#include "compiler.h"
#include "wdt.h"
#include "conf_explorer.h"
#include "nav_automatic.h"
#include "file.h"
#include <LIB_CTRLACCESS>
#include <LIB_MEM>

Macros
#define	FS_NAV_AUTOMATIC_NBFILE DISABLE
	The FS_NAV_AUTOMATIC_NBFILE define changes the rule to create a file list from directories When this define is enabled, the files from a directory are included before files from sub directories. More...

Typedefs
typedef navauto_mov_explorer_rec_t(*	navauto_mov_explorer_process_fct_t )(bool)

Enumerations
enum	navauto_mov_explorer_rec_t { NAVAUTO_MOV_EXPLORER_OK, NAVAUTO_MOV_EXPLORER_ERROR, NAVAUTO_MOV_EXPLORER_RECURSIVE, NAVAUTO_MOV_EXPLORER_OK, NAVAUTO_MOV_EXPLORER_OK_LOOP, NAVAUTO_MOV_EXPLORER_EMPTY, NAVAUTO_MOV_EXPLORER_ERROR, NAVAUTO_MOV_EXPLORER_RECURSIVE }

Functions
uint16_t	navauto_close (void)
	This function closes the file list. More...

Navauto_mode	navauto_getmode (void)
	This function returns the directory limitation of the file list. More...

uint16_t	navauto_getnb (void)
	This function returns the file list size. More...

uint16_t	navauto_getpos (void)
	This function returns the current position in the file list. More...

Navauto_rand	navauto_getrand (void)
	This function returns the random state used. More...

void	navauto_init (const FS_STRING sz_filterext)
	This function initializes the file extension filter used to create the file list. More...

Navauto_mov_state	navauto_mov (bool b_direction, navauto_mov_options_t options)
	This function jumps to the next or previous file in file list. More...

Navauto_mov_state	navauto_mov_explorer (bool b_direction, navauto_mov_options_t options)
	This function jumps to the next or previous file in file list included in directories. More...

static navauto_mov_explorer_rec_t	navauto_mov_explorer_enterdir (bool b_direction)
	This function enters in a the selected directory. More...

static __inline__ navauto_mov_explorer_rec_t	navauto_mov_explorer_is_dir (bool b_direction, navauto_mov_options_t options)

static __inline__ navauto_mov_explorer_rec_t	navauto_mov_explorer_is_file (bool b_direction, navauto_mov_options_t options)

static navauto_mov_explorer_rec_t	navauto_mov_explorer_limit (bool b_direction)
	This function sets the pointer to a limit. More...

static __inline__ navauto_mov_explorer_rec_t	navauto_mov_explorer_new_dir (bool b_direction, navauto_mov_options_t options)

static uint8_t	navauto_mov_explorer_rec (bool b_direction, navauto_mov_options_t options)
	This function selects a file in EXPLORER mode. More...

void	navauto_mov_explorer_reset (void)
	This function goes to the beginning of file list. More...

static navauto_mov_explorer_rec_t	navauto_mov_explorer_select_limit_dir_cur_folder (bool b_direction)
	This function selects the first or the last directory on the current folder and enters in it. More...

static navauto_mov_explorer_rec_t	navauto_mov_explorer_select_limit_file_cur_folder (bool b_direction)
	This function selects the first or the last playable file on the current folder. More...

static navauto_mov_explorer_rec_t	navauto_mov_explorer_updir (bool b_direction)
	This function moves back to the parent directory and selects this directory. More...

static __inline__ navauto_mov_explorer_rec_t	navauto_mov_ok_loop (bool b_direction, navauto_mov_options_t options)

Navauto_mov_state	navauto_mov_playlist (bool b_direction)
	This function jumps to the next or previous file in file list corresponding at a play list file. More...

bool	navauto_open (bool b_playlist, uint16_t pos)
	This function opens a file list at the current position in navigator. More...

uint16_t	navauto_rand_choose (uint16_t u16_current_pos, uint16_t u16_period)
	This function returns a random position not already used. More...

void	navauto_rand_init (void)
	This function resets the random bit table. More...

bool	navauto_setmode (Navauto_mode exp_mode)
	This function sets the directory limitation of the file list. More...

bool	navauto_setpos (uint16_t u16_pos)
	This function selects a new position in file list. More...

void	navauto_setrand (Navauto_rand rand)
	This function changes the random state. More...

