//! @brief This function displays the free space of each drive present
//!
void ushell_cmd_free_space( void )
{
uint8_t u8_tmp;
Fs_index sav_index = nav_getindex(); // Save current position
for( u8_tmp=0; u8_tmp<nav_drive_nb(); u8_tmp++ )
{
nav_drive_set( u8_tmp ); // Select drive
if( !nav_partition_mount() ) // Mount drive
continue;
// Display drive letter name (a, b...)
printf("%c: %s\r\n", 'a'+u8_tmp, mem_name(u8_tmp) );
if( g_s_arg[0][0]=='l' ) // Choose command option
{
// Long and exact function
printf("Free space: %llu Bytes / %llu Bytes\n\r",
(uint64_t)(nav_partition_freespace() << FS_SHIFT_B_TO_SECTOR),
(uint64_t)(nav_partition_space() << FS_SHIFT_B_TO_SECTOR));
}
else
{
// Otherwise use fast command
printf("Free space: %u %%\n\r", nav_partition_freespace_percent() );
}
}
nav_gotoindex(&sav_index); // Restore position
}
//! @brief This function display all drives present
//!
void ushell_cmd_nb_drive( void )
{
uint8_t u8_tmp;
printf("Memory interface available:\r\n");
for( u8_tmp=0; u8_tmp<nav_drive_nb(); u8_tmp++ )
{
// Display drive letter name (a, b...)
printf("%c: %s\r\n", 'a'+u8_tmp, mem_name(u8_tmp) );
}
}
//! @brief This function displays the disk space of current drive
//!
void ushell_cmd_space( void )
{
uint32_t u32_space;
// Display drive letter name (a, b...)
fputs( mem_name(nav_drive_get()), stdout);
putchar(' ');
putchar( nav_drive_get()+'a');
// Otherwise use fast command
u32_space = nav_partition_space();
if( 1024 >(u32_space % (2*1024)) )
{
u32_space = u32_space/(2*1024);
}else{
u32_space = (u32_space/(2*1024))+1;
}
printf(": space: %luMB \n\r", u32_space );
}
bool custom_allocator::recover_alloc_info(void * page,unsigned int page_size)
{
MEM_BLOCK * block = (MEM_BLOCK *)page;
char * end = (char *)page + page_size;
while((char*)block<end)
{
if ( block->is_valid()==false )
return false;
switch ( block->_state )
{
case EMPTY_BLOCK:
_free_blocks.insert(block);
break;
case ALLOCATED_BLOCK:
{
if ( block->_name_len>0 )
{
// 保存名字内存映射表
std::string mem_name((char *)block + block->_size - block->_name_len,block->_name_len);
mem_name += '\0';
_alloc_blocks[mem_name] = block+1;
}else
{
// 没有名字时用地址做名字
char mem_name[256];
sprintf(mem_name,"0x%x",block);
_alloc_blocks[mem_name] = block+1;
}
break;
}
default:
return false;
}
block = (MEM_BLOCK *)((char *)block + block->_size);
}
return true;
}
//! @brief This function manages the ls command
//!
//! @param b_more enable the '|more' management when true otherwise no '|more' management
//!
void ushell_cmd_ls( bool b_more )
{
uint8_t str_char[MAX_FILE_PATH_LENGTH];
uint16_t u16_i,u16_nb_file,u16_nb_dir,last_i;
uint8_t ext_filter=false;
//** Print drive name
printf("%c: volume is %s\r\n", 'a'+nav_drive_get(), mem_name(nav_drive_get()) );
printf("Drive uses ");
switch (nav_partition_type())
{
case FS_TYPE_FAT_12:
printf("FAT12\n\r");
break;
case FS_TYPE_FAT_16:
printf("FAT16\n\r");
break;
case FS_TYPE_FAT_32:
printf("FAT32\n\r");
break;
default:
printf("an unknown partition type\r\n");
return;
}
//** Print directory name
if( !nav_dir_name( (FS_STRING)str_char, MAX_FILE_PATH_LENGTH ) )
return;
printf("Dir name is %s\n\r",str_char);
//** Check extension filter in extra parameters
if(g_s_arg[0][0]!=0)
{
if(g_s_arg[0][0] == '*' && g_s_arg[0][1]=='.')
{
ext_filter=true;
for(u16_i=2; u16_i<USHELL_SIZE_CMD_LINE; u16_i++)
{
g_s_arg[0][u16_i-2]=g_s_arg[0][u16_i];
}
}
}
//** Print files list
printf(" Size Name\n\r");
// Init loop at the beginning of directory
nav_filelist_reset();
u16_nb_file=0;
u16_nb_dir=0;
last_i=0;
// For each file in list
while( nav_filelist_set(0,FS_FIND_NEXT) )
{
if(!ext_filter)
{
// No extension filter
if( nav_file_isdir() )
{
printf("Dir ");
u16_nb_dir++; // count the number of directory
}else{
printf(" ");
}
}
else
{
// If extension filter then ignore directories
if(nav_file_isdir())
continue;
// Check extension
if(!nav_file_checkext((FS_STRING)g_s_arg[0]))
continue;
}
u16_nb_file++; // count the total of files (directories and files)
// Check 'more' step
if( b_more && ((u16_nb_file%USHELL_NB_LINE)==0) && (u16_nb_file!=0) && (last_i != u16_nb_file) )
{
last_i=u16_nb_file;
if( !ushell_more_wait() )
return; // Exit LS command
}
// Display file
nav_file_name((FS_STRING)str_char, MAX_FILE_PATH_LENGTH, FS_NAME_GET, true);
printf("%10lu %s\n\r", nav_file_lgt(), str_char);
}
// Display total number
printf(" %4i Files\r\n", u16_nb_file-u16_nb_dir );
printf(" %4i Dir\r\n", u16_nb_dir );
}
