) gLogger->Log(LogLevel::Error, __VA_ARGS__)
#define LOG_WARNING(...) if (LogLevel::Warning < MAX_COMPILED_LOG_LEVEL) gLogger->Log(LogLevel::Warning, __VA_ARGS__)
#define LOG_INFO(...) if (LogLevel::Info < MAX_COMPILED_LOG_LEVEL) gLogger->Log(LogLevel::Info, __VA_ARGS__)
#define LOG_DEBUG(...) if (LogLevel::Debug < MAX_COMPILED_LOG_LEVEL) gLogger->Log(LogLevel::Debug, __VA_ARGS__)
#define LOG_TRACE(...) if (LogLevel::Trace < MAX_COMPILED_LOG_LEVEL) gLogger->Log(LogLevel::Trace, __VA_ARGS__)
#endif
extern FATFS gFatFs;

61
arm7/source/core/Environment.cpp Normal file
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#include <nds.h>
#include "picoAgbAdapter.h"
#include "Environment.h"
u32 Environment::_flags;
static bool detectIsNitroEmulator()
{
u32 agbMemoryAddress = *(vu32*)0x027FFF7C;
if (agbMemoryAddress < 0x08000000 || agbMemoryAddress >= 0x0A000000)
return false;
// u32 monitorRomLoadAddress = *(vu32*)0x027FFF68;
// if (monitorRomLoadAddress < 0x02000000 || monitorRomLoadAddress >= 0x02800000)
// return false;
return true;
}
static bool detectNocashPrintSuppport()
{
u32 nocashIdentifier = *(vu32*)0x04FFFA00;
return nocashIdentifier == 0x67246F6E; //no$g
}
static bool detectPicoAgbAdapter()
{
REG_EXMEMSTAT &= ~0xFF;
return PICO_AGB_IDENTIFIER == PICO_AGB_IDENTIFIER_VALUE;
}
void Environment::Initialize(bool dsiMode)
{
_flags = ENVIRONMENT_FLAGS_NONE;
if (dsiMode)
{
_flags |= ENVIRONMENT_FLAGS_DSI_MODE;
}
else
{
if (detectIsNitroEmulator())
{
_flags |= ENVIRONMENT_FLAGS_IS_NITRO_EMULATOR;
_flags |= ENVIRONMENT_FLAGS_JTAG_SEMIHOSTING;
REG_EXMEMSTAT &= ~0xFF;
u32 agbMemoryAddress = *(vu32*)0x027FFF7C;
if (*(vu32*)(agbMemoryAddress + 0x100) == 0x44495349) //ISID
_flags |= ENVIRONMENT_FLAGS_AGB_SEMIHOSTING;
}
else
{
if (detectPicoAgbAdapter())
_flags |= ENVIRONMENT_FLAGS_PICO_AGB_ADAPTER;
}
}
if (!(_flags & ENVIRONMENT_FLAGS_IS_NITRO_EMULATOR))
{
if (detectNocashPrintSuppport())
_flags |= ENVIRONMENT_FLAGS_NOCASH_PRINT;
}
}

32
arm7/source/core/Environment.h Normal file
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#pragma once
class Environment
{
enum EnvironmentFlags : u32
{
ENVIRONMENT_FLAGS_NONE = 0,
ENVIRONMENT_FLAGS_DSI_MODE = (1 << 0),
ENVIRONMENT_FLAGS_NOCASH_PRINT = (1 << 1),
ENVIRONMENT_FLAGS_IS_NITRO_EMULATOR = (1 << 2),
ENVIRONMENT_FLAGS_JTAG_SEMIHOSTING = (1 << 3),
ENVIRONMENT_FLAGS_AGB_SEMIHOSTING = (1 << 4),
ENVIRONMENT_FLAGS_DLDI = (1 << 5),
ENVIRONMENT_FLAGS_ARGV = (1 << 6),
ENVIRONMENT_FLAGS_PICO_AGB_ADAPTER = (1 << 7)
};
static u32 _flags;
public:
static void Initialize(bool dsiMode);
static inline bool IsDsiMode() { return _flags & ENVIRONMENT_FLAGS_DSI_MODE; }
static inline bool SupportsNocashPrint() { return _flags & ENVIRONMENT_FLAGS_NOCASH_PRINT; }
static inline bool IsIsNitroEmulator() { return _flags & ENVIRONMENT_FLAGS_IS_NITRO_EMULATOR; }
static inline bool SupportsJtagSemihosting() { return _flags & ENVIRONMENT_FLAGS_JTAG_SEMIHOSTING; }
static inline bool SupportsAgbSemihosting() { return _flags & ENVIRONMENT_FLAGS_AGB_SEMIHOSTING; }
static inline bool SupportsDldi() { return _flags & ENVIRONMENT_FLAGS_DLDI; }
static inline bool SupportsArgv() { return _flags & ENVIRONMENT_FLAGS_ARGV; }
static inline bool HasPicoAgbAdapter() { return _flags & ENVIRONMENT_FLAGS_PICO_AGB_ADAPTER; }
};

26
arm7/source/crt0.s Normal file
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.section ".crt0", "ax"
.arm
.global _start
.type _start, %function
_start:
// disable irqs
ldr r0,= 0x04000208
strb r0, [r0]
// clear bss
ldr r0,= __bss_start
ldr r1,= __bss_end
cmp r0, r1
beq bss_done
mov r2, #0
1:
str r2, [r0], #4
cmp r0, r1
bne 1b
bss_done:
ldr sp,= 0x0380FD80
b loaderMain
.pool
.end

17
arm7/source/errorDisplay/ErrorDisplay.cpp Normal file
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#include "common.h"
#include <stdarg.h>
#include <libtwl/i2c/i2cMcu.h>
#include "ipc.h"
#include "ipcCommands.h"
#include "core/mini-printf.h"
#include "ErrorDisplay.h"
void ErrorDisplay::PrintError(const char* errorFormat, ...)
{
va_list va;
va_start(va, errorFormat);
mini_vsnprintf((char*)0x02000000, 1024, errorFormat, va);
sendToArm9(IPC_COMMAND_ARM9_DISPLAY_ERROR);
va_end(va);
while (true);
}

11
arm7/source/errorDisplay/ErrorDisplay.h Normal file
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#pragma once
/// @brief Class for displaying critical errors on screen.
class ErrorDisplay
{
public:
/// @brief Formats and sends a critical error message to the arm9 to display it on screen.
/// @note This function does not return.
/// @param errorFormat The error message to format.
void PrintError(const char* errorFormat, ...);
};

