Hardware presentation/abstraction for flash memory peripheral (FLASH). More...

#include <bsp430/periph.h>

Macros
#define	BSP430_MODULE_FLASH (defined(__MSP430_HAS_FLASH__) \|\| defined(__MSP430_HAS_FLASH2__))

Functions
int	iBSP430flashEraseSegment_ni (const void *addr)

int	iBSP430flashWriteData_ni (void dest, const void src, size_t len)

Detailed Description

Hardware presentation/abstraction for flash memory peripheral (FLASH).

A flash memory peripherals is available on almost every MSP430 MCU, and may be identified as either FLASH or FLASH2. Different MCUs in the same family are one or the other. The differences between these peripherals are visible in the interface provided by this module.

Module Configuration Options

None supported.

Hardware Presentation Layer

As there can be only one instance of the flash memory peripheral on any MCU, there is no structure supporting a FLASH HPL. Manipulate the peripheral through its registers directly.

Hardware Adaptation Layer

As there can be only one instance of FLASH on any MCU, there is no structure supporting a FLASH HAL.

Homepage: http://github.com/pabigot/bsp430

Copyright: Copyright 2012-2014, Peter A. Bigot. Licensed under BSD-3-Clause

Macro Definition Documentation

#define BSP430_MODULE_FLASH (defined(__MSP430_HAS_FLASH__) || defined(__MSP430_HAS_FLASH2__))

Defined on inclusion of <bsp430/periph/flash.h>. The value evaluates to true if the target MCU supports the Flash Memory module, and false if it does not.

C Preprocessor Only:: This macro may have a value that restricts its use to C preprocessor conditional directives.

Function Documentation

int iBSP430flashEraseSegment_ni ( const void * addr )

Erase the flash segment holding the given address

The MSP430 flash segment erase function is invoked.

Note: This function is not responsible for managing either LOCKA or LOCKINFO. If you wish to erase or modify information memory segment A, you will have to clear LOCKA. Similarly if you have set LOCKINFO and wish to modify any information memory segment, you will have to do so yourself.; This function does not disable the watchdog, but does reset it prior to invoking the erase operation. If the duration of the erase operation exceeds the watchdog timeout, the board may reset.

Parameters

addr	an address within the segment to be erased

Returns: 0 if the erase was successful, or a negative error code.

Examples:: rf/cc3000/cli/main.c.

int iBSP430flashWriteData_ni	(	void *	dest,
		const void *	src,
		size_t	len
	)

Copy data into flash memory

Rather like memcpy(), but the destination is assumed to be in a flash memory segment. The write must not cross a segment boundary.

Note: This function is not responsible for managing either LOCKA or LOCKINFO. If you wish to erase or modify information memory segment A, you will have to clear LOCKA. Similarly if you have set LOCKINFO and wish to modify any information memory segment, you will have to do so yourself.; This function does not disable the watchdog, but does reset it prior to copying the data. If the duration of the write operation exceeds the watchdog timeout, the board may reset.