nes-proj/arch/cpu/msp430/dev/flash.h

78 lines
2.5 KiB
C

/**
* \file
* Functions for reading and writing MSP430 flash ROM.
* \author Adam Dunkels <adam@sics.se>
*/
/* Copyright (c) 2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef FLASH_H_
#define FLASH_H_
/**
* Setup function to be called before any of the flash programming functions.
*
*/
void flash_setup(void);
/**
* Function that is to be called after flashing is done.
*/
void flash_done(void);
/**
* Write a 16-bit word to flash ROM.
*
* This function writes a 16-bit word to flash ROM. The function
* flash_setup() must have been called first.
*
* \param addr A pointer to the address in flash ROM which is to be
* written.
*
* \param word The 16-bit word that is to be written.
*/
void flash_write(unsigned short *addr, unsigned short word);
/**
* Clear a 16-bit word in flash ROM.
*
* This function clears a 16-bit word in flash ROM. The function
* flash_setup() must have been called first.
*
* \param addr A pointer to the address in flash ROM which is to be
* cleared.
*/
void flash_clear(unsigned short *addr);
#endif /* FLASH_H_ */