Diff: utils.c

Revision:

0:db9ea2448fdd

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/utils.c	Mon Jul 09 22:31:28 2012 +0000
@@ -0,0 +1,44 @@
+/*
+*
+*        utils.c functions to work with ethernet frames
+*
+*
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <inet.h>
+#include "mbed.h"
+#include "EthernetNetIf.h"
+#include "defines.h"
+#include "utils.h"
+#include "variables.h"
+
+extern "C" void 
+mbed_mac_address(char *mac);
+
+static
+void
+set_to_mac( char *peth, char const *pmac )
+{
+    memcpy( peth, pmac, MAC_ADD_NUM );
+}
+
+static
+void
+set_from_mac( char *peth, char const *pmac )
+{
+    memcpy( peth + MAC_ADD_NUM, pmac, MAC_ADD_NUM );
+}
+
+static
+void
+set_ether_type( char *peth, unsigned ether_type )
+{
+    unsigned short etype;
+
+    etype = ether_type;
+    etype = htons(etype);
+    memcpy( peth + 2*MAC_ADD_NUM, &etype, sizeof(unsigned short) );
+}