Variables
static Navauto_mov_bitfield_status	bitfield_status

bool	g_navauto_b_playlist
	If true, then the file list contains files from play list file, else the file list contains files included in directories. More...

_MEM_TYPE_SLOW_ Navauto_mode	g_navauto_exp_mode = NAVAUTO_MODE_DISKS
	Define the directory limitation of the file list (ignored if g_navauto_b_playlist = true ) More...

_MEM_TYPE_SLOW_ FS_STRING	g_navauto_filter
	File extension filter used to create the file list (ignored if g_navauto_b_playlist = true ) More...

_MEM_TYPE_SLOW_ Navauto_rand	g_navauto_rand = NAVAUTO_RAND_OFF
	Flag the random state. More...

_MEM_TYPE_SLOW_ uint16_t	g_navauto_u16_dir_level
	Directory level of selected file (if play list file used then always 0) More...

_MEM_TYPE_SLOW_ uint16_t	g_navauto_u16_dir_level_root

_MEM_TYPE_SLOW_ uint16_t	g_navauto_u16_nb = 0
	Number of file included in file list (correct only if define FS_NAV_AUTOMATIC_NBFILE enabled) More...

_MEM_TYPE_SLOW_ uint16_t	g_navauto_u16_pos
	Position of selected file in file list. More...

static const navauto_mov_explorer_process_fct_t	is_dir_process_fct [2]
	This table describes what to do once the navigator reaches a limit while browsing directories. More...

static const navauto_mov_explorer_process_fct_t	is_file_process_fct [2]
	This table describes what to do once the navigator reaches a limit while browsing files. More...

static uint16_t	lcg_a

static uint16_t	lcg_c

static uint16_t	lcg_m

static const navauto_mov_explorer_process_fct_t	limit_process_fct [2]
	This table describes what to do once the navigator reaches the limit of the "playlist". More...

static const navauto_mov_explorer_process_fct_t	new_dir_process_fct []
	This table describes what the action list to process one a new folder is accessed. More...

static bool	shuffle_set = false

#define FS_NAV_AUTOMATIC_NBFILE DISABLE

The FS_NAV_AUTOMATIC_NBFILE define changes the rule to create a file list from directories When this define is enabled, the files from a directory are included before files from sub directories.

typedef navauto_mov_explorer_rec_t(* navauto_mov_explorer_process_fct_t)(bool)

enum navauto_mov_explorer_rec_t

Enumerator
NAVAUTO_MOV_EXPLORER_OK
NAVAUTO_MOV_EXPLORER_ERROR
NAVAUTO_MOV_EXPLORER_RECURSIVE
NAVAUTO_MOV_EXPLORER_OK
NAVAUTO_MOV_EXPLORER_OK_LOOP
NAVAUTO_MOV_EXPLORER_EMPTY
NAVAUTO_MOV_EXPLORER_ERROR
NAVAUTO_MOV_EXPLORER_RECURSIVE

uint16_t navauto_close ( void )

This function closes the file list.

@return    If a play list file is open then it is the last position in the file list
           else it is the directory level corresponding at the last selected file

//! At the end of this routine, the selected file of current navigator is :
//! - the play list file (in case of a play list file has been opened)
//! - the last selected file (in other case)
//!

References g_navauto_b_playlist, g_navauto_u16_dir_level, g_navauto_u16_pos, and pl_main_close().

Referenced by ai_usb_ms_audio_context_restore(), ai_usb_ms_audio_ctrl_resume(), ai_usb_ms_audio_nav_eof_occur(), ai_usb_ms_audio_nav_mov(), ai_usb_ms_audio_nav_playfile(), and ai_usb_ms_specific_audio_nav_playlist_play_link().

Navauto_mode navauto_getmode ( void )

This function returns the directory limitation of the file list.

@return Used navigation mode  (NAVAUTO_MODE_DISKS, NAVAUTO_MODE_DIRONLY, NAVAUTO_MODE_DIRSUB)

//! This parameter is ignored then a play list file is selected
//!

References g_navauto_exp_mode.

Referenced by ai_usb_ms_audio_context_save(), and ai_usb_ms_audio_nav_expmode_get().

uint16_t navauto_getnb ( void )

This function returns the file list size.

