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楼主 |
发表于 2015-8-6 22:44:37
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你好，我已经改了，但是还是不行，相关代码如下：
#define FS_SD 0
#define FS_NAND 1
#define FS_USB 2
FRESULT result;
FATFS *fs_my[_VOLUMES]; //初始化挂载文件系统使用，目前支持3个，sd, Nand_flash, usb
FIL file;
DIR DirInf;
FILINFO FileInf;
UINT br,bw; //读写变量
DIR dir; //目录
char *fn;
char filename[_MAX_LFN] = {0};
char filesize[50] = {0};
// ff.h 配置
/*---------------------------------------------------------------------------/
/ FatFs - FAT file system module configuration file R0.11 (C)ChaN, 2015
/---------------------------------------------------------------------------*/
#define _FFCONF 32020 /* Revision ID */
/*---------------------------------------------------------------------------/
/ Functions and Buffer Configurations
/---------------------------------------------------------------------------*/
#define _FS_TINY 0
/* This option switches tiny buffer configuration. (0:Normal or 1:Tiny)
/ At the tiny configuration, size of the file object (FIL) is reduced _MAX_SS
/ bytes. Instead of private sector buffer eliminated from the file object,
/ common sector buffer in the file system object (FATFS) is used for the file
/ data transfer. */
#define _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 _FS_MINIMIZE 0
/* This option defines minimization level to remove some basic API functions.
/
/ 0: All basic functions are enabled.
/ 1: f_stat(), f_getfree(), f_unlink(), f_mkdir(), f_chmod(), f_utime(),
/ f_truncate() and f_rename() function 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 _USE_STRFUNC 1
/* 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 _USE_FIND 0
/* This option switches filtered directory read feature and related functions,
/ f_findfirst() and f_findnext(). (0:Disable or 1:Enable) */
#define _USE_MKFS 1
/* This option switches f_mkfs() function. (0:Disable or 1:Enable) */
#define _USE_FASTSEEK 1
/* This option switches fast seek feature. (0:Disable or 1:Enable) */
#define _USE_LABEL 1
/* This option switches volume label functions, f_getlabel() and f_setlabel().
/ (0:Disable or 1:Enable) */
#define _USE_FORWARD 0
/* This option switches f_forward() function. (0:Disable or 1:Enable)
/ To enable it, also _FS_TINY need to be set to 1. */
/*---------------------------------------------------------------------------/
/ Locale and Namespace Configurations
/---------------------------------------------------------------------------*/
#define _CODE_PAGE 936 //采用中文GBK编码
/* This option specifies the OEM code page to be used on the target system.
/ Incorrect setting of the code page can cause a file open failure.
/
/ 1 - ASCII (No extended character. Non-LFN cfg. only)
/ 437 - U.S.
/ 720 - Arabic
/ 737 - Greek
/ 775 - Baltic
/ 850 - Multilingual Latin 1
/ 852 - Latin 2
/ 855 - Cyrillic
/ 857 - Turkish
/ 858 - Multilingual Latin 1 + Euro
/ 862 - Hebrew
/ 866 - Russian
/ 874 - Thai
/ 932 - Japanese Shift_JIS (DBCS)
/ 936 - Simplified Chinese GBK (DBCS)
/ 949 - Korean (DBCS)
/ 950 - Traditional Chinese Big5 (DBCS)
*/
#define _USE_LFN 2 /* 0 to 3 【由0 修改 1】*/
#define _MAX_LFN 255
/* The _USE_LFN option switches the LFN feature.
/
/ 0: Disable LFN feature. _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.
/
/ When enable the LFN feature, Unicode handling functions (option/unicode.c) must
/ be added to the project. The LFN working buffer occupies (_MAX_LFN + 1) * 2 bytes.
/ 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(), must be added to the project. */
#define _LFN_UNICODE 0
/* This option switches character encoding on the API. (0:ANSI/OEM or 1:Unicode)
/ To use Unicode string for the path name, enable LFN feature and set _LFN_UNICODE
/ to 1. This option also affects behavior of string I/O functions. */
#define _STRF_ENCODE 3
/* When _LFN_UNICODE is 1, this option selects the character encoding on the file to
/ be read/written via string I/O functions, f_gets(), f_putc(), f_puts and f_printf().
/
/ 0: ANSI/OEM
/ 1: UTF-16LE
/ 2: UTF-16BE
/ 3: UTF-8
/
/ When _LFN_UNICODE is 0, this option has no effect. */
#define _FS_RPATH 0
/* This option configures relative path feature.
/
/ 0: Disable relative path feature and remove related functions.
