Small modifications made to allow the MAC address to be set.

This must be done before calls to any other function.

Lwip/lwip/src/sam/netif/ethernetif.c

@@ -89,7 +89,8 @@
 #define NET_RW_BUFF_SIZE 1536
 
 /** The MAC address used for the test */
-static u8_t gs_uc_mac_address[] =
+// ***AB - gs_uc_mac_address used to be static.  Removed so it can be hacked
+u8_t gs_uc_mac_address[] =
 { ETHERNET_CONF_ETHADDR0, ETHERNET_CONF_ETHADDR1, ETHERNET_CONF_ETHADDR2,
   ETHERNET_CONF_ETHADDR3, ETHERNET_CONF_ETHADDR4, ETHERNET_CONF_ETHADDR5};
 
@@ -109,6 +110,14 @@ struct ethernetif {
 
 //*****************************AB
 
+void RepRapNetworkSetMACAddress(const u8_t mac[])
+{
+	int8_t i;
+
+	for(i = 0; i < 6; i++)
+		gs_uc_mac_address[i] = mac[i];
+}
+
 bool ethernetif_phy_link_status() {
 
 uint32_t p_ul_reg_cont;