References g_navauto_u16_nb.

Referenced by ai_usb_ms_audio_nav_nb().

uint16_t navauto_getpos ( void )

This function returns the current position in the file list.

References g_navauto_u16_pos.

Referenced by ai_usb_ms_audio_nav_getpos(), and ai_usb_ms_specific_audio_nav_playlist_play_link().

Navauto_rand navauto_getrand ( void )

This function returns the random state used.

Returns: random used

References g_navauto_rand.

Referenced by ai_usb_ms_specific_audio_nav_playlist_play_link(), navauto_open(), and navauto_setpos().

void navauto_init ( const FS_STRING sz_filterext )

This function initializes the file extension filter used to create the file list.

@param sz_filterext    file extension filter

//! This parameter is ignored then a play list file is selected
//!

References g_navauto_filter, g_navauto_u16_dir_level, g_navauto_u16_dir_level_root, and g_navauto_u16_nb.

Referenced by ai_usb_ms_init_drive().

Navauto_mov_state navauto_mov	(	bool	b_direction,
		navauto_mov_options_t	options
	)

This function jumps to the next or previous file in file list.

@param b_direction  jump direction (FS_FIND_NEXT or FS_FIND_PREV)
@param options  jump direction (FS_FIND_NEXT or FS_FIND_PREV)

@return    the status of the action

//! When the random is ON, the direction is ignored
//!

References g_navauto_b_playlist, navauto_mov_explorer(), and navauto_mov_playlist().

Referenced by ai_usb_ms_audio_nav_eof_occur(), ai_usb_ms_audio_nav_mov(), navauto_open(), and navauto_setpos().

Navauto_mov_state navauto_mov_explorer	(	bool	b_direction,
		navauto_mov_options_t	options
	)

This function jumps to the next or previous file in file list included in directories.

@param b_direction  jump direction (FS_FIND_NEXT or FS_FIND_PREV)
@param options  define extra modes for this function

@return    the status of the action

//! This routine is not authorized then a play list file is opened
//! When the random is ON, the direction is ignored
//!

static navauto_mov_explorer_rec_t navauto_mov_explorer_enterdir ( bool b_direction )

static

This function enters in a the selected directory.

Parameters

b_direction direction of navigation (FS_FIND_NEXT or FS_FIND_PREV)

Returns: The state of the function

References Navauto_mov_bitfield_status::folder_change, fs_g_nav, fs_g_nav_fast, g_navauto_u16_dir_level, nav_dir_cd(), NAVAUTO_MOV_EXPLORER_ERROR, NAVAUTO_MOV_EXPLORER_RECURSIVE, NAVAUTO_SPEED_OPTIMIZATION_LEVEL, Fs_management_fast::u16_entry_pos_sel_file, and Fs_management::u16_pos_sel_file.

Referenced by navauto_mov_explorer_is_dir(), and navauto_mov_explorer_select_limit_dir_cur_folder().

static __inline__ navauto_mov_explorer_rec_t navauto_mov_explorer_is_dir	(	bool	b_direction,
		navauto_mov_options_t	options
	)

static

References FS_FIND_NEXT, is_dir_process_fct, nav_file_isdir(), nav_filelist_set(), navauto_mov_explorer_enterdir(), NAVAUTO_MOV_EXPLORER_OK, NAVAUTO_MOV_EXPLORER_RECURSIVE, navauto_mov_explorer_updir(), navauto_mov_ok_loop(), and status.

Referenced by navauto_mov_explorer_rec().

static __inline__ navauto_mov_explorer_rec_t navauto_mov_explorer_is_file	(	bool	b_direction,
		navauto_mov_options_t	options
	)

static

References FS_FIND_NEXT, g_navauto_exp_mode, g_navauto_filter, g_navauto_u16_pos, is_file_process_fct, nav_file_checkext(), nav_file_isdir(), nav_filelist_set(), NAVAUTO_MODE_DIRONLY, NAVAUTO_MOV_EXPLORER_EMPTY, NAVAUTO_MOV_EXPLORER_OK, NAVAUTO_MOV_EXPLORER_OK_LOOP, NAVAUTO_MOV_EXPLORER_RECURSIVE, navauto_mov_explorer_select_limit_file_cur_folder(), navauto_mov_explorer_updir(), navauto_mov_ok_loop(), and NAVAUTO_MOV_OPTS_STAY_CURRENT_DIR.