205
arm7/source/fat/diskio.cpp Normal file
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/*-----------------------------------------------------------------------*/
/* Low level disk I/O module skeleton for FatFs (C)ChaN, 2016 */
/*-----------------------------------------------------------------------*/
/* If a working storage control module is available, it should be */
/* attached to the FatFs via a glue function rather than modifying it. */
/* This is an example of glue functions to attach various exsisting */
/* storage control modules to the FatFs module with a defined API. */
/*-----------------------------------------------------------------------*/
#include <nds/ndstypes.h>
#include <nds/disc_io.h>
#include <string.h>
#include <libtwl/rtos/rtosIrq.h>
#include "core/Environment.h"
// #include <libtwl/rtos/rtosIrq.h>
// #include <libtwl/rtos/rtosEvent.h>
#include "ff.h" /* Obtains integer types */
#include "diskio.h" /* Declarations of disk functions */
#include "dldi.h"
#include "../mmc/sdmmc.h"
// #include "core/semihosting.h"
/* Definitions of physical drive number for each drive */
#define DEV_FAT 0 //dldi
#define DEV_SD 1 //dsi sd
#define DEV_PC 2 //image on pc via semihosting
#define DEV_PC2 3 //image on pc via agb semihosting
// static int sPcFileHandle;
// static rtos_event_t sSemihostingCommandDoneEvent;
//extern "C" int sdmmc_sd_startup();
// extern FN_MEDIUM_STARTUP _DLDI_startup_ptr;
// extern FN_MEDIUM_READSECTORS _DLDI_readSectors_ptr;
// extern FN_MEDIUM_WRITESECTORS _DLDI_writeSectors_ptr;
/*-----------------------------------------------------------------------*/
/* Get Drive Status */
/*-----------------------------------------------------------------------*/
extern "C" DSTATUS disk_status (
BYTE pdrv /* Physical drive nmuber to identify the drive */
)
{
return 0;
}
// static void gbaIrq(u32 mask)
// {
// rtos_signalEvent(&sSemihostingCommandDoneEvent);
// }
/*-----------------------------------------------------------------------*/
/* Inidialize a Drive */
/*-----------------------------------------------------------------------*/
extern "C" DSTATUS disk_initialize (
BYTE pdrv /* Physical drive nmuber to identify the drive */
)
{
if (pdrv == DEV_FAT)
{
return 0;
}
else if (Environment::IsDsiMode() && pdrv == DEV_SD)
{
pico_SDMMC_init(SDMMC_DEV_CARD);
return 0;
}
else if (pdrv == DEV_PC)
{
// sPcFileHandle = sh_openFile("d:\\Emulators\\No$Debugger 3.0\\DSI-1.SD", SH_OPEN_MODE_R_PLUS_B);
return 0;
}
else if (pdrv == DEV_PC2)
{
// rtos_createEvent(&sSemihostingCommandDoneEvent);
// rtos_disableIrqMask(RTOS_IRQ_GBA_IREQ);
// rtos_ackIrqMask(RTOS_IRQ_GBA_IREQ);
// rtos_setIrqFunc(RTOS_IRQ_GBA_IREQ, gbaIrq);
// rtos_enableIrqMask(RTOS_IRQ_GBA_IREQ);
return 0;
}
return STA_NOINIT;
}
/*-----------------------------------------------------------------------*/
/* Read Sector(s) */
/*-----------------------------------------------------------------------*/
extern "C" DRESULT disk_read (
BYTE pdrv, /* Physical drive nmuber to identify the drive */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Start sector in LBA */
UINT count /* Number of sectors to read */
)
{
if (pdrv == DEV_FAT)
{
dldi_readSectors(buff, sector, count);
return RES_OK;
}
else if (Environment::IsDsiMode() && pdrv == DEV_SD)
{
pico_SDMMC_readSectors(SDMMC_DEV_CARD, sector, buff, count);
return RES_OK;
}
else if (pdrv == DEV_PC)
{
// sh_seekFile(sPcFileHandle, sector * 512);
// sh_readFile(sPcFileHandle, buff, count * 512);
// return RES_OK;
}
else if (pdrv == DEV_PC2)
{
// rtos_clearEvent(&sSemihostingCommandDoneEvent);
u32 agbMem = *(u32*)0x027FFF7C;
*(vu16*)(agbMem + 0x10002) = 1;
*(vu32*)(agbMem + 0x10004) = sector;
*(vu32*)(agbMem + 0x10008) = count;
rtos_disableIrqMask(RTOS_IRQ_GBA_IREQ);
rtos_ackIrqMask(RTOS_IRQ_GBA_IREQ);
*(vu16*)(agbMem + 0x10000) = 0x55;
while (!(rtos_getIrqFlags() & RTOS_IRQ_GBA_IREQ));
// rtos_waitEvent(&sSemihostingCommandDoneEvent, false, true);
if (*(vu16*)(agbMem + 0x10000) != 0xAA)
return RES_ERROR;
memcpy(buff, (const void*)(agbMem + 0x10020), count * 512);
return RES_OK;
}
return RES_PARERR;
}
/*-----------------------------------------------------------------------*/
/* Write Sector(s) */
/*-----------------------------------------------------------------------*/
#if FF_FS_READONLY == 0
extern "C" DRESULT disk_write (
BYTE pdrv, /* Physical drive nmuber to identify the drive */
const BYTE *buff, /* Data to be written */
DWORD sector, /* Start sector in LBA */
UINT count /* Number of sectors to write */
)
{
if (pdrv == DEV_FAT)
{
dldi_writeSectors(buff, sector, count);
return RES_OK;
}
else if (Environment::IsDsiMode() && pdrv == DEV_SD)
{
pico_SDMMC_writeSectors(SDMMC_DEV_CARD, sector, buff, count);
return RES_OK;
}
else if (pdrv == DEV_PC)
{
// sh_seekFile(sPcFileHandle, sector * 512);
// sh_writeFile(sPcFileHandle, buff, count * 512);
// return RES_OK;
}
else if (pdrv == DEV_PC2)
{
// rtos_clearEvent(&sSemihostingCommandDoneEvent);
u32 agbMem = *(u32*)0x027FFF7C;
memcpy((void*)(agbMem + 0x10020), buff, count * 512);
*(vu16*)(agbMem + 0x10002) = 2;
*(vu32*)(agbMem + 0x10004) = sector;
*(vu32*)(agbMem + 0x10008) = count;
rtos_disableIrqMask(RTOS_IRQ_GBA_IREQ);
rtos_ackIrqMask(RTOS_IRQ_GBA_IREQ);
*(vu16*)(agbMem + 0x10000) = 0x55;
while (!(rtos_getIrqFlags() & RTOS_IRQ_GBA_IREQ));
// rtos_waitEvent(&sSemihostingCommandDoneEvent, false, true);
if (*(vu16*)(agbMem + 0x10000) != 0xAA)
return RES_ERROR;
return RES_OK;
}
return RES_PARERR;
}
#endif
/*-----------------------------------------------------------------------*/
/* Miscellaneous Functions */
/*-----------------------------------------------------------------------*/
extern "C" DRESULT disk_ioctl (
BYTE pdrv, /* Physical drive nmuber (0..) */
BYTE cmd, /* Control code */
void *buff /* Buffer to send/receive control data */
)
{
return RES_OK;
}

