创建mbed
Dependencies: EthernetInterface SDFileSystem mbed-rtos mbed
filelib.h
- Committer:
- sunyiming
- Date:
- 2018-03-06
- Revision:
- 1:6465a3f5c58a
- Parent:
- 0:610235504baa
File content as of revision 1:6465a3f5c58a:
#ifndef filelib
#define filelib
#include "mbed.h"
#include <time.h>
#include <ff.h> //found in lib SDFileSystem->FATFileSystem/ChaN
#include "SDFileSystem.h"
/*
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 parameter error
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 > _FS_SHARE
FR_INVALID_PARAMETER // (19) Given parameter is invalid
} FRESULT;
*/
/*
mode_t values in octal
S_IFREG 0100000
S_IFDIR 040000
S_IRUSR 0400 read permission, owner
S_IWUSR 0200 write permission, owner
S_IXUSR 0100 execute/search permission, owner
S_IRGRP 040 read permission, group
S_IWGRP 020 write permission, group
S_IXGRP 010 execute/search permission, group
S_IROTH 04 read permission, others
S_IWOTH 02 write permission, others
S_IXOTH 01 execute/search permission, others
*/
struct sMystat {
// dev_t st_dev; /* ID of device containing file */
// ino_t st_ino; /* inode number */
mode_t st_mode; /* protection */
// nlink_t st_nlink; /* number of hard links */
// uid_t st_uid; /* user ID of owner */
// gid_t st_gid; /* group ID of owner */
// dev_t st_rdev; /* device ID (if special file) */
// off_t st_size; /* total size, in bytes */
DWORD st_size; /* total size, in bytes */
// blksize_t st_blksize; /* blocksize for file system I/O */
// blkcnt_t st_blocks; /* number of 512B blocks allocated */
// time_t st_atime; /* time of last access */
time_t st_mtime; /* time of last modification */
// time_t st_ctime; /* time of last status change */
};
sMystat myStatBuf; //store info for file
FILINFO finfo; //global file info struct see ff.h
FATFS_DIR dinfo; //global directoty info struct see ff.h
FRESULT get_fileInfo(const char *path) //use finfo for get result fields
{
FRESULT res = f_stat(path,&finfo); /* Get file status */
if (EnDebugMSG)
if (res)
printf("\n-->get_fileInfo:%s ,res=%d ,Not Found!",path,res);
else
printf("\n-->get_fileInfo:%s ,res=%d ,Found!",path,res);
return res;
}
FRESULT get_dirInfo(const char *path)
{
FRESULT res= f_opendir (&dinfo,path); /* FR_OK(0): successful, !=0: error code */
if (EnDebugMSG)
if (res)
printf("\n-->get_dirInfo :%s res=%d ,This is Not Directory!",path,res);
else
printf("\n-->get_dirInfo :%s res=%d ,This is Directory!",path,res);
return res;
}
FRESULT Mystat(const char *path, struct sMystat *buf)
{
FRESULT res = f_stat(path,&finfo); /* Get file status */
if (res == FR_OK) {
buf->st_size = finfo.fsize;
buf->st_mtime = finfo.ftime; //fdate;
buf->st_mode = 4; //?
}
if (EnDebugMSG)
printf("\n--Mystat Path:%s ,filesize:%14lld ,res=%d",path, buf->st_size, res);
return res;
}
static char* get_mime_type( char* filename )
{
char* extension;
extension = strrchr( filename, '.' ); //get string after last .
if (EnDebugMSG)
printf("\n-->get_mime_tipe filename:%s, extension:%s",filename, extension);
if (extension !=NULL) {
if (strcasecmp(extension,".htm")==0 || strcasecmp(extension,".html") ==0)
return "text/html; charset=iso-8859-1";
if (strcasecmp(extension,".png")==0)
return "image/png";
if (strcasecmp(extension,".css")==0)
return "text/css";
if (strcasecmp(extension,".gif")==0)
return "image/gif";
if (strcasecmp(extension,".jpg")==0 || strcasecmp(extension,".jpeg" )==0)
return "image/jpeg";
}
return "text/plain; charset=iso-8859-1";
}
#endif