Referenced by navauto_mov_explorer_rec().

static navauto_mov_explorer_rec_t navauto_mov_explorer_limit ( bool b_direction )

static

This function sets the pointer to a limit.

Parameters

b_direction direction of navigation (FS_FIND_NEXT or FS_FIND_PREV)

Returns: true if a file is selected false otherwise

References g_navauto_u16_dir_level, g_navauto_u16_dir_level_root, nav_filelist_reset(), NAVAUTO_MOV_EXPLORER_ERROR, NAVAUTO_MOV_EXPLORER_RECURSIVE, and navauto_mov_explorer_updir().

static __inline__ navauto_mov_explorer_rec_t navauto_mov_explorer_new_dir	(	bool	b_direction,
		navauto_mov_options_t	options
	)

static

References FS_FIND_NEXT, i, NAVAUTO_MOV_EXPLORER_EMPTY, NAVAUTO_MOV_EXPLORER_OK, NAVAUTO_MOV_EXPLORER_RECURSIVE, navauto_mov_explorer_updir(), and new_dir_process_fct.

Referenced by navauto_mov_explorer_rec().

static uint8_t navauto_mov_explorer_rec	(	bool	b_direction,
		navauto_mov_options_t	options
	)

static

This function selects a file in EXPLORER mode.

Parameters

b_direction	direction of navigation (FS_FIND_NEXT or FS_FIND_PREV)
options	define extra modes for this function

Returns: the status of the action

References nav_file_isdir(), nav_filelist_validpos(), NAVAUTO_MOV_EMPTY, NAVAUTO_MOV_EXPLORER_EMPTY, NAVAUTO_MOV_EXPLORER_ERROR, navauto_mov_explorer_is_dir(), navauto_mov_explorer_is_file(), navauto_mov_explorer_new_dir(), NAVAUTO_MOV_EXPLORER_OK, NAVAUTO_MOV_EXPLORER_OK_LOOP, NAVAUTO_MOV_EXPLORER_RECURSIVE, NAVAUTO_MOV_OK, NAVAUTO_MOV_OK_LOOP, and wdt_clear().

Referenced by navauto_mov_ok_loop().

void navauto_mov_explorer_reset ( void )

This function goes to the beginning of file list.

//! This routine is not authorized then a play list file is opened
//!

static navauto_mov_explorer_rec_t navauto_mov_explorer_select_limit_dir_cur_folder ( bool b_direction )

static

This function selects the first or the last directory on the current folder and enters in it.

Parameters

b_direction direction of navigation (FS_FIND_NEXT or FS_FIND_PREV)

Returns: The state of the function

References FS_DIR, FS_FIND_NEXT, nav_filelist_first(), nav_filelist_last(), navauto_mov_explorer_enterdir(), and NAVAUTO_MOV_EXPLORER_ERROR.

static navauto_mov_explorer_rec_t navauto_mov_explorer_select_limit_file_cur_folder ( bool b_direction )

static

This function selects the first or the last playable file on the current folder.

Parameters

b_direction direction of navigation (FS_FIND_NEXT or FS_FIND_PREV)

Returns: true if a file is selected false otherwise

References FS_FILE, FS_FIND_NEXT, g_navauto_filter, nav_file_checkext(), nav_filelist_first(), nav_filelist_last(), nav_filelist_set(), NAVAUTO_MOV_EXPLORER_ERROR, and NAVAUTO_MOV_EXPLORER_OK.

Referenced by navauto_mov_explorer_is_file(), and navauto_open().

static navauto_mov_explorer_rec_t navauto_mov_explorer_updir ( bool b_direction )

static

This function moves back to the parent directory and selects this directory.

Parameters

b_direction direction of navigation (FS_FIND_NEXT or FS_FIND_PREV)

Returns: The state of the function

References fat_clear_entry_info_and_ptr(), fat_get_entry_info(), fat_read_dir(), Navauto_mov_bitfield_status::folder_change, fs_g_nav, fs_g_nav_entry, fs_g_nav_fast, g_navauto_exp_mode, g_navauto_u16_dir_level, g_navauto_u16_dir_level_root, nav_dir_gotoparent(), NAVAUTO_MODE_DIRONLY, NAVAUTO_MODE_DIRSUB, NAVAUTO_MOV_EXPLORER_ERROR, NAVAUTO_MOV_EXPLORER_RECURSIVE, NAVAUTO_SPEED_OPTIMIZATION_LEVEL, Fs_management_fast::u16_entry_pos_sel_file, Fs_management::u16_pos_sel_file, Fs_management_entry::u32_cluster, and Fs_management::u32_cluster_sel_dir.