77
arm7/source/fat/diskio.h Normal file
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/*-----------------------------------------------------------------------/
/ Low level disk interface modlue include file (C)ChaN, 2014 /
/-----------------------------------------------------------------------*/
#ifndef _DISKIO_DEFINED
#define _DISKIO_DEFINED
#ifdef __cplusplus
extern "C" {
#endif
/* Status of Disk Functions */
typedef BYTE DSTATUS;
/* Results of Disk Functions */
typedef enum {
RES_OK = 0, /* 0: Successful */
RES_ERROR, /* 1: R/W Error */
RES_WRPRT, /* 2: Write Protected */
RES_NOTRDY, /* 3: Not Ready */
RES_PARERR /* 4: Invalid Parameter */
} DRESULT;
/*---------------------------------------*/
/* Prototypes for disk control functions */
DSTATUS disk_initialize (BYTE pdrv);
DSTATUS disk_status (BYTE pdrv);
DRESULT disk_read (BYTE pdrv, BYTE* buff, DWORD sector, UINT count);
DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, UINT count);
DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
/* Disk Status Bits (DSTATUS) */
#define STA_NOINIT 0x01 /* Drive not initialized */
#define STA_NODISK 0x02 /* No medium in the drive */
#define STA_PROTECT 0x04 /* Write protected */
/* Command code for disk_ioctrl fucntion */
/* Generic command (Used by FatFs) */
#define CTRL_SYNC 0 /* Complete pending write process (needed at FF_FS_READONLY == 0) */
#define GET_SECTOR_COUNT 1 /* Get media size (needed at FF_USE_MKFS == 1) */
#define GET_SECTOR_SIZE 2 /* Get sector size (needed at FF_MAX_SS != FF_MIN_SS) */
#define GET_BLOCK_SIZE 3 /* Get erase block size (needed at FF_USE_MKFS == 1) */
#define CTRL_TRIM 4 /* Inform device that the data on the block of sectors is no longer used (needed at FF_USE_TRIM == 1) */
/* Generic command (Not used by FatFs) */
#define CTRL_POWER 5 /* Get/Set power status */
#define CTRL_LOCK 6 /* Lock/Unlock media removal */
#define CTRL_EJECT 7 /* Eject media */
#define CTRL_FORMAT 8 /* Create physical format on the media */
/* MMC/SDC specific ioctl command */
#define MMC_GET_TYPE 10 /* Get card type */
#define MMC_GET_CSD 11 /* Get CSD */
#define MMC_GET_CID 12 /* Get CID */
#define MMC_GET_OCR 13 /* Get OCR */
#define MMC_GET_SDSTAT 14 /* Get SD status */
#define ISDIO_READ 55 /* Read data form SD iSDIO register */
#define ISDIO_WRITE 56 /* Write data to SD iSDIO register */
#define ISDIO_MRITE 57 /* Masked write data to SD iSDIO register */
/* ATA/CF specific ioctl command */
#define ATA_GET_REV 20 /* Get F/W revision */
#define ATA_GET_MODEL 21 /* Get model name */
#define ATA_GET_SN 22 /* Get serial number */
#ifdef __cplusplus
}
#endif
#endif

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arm7/source/fat/dldi.cpp Normal file
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#include "common.h"
#include <string.h>
#include "ipc.h"
#include "ipcCommands.h"
#include "loader/DldiDriver.h"
static u8 sDldiBuffer[16 * 1024] alignas(32);
static DldiDriver sDldiDriver = DldiDriver((dldi_header_t*)sDldiBuffer);
[[gnu::target("thumb")]]
static bool readSectorsWithPatchCode(u32 sector, u32 count, void* buffer)
{
typedef void (*patch_code_read_sd_sectors_t)(u32 srcSector, void* dst, u32 sectorCount);
(*(patch_code_read_sd_sectors_t*)0x037F8000)(sector, buffer, count);
return true;
}
[[gnu::target("thumb")]]
static bool writeSectorsWithPatchCode(u32 sector, u32 count, const void* buffer)
{
typedef void (*patch_code_write_sd_sectors_t)(u32 dstSector, const void* src, u32 sectorCount);
(*(patch_code_write_sd_sectors_t*)0x037F8004)(sector, buffer, count);
return true;
}
bool dldi_init()
{
auto driver = (const dldi_header_t*)gLoaderHeader.dldiDriver;
if (!driver || driver->dldiMagic != DLDI_MAGIC || driver->driverMagic == DLDI_DRIVER_MAGIC_NONE)
{
LOG_DEBUG("No dldi driver found\n");
// Need to initialize before getting the patch code
sendToArm9(IPC_COMMAND_ARM9_INITIALIZE_SD_CARD);
if (!receiveFromArm9())
{
LOG_ERROR("Sd card initialization failed\n");
return false;
}
// Try to get the patch code
sendToArm9(IPC_COMMAND_ARM9_GET_SD_FUNCTIONS);
if (!receiveFromArm9())
{
LOG_ERROR("Getting patch code failed\n");
return false;
}
LOG_DEBUG("Using patch code sd read/write\n");
((dldi_header_t*)sDldiBuffer)->readSectorsFuncAddress = (u32)readSectorsWithPatchCode;
((dldi_header_t*)sDldiBuffer)->writeSectorsFuncAddress = (u32)writeSectorsWithPatchCode;
}
else
{
u32 driverSize = 1 << driver->driverSize;
if (driverSize > sizeof(sDldiBuffer))
{
LOG_ERROR("Not enough space for dldi driver of size %d\n", driverSize);
return false;
}
memcpy(sDldiBuffer, driver, driverSize);
sDldiDriver.Relocate();
sDldiDriver.PrepareForUse();
if (!sDldiDriver.Startup())
{
LOG_ERROR("DLDI startup failed\n");
return false;
}
sendToArm9(IPC_COMMAND_ARM9_INITIALIZE_SD_CARD);
if (!receiveFromArm9())
{
LOG_ERROR("Sd card initialization failed\n");
return false;
}
}
return true;
}
extern "C" bool dldi_readSectors(void* buffer, u32 sector, u32 count)
{
return sDldiDriver.ReadSectors(sector, count, buffer);
}
extern "C" bool dldi_writeSectors(const void* buffer, u32 sector, u32 count)
{
return sDldiDriver.WriteSectors(sector, count, buffer);
}
bool dldi_patchTo(dldi_header_t* stub)
{
return sDldiDriver.PatchTo(stub);
}

16
arm7/source/fat/dldi.h Normal file
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#pragma once
#include "loader/dldiHeader.h"
bool dldi_init();
bool dldi_patchTo(dldi_header_t* stub);
#ifdef __cplusplus
extern "C" {
#endif
bool dldi_readSectors(void* buffer, u32 sector, u32 count);
bool dldi_writeSectors(const void* buffer, u32 sector, u32 count);
#ifdef __cplusplus
}
#endif

