Merge pull request #551 from sg-/enet_status

Net: K64F - Add phy_link_status() to link status in emac driver

Author: 0xc0170

libraries/net/eth/lwip-eth/arch/TARGET_Freescale/k64f_emac.c

@@ -723,6 +723,13 @@ typedef struct {
     enet_phy_duplex_t duplex;
 } PHY_STATE;
 
+int phy_link_status() {
+    bool connection_status;
+    enet_dev_if_t * enetIfPtr = (enet_dev_if_t*)&enetDevIf[BOARD_DEBUG_ENET_INSTANCE];
+    phy_get_link_status(enetIfPtr, &connection_status);
+    return (int)connection_status;
+}
+
 static void k64f_phy_task(void *data) {
   struct netif *netif = (struct netif*)data;
   bool connection_status;

libraries/net/eth/lwip-eth/arch/TARGET_Freescale/k64f_emac_config.h

@@ -44,5 +44,15 @@
 
 #define ENET_ETH_MAX_FLEN             (1522) // recommended size for a VLAN frame
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+int phy_link_status(void);
+
+#if defined(__cplusplus)
+}
+#endif
+
 #endif // #define K64F_EMAC_CONFIG_H__