eeprom.c File Reference

AVR Butterfly EEPROM routines. More...

#include <avr/io.h>
#include <avr/pgmspace.h>
#include "types.h"
#include "eeprom.h"
#include "eeprom169.h"
#include "main.h"
#include "uart.h"

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Go to the source code of this file.

Functions
void	StoreEEPROM (uint8 *pBuffer, uint8 num_bytes, unsigned int EE_START_ADR)
void	LoadEEPROM (uint8 *pBuffer, uint8 num_bytes, unsigned int EE_START_ADR)
uint8	ReadEEPROM (unsigned int EE_START_ADR)
uint8	findCurrentEepromAddr (uint16 index_buffer)
	findCurrentEepromAddr
void	save_player_options (void)
	save_player_options
void	save_player_state (void)
	save_player_state
void	load_player_options (void)
	load_player_options
void	load_player_state (uint8 *mode, uint32 *file, uint32 *sector, uint32 *played, uint16 *time, uint32 *dir)
	load_player_state
Variables
uint8	gmusic_vol
	music volume.
uint8	gbass_boost
	bass boost off.
uint8	gMode
	mode of player, idle, playing, off, etc
uint32	gFAT_entry
	global current entry number in FAT table. (aka file number)
uint32	gCluster
	current cluster in song
uint32	gFileSectorsPlayed
	number of full sectors played. (aka position)
uint32	FAT16_dir_first_sector
volatile uint16	gPlayTimeSeconds
	# of seconds current file has been playing.

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Detailed Description

AVR Butterfly EEPROM routines.

Author:

ATMEL Norway

Id:

eeprom.c,v 1.9 2007/12/16 18:42:22 brokentoaster Exp

Target ATmega169 Compiler....: AVR-GCC 3.3.1; avr-libc 1.0 Revisions...: 1.0

YYYYMMDD - VER. - COMMENT - SIGN. 20030116 - 1.0 - Created - LHM 20031009 port to avr-gcc/avr-libc - M.Thomas

Definition in file eeprom.c.

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Function Documentation

uint8 findCurrentEepromAddr

(

uint16

index_buffer

)

findCurrentEepromAddr

index_buffer uint16 pointing to buffer index of interest

Returns:

index to last used entry in buffer

0Finds the last used entry in a ring buffer

Definition at line 113 of file eeprom.c.

References EEPROM_BFFRSZE, and ReadEEPROM().

Referenced by load_player_options(), load_player_state(), save_player_options(), and save_player_state().

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void load_player_options

(

void

)

load_player_options

load current state of player from eeprom

Definition at line 255 of file eeprom.c.

References EEPROM_OPTIONS_INDEX, EEPROM_VOL, findCurrentEepromAddr(), gmusic_vol, and LoadEEPROM().

Referenced by init_HW().

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void load_player_state	(	uint8 *	mode,
		uint32 *	file,
		uint32 *	sector,
		uint32 *	played,
		uint16 *	time,
		uint32 *	dir
	)

load_player_state

load current state of player from eeprom

Definition at line 282 of file eeprom.c.

References EEPROM_DIR, EEPROM_FILE, EEPROM_MODE, EEPROM_PLAYED, EEPROM_SECTOR, EEPROM_STATE_INDEX, EEPROM_TIME, findCurrentEepromAddr(), and LoadEEPROM().

Referenced by restore_player().

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void LoadEEPROM	(	uint8 *	pBuffer,
		uint8	num_bytes,
		unsigned int	EE_START_ADR
	)

Definition at line 77 of file eeprom.c.

Referenced by load_player_options(), load_player_state(), and save_player_options().

uint8 ReadEEPROM

(

unsigned int

EE_START_ADR

)

Definition at line 98 of file eeprom.c.

Referenced by findCurrentEepromAddr(), save_player_options(), and save_player_state().

void save_player_options

(

void

)

save_player_options

Save current state of player to eeprom

Definition at line 148 of file eeprom.c.

References EEPROM_BFFRSZE, EEPROM_OPTIONS_INDEX, EEPROM_VOL, findCurrentEepromAddr(), gmusic_vol, LoadEEPROM(), ReadEEPROM(), and StoreEEPROM().

Referenced by mainTimer(), and Power_off().

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void save_player_state

(

void

)

save_player_state

Save current state of player to eeprom

Definition at line 201 of file eeprom.c.

References EEPROM_BFFRSZE, EEPROM_DIR, EEPROM_FILE, EEPROM_MODE, EEPROM_PLAYED, EEPROM_SECTOR, EEPROM_STATE_INDEX, EEPROM_TIME, FAT16_dir_first_sector, findCurrentEepromAddr(), gCluster, gFAT_entry, gFileSectorsPlayed, gMode, gPlayTimeSeconds, ReadEEPROM(), and StoreEEPROM().

Referenced by mainTimer(), and Power_off().

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void StoreEEPROM	(	uint8 *	pBuffer,
		uint8	num_bytes,
		unsigned int	EE_START_ADR
	)

Definition at line 55 of file eeprom.c.

Referenced by save_player_options(), and save_player_state().

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Variable Documentation

uint32 FAT16_dir_first_sector

Definition at line 84 of file avrfat16.h.

Referenced by cue_file(), FAT_initFat16(), FAT_scanDir_lba(), handle_interface(), play_track_number(), save_player_state(), and streaming().

uint8 gbass_boost

bass boost off.

Definition at line 71 of file main.c.

Referenced by flush_decoder(), and update_LCD().

uint32 gCluster

current cluster in song

current sector (cluster) in song main.h

Definition at line 79 of file main.c.

uint32 gFAT_entry

global current entry number in FAT table. (aka file number)

Definition at line 78 of file main.c.

Referenced by cue_file(), handle_interface(), handle_mmc(), init_mmc_fat(), open_Dir(), play_track_number(), restore_player(), save_player_state(), streaming(), and update_LCD().

uint32 gFileSectorsPlayed

number of full sectors played. (aka position)

Definition at line 81 of file main.c.

Referenced by cue_file(), restore_player(), save_player_state(), and streaming().

uint8 gMode

mode of player, idle, playing, off, etc

Definition at line 75 of file main.c.

uint8 gmusic_vol

music volume.

Definition at line 70 of file main.c.

Referenced by flush_decoder(), init_HW(), load_player_options(), save_player_options(), update_LCD(), volume_down(), and volume_up().

volatile uint16 gPlayTimeSeconds

# of seconds current file has been playing.

Definition at line 92 of file main.c.