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arm7/source/fat/ff.c Normal file
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arm7/source/fat/ff.h Normal file
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/*----------------------------------------------------------------------------/
/ FatFs - Generic FAT Filesystem module R0.13c /
/-----------------------------------------------------------------------------/
/
/ Copyright (C) 2018, ChaN, all right reserved.
/
/ FatFs module is an open source software. Redistribution and use of FatFs in
/ source and binary forms, with or without modification, are permitted provided
/ that the following condition is met:
/ 1. Redistributions of source code must retain the above copyright notice,
/ this condition and the following disclaimer.
/
/ This software is provided by the copyright holder and contributors "AS IS"
/ and any warranties related to this software are DISCLAIMED.
/ The copyright owner or contributors be NOT LIABLE for any damages caused
/ by use of this software.
/
/----------------------------------------------------------------------------*/
#ifndef FF_DEFINED
#define FF_DEFINED 86604 /* Revision ID */
#ifdef __cplusplus
extern "C" {
#endif
#include "ffconf.h" /* FatFs configuration options */
#if FF_DEFINED != FFCONF_DEF
#error Wrong configuration file (ffconf.h).
#endif
/* Integer types used for FatFs API */
#if defined(_WIN32) /* Main development platform */
#define FF_INTDEF 2
#include <windows.h>
typedef unsigned __int64 QWORD;
#elif (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__cplusplus) /* C99 or later */
#define FF_INTDEF 2
#include <stdint.h>
typedef unsigned int UINT; /* int must be 16-bit or 32-bit */
typedef unsigned char BYTE; /* char must be 8-bit */
typedef uint16_t WORD; /* 16-bit unsigned integer */
typedef uint16_t WCHAR; /* 16-bit unsigned integer */
typedef uint32_t DWORD; /* 32-bit unsigned integer */
typedef uint64_t QWORD; /* 64-bit unsigned integer */
#else /* Earlier than C99 */
#define FF_INTDEF 1
typedef unsigned int UINT; /* int must be 16-bit or 32-bit */
typedef unsigned char BYTE; /* char must be 8-bit */
typedef unsigned short WORD; /* 16-bit unsigned integer */
typedef unsigned short WCHAR; /* 16-bit unsigned integer */
typedef unsigned long DWORD; /* 32-bit unsigned integer */
#endif
#include "math.h"
/* Definitions of volume management */
#if FF_MULTI_PARTITION /* Multiple partition configuration */
typedef struct {
BYTE pd; /* Physical drive number */
BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */
} PARTITION;
extern PARTITION VolToPart[]; /* Volume - Partition resolution table */
#endif
#if FF_STR_VOLUME_ID
#ifndef FF_VOLUME_STRS
extern const char* VolumeStr[FF_VOLUMES]; /* User defied volume ID */
#endif
#endif
/* Type of path name strings on FatFs API */
#ifndef _INC_TCHAR
#define _INC_TCHAR
#if FF_USE_LFN && FF_LFN_UNICODE == 1 /* Unicode in UTF-16 encoding */
typedef WCHAR TCHAR;
#define _T(x) L ## x
#define _TEXT(x) L ## x
#elif FF_USE_LFN && FF_LFN_UNICODE == 2 /* Unicode in UTF-8 encoding */
typedef char TCHAR;
#define _T(x) u8 ## x
#define _TEXT(x) u8 ## x
#elif FF_USE_LFN && FF_LFN_UNICODE == 3 /* Unicode in UTF-32 encoding */
typedef DWORD TCHAR;
#define _T(x) U ## x
#define _TEXT(x) U ## x
#elif FF_USE_LFN && (FF_LFN_UNICODE < 0 || FF_LFN_UNICODE > 3)
#error Wrong FF_LFN_UNICODE setting
#else /* ANSI/OEM code in SBCS/DBCS */
typedef char TCHAR;
#define _T(x) x
#define _TEXT(x) x
#endif
#endif
/* Type of file size variables */
#if FF_FS_EXFAT
#if FF_INTDEF != 2
#error exFAT feature wants C99 or later
#endif
typedef QWORD FSIZE_t;
#else
typedef DWORD FSIZE_t;
#endif
/* Filesystem object structure (FATFS) */
typedef struct {
BYTE fs_type; /* Filesystem type (0:not mounted) */
BYTE pdrv; /* Associated physical drive */
BYTE n_fats; /* Number of FATs (1 or 2) */
BYTE wflag; /* win[] flag (b0:dirty) */
BYTE fsi_flag; /* FSINFO flags (b7:disabled, b0:dirty) */
WORD id; /* Volume mount ID */
WORD n_rootdir; /* Number of root directory entries (FAT12/16) */
WORD csize; /* Cluster size [sectors] */
#if FF_MAX_SS != FF_MIN_SS
WORD ssize; /* Sector size (512, 1024, 2048 or 4096) */
#endif
#if FF_USE_LFN
WCHAR* lfnbuf; /* LFN working buffer */
#endif
#if FF_FS_EXFAT
BYTE* dirbuf; /* Directory entry block scratchpad buffer for exFAT */
#endif
#if FF_FS_REENTRANT
FF_SYNC_t sobj; /* Identifier of sync object */
#endif
#if !FF_FS_READONLY
DWORD last_clst; /* Last allocated cluster */
DWORD free_clst; /* Number of free clusters */
#endif
#if FF_FS_RPATH
DWORD cdir; /* Current directory start cluster (0:root) */
#if FF_FS_EXFAT
DWORD cdc_scl; /* Containing directory start cluster (invalid when cdir is 0) */
DWORD cdc_size; /* b31-b8:Size of containing directory, b7-b0: Chain status */
DWORD cdc_ofs; /* Offset in the containing directory (invalid when cdir is 0) */
#endif
#endif
DWORD n_fatent; /* Number of FAT entries (number of clusters + 2) */
DWORD fsize; /* Size of an FAT [sectors] */
DWORD volbase; /* Volume base sector */
DWORD fatbase; /* FAT base sector */
DWORD dirbase; /* Root directory base sector/cluster */
DWORD database; /* Data base sector */
#if FF_FS_EXFAT
DWORD bitbase; /* Allocation bitmap base sector */
#endif
DWORD winsect; /* Current sector appearing in the win[] */
BYTE win[FF_MAX_SS] __attribute__((aligned(32))); /* Disk access window for Directory, FAT (and file data at tiny cfg) */
} FATFS __attribute__((aligned(32)));
/* Object ID and allocation information (FFOBJID) */
typedef struct {
FATFS* fs; /* Pointer to the hosting volume of this object */
WORD id; /* Hosting volume mount ID */
BYTE attr; /* Object attribute */
BYTE stat; /* Object chain status (b1-0: =0:not contiguous, =2:contiguous, =3:fragmented in this session, b2:sub-directory stretched) */
DWORD sclust; /* Object data start cluster (0:no cluster or root directory) */
FSIZE_t objsize; /* Object size (valid when sclust != 0) */
#if FF_FS_EXFAT
DWORD n_cont; /* Size of first fragment - 1 (valid when stat == 3) */
DWORD n_frag; /* Size of last fragment needs to be written to FAT (valid when not zero) */
DWORD c_scl; /* Containing directory start cluster (valid when sclust != 0) */
DWORD c_size; /* b31-b8:Size of containing directory, b7-b0: Chain status (valid when c_scl != 0) */
DWORD c_ofs; /* Offset in the containing directory (valid when file object and sclust != 0) */
#endif
#if FF_FS_LOCK
UINT lockid; /* File lock ID origin from 1 (index of file semaphore table Files[]) */
#endif
} FFOBJID;
/* File object structure (FIL) */
typedef struct {
FFOBJID obj; /* Object identifier (must be the 1st member to detect invalid object pointer) */
BYTE flag; /* File status flags */
BYTE err; /* Abort flag (error code) */
FSIZE_t fptr; /* File read/write pointer (Zeroed on file open) */
DWORD clust; /* Current cluster of fpter (invalid when fptr is 0) */
DWORD sect; /* Sector number appearing in buf[] (0:invalid) */
#if !FF_FS_READONLY
DWORD dir_sect; /* Sector number containing the directory entry (not used at exFAT) */
BYTE* dir_ptr; /* Pointer to the directory entry in the win[] (not used at exFAT) */
#endif
#if FF_USE_FASTSEEK
DWORD* cltbl; /* Pointer to the cluster link map table (nulled on open, set by application) */
#endif
#if !FF_FS_TINY
BYTE buf[FF_MAX_SS] __attribute__((aligned(32))); /* File private data read/write window */
#endif
} FIL __attribute__((aligned(32)));
/* Directory object structure (DIR) */
typedef struct {