/ 1: Enable relative path feature. f_chdir() and f_chdrive() are available.
/ 2: f_getcwd() function is available in addition to 1.
/
/ Note that directory items read via f_readdir() are affected by this option. */
/*---------------------------------------------------------------------------/
/ Drive/Volume Configurations
/---------------------------------------------------------------------------*/
#define _VOLUMES 3 /* 【由0 修改 3, 支持3个盘符】 */
/* Number of volumes (logical drives) to be used. */
#define _STR_VOLUME_ID 0
#define _VOLUME_STRS "RAM","NAND","CF","SD1","SD2","USB1","USB2","USB3"
/* _STR_VOLUME_ID option switches string volume ID feature.
/ When _STR_VOLUME_ID is set to 1, also pre-defined strings can be used as drive
/ number in the path name. _VOLUME_STRS defines the drive ID strings for each
/ logical drives. Number of items must be equal to _VOLUMES. Valid characters for
/ the drive ID strings are: A-Z and 0-9. */
#define _MULTI_PARTITION 0
/* This option switches multi-partition feature. 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 multi-partition feature is enabled (1),
/ each logical drive number is bound to arbitrary physical drive and partition
/ listed in the VolToPart[]. Also f_fdisk() funciton will be available. */
#define _MIN_SS 512
#define _MAX_SS 512
/* These options configure the range of sector size to be supported. (512, 1024,
/ 2048 or 4096) Always set both 512 for most systems, all type of memory cards and
/ harddisk. But a larger value may be required for on-board flash memory and some
/ type of optical media. When _MAX_SS is larger than _MIN_SS, FatFs is configured
/ to variable sector size and GET_SECTOR_SIZE command must be implemented to the
/ disk_ioctl() function. */
#define _USE_TRIM 0
/* This option switches ATA-TRIM feature. (0:Disable or 1:Enable)
/ To enable Trim feature, also CTRL_TRIM command should be implemented to the
/ disk_ioctl() function. */
#define _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 _FS_NORTC 1
#define _NORTC_MON 2
#define _NORTC_MDAY 1
#define _NORTC_YEAR 2015
/* The _FS_NORTC option switches timestamp feature. If the system does not have
/ an RTC function or valid timestamp is not needed, set _FS_NORTC to 1 to disable
/ the timestamp feature. All objects modified by FatFs will have a fixed timestamp
/ defined by _NORTC_MON, _NORTC_MDAY and _NORTC_YEAR.
/ When timestamp feature is enabled (_FS_NORTC == 0), get_fattime() function need
/ to be added to the project to read current time form RTC. _NORTC_MON,
/ _NORTC_MDAY and _NORTC_YEAR have no effect.
/ These options have no effect at read-only configuration (_FS_READONLY == 1). */
#define _FS_LOCK 0 /* 0:Disable or >=1:Enable 【由0 修改 3, 支持同时打开3个文件】*/
/* The _FS_LOCK option switches file lock feature to control duplicated file open
/ and illegal operation to open objects. This option must be 0 when _FS_READONLY
/ is 1.
/
/ 0: Disable file lock feature. To avoid volume corruption, application program
/ should avoid illegal open, remove and rename to the open objects.
/ >0: Enable file lock feature. The value defines how many files/sub-directories
/ can be opened simultaneously under file lock control. Note that the file
/ lock feature is independent of re-entrancy. */
#define _FS_REENTRANT 0
#define _FS_TIMEOUT 1000
#define _SYNC_t HANDLE
/* The _FS_REENTRANT option 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 feature.
/
/ 0: Disable re-entrancy. _FS_TIMEOUT and _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 _FS_TIMEOUT defines timeout period in unit of time tick.
/ The _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.c. */
#define _WORD_ACCESS 0
/* The _WORD_ACCESS option is an only platform dependent option. It defines
/ which access method is used to the word data on the FAT volume.
/
/ 0: Byte-by-byte access. Always compatible with all platforms.
/ 1: Word access. Do not choose this unless under both the following conditions.
/
/ * Address misaligned memory access is always allowed to ALL instructions.
/ * Byte order on the memory is little-endian.
/
/ If it is the case, _WORD_ACCESS can also be set to 1 to reduce code size.
/ Following table shows allowable settings of some processor types.
/
/ ARM7TDMI 0 *2 ColdFire 0 *1 V850E 0 *2
/ Cortex-M3 0 *3 Z80 0/1 V850ES 0/1
/ Cortex-M0 0 *2 x86 0/1 TLCS-870 0/1
/ AVR 0/1 RX600(LE) 0/1 TLCS-900 0/1
/ AVR32 0 *1 RL78 0 *2 R32C 0 *2
/ PIC18 0/1 SH-2 0 *1 M16C 0/1
/ PIC24 0 *2 H8S 0 *1 MSP430 0 *2
/ PIC32 0 *1 H8/300H 0 *1 8051 0/1
/
/ *1:Big-endian.
