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Node ID is stored in external flash and restored on bootup

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This commit is contained in:
nifi 2010-08-26 22:08:11 +00:00
parent 3bee71ad81
commit 91be7cebc4
2 changed files with 22 additions and 5 deletions
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4
platform/z1/contiki-z1-main.c
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@ -26,7 +26,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)$Id: contiki-z1-main.c,v 1.3 2010/08/26 16:01:20 joxe Exp $
* @(#)$Id: contiki-z1-main.c,v 1.4 2010/08/26 22:08:11 nifi Exp $
*/
#include <signal.h>
@ -231,7 +231,7 @@ main(int argc, char **argv)
/* Restore node id if such has been stored in external mem */
//Enric node_id_restore();
node_id_restore();
/* for setting "hardcoded" IEEE 802.15.4 MAC addresses */

23
platform/z1/node-id.c
View file

@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* $Id: node-id.c,v 1.1 2010/08/24 16:26:38 joxe Exp $
* $Id: node-id.c,v 1.2 2010/08/26 22:08:11 nifi Exp $
*/
/**
@ -40,6 +40,8 @@
#include "node-id.h"
#include "contiki-conf.h"
#include "dev/xmem.h"
#include <string.h>
unsigned short node_id = 0;
@ -49,12 +51,27 @@ unsigned char node_mac[8];
void
node_id_restore(void)
{
//TODO
unsigned char buf[12];
xmem_pread(buf, 12, NODE_ID_XMEM_OFFSET);
if(buf[0] == 0xad &&
buf[1] == 0xde) {
node_id = (buf[2] << 8) | buf[3];
memcpy(node_mac, &buf[4], 8);
} else {
node_id = 0;
}
}
/*---------------------------------------------------------------------------*/
void
node_id_burn(unsigned short id)
{
//TODO
unsigned char buf[12];
buf[0] = 0xad;
buf[1] = 0xde;
buf[2] = id >> 8;
buf[3] = id & 0xff;
memcpy(&buf[4], node_mac, 8);
xmem_erase(XMEM_ERASE_UNIT_SIZE, NODE_ID_XMEM_OFFSET);
xmem_pwrite(buf, 12, NODE_ID_XMEM_OFFSET);
}
/*---------------------------------------------------------------------------*/