FFOBJID obj; /* Object identifier */
DWORD dptr; /* Current read/write offset */
DWORD clust; /* Current cluster */
DWORD sect; /* Current sector (0:Read operation has terminated) */
BYTE* dir; /* Pointer to the directory item in the win[] */
BYTE fn[12]; /* SFN (in/out) {body[8],ext[3],status[1]} */
#if FF_USE_LFN
DWORD blk_ofs; /* Offset of current entry block being processed (0xFFFFFFFF:Invalid) */
#endif
#if FF_USE_FIND
const TCHAR* pat; /* Pointer to the name matching pattern */
#endif
} DIR;
/* File information structure (FILINFO) */
typedef struct {
FSIZE_t fsize; /* File size */
WORD fdate; /* Modified date */
WORD ftime; /* Modified time */
BYTE fattrib; /* File attribute */
DWORD fdirsect;
DWORD fdiroffs;
DWORD fclust;
#if FF_USE_LFN
TCHAR altname[FF_SFN_BUF + 1];/* Altenative file name */
TCHAR fname[FF_LFN_BUF + 1]; /* Primary file name */
#else
TCHAR fname[12 + 1]; /* File name */
#endif
} FILINFO;
/* File function return code (FRESULT) */
typedef enum {
FR_OK = 0, /* (0) Succeeded */
FR_DISK_ERR, /* (1) A hard error occurred in the low level disk I/O layer */
FR_INT_ERR, /* (2) Assertion failed */
FR_NOT_READY, /* (3) The physical drive cannot work */
FR_NO_FILE, /* (4) Could not find the file */
FR_NO_PATH, /* (5) Could not find the path */
FR_INVALID_NAME, /* (6) The path name format is invalid */
FR_DENIED, /* (7) Access denied due to prohibited access or directory full */
FR_EXIST, /* (8) Access denied due to prohibited access */
FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */
FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */
FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */
FR_NOT_ENABLED, /* (12) The volume has no work area */
FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume */
FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any problem */
FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */
FR_LOCKED, /* (16) The operation is rejected according to the file sharing policy */
FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */
FR_TOO_MANY_OPEN_FILES, /* (18) Number of open files > FF_FS_LOCK */
FR_INVALID_PARAMETER /* (19) Given parameter is invalid */
} FRESULT;
/*--------------------------------------------------------------*/
/* FatFs module application interface */
DWORD f_clst2sect(FATFS* fs, DWORD clst);
DWORD f_getFat(FIL* fp, DWORD clst);
FRESULT f_open (FIL* fp, const TCHAR* path, BYTE mode); /* Open or create a file */
FRESULT f_close (FIL* fp); /* Close an open file object */
FRESULT f_read (FIL* fp, void* buff, UINT btr, UINT* br); /* Read data from the file */
FRESULT f_write (FIL* fp, const void* buff, UINT btw, UINT* bw); /* Write data to the file */
FRESULT f_lseek (FIL* fp, FSIZE_t ofs); /* Move file pointer of the file object */
FRESULT f_truncate (FIL* fp); /* Truncate the file */
FRESULT f_sync (FIL* fp); /* Flush cached data of the writing file */
FRESULT f_opendir (DIR* dp, const TCHAR* path); /* Open a directory */
FRESULT f_closedir (DIR* dp); /* Close an open directory */
FRESULT f_readdir (DIR* dp, FILINFO* fno); /* Read a directory item */
FRESULT f_findfirst (DIR* dp, FILINFO* fno, const TCHAR* path, const TCHAR* pattern); /* Find first file */
FRESULT f_findnext (DIR* dp, FILINFO* fno); /* Find next file */
FRESULT f_mkdir (const TCHAR* path); /* Create a sub directory */
FRESULT f_unlink (const TCHAR* path); /* Delete an existing file or directory */
FRESULT f_rename (const TCHAR* path_old, const TCHAR* path_new); /* Rename/Move a file or directory */
FRESULT f_stat (const TCHAR* path, FILINFO* fno); /* Get file status */
FRESULT f_chmod (const TCHAR* path, BYTE attr, BYTE mask); /* Change attribute of a file/dir */
FRESULT f_utime (const TCHAR* path, const FILINFO* fno); /* Change timestamp of a file/dir */
FRESULT f_chdir (const TCHAR* path); /* Change current directory */
FRESULT f_chdrive (const TCHAR* path); /* Change current drive */
FRESULT f_getcwd (TCHAR* buff, UINT len); /* Get current directory */
FRESULT f_getfree (const TCHAR* path, DWORD* nclst, FATFS** fatfs); /* Get number of free clusters on the drive */
FRESULT f_getlabel (const TCHAR* path, TCHAR* label, DWORD* vsn); /* Get volume label */
FRESULT f_setlabel (const TCHAR* label); /* Set volume label */
FRESULT f_forward (FIL* fp, UINT(*func)(const BYTE*,UINT), UINT btf, UINT* bf); /* Forward data to the stream */
FRESULT f_expand (FIL* fp, FSIZE_t szf, BYTE opt); /* Allocate a contiguous block to the file */
FRESULT f_mount (FATFS* fs, const TCHAR* path, BYTE opt); /* Mount/Unmount a logical drive */
FRESULT f_mkfs (const TCHAR* path, BYTE opt, DWORD au, void* work, UINT len); /* Create a FAT volume */
FRESULT f_fdisk (BYTE pdrv, const DWORD* szt, void* work); /* Divide a physical drive into some partitions */
FRESULT f_setcp (WORD cp); /* Set current code page */
int f_putc (TCHAR c, FIL* fp); /* Put a character to the file */
int f_puts (const TCHAR* str, FIL* cp); /* Put a string to the file */
int f_printf (FIL* fp, const TCHAR* str, ...); /* Put a formatted string to the file */
TCHAR* f_gets (TCHAR* buff, int len, FIL* fp); /* Get a string from the file */
#define f_eof(fp) ((int)((fp)->fptr == (fp)->obj.objsize))
#define f_error(fp) ((fp)->err)
#define f_tell(fp) ((fp)->fptr)
#define f_size(fp) ((fp)->obj.objsize)
#define f_rewind(fp) f_lseek((fp), 0)
#define f_rewinddir(dp) f_readdir((dp), 0)
#define f_rmdir(path) f_unlink(path)
#define f_unmount(path) f_mount(0, path, 0)
#ifndef EOF
#define EOF (-1)
#endif
/*--------------------------------------------------------------*/
/* Additional user defined functions */
/* RTC function */
#if !FF_FS_READONLY && !FF_FS_NORTC
DWORD get_fattime (void);
#endif
/* LFN support functions */
#if FF_USE_LFN >= 1 /* Code conversion (defined in unicode.c) */
WCHAR ff_oem2uni (WCHAR oem, WORD cp); /* OEM code to Unicode conversion */
WCHAR ff_uni2oem (DWORD uni, WORD cp); /* Unicode to OEM code conversion */
DWORD ff_wtoupper (DWORD uni); /* Unicode upper-case conversion */
#endif
#if FF_USE_LFN == 3 /* Dynamic memory allocation */
void* ff_memalloc (UINT msize); /* Allocate memory block */
void ff_memfree (void* mblock); /* Free memory block */
#endif
/* Sync functions */
#if FF_FS_REENTRANT
int ff_cre_syncobj (BYTE vol, FF_SYNC_t* sobj); /* Create a sync object */
int ff_req_grant (FF_SYNC_t sobj); /* Lock sync object */
void ff_rel_grant (FF_SYNC_t sobj); /* Unlock sync object */
int ff_del_syncobj (FF_SYNC_t sobj); /* Delete a sync object */
#endif
/*--------------------------------------------------------------*/
/* Flags and offset address */
/* File access mode and open method flags (3rd argument of f_open) */
#define FA_READ 0x01
#define FA_WRITE 0x02
#define FA_OPEN_EXISTING 0x00
#define FA_CREATE_NEW 0x04
#define FA_CREATE_ALWAYS 0x08
#define FA_OPEN_ALWAYS 0x10
#define FA_OPEN_APPEND 0x30
/* Fast seek controls (2nd argument of f_lseek) */
#define CREATE_LINKMAP ((FSIZE_t)0 - 1)
/* Format options (2nd argument of f_mkfs) */
#define FM_FAT 0x01
#define FM_FAT32 0x02
#define FM_EXFAT 0x04
#define FM_ANY 0x07
#define FM_SFD 0x08
/* Filesystem type (FATFS.fs_type) */
#define FS_FAT12 1
#define FS_FAT16 2
#define FS_FAT32 3
#define FS_EXFAT 4
/* File attribute bits for directory entry (FILINFO.fattrib) */
#define AM_RDO 0x01 /* Read only */
#define AM_HID 0x02 /* Hidden */
#define AM_SYS 0x04 /* System */
#define AM_DIR 0x10 /* Directory */
#define AM_ARC 0x20 /* Archive */
#ifdef __cplusplus
}
#endif
#endif /* FF_DEFINED */

