?? progflashc.nc
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// $Id: ProgFlashC.nc,v 1.1 2009/09/23 18:29:22 razvanm Exp $
/*
*
*
* "Copyright (c) 2000-2005 The Regents of the University of California.
* All rights reserved.
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose, without fee, and without written agreement is
* hereby granted, provided that the above copyright notice, the following
* two paragraphs and the author appear in all copies of this software.
*
* IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
* OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
* CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS."
*
*/
/**
* @author Jonathan Hui <jwhui@cs.berkeley.edu>
*/
#include <avr/boot.h>
module ProgFlashC {
provides {
interface ProgFlash;
}
}
implementation {
command error_t ProgFlash.write(in_flash_addr_t addr, uint8_t* buf, in_flash_addr_t len) {
uint16_t* wordBuf = (uint16_t*)buf;
uint32_t i;
if ( addr + len > TOSBOOT_START )
return FAIL;
boot_page_erase( addr );
while( boot_rww_busy() )
boot_rww_enable();
for ( i = 0; i < len; i += 2 )
boot_page_fill( addr + i, *wordBuf++ );
boot_page_write( addr );
while ( boot_rww_busy() )
boot_rww_enable();
return SUCCESS;
}
}
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