Dewant Katare / lwip-eth_lab4

lab practicals

arch/TARGET_STM/stm32f4_emac.c@34:bdc93b5c3c52, 2019-09-23 (annotated)

Committer:
dewantkatare
Date:
Mon Sep 23 22:20:13 2019 +0000
Revision:
34:bdc93b5c3c52
Parent:
25:ba0a1c5bf54e 
TCP ECHO, Ethernet onterface

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 25:ba0a1c5bf54e 1
mbed_official 25:ba0a1c5bf54e 2 #include "stm32f4xx_hal.h"
mbed_official 25:ba0a1c5bf54e 3 #include "lwip/opt.h"
mbed_official 25:ba0a1c5bf54e 4
mbed_official 25:ba0a1c5bf54e 5 #include "lwip/timers.h"
mbed_official 25:ba0a1c5bf54e 6 #include "netif/etharp.h"
mbed_official 25:ba0a1c5bf54e 7 #include "lwip/tcpip.h"
mbed_official 25:ba0a1c5bf54e 8 #include <string.h>
mbed_official 25:ba0a1c5bf54e 9 #include "cmsis_os.h"
mbed_official 25:ba0a1c5bf54e 10 #include "mbed_interface.h"
mbed_official 25:ba0a1c5bf54e 11
mbed_official 25:ba0a1c5bf54e 12 /** @defgroup lwipstm32f4xx_emac_DRIVER stm32f4 EMAC driver for LWIP
mbed_official 25:ba0a1c5bf54e 13 * @ingroup lwip_emac
mbed_official 25:ba0a1c5bf54e 14 *
mbed_official 25:ba0a1c5bf54e 15 * @{
mbed_official 25:ba0a1c5bf54e 16 */
mbed_official 25:ba0a1c5bf54e 17
mbed_official 25:ba0a1c5bf54e 18 #define RECV_TASK_PRI (osPriorityHigh)
mbed_official 25:ba0a1c5bf54e 19 #define PHY_TASK_PRI (osPriorityLow)
mbed_official 25:ba0a1c5bf54e 20 #define PHY_TASK_WAIT (200)
mbed_official 25:ba0a1c5bf54e 21
mbed_official 25:ba0a1c5bf54e 22
mbed_official 25:ba0a1c5bf54e 23 #if defined (__ICCARM__) /*!< IAR Compiler */
mbed_official 25:ba0a1c5bf54e 24 #pragma data_alignment=4
mbed_official 25:ba0a1c5bf54e 25 #endif
mbed_official 25:ba0a1c5bf54e 26 __ALIGN_BEGIN ETH_DMADescTypeDef DMARxDscrTab[ETH_RXBUFNB] __ALIGN_END; /* Ethernet Rx MA Descriptor */
mbed_official 25:ba0a1c5bf54e 27
mbed_official 25:ba0a1c5bf54e 28 #if defined (__ICCARM__) /*!< IAR Compiler */
mbed_official 25:ba0a1c5bf54e 29 #pragma data_alignment=4
mbed_official 25:ba0a1c5bf54e 30 #endif
mbed_official 25:ba0a1c5bf54e 31 __ALIGN_BEGIN ETH_DMADescTypeDef DMATxDscrTab[ETH_TXBUFNB] __ALIGN_END; /* Ethernet Tx DMA Descriptor */
mbed_official 25:ba0a1c5bf54e 32
mbed_official 25:ba0a1c5bf54e 33 #if defined (__ICCARM__) /*!< IAR Compiler */
mbed_official 25:ba0a1c5bf54e 34 #pragma data_alignment=4
mbed_official 25:ba0a1c5bf54e 35 #endif
mbed_official 25:ba0a1c5bf54e 36 __ALIGN_BEGIN uint8_t Rx_Buff[ETH_RXBUFNB][ETH_RX_BUF_SIZE] __ALIGN_END; /* Ethernet Receive Buffer */
mbed_official 25:ba0a1c5bf54e 37
mbed_official 25:ba0a1c5bf54e 38 #if defined (__ICCARM__) /*!< IAR Compiler */
mbed_official 25:ba0a1c5bf54e 39 #pragma data_alignment=4
mbed_official 25:ba0a1c5bf54e 40 #endif
mbed_official 25:ba0a1c5bf54e 41 __ALIGN_BEGIN uint8_t Tx_Buff[ETH_TXBUFNB][ETH_TX_BUF_SIZE] __ALIGN_END; /* Ethernet Transmit Buffer */
mbed_official 25:ba0a1c5bf54e 42
mbed_official 25:ba0a1c5bf54e 43
mbed_official 25:ba0a1c5bf54e 44 ETH_HandleTypeDef heth;
mbed_official 25:ba0a1c5bf54e 45
mbed_official 25:ba0a1c5bf54e 46 static sys_sem_t rx_ready_sem; /* receive ready semaphore */
mbed_official 25:ba0a1c5bf54e 47 static sys_mutex_t tx_lock_mutex;
mbed_official 25:ba0a1c5bf54e 48
mbed_official 25:ba0a1c5bf54e 49 /* function */
mbed_official 25:ba0a1c5bf54e 50 static void stm32f4_rx_task(void *arg);
mbed_official 25:ba0a1c5bf54e 51 static void stm32f4_phy_task(void *arg);
mbed_official 25:ba0a1c5bf54e 52 static err_t stm32f4_etharp_output(struct netif *netif, struct pbuf *q, ip_addr_t *ipaddr);
mbed_official 25:ba0a1c5bf54e 53 static err_t stm32f4_low_level_output(struct netif *netif, struct pbuf *p);
mbed_official 25:ba0a1c5bf54e 54
mbed_official 25:ba0a1c5bf54e 55 /**
mbed_official 25:ba0a1c5bf54e 56 * Override HAL Eth Init function
mbed_official 25:ba0a1c5bf54e 57 */
mbed_official 25:ba0a1c5bf54e 58 void HAL_ETH_MspInit(ETH_HandleTypeDef* heth)
mbed_official 25:ba0a1c5bf54e 59 {
mbed_official 25:ba0a1c5bf54e 60 GPIO_InitTypeDef GPIO_InitStruct;
mbed_official 25:ba0a1c5bf54e 61 if (heth->Instance == ETH) {
mbed_official 25:ba0a1c5bf54e 62 /* Peripheral clock enable */
mbed_official 25:ba0a1c5bf54e 63 __ETH_CLK_ENABLE();
mbed_official 25:ba0a1c5bf54e 64
mbed_official 25:ba0a1c5bf54e 65 __GPIOA_CLK_ENABLE();