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/*---------------------------------------------------------------------------/
/ FatFs Functional Configurations
/---------------------------------------------------------------------------*/
#define FFCONF_DEF 86604 /* Revision ID */
/*---------------------------------------------------------------------------/
/ Function Configurations
/---------------------------------------------------------------------------*/
#define FF_FS_READONLY 0
/* This option switches read-only configuration. (0:Read/Write or 1:Read-only)
/ Read-only configuration removes writing API functions, f_write(), f_sync(),
/ f_unlink(), f_mkdir(), f_chmod(), f_rename(), f_truncate(), f_getfree()
/ and optional writing functions as well. */
#define FF_FS_MINIMIZE 0
/* This option defines minimization level to remove some basic API functions.
/
/ 0: Basic functions are fully enabled.
/ 1: f_stat(), f_getfree(), f_unlink(), f_mkdir(), f_truncate() and f_rename()
/ are removed.
/ 2: f_opendir(), f_readdir() and f_closedir() are removed in addition to 1.
/ 3: f_lseek() function is removed in addition to 2. */
#define FF_USE_STRFUNC 0
/* This option switches string functions, f_gets(), f_putc(), f_puts() and f_printf().
/
/ 0: Disable string functions.
/ 1: Enable without LF-CRLF conversion.
/ 2: Enable with LF-CRLF conversion. */
#define FF_USE_FIND 0
/* This option switches filtered directory read functions, f_findfirst() and
/ f_findnext(). (0:Disable, 1:Enable 2:Enable with matching altname[] too) */
#define FF_USE_MKFS 0
/* This option switches f_mkfs() function. (0:Disable or 1:Enable) */
#define FF_USE_FASTSEEK 1
/* This option switches fast seek function. (0:Disable or 1:Enable) */
#define FF_USE_EXPAND 0
/* This option switches f_expand function. (0:Disable or 1:Enable) */
#define FF_USE_CHMOD 0
/* This option switches attribute manipulation functions, f_chmod() and f_utime().
/ (0:Disable or 1:Enable) Also FF_FS_READONLY needs to be 0 to enable this option. */
#define FF_USE_LABEL 0
/* This option switches volume label functions, f_getlabel() and f_setlabel().
/ (0:Disable or 1:Enable) */
#define FF_USE_FORWARD 0
/* This option switches f_forward() function. (0:Disable or 1:Enable) */
/*---------------------------------------------------------------------------/
/ Locale and Namespace Configurations
/---------------------------------------------------------------------------*/
#define FF_CODE_PAGE 437 //932
/* This option specifies the OEM code page to be used on the target system.
/ Incorrect code page setting can cause a file open failure.
/
/ 437 - U.S.
/ 720 - Arabic
/ 737 - Greek
/ 771 - KBL
/ 775 - Baltic
/ 850 - Latin 1
/ 852 - Latin 2
/ 855 - Cyrillic
/ 857 - Turkish
/ 860 - Portuguese
/ 861 - Icelandic
/ 862 - Hebrew
/ 863 - Canadian French
/ 864 - Arabic
/ 865 - Nordic
/ 866 - Russian
/ 869 - Greek 2
/ 932 - Japanese (DBCS)
/ 936 - Simplified Chinese (DBCS)
/ 949 - Korean (DBCS)
/ 950 - Traditional Chinese (DBCS)
/ 0 - Include all code pages above and configured by f_setcp()
*/
#define FF_USE_LFN 1
#define FF_MAX_LFN 255
/* The FF_USE_LFN switches the support for LFN (long file name).
/
/ 0: Disable LFN. FF_MAX_LFN has no effect.
/ 1: Enable LFN with static working buffer on the BSS. Always NOT thread-safe.
/ 2: Enable LFN with dynamic working buffer on the STACK.
/ 3: Enable LFN with dynamic working buffer on the HEAP.
/
/ To enable the LFN, ffunicode.c needs to be added to the project. The LFN function
/ requiers certain internal working buffer occupies (FF_MAX_LFN + 1) * 2 bytes and
/ additional (FF_MAX_LFN + 44) / 15 * 32 bytes when exFAT is enabled.
/ The FF_MAX_LFN defines size of the working buffer in UTF-16 code unit and it can
/ be in range of 12 to 255. It is recommended to be set 255 to fully support LFN
/ specification.
/ When use stack for the working buffer, take care on stack overflow. When use heap
/ memory for the working buffer, memory management functions, ff_memalloc() and
/ ff_memfree() in ffsystem.c, need to be added to the project. */
#define FF_LFN_UNICODE 2
/* This option switches the character encoding on the API when LFN is enabled.
/
/ 0: ANSI/OEM in current CP (TCHAR = char)
/ 1: Unicode in UTF-16 (TCHAR = WCHAR)
/ 2: Unicode in UTF-8 (TCHAR = char)
/ 3: Unicode in UTF-32 (TCHAR = DWORD)
/
/ Also behavior of string I/O functions will be affected by this option.
/ When LFN is not enabled, this option has no effect. */
#define FF_LFN_BUF 255
#define FF_SFN_BUF 12
/* This set of options defines size of file name members in the FILINFO structure
/ which is used to read out directory items. These values should be suffcient for
/ the file names to read. The maximum possible length of the read file name depends
/ on character encoding. When LFN is not enabled, these options have no effect. */
#define FF_STRF_ENCODE 3
/* When FF_LFN_UNICODE >= 1 with LFN enabled, string I/O functions, f_gets(),
/ f_putc(), f_puts and f_printf() convert the character encoding in it.
/ This option selects assumption of character encoding ON THE FILE to be
/ read/written via those functions.
/
/ 0: ANSI/OEM in current CP
/ 1: Unicode in UTF-16LE
/ 2: Unicode in UTF-16BE
/ 3: Unicode in UTF-8
*/
#define FF_FS_RPATH 2
/* This option configures support for relative path.
/
/ 0: Disable relative path and remove related functions.
/ 1: Enable relative path. f_chdir() and f_chdrive() are available.
/ 2: f_getcwd() function is available in addition to 1.
*/
/*---------------------------------------------------------------------------/
/ Drive/Volume Configurations
/---------------------------------------------------------------------------*/
#define FF_VOLUMES 4
/* Number of volumes (logical drives) to be used. (1-10) */
#define FF_STR_VOLUME_ID 1
#define FF_VOLUME_STRS "fat","sd","pc","pc2"//"RAM","NAND","CF","SD","SD2","USB","USB2","USB3"
/* FF_STR_VOLUME_ID switches support for volume ID in arbitrary strings.
/ When FF_STR_VOLUME_ID is set to 1 or 2, arbitrary strings can be used as drive
/ number in the path name. FF_VOLUME_STRS defines the volume ID strings for each
/ logical drives. Number of items must not be less than FF_VOLUMES. Valid
/ characters for the volume ID strings are A-Z, a-z and 0-9, however, they are
/ compared in case-insensitive. If FF_STR_VOLUME_ID >= 1 and FF_VOLUME_STRS is
/ not defined, a user defined volume string table needs to be defined as:
/
/ const char* VolumeStr[FF_VOLUMES] = {"ram","flash","sd","usb",...
*/
#define FF_MULTI_PARTITION 0
/* This option switches support for multiple volumes on the physical drive.
/ By default (0), each logical drive number is bound to the same physical drive
/ number and only an FAT volume found on the physical drive will be mounted.
/ When this function is enabled (1), each logical drive number can be bound to
/ arbitrary physical drive and partition listed in the VolToPart[]. Also f_fdisk()
/ funciton will be available. */
#define FF_MIN_SS 512
#define FF_MAX_SS 512
/* This set of options configures the range of sector size to be supported. (512,
/ 1024, 2048 or 4096) Always set both 512 for most systems, generic memory card and
/ harddisk. But a larger value may be required for on-board flash memory and some
/ type of optical media. When FF_MAX_SS is larger than FF_MIN_SS, FatFs is configured
/ for variable sector size mode and disk_ioctl() function needs to implement
/ GET_SECTOR_SIZE command. */
#define FF_USE_TRIM 0
/* This option switches support for ATA-TRIM. (0:Disable or 1:Enable)
/ To enable Trim function, also CTRL_TRIM command should be implemented to the
/ disk_ioctl() function. */
#define FF_FS_NOFSINFO 0
/* If you need to know correct free space on the FAT32 volume, set bit 0 of this
/ option, and f_getfree() function at first time after volume mount will force
/ a full FAT scan. Bit 1 controls the use of last allocated cluster number.
/
/ bit0=0: Use free cluster count in the FSINFO if available.
/ bit0=1: Do not trust free cluster count in the FSINFO.
/ bit1=0: Use last allocated cluster number in the FSINFO if available.
/ bit1=1: Do not trust last allocated cluster number in the FSINFO.
*/
/*---------------------------------------------------------------------------/
/ System Configurations
/---------------------------------------------------------------------------*/
#define FF_FS_TINY 0
/* This option switches tiny buffer configuration. (0:Normal or 1:Tiny)
/ At the tiny configuration, size of file object (FIL) is shrinked FF_MAX_SS bytes.
/ Instead of private sector buffer eliminated from the file object, common sector
/ buffer in the filesystem object (FATFS) is used for the file data transfer. */
#define FF_FS_EXFAT 0
/* This option switches support for exFAT filesystem. (0:Disable or 1:Enable)
/ To enable exFAT, also LFN needs to be enabled. (FF_USE_LFN >= 1)
/ Note that enabling exFAT discards ANSI C (C89) compatibility. */
#define FF_FS_NORTC 1
#define FF_NORTC_MON 1
#define FF_NORTC_MDAY 1
#define FF_NORTC_YEAR 2018
/* The option FF_FS_NORTC switches timestamp functiton. If the system does not have
/ any RTC function or valid timestamp is not needed, set FF_FS_NORTC = 1 to disable
/ the timestamp function. Every object modified by FatFs will have a fixed timestamp
/ defined by FF_NORTC_MON, FF_NORTC_MDAY and FF_NORTC_YEAR in local time.
/ To enable timestamp function (FF_FS_NORTC = 0), get_fattime() function need to be
/ added to the project to read current time form real-time clock. FF_NORTC_MON,
/ FF_NORTC_MDAY and FF_NORTC_YEAR have no effect.
/ These options have no effect at read-only configuration (FF_FS_READONLY = 1). */
#define FF_FS_LOCK 0
/* The option FF_FS_LOCK switches file lock function to control duplicated file open
/ and illegal operation to open objects. This option must be 0 when FF_FS_READONLY
/ is 1.
/
/ 0: Disable file lock function. To avoid volume corruption, application program
/ should avoid illegal open, remove and rename to the open objects.
/ >0: Enable file lock function. The value defines how many files/sub-directories
/ can be opened simultaneously under file lock control. Note that the file
/ lock control is independent of re-entrancy. */
/* #include <somertos.h> // O/S definitions */
#define FF_FS_REENTRANT 0
#define FF_FS_TIMEOUT 1000
#define FF_SYNC_t HANDLE
/* The option FF_FS_REENTRANT switches the re-entrancy (thread safe) of the FatFs
/ module itself. Note that regardless of this option, file access to different
/ volume is always re-entrant and volume control functions, f_mount(), f_mkfs()
/ and f_fdisk() function, are always not re-entrant. Only file/directory access
/ to the same volume is under control of this function.
/
/ 0: Disable re-entrancy. FF_FS_TIMEOUT and FF_SYNC_t have no effect.
/ 1: Enable re-entrancy. Also user provided synchronization handlers,
/ ff_req_grant(), ff_rel_grant(), ff_del_syncobj() and ff_cre_syncobj()
/ function, must be added to the project. Samples are available in
/ option/syscall.c.
/
/ The FF_FS_TIMEOUT defines timeout period in unit of time tick.
/ The FF_SYNC_t defines O/S dependent sync object type. e.g. HANDLE, ID, OS_EVENT*,
/ SemaphoreHandle_t and etc. A header file for O/S definitions needs to be
/ included somewhere in the scope of ff.h. */
/*--- End of configuration options ---*/

