Merge pull request #2728 from andreaslarssonublox/eth_fix

Added ethernet and enabled IPV4 feature for the EVK-ODIN-W2/C029 target

features/net/FEATURE_IPV4/lwip-interface/lwip-eth/arch/TARGET_STM/TARGET_STM32F4/TARGET_UBLOX_C029/stm32f4_eth_init.c

@@ -0,0 +1,143 @@
+#include <string.h>
+#include "stm32f4xx_hal.h"
+#include "toolchain.h"
+
+#define C029_OTP_START_ADDRESS           (0x1FFF7800U)
+#define C029_OTP_END_ADDRESS             (C029_OTP_START_ADDRESS + (16*32))
+#define C029_MAC_ETHERNET_ID             (3)
+
+typedef MBED_PACKED(struct) C029_OTP_Header {
+    uint8_t id;
+    uint8_t len;
+    uint8_t data[];
+} C029_OTP_Header;
+
+static int _macRetrieved = 0;
+static char _macAddr[6] = { 0x02, 0x02, 0xF7, 0xF0, 0x00, 0x00 };
+
+static C029_OTP_Header *increment(C029_OTP_Header *pTemp)
+{
+    uint8_t len = 0;
+    uint8_t id = 0;
+    uint8_t *p = (uint8_t*)pTemp;
+
+    memcpy((void*)&id, (void*)pTemp, 1);
+
+    if (id == 0xFF){
+        p++;
+    }
+    else {
+        p++;
+        memcpy((void*)&len, (void*)p++, 1);
+        p += len;
+    }
+    return (C029_OTP_Header*)p;
+}
+
+/**
+ * Override HAL Eth Init function
+ */
+void HAL_ETH_MspInit(ETH_HandleTypeDef* heth)
+{
+    GPIO_InitTypeDef GPIO_InitStructure;
+    if (heth->Instance == ETH) {
+
+        /* Enable GPIOs clocks */
+        __HAL_RCC_GPIOA_CLK_ENABLE();
+        __HAL_RCC_GPIOB_CLK_ENABLE();
+        __HAL_RCC_GPIOC_CLK_ENABLE();
+
+        /** ETH GPIO Configuration
+          RMII_REF_CLK ----------------------> PA1
+          RMII_MDIO -------------------------> PA2
+          RMII_MDC --------------------------> PC1
+          RMII_MII_CRS_DV -------------------> PA7
+          RMII_MII_RXD0 ---------------------> PC4
+          RMII_MII_RXD1 ---------------------> PC5
+          RMII_MII_RXER ---------------------> PG2
+          RMII_MII_TX_EN --------------------> PB11
+          RMII_MII_TXD0 ---------------------> PB12
+          RMII_MII_TXD1 ---------------------> PB13
+         */
+        /* Configure PA1, PA2 and PA7 */       
+        GPIO_InitStructure.Speed = GPIO_SPEED_HIGH;
+        GPIO_InitStructure.Mode = GPIO_MODE_AF_PP;
+        GPIO_InitStructure.Pull = GPIO_PULLUP;
+        GPIO_InitStructure.Pin = GPIO_PIN_2 | GPIO_PIN_7;
+        GPIO_InitStructure.Alternate = GPIO_AF11_ETH;
+        HAL_GPIO_Init(GPIOA, &GPIO_InitStructure);
+
+        GPIO_InitStructure.Pull = GPIO_NOPULL;
+        GPIO_InitStructure.Pin = GPIO_PIN_1;
+        HAL_GPIO_Init(GPIOA, &GPIO_InitStructure);
+
+        /* Configure PB13 */
+	    GPIO_InitStructure.Pin = GPIO_PIN_13 | GPIO_PIN_11 | GPIO_PIN_12;
+        HAL_GPIO_Init(GPIOB, &GPIO_InitStructure);
+
+        /* Configure PC1, PC4 and PC5 */
+        GPIO_InitStructure.Pin = GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5;
+	    HAL_GPIO_Init(GPIOC, &GPIO_InitStructure);
+
+
+        /* Enable the Ethernet global Interrupt */
+        HAL_NVIC_SetPriority(ETH_IRQn, 0x7, 0);
+        HAL_NVIC_EnableIRQ(ETH_IRQn);
+
+        /* Enable ETHERNET clock  */
+        __HAL_RCC_ETH_CLK_ENABLE();
+    }
+}
+
+/**
+ * Override HAL Eth DeInit function
+ */
+void HAL_ETH_MspDeInit(ETH_HandleTypeDef* heth)
+{
+    if (heth->Instance == ETH) {
+        /* Peripheral clock disable */
+        __HAL_RCC_ETH_CLK_DISABLE();
+
+        /** ETH GPIO Configuration
+          RMII_REF_CLK ----------------------> PA1
+          RMII_MDIO -------------------------> PA2
+          RMII_MDC --------------------------> PC1
+          RMII_MII_CRS_DV -------------------> PA7
+          RMII_MII_RXD0 ---------------------> PC4
+          RMII_MII_RXD1 ---------------------> PC5
+          RMII_MII_RXER ---------------------> PG2
+          RMII_MII_TX_EN --------------------> PB11
+          RMII_MII_TXD0 ---------------------> PB12
+          RMII_MII_TXD1 ---------------------> PB13
+         */
+        HAL_GPIO_DeInit(GPIOA, GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_7);
+        HAL_GPIO_DeInit(GPIOB, GPIO_PIN_13 | GPIO_PIN_11 | GPIO_PIN_12);
+        HAL_GPIO_DeInit(GPIOC, GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5);
+
+        /* Disable the Ethernet global Interrupt */
+        NVIC_DisableIRQ(ETH_IRQn);
+    }
+}
+
+void mbed_mac_address(char *mac)
+{
+    C029_OTP_Header *pFound = NULL;
+    C029_OTP_Header *pTemp = (C029_OTP_Header*)C029_OTP_START_ADDRESS;
+    C029_OTP_Header temp;
+
+    if (_macRetrieved == 0) {
+        while ((pTemp >= (C029_OTP_Header*)C029_OTP_START_ADDRESS) && (pTemp < (C029_OTP_Header*)C029_OTP_END_ADDRESS)){
+            memcpy((void*)&temp, (void*)pTemp, sizeof(temp));
+            if (temp.id == C029_MAC_ETHERNET_ID){
+                pFound = pTemp;
+                break;
+            }
+            pTemp = increment(pTemp);
+        }
+        if (pFound != NULL) {
+            memcpy(_macAddr, pFound->data, 6);
+            _macRetrieved = 1;
+        }
+    }
+    memcpy(mac, _macAddr, 6);
+}

hal/targets.json

@@ -1211,6 +1211,7 @@
         "macros": ["HSE_VALUE=24000000", "HSE_STARTUP_TIMEOUT=5000", "CB_INTERFACE_SDIO","CB_CHIP_WL18XX","SUPPORT_80211D_ALWAYS","WLAN_ENABLED"],
         "inherits": ["Target"],
         "device_has": ["ANALOGIN", "CAN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
+        "features": ["IPV4"],
         "release_versions": ["5"]
     },
     "NZ32_SC151": {