mbed_official 25:ba0a1c5bf54e 66 __GPIOB_CLK_ENABLE();
mbed_official 25:ba0a1c5bf54e 67 __GPIOC_CLK_ENABLE();
mbed_official 25:ba0a1c5bf54e 68
mbed_official 25:ba0a1c5bf54e 69 /**ETH GPIO Configuration
mbed_official 25:ba0a1c5bf54e 70 PC1 ------> ETH_MDC
mbed_official 25:ba0a1c5bf54e 71 PA1 ------> ETH_REF_CLK
mbed_official 25:ba0a1c5bf54e 72 PA2 ------> ETH_MDIO
mbed_official 25:ba0a1c5bf54e 73 PA7 ------> ETH_CRS_DV
mbed_official 25:ba0a1c5bf54e 74 PC4 ------> ETH_RXD0
mbed_official 25:ba0a1c5bf54e 75 PC5 ------> ETH_RXD1
mbed_official 25:ba0a1c5bf54e 76 PB11 ------> ETH_TX_EN
mbed_official 25:ba0a1c5bf54e 77 PB12 ------> ETH_TXD0
mbed_official 25:ba0a1c5bf54e 78 PB13 ------> ETH_TXD1
mbed_official 25:ba0a1c5bf54e 79 */
mbed_official 25:ba0a1c5bf54e 80 GPIO_InitStruct.Pin = GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5;
mbed_official 25:ba0a1c5bf54e 81 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
mbed_official 25:ba0a1c5bf54e 82 GPIO_InitStruct.Pull = GPIO_NOPULL;
mbed_official 25:ba0a1c5bf54e 83 GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
mbed_official 25:ba0a1c5bf54e 84 GPIO_InitStruct.Alternate = GPIO_AF11_ETH;
mbed_official 25:ba0a1c5bf54e 85 HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
mbed_official 25:ba0a1c5bf54e 86
mbed_official 25:ba0a1c5bf54e 87 GPIO_InitStruct.Pin = GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_7;
mbed_official 25:ba0a1c5bf54e 88 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
mbed_official 25:ba0a1c5bf54e 89 GPIO_InitStruct.Pull = GPIO_NOPULL;
mbed_official 25:ba0a1c5bf54e 90 GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
mbed_official 25:ba0a1c5bf54e 91 GPIO_InitStruct.Alternate = GPIO_AF11_ETH;
mbed_official 25:ba0a1c5bf54e 92 HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
mbed_official 25:ba0a1c5bf54e 93
mbed_official 25:ba0a1c5bf54e 94 GPIO_InitStruct.Pin = GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13;
mbed_official 25:ba0a1c5bf54e 95 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
mbed_official 25:ba0a1c5bf54e 96 GPIO_InitStruct.Pull = GPIO_NOPULL;
mbed_official 25:ba0a1c5bf54e 97 GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
mbed_official 25:ba0a1c5bf54e 98 GPIO_InitStruct.Alternate = GPIO_AF11_ETH;
mbed_official 25:ba0a1c5bf54e 99 HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
mbed_official 25:ba0a1c5bf54e 100
mbed_official 25:ba0a1c5bf54e 101 /* Peripheral interrupt init*/
mbed_official 25:ba0a1c5bf54e 102 /* Sets the priority grouping field */
mbed_official 25:ba0a1c5bf54e 103 HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
mbed_official 25:ba0a1c5bf54e 104 HAL_NVIC_SetPriority(ETH_IRQn, 0, 0);
mbed_official 25:ba0a1c5bf54e 105 HAL_NVIC_EnableIRQ(ETH_IRQn);
mbed_official 25:ba0a1c5bf54e 106 }
mbed_official 25:ba0a1c5bf54e 107 }
mbed_official 25:ba0a1c5bf54e 108
mbed_official 25:ba0a1c5bf54e 109 /**
mbed_official 25:ba0a1c5bf54e 110 * Override HAL Eth DeInit function
mbed_official 25:ba0a1c5bf54e 111 */
mbed_official 25:ba0a1c5bf54e 112 void HAL_ETH_MspDeInit(ETH_HandleTypeDef* heth)
mbed_official 25:ba0a1c5bf54e 113 {
mbed_official 25:ba0a1c5bf54e 114 if (heth->Instance == ETH) {
mbed_official 25:ba0a1c5bf54e 115 /* Peripheral clock disable */
mbed_official 25:ba0a1c5bf54e 116 __ETH_CLK_DISABLE();
mbed_official 25:ba0a1c5bf54e 117
mbed_official 25:ba0a1c5bf54e 118 /**ETH GPIO Configuration
mbed_official 25:ba0a1c5bf54e 119 PC1 ------> ETH_MDC
mbed_official 25:ba0a1c5bf54e 120 PA1 ------> ETH_REF_CLK
mbed_official 25:ba0a1c5bf54e 121 PA2 ------> ETH_MDIO
mbed_official 25:ba0a1c5bf54e 122 PA7 ------> ETH_CRS_DV
mbed_official 25:ba0a1c5bf54e 123 PC4 ------> ETH_RXD0
mbed_official 25:ba0a1c5bf54e 124 PC5 ------> ETH_RXD1
mbed_official 25:ba0a1c5bf54e 125 PB11 ------> ETH_TX_EN
mbed_official 25:ba0a1c5bf54e 126 PB12 ------> ETH_TXD0
mbed_official 25:ba0a1c5bf54e 127 PB13 ------> ETH_TXD1
mbed_official 25:ba0a1c5bf54e 128 */
mbed_official 25:ba0a1c5bf54e 129 HAL_GPIO_DeInit(GPIOC, GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5);
mbed_official 25:ba0a1c5bf54e 130
mbed_official 25:ba0a1c5bf54e 131 HAL_GPIO_DeInit(GPIOA, GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_7);
