hal_flash.h File Reference

FLASH configuration. More...

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Macros
#define	ERASE_INTERNAL_FLASH_ON_RESET   _DISABLE_
#define	MSP430_INTERNAL_FLASH_BANK0_ADDRESS   0x008000
#define	MSP430_INTERNAL_FLASH_BANK1_ADDRESS   0x018000
#define	MSP430_INTERNAL_FLASH_BANK2_ADDRESS   0x028000
#define	MSP430_INTERNAL_FLASH_BANK3_ADDRESS   0x038000

Functions
void	HAL_FLASH_Init (void)
	Initializing FLASH.
void	HAL_FLASH_Write (unsigned int uiSize, unsigned char *ptrucSource, unsigned char *ptrucDestination)
	Write data to internal FLASH.
void	HAL_FLASH_EraseSegment (unsigned long *ptrulDestination)
	Erase FLASH segement.
void	HAL_FLASH_EraseBank (unsigned long *ptrulDestination)
	Erase FLASH bank.

Detailed Description

FLASH configuration.

Definition in file hal_flash.h.

Macro Definition Documentation

#define ERASE_INTERNAL_FLASH_ON_RESET   _DISABLE_

Definition at line 10 of file hal_flash.h.

#define MSP430_INTERNAL_FLASH_BANK0_ADDRESS   0x008000

Definition at line 12 of file hal_flash.h.

#define MSP430_INTERNAL_FLASH_BANK1_ADDRESS   0x018000

Definition at line 13 of file hal_flash.h.

#define MSP430_INTERNAL_FLASH_BANK2_ADDRESS   0x028000

Definition at line 14 of file hal_flash.h.

#define MSP430_INTERNAL_FLASH_BANK3_ADDRESS   0x038000

Definition at line 15 of file hal_flash.h.

Function Documentation

void HAL_FLASH_EraseBank

(

unsigned long *

ptrulDestination

)

Erase FLASH bank.

Returns

void

Parameters

*ptrulDestination

- base address of FLAHS bank

Definition at line 81 of file hal_flash.c.

{
    FCTL3 = FWKEY;                              // Clear Lock bit
    FCTL1 = FWKEY + MERAS;                      // Set Erase bit
    *ptrulDestination = 0;                      // Dummy write to erase Flash seg
    while (FCTL3 & BUSY);                       // test busy
    FCTL1 = FWKEY;                              // Clear WRT bit
    FCTL3 = FWKEY + LOCK;                       // Set LOCK bit
}

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void HAL_FLASH_EraseSegment

(

unsigned long *

ptrulDestination

)

Erase FLASH segement.

Returns

void

Parameters

*ptrulDestination

- base address of FLAHS segment

Definition at line 63 of file hal_flash.c.

{
    FCTL3 = FWKEY;                              // Clear Lock bit
    FCTL1 = FWKEY + ERASE;                      // Set Erase bit
    *ptrulDestination = 0;                      // Dummy write to erase Flash seg
    while (FCTL3 & BUSY);                       // test busy
    FCTL1 = FWKEY;                              // Clear WRT bit
    FCTL3 = FWKEY + LOCK;                       // Set LOCK bit
}

void HAL_FLASH_Init

(

void

)

Initializing FLASH.

Returns

void

Parameters

void

Definition at line 21 of file hal_flash.c.

{ 
#if ERASE_INTERNAL_FLASH_ON_RESET == _ENABLE_  
    HAL_FLASH_EraseBank((unsigned long *)MSP430_INTERNAL_FLASH_BANK1_ADDRESS);
    HAL_FLASH_EraseBank((unsigned long *)MSP430_INTERNAL_FLASH_BANK2_ADDRESS);
    HAL_FLASH_EraseBank((unsigned long *)MSP430_INTERNAL_FLASH_BANK3_ADDRESS);
#endif    
}

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void HAL_FLASH_Write	(	unsigned int	uiSize,
		unsigned char *	ptrucSource,
		unsigned char *	ptrucDestination
	)

Write data to internal FLASH.

Returns

void

Parameters

uiSize	- size of source data
*ptrulSource	- base address of source data
*ptrulDestination	- base address of FLASH destination

Definition at line 40 of file hal_flash.c.

{
    FCTL3 = FWKEY;                              // Clear Lock bit
    FCTL1 = FWKEY + WRT;                        // Enable byte/word write mode
    
    while (uiSize > 0) {
        while (FCTL3 & BUSY);                   // test busy
        *ptrucDestination++ = *ptrucSource++;   // Write to Flash
        uiSize--;
    }

    FCTL1 = FWKEY;                              // Clear Erase bit
    FCTL3 = FWKEY + LOCK;                       // Set LOCK bit
}

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