Merge pull request #12405 from zhiyong80/Customize-Etherhet-Phy-Addr-of-STM32-Boards

EthernetInterface fix detecting change of connection status on ARCH_MAX

Author: 0xc0170

features/netsocket/emac-drivers/TARGET_STM/mbed_lib.json

@@ -2,12 +2,19 @@
     "name": "stm32-emac",
     "config": {
         "eth-rxbufnb": 4,
-        "eth-txbufnb": 4
+        "eth-txbufnb": 4,
+        "eth-phyaddr": {
+            "help" : "Configures actual PHY address according to pullup/down status of PHYAD pin(s)",
+            "value" : 0
+        }
     },
     "target_overrides": {
         "NUCLEO_F207ZG": {
             "eth-rxbufnb": 2,
             "eth-txbufnb": 4
+        },
+        "ARCH_MAX": {
+            "eth-phyaddr": 1
         }
     }
 }

features/netsocket/emac-drivers/TARGET_STM/stm32xx_emac.cpp

@@ -43,7 +43,7 @@
 #define THREAD_PRIORITY         (osPriorityHigh)
 
 #define PHY_TASK_PERIOD_MS      200
-#define ETH_ARCH_PHY_ADDRESS    (0x00)
+#define ETH_PHY_ADDRESS         MBED_CONF_STM32_EMAC_ETH_PHYADDR
 
 #define STM_HWADDR_SIZE         (6)
 #define STM_ETH_MTU_SIZE        1500
@@ -282,7 +282,7 @@ bool STM32_EMAC::low_level_init_successful()
     EthHandle.Init.AutoNegotiation = ETH_AUTONEGOTIATION_ENABLE;
     EthHandle.Init.Speed = ETH_SPEED_100M;
     EthHandle.Init.DuplexMode = ETH_MODE_FULLDUPLEX;
-    EthHandle.Init.PhyAddress = ETH_ARCH_PHY_ADDRESS;
+    EthHandle.Init.PhyAddress = ETH_PHY_ADDRESS;
 #if (MBED_MAC_ADDRESS_SUM != MBED_MAC_ADDR_INTERFACE)
     MACAddr[0] = MBED_MAC_ADDR_0;
     MACAddr[1] = MBED_MAC_ADDR_1;