Diff: filelib.h

Revision:

0:0a851a60b7a6

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/filelib.h	Tue Jul 28 07:27:08 2015 +0000
@@ -0,0 +1,127 @@
+#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