this camera C328 http sdcard file server example is for academy

Dependencies:   CameraC328 SDFileSystem WIZnetInterface mbed

Insert below jpg file in your SDcard to take a picture in Web Server /media/uploads/IOP/take_a_picture.zip

Committer:
IOP
Date:
Tue Aug 11 05:36:28 2015 +0000
Revision:
3:e6025c5b25e4
Parent:
0:0a851a60b7a6
take picture function organization

Who changed what in which revision?

UserRevisionLine numberNew contents of line
IOP 0:0a851a60b7a6 1 #ifndef filelib
IOP 0:0a851a60b7a6 2 #define filelib
IOP 0:0a851a60b7a6 3
IOP 0:0a851a60b7a6 4 #include "mbed.h"
IOP 0:0a851a60b7a6 5 #include <time.h>
IOP 0:0a851a60b7a6 6 #include <ff.h> //found in lib SDFileSystem->FATFileSystem/ChaN
IOP 0:0a851a60b7a6 7 #include "SDFileSystem.h"
IOP 0:0a851a60b7a6 8
IOP 0:0a851a60b7a6 9
IOP 0:0a851a60b7a6 10 /*
IOP 0:0a851a60b7a6 11 typedef enum {
IOP 0:0a851a60b7a6 12 FR_OK = 0, // (0) Succeeded
IOP 0:0a851a60b7a6 13 FR_DISK_ERR, // (1) A hard error occurred in the low level disk I/O layer
IOP 0:0a851a60b7a6 14 FR_INT_ERR, // (2) Assertion failed
IOP 0:0a851a60b7a6 15 FR_NOT_READY, // (3) The physical drive cannot work
IOP 0:0a851a60b7a6 16 FR_NO_FILE, // (4) Could not find the file
IOP 0:0a851a60b7a6 17 FR_NO_PATH, // (5) Could not find the path
IOP 0:0a851a60b7a6 18 FR_INVALID_NAME, // (6) The path name format is invalid
IOP 0:0a851a60b7a6 19 FR_DENIED, // (7) Access denied due to prohibited access or directory full
IOP 0:0a851a60b7a6 20 FR_EXIST, // (8) Access denied due to prohibited access
IOP 0:0a851a60b7a6 21 FR_INVALID_OBJECT, // (9) The file/directory object is invalid
IOP 0:0a851a60b7a6 22 FR_WRITE_PROTECTED, // (10) The physical drive is write protected
IOP 0:0a851a60b7a6 23 FR_INVALID_DRIVE, // (11) The logical drive number is invalid
IOP 0:0a851a60b7a6 24 FR_NOT_ENABLED, // (12) The volume has no work area
IOP 0:0a851a60b7a6 25 FR_NO_FILESYSTEM, // (13) There is no valid FAT volume
IOP 0:0a851a60b7a6 26 FR_MKFS_ABORTED, // (14) The f_mkfs() aborted due to any parameter error
IOP 0:0a851a60b7a6 27 FR_TIMEOUT, // (15) Could not get a grant to access the volume within defined period
IOP 0:0a851a60b7a6 28 FR_LOCKED, // (16) The operation is rejected according to the file sharing policy
IOP 0:0a851a60b7a6 29 FR_NOT_ENOUGH_CORE, // (17) LFN working buffer could not be allocated
IOP 0:0a851a60b7a6 30 FR_TOO_MANY_OPEN_FILES, // (18) Number of open files > _FS_SHARE
IOP 0:0a851a60b7a6 31 FR_INVALID_PARAMETER // (19) Given parameter is invalid
IOP 0:0a851a60b7a6 32 } FRESULT;
IOP 0:0a851a60b7a6 33
IOP 0:0a851a60b7a6 34 */
IOP 0:0a851a60b7a6 35 /*
IOP 0:0a851a60b7a6 36 mode_t values in octal
IOP 0:0a851a60b7a6 37 S_IFREG 0100000
IOP 0:0a851a60b7a6 38 S_IFDIR 040000
IOP 0:0a851a60b7a6 39 S_IRUSR 0400 read permission, owner
IOP 0:0a851a60b7a6 40 S_IWUSR 0200 write permission, owner
IOP 0:0a851a60b7a6 41 S_IXUSR 0100 execute/search permission, owner
IOP 0:0a851a60b7a6 42 S_IRGRP 040 read permission, group
IOP 0:0a851a60b7a6 43 S_IWGRP 020 write permission, group
IOP 0:0a851a60b7a6 44 S_IXGRP 010 execute/search permission, group
IOP 0:0a851a60b7a6 45 S_IROTH 04 read permission, others
IOP 0:0a851a60b7a6 46 S_IWOTH 02 write permission, others
IOP 0:0a851a60b7a6 47 S_IXOTH 01 execute/search permission, others
IOP 0:0a851a60b7a6 48 */
IOP 0:0a851a60b7a6 49 struct sMystat {
IOP 0:0a851a60b7a6 50 // dev_t st_dev; /* ID of device containing file */
IOP 0:0a851a60b7a6 51 // ino_t st_ino; /* inode number */
IOP 0:0a851a60b7a6 52 mode_t st_mode; /* protection */
IOP 0:0a851a60b7a6 53 // nlink_t st_nlink; /* number of hard links */
IOP 0:0a851a60b7a6 54 // uid_t st_uid; /* user ID of owner */
IOP 0:0a851a60b7a6 55 // gid_t st_gid; /* group ID of owner */
