at49bv.c

Included Files

#include <nut/include/cfg/os.h>

#include <nut/include/cfg/memory.h>

#include <nut/include/sys/event.h>

#include <nut/include/sys/timer.h>

#include <stdlib.h>

#include </usr/avr/include/string.h>

#include <nut/include/dev/at49bv.h>

Preprocessor definitions

#define FLASH_CHIP_BASE 0x10000000

#define FLASH_CONF_SECTOR 0x6000

#define FLASH_CONF_SIZE 512

#define FLASH_ERASE_WAIT 3000

#define FLASH_CHIP_ERASE_WAIT 50000

#define FLASH_WRITE_POLLS 1000

#define FLASH_UNLOCK( base )

#define FLASH_COMMAND( base, cmd )

#define FLASH_CMD_ERASE 0x80

#define FLASH_CMD_ERASE_CHIP 0x10

#define FLASH_CMD_ERASE_SECTOR 0x30

#define FLASH_CMD_ENTER_ID 0x90

#define FLASH_CMD_EXIT_ID 0xF0

#define FLASH_CMD_PROGRAM 0xA0

Typedef flashdat_t

typedef unsigned short flashdat_t

Typedef flashadr_t

typedef unsigned long flashadr_t

Typedef flashptr_t

typedef volatile flashdat_t* flashptr_t

Local Variables

chip
static flashptr_t chip

Used in:	At49bvChipErase()
	At49bvInit()
	At49bvSectorErase()
	At49bvSectorWrite()

Global Function At49bvChipErase()

int At49bvChipErase ( void )

Prototyped in:	nut/include/dev/at49bv.h
Calls:	At49bvWaitReady()	nut/dev/at49bv.c
References Variables:	chip	nut/dev/at49bv.c

Global Function At49bvInit()

unsigned long At49bvInit ( void )

Prototyped in:	nut/include/dev/at49bv.h
References Variables:	chip	nut/dev/at49bv.c

Global Function At49bvParamRead()

int At49bvParamRead ( u_int pos, void* data, u_int len )

Prototyped in:	nut/include/dev/at49bv.h
Calls:	At49bvSectorRead()	nut/dev/at49bv.c

Global Function At49bvParamWrite()

int At49bvParamWrite ( u_int pos, const void* data, u_int len )

Prototyped in:	nut/include/dev/at49bv.h
Calls:	At49bvSectorErase()	nut/dev/at49bv.c
	At49bvSectorRead()	nut/dev/at49bv.c
	At49bvSectorWrite()	nut/dev/at49bv.c
	free(), malloc(), memcmp(), memcpy()

Global Function At49bvSectorErase()

int At49bvSectorErase ( u_int off )

Prototyped in:	nut/include/dev/at49bv.h
Calls:	At49bvWaitReady()	nut/dev/at49bv.c
Called by:	At49bvParamWrite()	nut/dev/at49bv.c
References Variables:	chip	nut/dev/at49bv.c

Global Function At49bvSectorRead()

int At49bvSectorRead ( u_int off, void* data, u_int len )

Prototyped in:	nut/include/dev/at49bv.h
Calls:	memcpy()
Called by:	At49bvParamRead()	nut/dev/at49bv.c
	At49bvParamWrite()	nut/dev/at49bv.c

Global Function At49bvSectorWrite()

int At49bvSectorWrite ( u_int off, const void* data, u_int len )

Prototyped in:	nut/include/dev/at49bv.h
Calls:	At49bvWaitReady()	nut/dev/at49bv.c
Called by:	At49bvParamWrite()	nut/dev/at49bv.c
References Variables:	chip	nut/dev/at49bv.c

Local Function At49bvWaitReady()

static int At49bvWaitReady ( flashptr_t addr, flashdat_t data, u_long tmo, int poll )

Calls:	NutSleep()	nut/os/timer.c
Called by:	At49bvChipErase()	nut/dev/at49bv.c
	At49bvSectorErase()	nut/dev/at49bv.c
	At49bvSectorWrite()	nut/dev/at49bv.c