Referenced by navauto_mov_explorer_is_dir(), navauto_mov_explorer_is_file(), navauto_mov_explorer_limit(), and navauto_mov_explorer_new_dir().

static __inline__ navauto_mov_explorer_rec_t navauto_mov_ok_loop	(	bool	b_direction,
		navauto_mov_options_t	options
	)

static

References FS_FIND_NEXT, g_navauto_exp_mode, nav_drive_get(), nav_drive_nb(), nav_drive_set(), nav_partition_mount(), NAVAUTO_MODE_DISKS, NAVAUTO_MOV_EXPLORER_OK_LOOP, navauto_mov_explorer_rec(), and NAVAUTO_MOV_EXPLORER_RECURSIVE.

Referenced by navauto_mov_explorer_is_dir(), and navauto_mov_explorer_is_file().

Navauto_mov_state navauto_mov_playlist ( bool b_direction )

This function jumps to the next or previous file in file list corresponding at a play list file.

@param b_direction  jump direction (FS_FIND_NEXT or FS_FIND_PREV)

@return    The status of the action

//! This routine is not authorized then a play list file is not opened
//!

bool navauto_open	(	bool	b_playlist,
		uint16_t	pos
	)

This function opens a file list at the current position in navigator.

Parameters

b_playlist	if true then the current selected file is a play list file to open else create a file list with files included in a disk part
pos	If b_playlist true, then position in the play list to start else folder level of the current position

Returns: false, in case of error or file list empty

References FS_FIND_NEXT, FS_FIND_PREV, g_navauto_b_playlist, g_navauto_exp_mode, g_navauto_filter, g_navauto_u16_dir_level, g_navauto_u16_dir_level_root, g_navauto_u16_nb, g_navauto_u16_pos, index, nav_dir_gotoparent(), nav_file_checkext(), nav_file_isdir(), nav_filelist_reset(), nav_filelist_set(), nav_filelist_validpos(), nav_getindex(), nav_gotoindex(), navauto_getrand(), NAVAUTO_MODE_DIRONLY, NAVAUTO_MODE_DIRSUB, navauto_mov(), navauto_mov_explorer(), navauto_mov_explorer_reset(), navauto_mov_explorer_select_limit_file_cur_folder(), NAVAUTO_MOV_OK, NAVAUTO_MOV_OK_LOOP, NAVAUTO_MOV_OPTS_NONE, navauto_rand_init(), NAVAUTO_RAND_OFF, navauto_setrand(), pl_main_open(), pl_nav_getnbfile(), pl_nav_setpos(), state, status, Navauto_mov_state::status, Fs_index::u16_entry_pos_sel_file, Fs_index::u32_cluster_sel_dir, and Fs_index::u8_lun.

Referenced by ai_usb_ms_audio_context_restore(), ai_usb_ms_audio_ctrl_resume(), ai_usb_ms_audio_nav_playfile(), ai_usb_ms_specific_audio_nav_playlist_play_link(), and navauto_setmode().

uint16_t navauto_rand_choose	(	uint16_t	u16_current_pos,
		uint16_t	u16_period
	)

This function returns a random position not already used.

References lcg_a, lcg_c, lcg_m, and NAVAUTO_GET_RAND.

void navauto_rand_init ( void )

This function resets the random bit table.

bool navauto_setmode ( Navauto_mode exp_mode )

This function sets the directory limitation of the file list.

@param exp_mode    mode to select (NAVAUTO_MODE_DISKS, NAVAUTO_MODE_DIRONLY, NAVAUTO_MODE_DIRSUB)

@return true, mode changed
@return false, mode can't be changed (note: the selected file must be close)

//! This parameter is ignored then a play list file is selected
//! When the mode change, the folder level is reseted at the current position.
//!

References g_navauto_b_playlist, g_navauto_exp_mode, and navauto_open().