/ *2:Unaligned memory access is not supported.
/ *3:Some compilers generate LDM/STM for mem_cpy function.
*/
// =======================================
void SD_UserFatfsInit(void)
{
__IO uint32_t cnt = 0;
__IO u8 FileCnt=0;
#if _USE_LFN > 0
char lfname[256];
#endif
if( SD_Detect() != SD_NOT_PRESENT ) //检测磁盘是否插好
{
{
result = f_mount(fs_my[FS_SD], "0:", 0); //fs_my[FS_SD] 这个如果改成 FATFS _fs; 就可以
if (result != FR_OK)
{
printf("\r\n挂载文件系统失败(%d)", result);
return;
}
else
printf("\r\n挂载文件系统成功");
printf("\r\nCardCapacity %lld", SDCardInfo.CardCapacity); //输出卡容量
printf("\r\nCardBlockSize %d", SDCardInfo.CardBlockSize); //输出卡块大小
printf("\r\nCardType %d", SDCardInfo.CardType); //输出卡类型
/* 打开根文件夹 */
result = f_opendir(&DirInf, "0:");
if (result != FR_OK)
{
printf("\r\n打开根目录失败(%d)", result);
return;
}
else
printf("\r\n打开根目录成功");
#if _USE_LFN > 0
// 读取当前文件夹下的文件和目录
FileInf.lfname = lfname;
FileInf.lfsize = 256;
#endif
// printf("\r\n属性 & 文件大小 & 文件名\r\n"); //输出内容格式
for (cnt = 0; ;cnt++)
{
result = f_readdir(&DirInf,&FileInf); /* 读取目录项，索引会自动下移 */
if (result != FR_OK || FileInf.fname[0] == 0)
{
break;
}
if (FileInf.fname[0] == '.')
{
continue;
}
#if _USE_LFN > 0
fn = *FileInf.lfname ? FileInf.lfname : FileInf.fname; //判断文件长短名
#else
fn = FileInf.fname;
#endif
/* 判断是文件还是子目录 */
if (FileInf.fattrib & AM_DIR)
{
printf("(0x%02d)目录 ", FileInf.fattrib);
//f_opendir(&DirInf, fn);
//f_readdir(&DirInf, &FileInf);
//if (FileInf.fattrib & AM_DIR)
//{
// printf("/%s", FileInf.fname);
//}
}
else
{
printf("(0x%02d)文件 ", FileInf.fattrib);
if((my_strstr(((char *)fn), ".txt")) == SUCCESS)
{
FileCnt ++; //文件个数
//读取sd卡数据，通过printf打印到串口
//Test_f2_read(((char *)&fn)); //Test_f2_read(FileInf.lfname);
result = f_open(&file, fn, FA_OPEN_EXISTING | FA_READ); //打开存在的文件，如果没有则返回错误
//SD_ReadWriteFatfsStatus(result); //通过串口发送SD卡成败信息，可以不用
if(result != FR_OK)
return ;
tFont.FontCode = FC_ST_16; // 字体代码 16点阵
tFont.FrontColor = CL_BLACK; //CL_BLUE; // 字体颜色
tFont.BackColor = CL_MASK; // 透明色
tFont.Space = 6;
LCD_ClrScr(CL_WHITE);
for (;;)
{
result = f_read(&file, &SD_RWBuff[0]/*fsrc.buf*/, sizeof(SD_RWBuff), &br);
if (result || (br == 0))
break; // error or eof 错误或者读取完成
strcpy((char *)&filename, "文件名:");
strcat((char *)&filename, fn);
LCD_DispStr(32, 0, (u8 *)&filename, &tFont); //LCD显示文件名称
strcpy((char *)&filename, "文件大小:");
sprintf((char *)&filesize, "%d Byte", FileInf.fsize);
strcat((char *)&filename, (char *)&filesize);
LCD_DispStr(32, 21, (u8 *)&filename, &tFont); //LCD显示文件大小
LCD_DispStr(32, 42, (u8 *)&SD_RWBuff, &tFont); //LCD显示sd卡里面的内容
}
}
f_close(&file); // Close all files
}
}
f_mount(NULL,"0:",0); //f_mount(0, NULL); /* 卸载文件系统 , 文件挂起来*/
}
}
}
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发表于 2015-8-5 11:04:39
~下午想办法传上来~~