mbed_official 25:ba0a1c5bf54e 132
mbed_official 25:ba0a1c5bf54e 133 HAL_GPIO_DeInit(GPIOB, GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13);
mbed_official 25:ba0a1c5bf54e 134
mbed_official 25:ba0a1c5bf54e 135 /* Peripheral interrupt Deinit*/
mbed_official 25:ba0a1c5bf54e 136 HAL_NVIC_DisableIRQ(ETH_IRQn);
mbed_official 25:ba0a1c5bf54e 137 }
mbed_official 25:ba0a1c5bf54e 138 }
mbed_official 25:ba0a1c5bf54e 139
mbed_official 25:ba0a1c5bf54e 140 /**
mbed_official 25:ba0a1c5bf54e 141 * Ethernet Rx Transfer completed callback
mbed_official 25:ba0a1c5bf54e 142 *
mbed_official 25:ba0a1c5bf54e 143 * @param heth: ETH handle
mbed_official 25:ba0a1c5bf54e 144 * @retval None
mbed_official 25:ba0a1c5bf54e 145 */
mbed_official 25:ba0a1c5bf54e 146 void HAL_ETH_RxCpltCallback(ETH_HandleTypeDef *heth)
mbed_official 25:ba0a1c5bf54e 147 {
mbed_official 25:ba0a1c5bf54e 148
mbed_official 25:ba0a1c5bf54e 149 sys_sem_signal(&rx_ready_sem);
mbed_official 25:ba0a1c5bf54e 150 }
mbed_official 25:ba0a1c5bf54e 151
mbed_official 25:ba0a1c5bf54e 152
mbed_official 25:ba0a1c5bf54e 153 /**
mbed_official 25:ba0a1c5bf54e 154 * Ethernet IRQ Handler
mbed_official 25:ba0a1c5bf54e 155 *
mbed_official 25:ba0a1c5bf54e 156 * @param None
mbed_official 25:ba0a1c5bf54e 157 * @retval None
mbed_official 25:ba0a1c5bf54e 158 */
mbed_official 25:ba0a1c5bf54e 159 void ETH_IRQHandler(void)
mbed_official 25:ba0a1c5bf54e 160 {
mbed_official 25:ba0a1c5bf54e 161 HAL_ETH_IRQHandler(&heth);
mbed_official 25:ba0a1c5bf54e 162 }
mbed_official 25:ba0a1c5bf54e 163
mbed_official 25:ba0a1c5bf54e 164
mbed_official 25:ba0a1c5bf54e 165
mbed_official 25:ba0a1c5bf54e 166 /**
mbed_official 25:ba0a1c5bf54e 167 * In this function, the hardware should be initialized.
mbed_official 25:ba0a1c5bf54e 168 * Called from eth_arch_enetif_init().
mbed_official 25:ba0a1c5bf54e 169 *
mbed_official 25:ba0a1c5bf54e 170 * @param netif the already initialized lwip network interface structure
mbed_official 25:ba0a1c5bf54e 171 * for this ethernetif
mbed_official 25:ba0a1c5bf54e 172 */
mbed_official 25:ba0a1c5bf54e 173 static void stm32f4_low_level_init(struct netif *netif)
mbed_official 25:ba0a1c5bf54e 174 {
mbed_official 25:ba0a1c5bf54e 175 uint32_t regvalue = 0;
mbed_official 25:ba0a1c5bf54e 176 HAL_StatusTypeDef hal_eth_init_status;
mbed_official 25:ba0a1c5bf54e 177
mbed_official 25:ba0a1c5bf54e 178 /* Init ETH */
mbed_official 25:ba0a1c5bf54e 179 uint8_t MACAddr[6];
mbed_official 25:ba0a1c5bf54e 180 heth.Instance = ETH;
mbed_official 25:ba0a1c5bf54e 181 heth.Init.AutoNegotiation = ETH_AUTONEGOTIATION_ENABLE;
mbed_official 25:ba0a1c5bf54e 182 heth.Init.Speed = ETH_SPEED_10M;
mbed_official 25:ba0a1c5bf54e 183 heth.Init.DuplexMode = ETH_MODE_FULLDUPLEX;
mbed_official 25:ba0a1c5bf54e 184 heth.Init.PhyAddress = 1;
mbed_official 25:ba0a1c5bf54e 185 #if (MBED_MAC_ADDRESS_SUM != MBED_MAC_ADDR_INTERFACE)
mbed_official 25:ba0a1c5bf54e 186 MACAddr[0] = MBED_MAC_ADDR_0;
mbed_official 25:ba0a1c5bf54e 187 MACAddr[1] = MBED_MAC_ADDR_1;
mbed_official 25:ba0a1c5bf54e 188 MACAddr[2] = MBED_MAC_ADDR_2;
mbed_official 25:ba0a1c5bf54e 189 MACAddr[3] = MBED_MAC_ADDR_3;
mbed_official 25:ba0a1c5bf54e 190 MACAddr[4] = MBED_MAC_ADDR_4;
mbed_official 25:ba0a1c5bf54e 191 MACAddr[5] = MBED_MAC_ADDR_5;
mbed_official 25:ba0a1c5bf54e 192 #else
mbed_official 25:ba0a1c5bf54e 193 mbed_mac_address((char *)MACAddr);
mbed_official 25:ba0a1c5bf54e 194 #endif
mbed_official 25:ba0a1c5bf54e 195 heth.Init.MACAddr = &MACAddr[0];
mbed_official 25:ba0a1c5bf54e 196 heth.Init.RxMode = ETH_RXINTERRUPT_MODE;
mbed_official 25:ba0a1c5bf54e 197 heth.Init.ChecksumMode = ETH_CHECKSUM_BY_HARDWARE;
mbed_official 25:ba0a1c5bf54e 198 heth.Init.MediaInterface = ETH_MEDIA_INTERFACE_RMII;
mbed_official 25:ba0a1c5bf54e 199 hal_eth_init_status = HAL_ETH_Init(&heth);
mbed_official 25:ba0a1c5bf54e 200
mbed_official 25:ba0a1c5bf54e 201 if (hal_eth_init_status == HAL_OK) {
mbed_official 25:ba0a1c5bf54e 202 /* Set netif link flag */
mbed_official 25:ba0a1c5bf54e 203 netif->flags |= NETIF_FLAG_LINK_UP;
mbed_official 25:ba0a1c5bf54e 204 }
mbed_official 25:ba0a1c5bf54e 205
mbed_official 25:ba0a1c5bf54e 206 /* Initialize Tx Descriptors list: Chain Mode */