Referenced by ai_usb_ms_audio_context_restore(), and ai_usb_ms_audio_nav_expmode_set().

bool navauto_setpos ( uint16_t u16_pos )

This function selects a new position in file list.

Parameters

u16_pos new position to select

Returns: false in case of error

References FS_FIND_NEXT, FS_FIND_PREV, g_navauto_u16_pos, navauto_getrand(), navauto_mov(), NAVAUTO_MOV_OK, NAVAUTO_MOV_OPTS_NONE, navauto_setrand(), state, and Navauto_mov_state::status.

Referenced by ai_usb_ms_audio_nav_setpos().

void navauto_setrand ( Navauto_rand rand )

This function changes the random state.

Parameters

rand	random mode to use

References g_navauto_rand, navauto_rand_init(), and shuffle_set.

Referenced by ai_usb_ms_audio_nav_shuffle_set(), ai_usb_ms_new_connection(), ai_usb_ms_specific_audio_nav_playlist_play_link(), navauto_open(), and navauto_setpos().

Navauto_mov_bitfield_status bitfield_status

static

bool g_navauto_b_playlist

If true, then the file list contains files from play list file, else the file list contains files included in directories.

_MEM_TYPE_SLOW_ Navauto_mode g_navauto_exp_mode = NAVAUTO_MODE_DISKS

Define the directory limitation of the file list (ignored if g_navauto_b_playlist = true )

_MEM_TYPE_SLOW_ FS_STRING g_navauto_filter

File extension filter used to create the file list (ignored if g_navauto_b_playlist = true )

_MEM_TYPE_SLOW_ Navauto_rand g_navauto_rand = NAVAUTO_RAND_OFF

Flag the random state.

_MEM_TYPE_SLOW_ uint16_t g_navauto_u16_dir_level

Directory level of selected file (if play list file used then always 0)

_MEM_TYPE_SLOW_ uint16_t g_navauto_u16_dir_level_root

_MEM_TYPE_SLOW_ uint16_t g_navauto_u16_nb = 0

Number of file included in file list (correct only if define FS_NAV_AUTOMATIC_NBFILE enabled)

_MEM_TYPE_SLOW_ uint16_t g_navauto_u16_pos

Position of selected file in file list.

const navauto_mov_explorer_process_fct_t is_dir_process_fct[2]

static

Initial value:

= {
  
  navauto_mov_explorer_updir,
  
  navauto_mov_explorer_select_limit_file_cur_folder
}

This table describes what to do once the navigator reaches a limit while browsing directories.

is_dir_process_fct[0] is the function called on a previous command.
is_dir_process_fct[1] is the function called on a next command.

Referenced by navauto_mov_explorer_is_dir().

const navauto_mov_explorer_process_fct_t is_file_process_fct[2]

static

Initial value:

= {
  
  navauto_mov_explorer_select_limit_dir_cur_folder,
  
  navauto_mov_explorer_updir
}

This table describes what to do once the navigator reaches a limit while browsing files.

is_file_process_fct[0] is the function called on a previous command.
is_file_process_fct[1] is the function called on a next command.

Referenced by navauto_mov_explorer_is_file().

uint16_t lcg_a

static

Referenced by navauto_rand_choose().

uint16_t lcg_c

static

Referenced by navauto_rand_choose().

uint16_t lcg_m

static

Referenced by navauto_rand_choose().

const navauto_mov_explorer_process_fct_t limit_process_fct[2]

static

Initial value:

= {
  navauto_mov_explorer_limit,
  navauto_mov_explorer_limit
}

This table describes what to do once the navigator reaches the limit of the "playlist".

is_file_process_fct[0] is the function called on a previous command.
is_file_process_fct[1] is the function called on a next command.

const navauto_mov_explorer_process_fct_t new_dir_process_fct[]

static

Initial value:

= {
  
  navauto_mov_explorer_select_limit_dir_cur_folder,
  
  navauto_mov_explorer_select_limit_file_cur_folder
}

This table describes what the action list to process one a new folder is accessed.

is_dir_process_fct[0] = first action
is_dir_process_fct[1] = second action if 1st failed
...

Referenced by navauto_mov_explorer_new_dir().

bool shuffle_set = false

static

Referenced by navauto_setrand().

Microchip® Advanced Software Framework

Macros

Typedefs

Enumerations

Functions

Variables