flash.c File Reference

#include "flash.h"
#include "hal.h"

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Macros
#define	KB(x)   ((x*1024))
#define	STM32_FLASH_BASE   0x08000000
#define	STM32_FLASH_SIZE   KB(BOARD_FLASH_SIZE)
#define	STM32_FLASH_DISABLE_ISR   0
#define	STM32_FLASH_BANK2_START   (STM32_FLASH_BASE+0x00080000)
#define	FLASH_KEY1   0x45670123
#define	FLASH_KEY2   0xCDEF89AB

Functions
static uint16_t	getreg16 (unsigned int addr)
static void	putreg16 (uint16_t val, unsigned int addr)
static void	stm32_flash_wait_idle (void)
static void	stm32_flash_unlock (void)
void	stm32_flash_lock (void)
uint32_t	stm32_flash_getpageaddr (uint32_t page)
uint32_t	stm32_flash_getpagesize (uint32_t page)
uint32_t	stm32_flash_getnumpages ()
static bool	stm32_flash_ispageerased (uint32_t page)
bool	stm32_flash_erasepage (uint32_t page)
int32_t	stm32_flash_write (uint32_t addr, const void *buf, uint32_t count)

Variables
static uint32_t	flash_pageaddr [STM32_FLASH_NPAGES]
static bool	flash_pageaddr_initialised

Macro Definition Documentation

FLASH_KEY1

#define FLASH_KEY1   0x45670123

Definition at line 101 of file flash.c.

Referenced by stm32_flash_unlock().

FLASH_KEY2

#define FLASH_KEY2   0xCDEF89AB

Definition at line 102 of file flash.c.

Referenced by stm32_flash_unlock().

KB

#define KB

(

x

)

((x*1024))

Definition at line 66 of file flash.c.

STM32_FLASH_BANK2_START

#define STM32_FLASH_BANK2_START   (STM32_FLASH_BASE+0x00080000)

Definition at line 75 of file flash.c.

STM32_FLASH_BASE

#define STM32_FLASH_BASE   0x08000000

Definition at line 68 of file flash.c.

Referenced by stm32_flash_getpageaddr(), and stm32_flash_write().

STM32_FLASH_DISABLE_ISR

#define STM32_FLASH_DISABLE_ISR   0

Definition at line 72 of file flash.c.

STM32_FLASH_SIZE

#define STM32_FLASH_SIZE   KB(BOARD_FLASH_SIZE)

Definition at line 69 of file flash.c.

Referenced by stm32_flash_write().

Function Documentation

getreg16()

static uint16_t getreg16 ( unsigned int  addr )

inlinestatic

Definition at line 107 of file flash.c.

Referenced by stm32_flash_write().

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putreg16()

static void putreg16 ( uint16_t  val, unsigned int  addr  )

inlinestatic

Definition at line 115 of file flash.c.

Referenced by stm32_flash_write().

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stm32_flash_erasepage()

bool stm32_flash_erasepage

(

uint32_t

page

)

Definition at line 215 of file flash.c.

Referenced by ChibiOS::Storage::_flash_erase_sector().

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stm32_flash_getnumpages()

uint32_t stm32_flash_getnumpages

(

void

)

Definition at line 188 of file flash.c.

stm32_flash_getpageaddr()

uint32_t stm32_flash_getpageaddr

(

uint32_t

page

)

Definition at line 157 of file flash.c.

Referenced by ChibiOS::Storage::_flash_read_data(), ChibiOS::Storage::_flash_write_data(), and stm32_flash_ispageerased().

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stm32_flash_getpagesize()

uint32_t stm32_flash_getpagesize

(

uint32_t

page

)

Definition at line 180 of file flash.c.

Referenced by stm32_flash_getpageaddr(), and stm32_flash_ispageerased().

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stm32_flash_ispageerased()

static bool stm32_flash_ispageerased ( uint32_t  page )

static

Definition at line 193 of file flash.c.

Referenced by stm32_flash_erasepage().

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stm32_flash_lock()

void stm32_flash_lock

(

void

)

Definition at line 141 of file flash.c.

Referenced by stm32_flash_erasepage(), and stm32_flash_write().

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stm32_flash_unlock()

static void stm32_flash_unlock ( void  )

static

Definition at line 127 of file flash.c.

Referenced by stm32_flash_erasepage(), and stm32_flash_write().

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stm32_flash_wait_idle()

static void stm32_flash_wait_idle ( void  )

static

Definition at line 120 of file flash.c.

Referenced by stm32_flash_erasepage(), stm32_flash_lock(), stm32_flash_unlock(), and stm32_flash_write().

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stm32_flash_write()

int32_t stm32_flash_write	(	uint32_t	addr,
		const void *	buf,
		uint32_t	count
	)

Definition at line 259 of file flash.c.

Referenced by ChibiOS::Storage::_flash_write_data().

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Variable Documentation

flash_pageaddr

uint32_t flash_pageaddr[STM32_FLASH_NPAGES]

static

Definition at line 97 of file flash.c.

Referenced by stm32_flash_getpageaddr().

flash_pageaddr_initialised

bool flash_pageaddr_initialised

static

Definition at line 98 of file flash.c.

Referenced by stm32_flash_getpageaddr().