mbed_official 25:ba0a1c5bf54e 207 HAL_ETH_DMATxDescListInit(&heth, DMATxDscrTab, &Tx_Buff[0][0], ETH_TXBUFNB);
mbed_official 25:ba0a1c5bf54e 208
mbed_official 25:ba0a1c5bf54e 209 /* Initialize Rx Descriptors list: Chain Mode */
mbed_official 25:ba0a1c5bf54e 210 HAL_ETH_DMARxDescListInit(&heth, DMARxDscrTab, &Rx_Buff[0][0], ETH_RXBUFNB);
mbed_official 25:ba0a1c5bf54e 211
mbed_official 25:ba0a1c5bf54e 212 #if LWIP_ARP || LWIP_ETHERNET
mbed_official 25:ba0a1c5bf54e 213 /* set MAC hardware address length */
mbed_official 25:ba0a1c5bf54e 214 netif->hwaddr_len = ETHARP_HWADDR_LEN;
mbed_official 25:ba0a1c5bf54e 215
mbed_official 25:ba0a1c5bf54e 216 /* set MAC hardware address */
mbed_official 25:ba0a1c5bf54e 217 netif->hwaddr[0] = heth.Init.MACAddr[0];
mbed_official 25:ba0a1c5bf54e 218 netif->hwaddr[1] = heth.Init.MACAddr[1];
mbed_official 25:ba0a1c5bf54e 219 netif->hwaddr[2] = heth.Init.MACAddr[2];
mbed_official 25:ba0a1c5bf54e 220 netif->hwaddr[3] = heth.Init.MACAddr[3];
mbed_official 25:ba0a1c5bf54e 221 netif->hwaddr[4] = heth.Init.MACAddr[4];
mbed_official 25:ba0a1c5bf54e 222 netif->hwaddr[5] = heth.Init.MACAddr[5];
mbed_official 25:ba0a1c5bf54e 223
mbed_official 25:ba0a1c5bf54e 224 /* maximum transfer unit */
mbed_official 25:ba0a1c5bf54e 225 netif->mtu = 1500;
mbed_official 25:ba0a1c5bf54e 226
mbed_official 25:ba0a1c5bf54e 227 /* device capabilities */
mbed_official 25:ba0a1c5bf54e 228 /* don't set NETIF_FLAG_ETHARP if this device is not an ethernet one */
mbed_official 25:ba0a1c5bf54e 229 netif->flags |= NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP;
mbed_official 25:ba0a1c5bf54e 230
mbed_official 25:ba0a1c5bf54e 231 /* Enable MAC and DMA transmission and reception */
mbed_official 25:ba0a1c5bf54e 232 HAL_ETH_Start(&heth);
mbed_official 25:ba0a1c5bf54e 233
mbed_official 25:ba0a1c5bf54e 234 /**** Configure PHY to generate an interrupt when Eth Link state changes ****/
mbed_official 25:ba0a1c5bf54e 235 /* Read Register Configuration */
mbed_official 25:ba0a1c5bf54e 236 HAL_ETH_ReadPHYRegister(&heth, PHY_MICR, &regvalue);
mbed_official 25:ba0a1c5bf54e 237
mbed_official 25:ba0a1c5bf54e 238 regvalue |= (PHY_MICR_INT_EN | PHY_MICR_INT_OE);
mbed_official 25:ba0a1c5bf54e 239
mbed_official 25:ba0a1c5bf54e 240 /* Enable Interrupts */
mbed_official 25:ba0a1c5bf54e 241 HAL_ETH_WritePHYRegister(&heth, PHY_MICR, regvalue);
mbed_official 25:ba0a1c5bf54e 242
mbed_official 25:ba0a1c5bf54e 243 /* Read Register Configuration */
mbed_official 25:ba0a1c5bf54e 244 HAL_ETH_ReadPHYRegister(&heth, PHY_MISR, &regvalue);
mbed_official 25:ba0a1c5bf54e 245
mbed_official 25:ba0a1c5bf54e 246 regvalue |= PHY_MISR_LINK_INT_EN;
mbed_official 25:ba0a1c5bf54e 247
mbed_official 25:ba0a1c5bf54e 248 /* Enable Interrupt on change of link status */
mbed_official 25:ba0a1c5bf54e 249 HAL_ETH_WritePHYRegister(&heth, PHY_MISR, regvalue);
mbed_official 25:ba0a1c5bf54e 250 #endif
mbed_official 25:ba0a1c5bf54e 251 }
mbed_official 25:ba0a1c5bf54e 252
mbed_official 25:ba0a1c5bf54e 253 /**
mbed_official 25:ba0a1c5bf54e 254 * This function should do the actual transmission of the packet. The packet is
mbed_official 25:ba0a1c5bf54e 255 * contained in the pbuf that is passed to the function. This pbuf
mbed_official 25:ba0a1c5bf54e 256 * might be chained.
mbed_official 25:ba0a1c5bf54e 257 *
mbed_official 25:ba0a1c5bf54e 258 * @param netif the lwip network interface structure for this ethernetif
mbed_official 25:ba0a1c5bf54e 259 * @param p the MAC packet to send (e.g. IP packet including MAC addresses and type)
mbed_official 25:ba0a1c5bf54e 260 * @return ERR_OK if the packet could be sent
mbed_official 25:ba0a1c5bf54e 261 * an err_t value if the packet couldn't be sent
mbed_official 25:ba0a1c5bf54e 262 *
mbed_official 25:ba0a1c5bf54e 263 * @note Returning ERR_MEM here if a DMA queue of your MAC is full can lead to
mbed_official 25:ba0a1c5bf54e 264 * strange results. You might consider waiting for space in the DMA queue
mbed_official 25:ba0a1c5bf54e 265 * to become availale since the stack doesn't retry to send a packet
mbed_official 25:ba0a1c5bf54e 266 * dropped because of memory failure (except for the TCP timers).
