nav_utils.h File Reference

#include "config.h"
#include "modules/file_system/fat.h"
#include "modules/file_system/fs_com.h"
#include "modules/file_system/navigation.h"

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Defines

#define MAX_FILE_LENGHT   30

Functions

U8 goto_code_name (U8 code *str, Bool b_case_sensitive, Bool b_create)
void str_code_to_str_ram (U8 code string_code[], U8 str_ram[30])
Bool copy_dir (U8 code string_src[], U8 code string_dst[], Bool b_print)


Detailed Description

This file provides other related file name management for file system navigation - Compiler: IAR EWAVR and GNU GCC for AVR
Author:
Atmel Corporation: http://www.atmel.com
Support and FAQ: http://support.atmel.no/

Definition in file nav_utils.h.


Define Documentation

#define MAX_FILE_LENGHT   30

Definition at line 60 of file nav_utils.h.


Function Documentation

U8 goto_code_name ( U8 code *  str,
Bool  b_case_sensitive,
Bool  b_create 
)

set the explorer navigator to the corresponding file or directory name stored in flash.

Parameters:
*str,: the file or directory name to found
case_sensitive 
Returns:
status: TRUE for ok, FALSE if the name is not found

Definition at line 71 of file nav_utils.c.

References nav_setcwd(), str_code_to_str_ram(), and str_ram.

00073 {
00074    str_code_to_str_ram( str, str_ram );
00075    return nav_setcwd( (FS_STRING)str_ram, b_case_sensitive, b_create);
00076 }

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void str_code_to_str_ram ( U8 code  string_code[],
U8  str_ram[30] 
)

copy an string code to a ram buffer

Parameters:
U8 code string_code: the string code pointer
U8 *str_ram: the ram buffer pointer
Returns:
none

Definition at line 88 of file nav_utils.c.

References i, and str_ram.

00090 {
00091    U8 i;
00092    for(i=0;i<MAX_FILE_LENGHT;i++)
00093 #ifndef __GNUC__
00094    {   str_ram[i]=string_code[i];}
00095 #else
00096    {   str_ram[i]=pgm_read_byte_near((unsigned int)string_code+i); }
00097 #endif   
00098 }

Bool copy_dir ( U8 code  string_src[],
U8 code  string_dst[],
Bool  b_print 
)

This function copys a source directory to an other directory

Definition at line 106 of file nav_utils.c.

References COPY_BUSY, COPY_FINISH, FALSE, FS_ERR_FILE_EXIST, FS_ERR_NO_DIR, FS_FIND_NEXT, fs_g_status, FS_NAME_GET, FS_NAV_ID_COPY_DST_DIR, FS_NAV_ID_COPY_SRC_DIR, FS_NAV_ID_USHELL_CMD, goto_code_name(), nav_dir_cd(), nav_dir_gotoparent(), nav_dir_make(), nav_file_copy(), nav_file_del(), nav_file_isdir(), nav_file_name(), nav_file_paste_start(), nav_file_paste_state(), nav_filelist_reset(), nav_filelist_set(), nav_getindex(), nav_gotoindex(), nav_select(), SIZE_NAME_COPY, and TRUE.