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/*------------------------------------------------------------------------*/
/* Sample Code of OS Dependent Functions for FatFs */
/* (C)ChaN, 2018 */
/*------------------------------------------------------------------------*/
#include "ff.h"
#if FF_USE_LFN == 3 /* Dynamic memory allocation */
/*------------------------------------------------------------------------*/
/* Allocate a memory block */
/*------------------------------------------------------------------------*/
void* ff_memalloc ( /* Returns pointer to the allocated memory block (null if not enough core) */
UINT msize /* Number of bytes to allocate */
)
{
return malloc(msize); /* Allocate a new memory block with POSIX API */
}
/*------------------------------------------------------------------------*/
/* Free a memory block */
/*------------------------------------------------------------------------*/
void ff_memfree (
void* mblock /* Pointer to the memory block to free (nothing to do if null) */
)
{
free(mblock); /* Free the memory block with POSIX API */
}
#endif
#if FF_FS_REENTRANT /* Mutal exclusion */
/*------------------------------------------------------------------------*/
/* Create a Synchronization Object */
/*------------------------------------------------------------------------*/
/* This function is called in f_mount() function to create a new
/ synchronization object for the volume, such as semaphore and mutex.
/ When a 0 is returned, the f_mount() function fails with FR_INT_ERR.
*/
//const osMutexDef_t Mutex[FF_VOLUMES]; /* Table of CMSIS-RTOS mutex */
int ff_cre_syncobj ( /* 1:Function succeeded, 0:Could not create the sync object */
BYTE vol, /* Corresponding volume (logical drive number) */
FF_SYNC_t* sobj /* Pointer to return the created sync object */
)
{
/* Win32 */
*sobj = CreateMutex(NULL, FALSE, NULL);
return (int)(*sobj != INVALID_HANDLE_VALUE);
/* uITRON */
// T_CSEM csem = {TA_TPRI,1,1};
// *sobj = acre_sem(&csem);
// return (int)(*sobj > 0);
/* uC/OS-II */
// OS_ERR err;
// *sobj = OSMutexCreate(0, &err);
// return (int)(err == OS_NO_ERR);
/* FreeRTOS */
// *sobj = xSemaphoreCreateMutex();
// return (int)(*sobj != NULL);
/* CMSIS-RTOS */
// *sobj = osMutexCreate(&Mutex[vol]);
// return (int)(*sobj != NULL);
}
/*------------------------------------------------------------------------*/
/* Delete a Synchronization Object */
/*------------------------------------------------------------------------*/
/* This function is called in f_mount() function to delete a synchronization
/ object that created with ff_cre_syncobj() function. When a 0 is returned,
/ the f_mount() function fails with FR_INT_ERR.
*/
int ff_del_syncobj ( /* 1:Function succeeded, 0:Could not delete due to an error */
FF_SYNC_t sobj /* Sync object tied to the logical drive to be deleted */
)
{
/* Win32 */
return (int)CloseHandle(sobj);
/* uITRON */
// return (int)(del_sem(sobj) == E_OK);
/* uC/OS-II */
// OS_ERR err;
// OSMutexDel(sobj, OS_DEL_ALWAYS, &err);
// return (int)(err == OS_NO_ERR);
/* FreeRTOS */
// vSemaphoreDelete(sobj);
// return 1;
/* CMSIS-RTOS */
// return (int)(osMutexDelete(sobj) == osOK);
}
/*------------------------------------------------------------------------*/
/* Request Grant to Access the Volume */
/*------------------------------------------------------------------------*/
/* This function is called on entering file functions to lock the volume.
/ When a 0 is returned, the file function fails with FR_TIMEOUT.
*/
int ff_req_grant ( /* 1:Got a grant to access the volume, 0:Could not get a grant */
FF_SYNC_t sobj /* Sync object to wait */
)
{
/* Win32 */
return (int)(WaitForSingleObject(sobj, FF_FS_TIMEOUT) == WAIT_OBJECT_0);
/* uITRON */
// return (int)(wai_sem(sobj) == E_OK);
/* uC/OS-II */
// OS_ERR err;
// OSMutexPend(sobj, FF_FS_TIMEOUT, &err));
// return (int)(err == OS_NO_ERR);
/* FreeRTOS */
// return (int)(xSemaphoreTake(sobj, FF_FS_TIMEOUT) == pdTRUE);
/* CMSIS-RTOS */
// return (int)(osMutexWait(sobj, FF_FS_TIMEOUT) == osOK);
}
/*------------------------------------------------------------------------*/
/* Release Grant to Access the Volume */
/*------------------------------------------------------------------------*/
/* This function is called on leaving file functions to unlock the volume.
*/
void ff_rel_grant (
FF_SYNC_t sobj /* Sync object to be signaled */
)
{
/* Win32 */
ReleaseMutex(sobj);
/* uITRON */
// sig_sem(sobj);
/* uC/OS-II */
// OSMutexPost(sobj);
/* FreeRTOS */
// xSemaphoreGive(sobj);
/* CMSIS-RTOS */
// osMutexRelease(sobj);
}
#endif