mbed_official 25:ba0a1c5bf54e 267 */
mbed_official 25:ba0a1c5bf54e 268
mbed_official 25:ba0a1c5bf54e 269 static err_t stm32f4_low_level_output(struct netif *netif, struct pbuf *p)
mbed_official 25:ba0a1c5bf54e 270 {
mbed_official 25:ba0a1c5bf54e 271 err_t errval;
mbed_official 25:ba0a1c5bf54e 272 struct pbuf *q;
mbed_official 25:ba0a1c5bf54e 273 uint8_t *buffer = (uint8_t*)(heth.TxDesc->Buffer1Addr);
mbed_official 25:ba0a1c5bf54e 274 __IO ETH_DMADescTypeDef *DmaTxDesc;
mbed_official 25:ba0a1c5bf54e 275 uint32_t framelength = 0;
mbed_official 25:ba0a1c5bf54e 276 uint32_t bufferoffset = 0;
mbed_official 25:ba0a1c5bf54e 277 uint32_t byteslefttocopy = 0;
mbed_official 25:ba0a1c5bf54e 278 uint32_t payloadoffset = 0;
mbed_official 25:ba0a1c5bf54e 279 DmaTxDesc = heth.TxDesc;
mbed_official 25:ba0a1c5bf54e 280 bufferoffset = 0;
mbed_official 25:ba0a1c5bf54e 281
mbed_official 25:ba0a1c5bf54e 282
mbed_official 25:ba0a1c5bf54e 283 sys_mutex_lock(&tx_lock_mutex);
mbed_official 25:ba0a1c5bf54e 284
mbed_official 25:ba0a1c5bf54e 285 /* copy frame from pbufs to driver buffers */
mbed_official 25:ba0a1c5bf54e 286 for (q = p; q != NULL; q = q->next) {
mbed_official 25:ba0a1c5bf54e 287 /* Is this buffer available? If not, goto error */
mbed_official 25:ba0a1c5bf54e 288 if ((DmaTxDesc->Status & ETH_DMATXDESC_OWN) != (uint32_t)RESET) {
mbed_official 25:ba0a1c5bf54e 289 errval = ERR_USE;
mbed_official 25:ba0a1c5bf54e 290 goto error;
mbed_official 25:ba0a1c5bf54e 291 }
mbed_official 25:ba0a1c5bf54e 292
mbed_official 25:ba0a1c5bf54e 293 /* Get bytes in current lwIP buffer */
mbed_official 25:ba0a1c5bf54e 294 byteslefttocopy = q->len;
mbed_official 25:ba0a1c5bf54e 295 payloadoffset = 0;
mbed_official 25:ba0a1c5bf54e 296
mbed_official 25:ba0a1c5bf54e 297 /* Check if the length of data to copy is bigger than Tx buffer size*/
mbed_official 25:ba0a1c5bf54e 298 while ((byteslefttocopy + bufferoffset) > ETH_TX_BUF_SIZE) {
mbed_official 25:ba0a1c5bf54e 299 /* Copy data to Tx buffer*/
mbed_official 25:ba0a1c5bf54e 300 memcpy((uint8_t*)((uint8_t*)buffer + bufferoffset), (uint8_t*)((uint8_t*)q->payload + payloadoffset), (ETH_TX_BUF_SIZE - bufferoffset));
mbed_official 25:ba0a1c5bf54e 301
mbed_official 25:ba0a1c5bf54e 302 /* Point to next descriptor */
mbed_official 25:ba0a1c5bf54e 303 DmaTxDesc = (ETH_DMADescTypeDef*)(DmaTxDesc->Buffer2NextDescAddr);
mbed_official 25:ba0a1c5bf54e 304
mbed_official 25:ba0a1c5bf54e 305 /* Check if the buffer is available */
mbed_official 25:ba0a1c5bf54e 306 if ((DmaTxDesc->Status & ETH_DMATXDESC_OWN) != (uint32_t)RESET) {
mbed_official 25:ba0a1c5bf54e 307 errval = ERR_USE;
mbed_official 25:ba0a1c5bf54e 308 goto error;
mbed_official 25:ba0a1c5bf54e 309 }
mbed_official 25:ba0a1c5bf54e 310
mbed_official 25:ba0a1c5bf54e 311 buffer = (uint8_t*)(DmaTxDesc->Buffer1Addr);
mbed_official 25:ba0a1c5bf54e 312
mbed_official 25:ba0a1c5bf54e 313 byteslefttocopy = byteslefttocopy - (ETH_TX_BUF_SIZE - bufferoffset);
mbed_official 25:ba0a1c5bf54e 314 payloadoffset = payloadoffset + (ETH_TX_BUF_SIZE - bufferoffset);
mbed_official 25:ba0a1c5bf54e 315 framelength = framelength + (ETH_TX_BUF_SIZE - bufferoffset);
mbed_official 25:ba0a1c5bf54e 316 bufferoffset = 0;
mbed_official 25:ba0a1c5bf54e 317 }
mbed_official 25:ba0a1c5bf54e 318
mbed_official 25:ba0a1c5bf54e 319 /* Copy the remaining bytes */
mbed_official 25:ba0a1c5bf54e 320 memcpy((uint8_t*)((uint8_t*)buffer + bufferoffset), (uint8_t*)((uint8_t*)q->payload + payloadoffset), byteslefttocopy);
mbed_official 25:ba0a1c5bf54e 321 bufferoffset = bufferoffset + byteslefttocopy;
mbed_official 25:ba0a1c5bf54e 322 framelength = framelength + byteslefttocopy;
mbed_official 25:ba0a1c5bf54e 323 }
mbed_official 25:ba0a1c5bf54e 324
mbed_official 25:ba0a1c5bf54e 325 /* Prepare transmit descriptors to give to DMA */
mbed_official 25:ba0a1c5bf54e 326 HAL_ETH_TransmitFrame(&heth, framelength);
mbed_official 25:ba0a1c5bf54e 327
mbed_official 25:ba0a1c5bf54e 328 errval = ERR_OK;
mbed_official 25:ba0a1c5bf54e 329
mbed_official 25:ba0a1c5bf54e 330 error:
mbed_official 25:ba0a1c5bf54e 331
mbed_official 25:ba0a1c5bf54e 332 /* When Transmit Underflow flag is set, clear it and issue a Transmit Poll Demand to resume transmission */
mbed_official 25:ba0a1c5bf54e 333 if ((heth.Instance->DMASR & ETH_DMASR_TUS) != (uint32_t)RESET) {
mbed_official 25:ba0a1c5bf54e 334 /* Clear TUS ETHERNET DMA flag */
mbed_official 25:ba0a1c5bf54e 335 heth.Instance->DMASR = ETH_DMASR_TUS;
mbed_official 25:ba0a1c5bf54e 336
mbed_official 25:ba0a1c5bf54e 337 /* Resume DMA transmission*/
mbed_official 25:ba0a1c5bf54e 338 heth.Instance->DMATPDR = 0;
mbed_official 25:ba0a1c5bf54e 339 }
mbed_official 25:ba0a1c5bf54e 340
mbed_official 25:ba0a1c5bf54e 341 sys_mutex_unlock(&tx_lock_mutex);
mbed_official 25:ba0a1c5bf54e 342
mbed_official 25:ba0a1c5bf54e 343 return errval;
mbed_official 25:ba0a1c5bf54e 344 }
mbed_official 25:ba0a1c5bf54e 345
mbed_official 25:ba0a1c5bf54e 346
mbed_official 25:ba0a1c5bf54e 347 /**
mbed_official 25:ba0a1c5bf54e 348 * Should allocate a pbuf and transfer the bytes of the incoming
mbed_official 25:ba0a1c5bf54e 349 * packet from the interface into the pbuf.