IOP 0:0a851a60b7a6 56 // dev_t st_rdev; /* device ID (if special file) */
IOP 0:0a851a60b7a6 57 // off_t st_size; /* total size, in bytes */
IOP 0:0a851a60b7a6 58 DWORD st_size; /* total size, in bytes */
IOP 0:0a851a60b7a6 59 // blksize_t st_blksize; /* blocksize for file system I/O */
IOP 0:0a851a60b7a6 60 // blkcnt_t st_blocks; /* number of 512B blocks allocated */
IOP 0:0a851a60b7a6 61 // time_t st_atime; /* time of last access */
IOP 0:0a851a60b7a6 62 time_t st_mtime; /* time of last modification */
IOP 0:0a851a60b7a6 63 // time_t st_ctime; /* time of last status change */
IOP 0:0a851a60b7a6 64 };
IOP 0:0a851a60b7a6 65
IOP 0:0a851a60b7a6 66 sMystat myStatBuf; //store info for file
IOP 0:0a851a60b7a6 67 FILINFO finfo; //global file info struct see ff.h
IOP 0:0a851a60b7a6 68 FATFS_DIR dinfo; //global directoty info struct see ff.h
IOP 0:0a851a60b7a6 69
IOP 0:0a851a60b7a6 70 FRESULT get_fileInfo(const char *path) //use finfo for get result fields
IOP 0:0a851a60b7a6 71 {
IOP 0:0a851a60b7a6 72 FRESULT res = f_stat(path,&finfo); /* Get file status */
IOP 0:0a851a60b7a6 73 if (EnDebugMSG)
IOP 0:0a851a60b7a6 74 if (res)
IOP 0:0a851a60b7a6 75 printf("\n-->get_fileInfo:%s ,res=%d ,Not Found!",path,res);
IOP 0:0a851a60b7a6 76 else
IOP 0:0a851a60b7a6 77 printf("\n-->get_fileInfo:%s ,res=%d ,Found!",path,res);
IOP 0:0a851a60b7a6 78 return res;
IOP 0:0a851a60b7a6 79 }
IOP 0:0a851a60b7a6 80
IOP 0:0a851a60b7a6 81 FRESULT get_dirInfo(const char *path)
IOP 0:0a851a60b7a6 82 {
IOP 0:0a851a60b7a6 83 FRESULT res= f_opendir (&dinfo,path); /* FR_OK(0): successful, !=0: error code */
IOP 0:0a851a60b7a6 84 if (EnDebugMSG)
IOP 0:0a851a60b7a6 85 if (res)
IOP 0:0a851a60b7a6 86 printf("\n-->get_dirInfo :%s res=%d ,This is Not Directory!",path,res);
IOP 0:0a851a60b7a6 87 else
IOP 0:0a851a60b7a6 88 printf("\n-->get_dirInfo :%s res=%d ,This is Directory!",path,res);
IOP 0:0a851a60b7a6 89 return res;
IOP 0:0a851a60b7a6 90 }
IOP 0:0a851a60b7a6 91
IOP 0:0a851a60b7a6 92 FRESULT Mystat(const char *path, struct sMystat *buf)
IOP 0:0a851a60b7a6 93 {
IOP 0:0a851a60b7a6 94 FRESULT res = f_stat(path,&finfo); /* Get file status */
IOP 0:0a851a60b7a6 95 if (res == FR_OK) {
IOP 0:0a851a60b7a6 96 buf->st_size = finfo.fsize;
IOP 0:0a851a60b7a6 97 buf->st_mtime = finfo.ftime; //fdate;
IOP 0:0a851a60b7a6 98 buf->st_mode = 4; //?
IOP 0:0a851a60b7a6 99 }
IOP 0:0a851a60b7a6 100 if (EnDebugMSG)
IOP 0:0a851a60b7a6 101 printf("\n--Mystat Path:%s ,filesize:%14lld ,res=%d",path, buf->st_size, res);
IOP 0:0a851a60b7a6 102 return res;
IOP 0:0a851a60b7a6 103 }
IOP 0:0a851a60b7a6 104
IOP 0:0a851a60b7a6 105
IOP 0:0a851a60b7a6 106 static char* get_mime_type( char* filename )
IOP 0:0a851a60b7a6 107 {
IOP 0:0a851a60b7a6 108 char* extension;
IOP 0:0a851a60b7a6 109 extension = strrchr( filename, '.' ); //get string after last .
IOP 0:0a851a60b7a6 110 if (EnDebugMSG)
IOP 0:0a851a60b7a6 111 printf("\n-->get_mime_tipe filename:%s, extension:%s",filename, extension);
IOP 0:0a851a60b7a6 112 if (extension !=NULL) {
IOP 0:0a851a60b7a6 113 if (strcasecmp(extension,".htm")==0 || strcasecmp(extension,".html") ==0)
IOP 0:0a851a60b7a6 114 return "text/html; charset=iso-8859-1";
IOP 0:0a851a60b7a6 115 if (strcasecmp(extension,".png")==0)
IOP 0:0a851a60b7a6 116 return "image/png";
IOP 0:0a851a60b7a6 117 if (strcasecmp(extension,".css")==0)
IOP 0:0a851a60b7a6 118 return "text/css";
IOP 0:0a851a60b7a6 119 if (strcasecmp(extension,".gif")==0)
IOP 0:0a851a60b7a6 120 return "image/gif";
IOP 0:0a851a60b7a6 121 if (strcasecmp(extension,".jpg")==0 || strcasecmp(extension,".jpeg" )==0)
IOP 0:0a851a60b7a6 122 return "image/jpeg";
IOP 0:0a851a60b7a6 123 }
IOP 0:0a851a60b7a6 124 return "text/plain; charset=iso-8859-1";
IOP 0:0a851a60b7a6 125 }
IOP 0:0a851a60b7a6 126
IOP 0:0a851a60b7a6 127 #endif