//--------------------------------------------------------------------------
//
//  Software for MSP430 based e-meters.
//
//  THIS PROGRAM IS PROVIDED "AS IS". TI MAKES NO WARRANTIES OR
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//  INCLUDING ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS 
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//  TI DISCLAIMS ANY WARRANTY OF TITLE, QUIET ENJOYMENT, QUIET 
//  POSSESSION, AND NON-INFRINGEMENT OF ANY THIRD PARTY 
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//  YOUR USE OF THE PROGRAM.
//
//  IN NO EVENT SHALL TI BE LIABLE FOR ANY SPECIAL, INCIDENTAL, 
//  CONSEQUENTIAL OR INDIRECT DAMAGES, HOWEVER CAUSED, ON ANY 
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//  OF THE POSSIBILITY OF SUCH DAMAGES, ARISING IN ANY WAY OUT 
//  OF THIS AGREEMENT, THE PROGRAM, OR YOUR USE OF THE PROGRAM. 
//  EXCLUDED DAMAGES INCLUDE, BUT ARE NOT LIMITED TO, COST OF 
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//  AGGREGATE LIABILITY UNDER THIS AGREEMENT OR ARISING OUT OF 
//  YOUR USE OF THE PROGRAM EXCEED FIVE HUNDRED DOLLARS 
//  (U.S.$500).
//
//  Unless otherwise stated, the Program written and copyrighted 
//  by Texas Instruments is distributed as "freeware".  You may, 
//  only under TI's copyright in the Program, use and modify the 
//  Program without any charge or restriction.  You may 
//  distribute to third parties, provided that you transfer a 
//  copy of this license to the third party and the third party 
//  agrees to these terms by its first use of the Program. You 
//  must reproduce the copyright notice and any other legend of 
//  ownership on each copy or partial copy, of the Program.
//
//  You acknowledge and agree that the Program contains 
//  copyrighted material, trade secrets and other TI proprietary 
//  information and is protected by copyright laws, 
//  international copyright treaties, and trade secret laws, as 
//  well as other intellectual property laws.  To protect TI's 
//  rights in the Program, you agree not to decompile, reverse 
//  engineer, disassemble or otherwise translate any object code 
//  versions of the Program to a human-readable form.  You agree 
//  that in no event will you alter, remove or destroy any 
//  copyright notice included in the Program.  TI reserves all 
//  rights not specifically granted under this license. Except 
//  as specifically provided herein, nothing in this agreement 
//  shall be construed as conferring by implication, estoppel, 
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//  TI patents, copyrights or trade secrets.
//
//  You may not use the Program in non-TI devices.
//
//  File: flash_secure.c
//
//  Steve Underwood <steve-underwood@ti.com>
//  Texas Instruments Hong Kong Ltd.
//
//  $Id: flash_secure.c,v 1.3 2007/08/07 05:53:43 a0754793 Exp $
//
//--------------------------------------------------------------------------
#include <signal.h>
#include <stdint.h>
#include "emeter-toolkit-custom.h"
#include "emeter-toolkit.h"

#if defined(__MSP430__)
void flash_secure(void)
{
    _DINT();
    FCTL1 = FWKEY;                      /* Erase, write = 0 */
    FCTL3 = FWKEY | LOCK;
    _EINT();
}
#endif