mbed_official 25:ba0a1c5bf54e 350 *
mbed_official 25:ba0a1c5bf54e 351 * @param netif the lwip network interface structure for this ethernetif
mbed_official 25:ba0a1c5bf54e 352 * @return a pbuf filled with the received packet (including MAC header)
mbed_official 25:ba0a1c5bf54e 353 * NULL on memory error
mbed_official 25:ba0a1c5bf54e 354 */
mbed_official 25:ba0a1c5bf54e 355 static struct pbuf * stm32f4_low_level_input(struct netif *netif)
mbed_official 25:ba0a1c5bf54e 356 {
mbed_official 25:ba0a1c5bf54e 357 struct pbuf *p = NULL;
mbed_official 25:ba0a1c5bf54e 358 struct pbuf *q;
mbed_official 25:ba0a1c5bf54e 359 uint16_t len = 0;
mbed_official 25:ba0a1c5bf54e 360 uint8_t *buffer;
mbed_official 25:ba0a1c5bf54e 361 __IO ETH_DMADescTypeDef *dmarxdesc;
mbed_official 25:ba0a1c5bf54e 362 uint32_t bufferoffset = 0;
mbed_official 25:ba0a1c5bf54e 363 uint32_t payloadoffset = 0;
mbed_official 25:ba0a1c5bf54e 364 uint32_t byteslefttocopy = 0;
mbed_official 25:ba0a1c5bf54e 365 uint32_t i = 0;
mbed_official 25:ba0a1c5bf54e 366
mbed_official 25:ba0a1c5bf54e 367
mbed_official 25:ba0a1c5bf54e 368 /* get received frame */
mbed_official 25:ba0a1c5bf54e 369 if (HAL_ETH_GetReceivedFrame(&heth) != HAL_OK)
mbed_official 25:ba0a1c5bf54e 370 return NULL;
mbed_official 25:ba0a1c5bf54e 371
mbed_official 25:ba0a1c5bf54e 372 /* Obtain the size of the packet and put it into the "len" variable. */
mbed_official 25:ba0a1c5bf54e 373 len = heth.RxFrameInfos.length;
mbed_official 25:ba0a1c5bf54e 374 buffer = (uint8_t*)heth.RxFrameInfos.buffer;
mbed_official 25:ba0a1c5bf54e 375
mbed_official 25:ba0a1c5bf54e 376 if (len > 0) {
mbed_official 25:ba0a1c5bf54e 377 /* We allocate a pbuf chain of pbufs from the Lwip buffer pool */
mbed_official 25:ba0a1c5bf54e 378 p = pbuf_alloc(PBUF_RAW, len, PBUF_POOL);
mbed_official 25:ba0a1c5bf54e 379 }
mbed_official 25:ba0a1c5bf54e 380
mbed_official 25:ba0a1c5bf54e 381 if (p != NULL) {
mbed_official 25:ba0a1c5bf54e 382 dmarxdesc = heth.RxFrameInfos.FSRxDesc;
mbed_official 25:ba0a1c5bf54e 383 bufferoffset = 0;
mbed_official 25:ba0a1c5bf54e 384 for (q = p; q != NULL; q = q->next) {
mbed_official 25:ba0a1c5bf54e 385 byteslefttocopy = q->len;
mbed_official 25:ba0a1c5bf54e 386 payloadoffset = 0;
mbed_official 25:ba0a1c5bf54e 387
mbed_official 25:ba0a1c5bf54e 388 /* Check if the length of bytes to copy in current pbuf is bigger than Rx buffer size*/
mbed_official 25:ba0a1c5bf54e 389 while ((byteslefttocopy + bufferoffset) > ETH_RX_BUF_SIZE) {
mbed_official 25:ba0a1c5bf54e 390 /* Copy data to pbuf */
mbed_official 25:ba0a1c5bf54e 391 memcpy((uint8_t*)((uint8_t*)q->payload + payloadoffset), (uint8_t*)((uint8_t*)buffer + bufferoffset), (ETH_RX_BUF_SIZE - bufferoffset));
mbed_official 25:ba0a1c5bf54e 392
mbed_official 25:ba0a1c5bf54e 393 /* Point to next descriptor */
mbed_official 25:ba0a1c5bf54e 394 dmarxdesc = (ETH_DMADescTypeDef*)(dmarxdesc->Buffer2NextDescAddr);
mbed_official 25:ba0a1c5bf54e 395 buffer = (uint8_t*)(dmarxdesc->Buffer1Addr);
mbed_official 25:ba0a1c5bf54e 396
mbed_official 25:ba0a1c5bf54e 397 byteslefttocopy = byteslefttocopy - (ETH_RX_BUF_SIZE - bufferoffset);
mbed_official 25:ba0a1c5bf54e 398 payloadoffset = payloadoffset + (ETH_RX_BUF_SIZE - bufferoffset);
mbed_official 25:ba0a1c5bf54e 399 bufferoffset = 0;
mbed_official 25:ba0a1c5bf54e 400 }
mbed_official 25:ba0a1c5bf54e 401 /* Copy remaining data in pbuf */
mbed_official 25:ba0a1c5bf54e 402 memcpy((uint8_t*)((uint8_t*)q->payload + payloadoffset), (uint8_t*)((uint8_t*)buffer + bufferoffset), byteslefttocopy);
mbed_official 25:ba0a1c5bf54e 403 bufferoffset = bufferoffset + byteslefttocopy;
mbed_official 25:ba0a1c5bf54e 404 }
mbed_official 25:ba0a1c5bf54e 405
mbed_official 25:ba0a1c5bf54e 406 /* Release descriptors to DMA */
mbed_official 25:ba0a1c5bf54e 407 /* Point to first descriptor */
mbed_official 25:ba0a1c5bf54e 408 dmarxdesc = heth.RxFrameInfos.FSRxDesc;
mbed_official 25:ba0a1c5bf54e 409 /* Set Own bit in Rx descriptors: gives the buffers back to DMA */