15597
arm7/source/fat/ffunicode.c Normal file
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102
arm7/source/globalHeap.cpp Normal file
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#include "common.h"
#include <string.h>
#include "core/heap/tlsf.h"
#include "globalHeap.h"
static tlsf_t sHeap;
extern "C" void* malloc(size_t size)
{
return tlsf_malloc(sHeap, size);
}
extern "C" void* _malloc_r(struct _reent *, size_t size)
{
return malloc(size);
}
extern "C" void free(void* ptr)
{
tlsf_free(sHeap, ptr);
}
extern "C" void _free_r(struct _reent *, void* ptr)
{
free(ptr);
}
extern "C" void* realloc(void* ptr, size_t size)
{
return tlsf_realloc(sHeap, ptr, size);
}
extern "C" void* memalign(size_t alignment, size_t size)
{
return tlsf_memalign(sHeap, alignment, size);
}
void* operator new(std::size_t blocksize)
{
return malloc(blocksize);
}
void* operator new(std::size_t size, std::align_val_t al)
{
return memalign(static_cast<std::size_t>(al), size);
}
void* operator new[](std::size_t blocksize)
{
return malloc(blocksize);
}
void* operator new[](std::size_t size, std::align_val_t al)
{
return memalign(static_cast<std::size_t>(al), size);
}
void operator delete(void* ptr)
{
return free(ptr);
}
void operator delete(void* ptr, std::align_val_t align)
{
return free(ptr);
}
void operator delete(void* ptr, std::size_t size, std::align_val_t align)
{
return free(ptr);
}
void operator delete[](void* ptr)
{
return free(ptr);
}
void operator delete[](void* ptr, std::align_val_t align)
{
return free(ptr);
}
void operator delete[](void* ptr, std::size_t size, std::align_val_t align)
{
return free(ptr);
}
extern u8 __heap_start;
extern u8 __heap_end;
[[gnu::target("thumb"), gnu::optimize("Os")]]
void heap_init()
{
u32 heapStart = (u32)&__heap_start;
heapStart = (heapStart + 31) & ~31;
u32 heapEnd = (u32)&__heap_end;
heapEnd = heapEnd & ~31;
u32 tlsfSize = tlsf_size();
memset((void*)heapStart, 0, tlsfSize);
memset((u8*)heapStart + tlsfSize, 0xA5, heapEnd - heapStart - tlsfSize);
sHeap = tlsf_create_with_pool((void*)heapStart, heapEnd - heapStart);
}

16
arm7/source/globalHeap.h Normal file
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@@ -0,0 +1,16 @@
#pragma once
void* operator new(std::size_t blocksize) noexcept;
void* operator new(std::size_t size, std::align_val_t al) noexcept;
void* operator new[](std::size_t blocksize) noexcept;
void* operator new[](std::size_t size, std::align_val_t al) noexcept;
void operator delete(void* ptr) noexcept;
void operator delete(void* ptr, std::align_val_t align) noexcept;
void operator delete(void* ptr, std::size_t size, std::align_val_t align) noexcept;
void operator delete[](void* ptr) noexcept;
void operator delete[](void* ptr, std::align_val_t align) noexcept;
void operator delete[](void* ptr, std::size_t size, std::align_val_t align) noexcept;
constexpr std::align_val_t cache_align { 32 };
void heap_init();

14
arm7/source/header.cpp Normal file
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@@ -0,0 +1,14 @@
#include "common.h"
#include "header.h"
extern "C" void _start();
extern u8 __bss_start[];
extern u8 __bss_size[];
[[gnu::section(".crt0")]]
[[gnu::used]]
pload_header7_t gLoaderHeader
{
.entryPoint = (void*)&_start,
.apiVersion = PICO_LOADER_API_VERSION
};

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