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)

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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.

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Define Documentation

#define MAX_FILE_LENGHT   30

Definition at line 57 of file nav_utils.h.

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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 68 of file nav_utils.c.

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

{
   str_code_to_str_ram( str, str_ram );
   return nav_setcwd( (FS_STRING)str_ram, b_case_sensitive, b_create);
}

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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 85 of file nav_utils.c.

References i, and str_ram.

{
   U8 i;
   for(i=0;i<MAX_FILE_LENGHT;i++)
#ifndef __GNUC__
   {   str_ram[i]=string_code[i];}
#else
   {   str_ram[i]=pgm_read_byte_near((unsigned int)string_code+i); }
#endif   
}

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 103 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.

{
   Fs_index sav_index;
   char s_name[SIZE_NAME_COPY];
   U8 u8_folder_level = 0;

   if( b_print ) printf("\n\r");
   // Save the position
   sav_index = nav_getindex();

   //** Use three navigators (to explore source, to explore destination, to copy file routine)
   // Select source directory
   if( b_print ) printf("Select source directory\n\r");
   nav_select( FS_NAV_ID_COPY_SRC_DIR );
   if( !goto_code_name( string_src, FALSE, FALSE ) )
      goto copy_dir_error;
   nav_filelist_reset();
   // Select destination directory
   if( b_print ) printf("Select destination directory\n\r");
   nav_select( FS_NAV_ID_COPY_DST_DIR );
   if( !goto_code_name( string_dst, FALSE, TRUE ) )
      goto copy_dir_error;
   nav_filelist_reset();


   // loop to scan and create ALL folders and files
   while(1)
   {
      // No dir in current dir then go to parent dir on SD and NandFlash disk
      while(1)
      {
         //printf("Search files or dir\n\r");
         // Reselect SD
         nav_select( FS_NAV_ID_COPY_SRC_DIR );
         if( nav_filelist_set( 0 , FS_FIND_NEXT ) )
            break;   // a next file and directory is found
   
         // No other dir or file in current dir then go to parent dir on SD and NandFlash disk
         if( 0 == u8_folder_level )
         {
            // end of update folder
            //********* END OF COPY **************
            goto copy_dir_finish;
         }

         if( b_print ) printf("Go to parent\n\r");
         // Remark, nav_dir_gotoparent() routine go to in parent dir and select the children dir in list
         u8_folder_level--;
         if( !nav_dir_gotoparent() )
            goto copy_dir_error;
         // Select NandFlash navigator and go to the same dir of SD
         nav_select( FS_NAV_ID_COPY_DST_DIR );
         if( !nav_dir_gotoparent() )
            goto copy_dir_error;
      } // end of while (1)
      
      if( nav_file_isdir())
      {
         if( b_print ) printf("Dir found - create dir: ");
         //** here, a new directory is found and is selected
         // Get name of current selection (= dir name on SD)
         if( !nav_file_name( (FS_STRING)s_name, MAX_FILE_LENGHT, FS_NAME_GET, FALSE ))
            goto copy_dir_error;
         // Enter in dir (on SD)
         if( !nav_dir_cd())
            goto copy_dir_error;
         u8_folder_level++;
         // Select NandFlash disk
         nav_select( FS_NAV_ID_COPY_DST_DIR );
         // Create folder in NandFlash disk
         if( b_print ) printf((char*)s_name);
         if( b_print ) printf("\n\r");
         if( !nav_dir_make( (FS_STRING )s_name ))
         {
            if( FS_ERR_FILE_EXIST != fs_g_status )
               goto copy_dir_error;
            // here, error the name exist
         }
         // Here the navigator have selected the folder on NandFlash
         if( !nav_dir_cd())
         {
            if( FS_ERR_NO_DIR == fs_g_status )
            {
               // FYC -> Copy impossible, because a file have the same name of folder
            }
            goto copy_dir_error;
         }
         // here, the folder is created and the navigatorS is entered in this dir
      }
      else
      {
         if( b_print ) printf("File found - copy file: ");
         //** here, a new file is found and is selected
         // Get name of current selection (= file name on SD)
         if( !nav_file_name( (FS_STRING)s_name, MAX_FILE_LENGHT, FS_NAME_GET, FALSE ))
            goto copy_dir_error;
         if( b_print ) printf((char*)s_name);
         if( b_print ) printf("\n\r");
         if( !nav_file_copy())
            goto copy_dir_error;

         // Paste file in current dir of NandFlash disk
         nav_select( FS_NAV_ID_COPY_DST_DIR );
         while( !nav_file_paste_start( (FS_STRING)s_name ) )
         {
            // Error
            if( fs_g_status != FS_ERR_FILE_EXIST )
               goto copy_dir_error;
            // File exists then deletes this one
            if( b_print ) printf("File exists then deletes this one.\n\r");
            if( !nav_file_del( TRUE ) )
               goto copy_dir_error;
            // here, retry PASTE                   
         }
         // Copy running
         {
         U8 status;
         do{
            status = nav_file_paste_state(FALSE);
         }while( COPY_BUSY == status );

         if( COPY_FINISH != status )
            goto copy_dir_error;
         }
      } // if dir OR file
   } // end of first while(1)
 
copy_dir_error:
   // Restore the position
   nav_select( FS_NAV_ID_USHELL_CMD );
   nav_gotoindex(&sav_index);
   if( b_print ) printf("!!!copy fail\n\r");
   return FALSE;
   
copy_dir_finish:
   // Restore the position
   nav_select( FS_NAV_ID_USHELL_CMD );
   nav_gotoindex(&sav_index);
   if( b_print ) printf("End of copy\n\r");
   return TRUE;
}

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