mbed_official 25:ba0a1c5bf54e 410 for (i = 0; i < heth.RxFrameInfos.SegCount; i++) {
mbed_official 25:ba0a1c5bf54e 411 dmarxdesc->Status |= ETH_DMARXDESC_OWN;
mbed_official 25:ba0a1c5bf54e 412 dmarxdesc = (ETH_DMADescTypeDef*)(dmarxdesc->Buffer2NextDescAddr);
mbed_official 25:ba0a1c5bf54e 413 }
mbed_official 25:ba0a1c5bf54e 414
mbed_official 25:ba0a1c5bf54e 415 /* Clear Segment_Count */
mbed_official 25:ba0a1c5bf54e 416 heth.RxFrameInfos.SegCount = 0;
mbed_official 25:ba0a1c5bf54e 417 }
mbed_official 25:ba0a1c5bf54e 418
mbed_official 25:ba0a1c5bf54e 419 /* When Rx Buffer unavailable flag is set: clear it and resume reception */
mbed_official 25:ba0a1c5bf54e 420 if ((heth.Instance->DMASR & ETH_DMASR_RBUS) != (uint32_t)RESET) {
mbed_official 25:ba0a1c5bf54e 421 /* Clear RBUS ETHERNET DMA flag */
mbed_official 25:ba0a1c5bf54e 422 heth.Instance->DMASR = ETH_DMASR_RBUS;
mbed_official 25:ba0a1c5bf54e 423 /* Resume DMA reception */
mbed_official 25:ba0a1c5bf54e 424 heth.Instance->DMARPDR = 0;
mbed_official 25:ba0a1c5bf54e 425 }
mbed_official 25:ba0a1c5bf54e 426 return p;
mbed_official 25:ba0a1c5bf54e 427 }
mbed_official 25:ba0a1c5bf54e 428
mbed_official 25:ba0a1c5bf54e 429 /**
mbed_official 25:ba0a1c5bf54e 430 * This task receives input data
mbed_official 25:ba0a1c5bf54e 431 *
mbed_official 25:ba0a1c5bf54e 432 * \param[in] netif the lwip network interface structure
mbed_official 25:ba0a1c5bf54e 433 */
mbed_official 25:ba0a1c5bf54e 434 static void stm32f4_rx_task(void *arg)
mbed_official 25:ba0a1c5bf54e 435 {
mbed_official 25:ba0a1c5bf54e 436 struct netif *netif = (struct netif*)arg;
mbed_official 25:ba0a1c5bf54e 437 struct pbuf *p;
mbed_official 25:ba0a1c5bf54e 438
mbed_official 25:ba0a1c5bf54e 439 while (1) {
mbed_official 25:ba0a1c5bf54e 440 sys_arch_sem_wait(&rx_ready_sem, 0);
mbed_official 25:ba0a1c5bf54e 441 p = stm32f4_low_level_input(netif);
mbed_official 25:ba0a1c5bf54e 442 if (p != NULL) {
mbed_official 25:ba0a1c5bf54e 443 if (netif->input(p, netif) != ERR_OK) {
mbed_official 25:ba0a1c5bf54e 444 pbuf_free(p);
mbed_official 25:ba0a1c5bf54e 445 p = NULL;
mbed_official 25:ba0a1c5bf54e 446 }
mbed_official 25:ba0a1c5bf54e 447 }
mbed_official 25:ba0a1c5bf54e 448 }
mbed_official 25:ba0a1c5bf54e 449 }
mbed_official 25:ba0a1c5bf54e 450
mbed_official 25:ba0a1c5bf54e 451 /**
mbed_official 25:ba0a1c5bf54e 452 * This task checks phy link status and updates net status
mbed_official 25:ba0a1c5bf54e 453 *
mbed_official 25:ba0a1c5bf54e 454 * \param[in] netif the lwip network interface structure
mbed_official 25:ba0a1c5bf54e 455 */
mbed_official 25:ba0a1c5bf54e 456 static void stm32f4_phy_task(void *arg)
mbed_official 25:ba0a1c5bf54e 457 {
mbed_official 25:ba0a1c5bf54e 458 struct netif *netif = (struct netif*)arg;
mbed_official 25:ba0a1c5bf54e 459 uint32_t phy_status = 0;
mbed_official 25:ba0a1c5bf54e 460
mbed_official 25:ba0a1c5bf54e 461 while (1) {
mbed_official 25:ba0a1c5bf54e 462 uint32_t status;
mbed_official 25:ba0a1c5bf54e 463 if (HAL_ETH_ReadPHYRegister(&heth, PHY_SR, &status) == HAL_OK) {
mbed_official 25:ba0a1c5bf54e 464 if ((status & PHY_LINK_STATUS) && !(phy_status & PHY_LINK_STATUS)) {
mbed_official 25:ba0a1c5bf54e 465 tcpip_callback_with_block((tcpip_callback_fn)netif_set_link_up, (void*) netif, 1);
mbed_official 25:ba0a1c5bf54e 466 } else if (!(status & PHY_LINK_STATUS) && (phy_status & PHY_LINK_STATUS)) {
mbed_official 25:ba0a1c5bf54e 467 tcpip_callback_with_block((tcpip_callback_fn)netif_set_link_down, (void*) netif, 1);
mbed_official 25:ba0a1c5bf54e 468 }
mbed_official 25:ba0a1c5bf54e 469
mbed_official 25:ba0a1c5bf54e 470 phy_status = status;
mbed_official 25:ba0a1c5bf54e 471 }
mbed_official 25:ba0a1c5bf54e 472
mbed_official 25:ba0a1c5bf54e 473 osDelay(PHY_TASK_WAIT);
mbed_official 25:ba0a1c5bf54e 474 }
mbed_official 25:ba0a1c5bf54e 475 }
mbed_official 25:ba0a1c5bf54e 476
mbed_official 25:ba0a1c5bf54e 477 /**
mbed_official 25:ba0a1c5bf54e 478 * This function is the ethernet packet send function. It calls
mbed_official 25:ba0a1c5bf54e 479 * etharp_output after checking link status.
