sdram_loader.c File Reference

#include <stddef.h>
#include "board.h"
#include "sdramc.h"
#include "navigation.h"
#include "file.h"
#include "spi.h"
#include "at45dbx.h"
#include "conf_at45dbx.h"
#include "conf_audio_player.h"
#include "gpio.h"
#include "et024006dhu.h"
#include "sdram_loader.h"

Data Structures
struct	bm_file_header_s
	File header of a bitmap file. 14 bytes long, little endian representation and packed. See bitmap specification for more details. More...
struct	bm_info_header_s
	Bitmap file information header. More...

Macros
#define	AT45DBX_ENABLE_NPCS_PIN(NPCS, unused)   {AT45DBX_SPI_NPCS##NPCS##_PIN, AT45DBX_SPI_NPCS##NPCS##_FUNCTION},
#define	DATAFLASH_DISK_ID   1
#define	DATAFLASH_NAV_ID   0

Typedefs
typedef struct bm_file_header_s	bm_file_header_t
	File header of a bitmap file. 14 bytes long, little endian representation and packed. See bitmap specification for more details. More...
typedef struct bm_info_header_s	bm_info_header_t
	Bitmap file information header. More...

Functions
void	ascii2unicode (char *deststr, const char *srcstr, size_t strlen)
static void	at45dbx_resources_init (void)
	Initializes AT45DBX resources: GPIO, SPI and AT45DBX. More...
void	bm_get_info (bm_file_header_t *bf, bm_info_header_t *bi)
void	load_sdram_data (int hsb_hz)
void	swap_endian_blk (unsigned char *pblock, int size)
	Swaps a block of data to the other endian representation. More...

Variables
ram_file_t	ram_files [NUMBER_OF_IMAGES]
mspace	sdram_mspace

#define AT45DBX_ENABLE_NPCS_PIN	(		NPCS,
			unused
	)		{AT45DBX_SPI_NPCS##NPCS##_PIN, AT45DBX_SPI_NPCS##NPCS##_FUNCTION},

Referenced by at45dbx_resources_init().

#define DATAFLASH_DISK_ID   1

#define DATAFLASH_NAV_ID   0

Referenced by load_sdram_data().

typedef struct bm_file_header_s bm_file_header_t

File header of a bitmap file. 14 bytes long, little endian representation and packed. See bitmap specification for more details.

typedef struct bm_info_header_s bm_info_header_t

Bitmap file information header.

Starts after the file header and is 40 bytes long, in little endian and packed.

void ascii2unicode	(	char *	deststr,
		const char *	srcstr,
		size_t	strlen
	)

static void at45dbx_resources_init ( void  )

static

Initializes AT45DBX resources: GPIO, SPI and AT45DBX.

References AT45DBX_ENABLE_NPCS_PIN, at45dbx_init(), AT45DBX_MEM_CNT, AT45DBX_SPI, AT45DBX_SPI_BITS, AT45DBX_SPI_FIRST_NPCS, AT45DBX_SPI_MASTER_SPEED, AT45DBX_SPI_MISO_FUNCTION, AT45DBX_SPI_MISO_PIN, AT45DBX_SPI_MOSI_FUNCTION, AT45DBX_SPI_MOSI_PIN, AT45DBX_SPI_SCK_FUNCTION, AT45DBX_SPI_SCK_PIN, FPBA_HZ, gpio_enable_module(), MREPEAT(), spi_options_t::reg, spi_enable(), spi_initMaster(), and spi_selectionMode().

Referenced by load_sdram_data().

void bm_get_info	(	bm_file_header_t *	bf,
		bm_info_header_t *	bi
	)

References file_read_buf(), and swap_endian_blk().

Referenced by load_sdram_data().

void load_sdram_data

(

int

hsb_hz

)

References at45dbx_resources_init(), AT45DBX_SPI_NPCS0_PIN, bm_file_header_s::bfOffBits, bm_info_header_s::biHeight, bm_info_header_s::biSizeImage, bm_info_header_s::biWidth, bm_get_info(), cpu_delay_ms(), create_mspace_with_base(), DATAFLASH_NAV_ID, et024006_PrintConsole(), FCPU_HZ, file_close(), file_open(), file_read_buf(), file_seek(), FOPEN_MODE_R, FS_SEEK_SET, gpio_enable_gpio_pin(), MEM_SPACE_SIZE, mspace_malloc(), ram_file_t::name, name, nav_drive_nb(), nav_drive_set(), nav_partition_mount(), nav_reset(), nav_select(), nav_setcwd(), ram_files, RED, sdram_mspace, SDRAM_START_ADDRESS, sdramc_init(), and ram_file_t::start_addr.

Referenced by gui_init().

void swap_endian_blk	(	unsigned char *	pblock,
		int	size
	)

Swaps a block of data to the other endian representation.

Parameters

pblock	Pointer to the first byte of the data block
size	Size of the data bock in bytes

Referenced by bm_get_info().

ram_file_t ram_files[NUMBER_OF_IMAGES]

Initial value:

= {
    { .name = L"/AVR32_start_320x240_RGB565.bmp"},
    { .name = L"/disk_nav_320x240_RGB565.bmp"},
    { .name = L"/audio_player.bmp"},
    { .name = L"/Gjallarhorn_100x100_RGB565.bmp"},
    { .name = L"/in_progress_128x16_RGB565.bmp"},
    { .name = L"/loading_100x29_RGB565.bmp"},
    { .name = L"/not_supported_176x29_RGB565.bmp"}
}

Referenced by clear_in_progress(), draw_background(), draw_config(), draw_config_view_print_cursor(), draw_config_view_print_repeat(), draw_config_view_print_shuffle(), draw_cover_art(), draw_device_not_present(), draw_device_not_supported(), draw_device_present(), draw_file_list(), draw_in_progress(), draw_navigation(), draw_pause_button(), draw_play_button(), draw_play_view(), draw_play_view_print_artist(), draw_play_view_print_file(), draw_play_view_print_title(), draw_play_view_print_total_time(), draw_playtime_update(), draw_song_progress_bar(), draw_startup(), draw_volume_bar(), and load_sdram_data().

mspace sdram_mspace

Referenced by jpeg_free_large(), jpeg_free_small(), jpeg_get_large(), jpeg_get_small(), jpeg_lib_exit(), jpeg_lib_init(), and load_sdram_data().