Seed rand() with the node ID + MAC address

platform/sky/contiki-sky-main.c

@@ -26,7 +26,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * @(#)$Id: contiki-sky-main.c,v 1.45 2009/02/04 19:32:20 joxe Exp $
+ * @(#)$Id: contiki-sky-main.c,v 1.46 2009/02/07 16:49:36 adamdunkels Exp $
  */
 
 #include <signal.h>
@@ -55,6 +55,8 @@
 
 #include "net/rime.h"
 
+#include "lib/rand.h"
+
 #include "node-id.h"
 #include "cfs-coffee-arch.h"
 #include "cfs/cfs-coffee.h"
@@ -237,6 +239,8 @@ main(int argc, char **argv)
   rime_init(xmac_init(&cc2420_driver));
 #endif
 
+  srand(ds2411_id[0] + node_id);
+
   printf(CONTIKI_VERSION_STRING " started. ");
   if(node_id > 0) {
     printf("Node id is set to %u.\n", node_id);