00108 {
00109    Fs_index sav_index;
00110    char s_name[SIZE_NAME_COPY];
00111    U8 u8_folder_level = 0;
00112 
00113    if( b_print ) printf("\n\r");
00114    // Save the position
00115    sav_index = nav_getindex();
00116 
00117    //** Use three navigators (to explore source, to explore destination, to copy file routine)
00118    // Select source directory
00119    if( b_print ) printf("Select source directory\n\r");
00120    nav_select( FS_NAV_ID_COPY_SRC_DIR );
00121    if( !goto_code_name( string_src, FALSE, FALSE ) )
00122       goto copy_dir_error;
00123    nav_filelist_reset();
00124    // Select destination directory
00125    if( b_print ) printf("Select destination directory\n\r");
00126    nav_select( FS_NAV_ID_COPY_DST_DIR );
00127    if( !goto_code_name( string_dst, FALSE, TRUE ) )
00128       goto copy_dir_error;
00129    nav_filelist_reset();
00130 
00131 
00132    // loop to scan and create ALL folders and files
00133    while(1)
00134    {
00135       // No dir in current dir then go to parent dir on SD and NandFlash disk
00136       while(1)
00137       {
00138          //printf("Search files or dir\n\r");
00139          // Reselect SD
00140          nav_select( FS_NAV_ID_COPY_SRC_DIR );
00141          if( nav_filelist_set( 0 , FS_FIND_NEXT ) )
00142             break;   // a next file and directory is found
00143    
00144          // No other dir or file in current dir then go to parent dir on SD and NandFlash disk
00145          if( 0 == u8_folder_level )
00146          {
00147             // end of update folder
00148             //********* END OF COPY **************
00149             goto copy_dir_finish;
00150          }
00151 
00152          if( b_print ) printf("Go to parent\n\r");
00153          // Remark, nav_dir_gotoparent() routine go to in parent dir and select the children dir in list
00154          u8_folder_level--;
00155          if( !nav_dir_gotoparent() )
00156             goto copy_dir_error;
00157          // Select NandFlash navigator and go to the same dir of SD
00158          nav_select( FS_NAV_ID_COPY_DST_DIR );
00159          if( !nav_dir_gotoparent() )
00160             goto copy_dir_error;
00161       } // end of while (1)
00162       
00163       if( nav_file_isdir())
00164       {
00165          if( b_print ) printf("Dir found - create dir: ");
00166          //** here, a new directory is found and is selected
00167          // Get name of current selection (= dir name on SD)
00168          if( !nav_file_name( (FS_STRING)s_name, MAX_FILE_LENGHT, FS_NAME_GET, FALSE ))
00169             goto copy_dir_error;
00170          // Enter in dir (on SD)
00171          if( !nav_dir_cd())
00172             goto copy_dir_error;
00173          u8_folder_level++;
00174          // Select NandFlash disk
00175          nav_select( FS_NAV_ID_COPY_DST_DIR );
00176          // Create folder in NandFlash disk
00177          if( b_print ) printf((char*)s_name);
00178          if( b_print ) printf("\n\r");
00179          if( !nav_dir_make( (FS_STRING )s_name ))
00180          {
00181             if( FS_ERR_FILE_EXIST != fs_g_status )
00182                goto copy_dir_error;
00183             // here, error the name exist
00184          }
00185          // Here the navigator have selected the folder on NandFlash
00186          if( !nav_dir_cd())
00187          {
00188             if( FS_ERR_NO_DIR == fs_g_status )
00189             {
00190                // FYC -> Copy impossible, because a file have the same name of folder
00191             }
00192             goto copy_dir_error;
00193          }
00194          // here, the folder is created and the navigatorS is entered in this dir
00195       }
00196       else
00197       {
00198          if( b_print ) printf("File found - copy file: ");
00199          //** here, a new file is found and is selected
00200          // Get name of current selection (= file name on SD)
00201          if( !nav_file_name( (FS_STRING)s_name, MAX_FILE_LENGHT, FS_NAME_GET, FALSE ))
00202             goto copy_dir_error;
00203          if( b_print ) printf((char*)s_name);
00204          if( b_print ) printf("\n\r");
00205          if( !nav_file_copy())
00206             goto copy_dir_error;
00207 
00208          // Paste file in current dir of NandFlash disk
00209          nav_select( FS_NAV_ID_COPY_DST_DIR );
00210          while( !nav_file_paste_start( (FS_STRING)s_name ) )
00211          {
00212             // Error
00213             if( fs_g_status != FS_ERR_FILE_EXIST )
00214                goto copy_dir_error;
00215             // File exists then deletes this one
00216             if( b_print ) printf("File exists then deletes this one.\n\r");
00217             if( !nav_file_del( TRUE ) )
00218                goto copy_dir_error;
00219             // here, retry PASTE                   
00220          }
00221          // Copy running
00222          {
00223          U8 status;
00224          do{
00225             status = nav_file_paste_state(FALSE);
00226          }while( COPY_BUSY == status );
00227 
00228          if( COPY_FINISH != status )
00229             goto copy_dir_error;
00230          }
00231       } // if dir OR file
00232    } // end of first while(1)
00233  
00234 copy_dir_error:
00235    // Restore the position
00236    nav_select( FS_NAV_ID_USHELL_CMD );
00237    nav_gotoindex(&sav_index);
00238    if( b_print ) printf("!!!copy fail\n\r");
00239    return FALSE;
00240    
00241 copy_dir_finish:
00242    // Restore the position
00243    nav_select( FS_NAV_ID_USHELL_CMD );
00244    nav_gotoindex(&sav_index);
00245    if( b_print ) printf("End of copy\n\r");
00246    return TRUE;
00247 }

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