mbed_official 25:ba0a1c5bf54e 480 *
mbed_official 25:ba0a1c5bf54e 481 * \param[in] netif the lwip network interface structure for this lpc_enetif
mbed_official 25:ba0a1c5bf54e 482 * \param[in] q Pointer to pbug to send
mbed_official 25:ba0a1c5bf54e 483 * \param[in] ipaddr IP address
mbed_official 25:ba0a1c5bf54e 484 * \return ERR_OK or error code
mbed_official 25:ba0a1c5bf54e 485 */
mbed_official 25:ba0a1c5bf54e 486 static err_t stm32f4_etharp_output(struct netif *netif, struct pbuf *q, ip_addr_t *ipaddr)
mbed_official 25:ba0a1c5bf54e 487 {
mbed_official 25:ba0a1c5bf54e 488 /* Only send packet is link is up */
mbed_official 25:ba0a1c5bf54e 489 if (netif->flags & NETIF_FLAG_LINK_UP) {
mbed_official 25:ba0a1c5bf54e 490 return etharp_output(netif, q, ipaddr);
mbed_official 25:ba0a1c5bf54e 491 }
mbed_official 25:ba0a1c5bf54e 492
mbed_official 25:ba0a1c5bf54e 493 return ERR_CONN;
mbed_official 25:ba0a1c5bf54e 494 }
mbed_official 25:ba0a1c5bf54e 495
mbed_official 25:ba0a1c5bf54e 496 /**
mbed_official 25:ba0a1c5bf54e 497 * Should be called at the beginning of the program to set up the
mbed_official 25:ba0a1c5bf54e 498 * network interface.
mbed_official 25:ba0a1c5bf54e 499 *
mbed_official 25:ba0a1c5bf54e 500 * This function should be passed as a parameter to netif_add().
mbed_official 25:ba0a1c5bf54e 501 *
mbed_official 25:ba0a1c5bf54e 502 * @param[in] netif the lwip network interface structure for this lpc_enetif
mbed_official 25:ba0a1c5bf54e 503 * @return ERR_OK if the loopif is initialized
mbed_official 25:ba0a1c5bf54e 504 * ERR_MEM if private data couldn't be allocated
mbed_official 25:ba0a1c5bf54e 505 * any other err_t on error
mbed_official 25:ba0a1c5bf54e 506 */
mbed_official 25:ba0a1c5bf54e 507 err_t eth_arch_enetif_init(struct netif *netif)
mbed_official 25:ba0a1c5bf54e 508 {
mbed_official 25:ba0a1c5bf54e 509 /* set MAC hardware address */
mbed_official 25:ba0a1c5bf54e 510 netif->hwaddr_len = ETHARP_HWADDR_LEN;
mbed_official 25:ba0a1c5bf54e 511
mbed_official 25:ba0a1c5bf54e 512 /* maximum transfer unit */
mbed_official 25:ba0a1c5bf54e 513 netif->mtu = 1500;
mbed_official 25:ba0a1c5bf54e 514
mbed_official 25:ba0a1c5bf54e 515 /* device capabilities */
mbed_official 25:ba0a1c5bf54e 516 netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_ETHERNET | NETIF_FLAG_IGMP;
mbed_official 25:ba0a1c5bf54e 517
mbed_official 25:ba0a1c5bf54e 518 #if LWIP_NETIF_HOSTNAME
mbed_official 25:ba0a1c5bf54e 519 /* Initialize interface hostname */
mbed_official 25:ba0a1c5bf54e 520 netif->hostname = "lwipstm32f4";
mbed_official 25:ba0a1c5bf54e 521 #endif /* LWIP_NETIF_HOSTNAME */
mbed_official 25:ba0a1c5bf54e 522
mbed_official 25:ba0a1c5bf54e 523 netif->name[0] = 'e';
mbed_official 25:ba0a1c5bf54e 524 netif->name[1] = 'n';
mbed_official 25:ba0a1c5bf54e 525
mbed_official 25:ba0a1c5bf54e 526 netif->output = stm32f4_etharp_output;
mbed_official 25:ba0a1c5bf54e 527 netif->linkoutput = stm32f4_low_level_output;
mbed_official 25:ba0a1c5bf54e 528
mbed_official 25:ba0a1c5bf54e 529 /* semaphore */
mbed_official 25:ba0a1c5bf54e 530 sys_sem_new(&rx_ready_sem, 0);
mbed_official 25:ba0a1c5bf54e 531
mbed_official 25:ba0a1c5bf54e 532 sys_mutex_new(&tx_lock_mutex);
mbed_official 25:ba0a1c5bf54e 533
mbed_official 25:ba0a1c5bf54e 534 /* task */
mbed_official 25:ba0a1c5bf54e 535 sys_thread_new("stm32f4_recv_task", stm32f4_rx_task, netif, DEFAULT_THREAD_STACKSIZE, RECV_TASK_PRI);
mbed_official 25:ba0a1c5bf54e 536 sys_thread_new("stm32f4_phy_task", stm32f4_phy_task, netif, DEFAULT_THREAD_STACKSIZE, PHY_TASK_PRI);
mbed_official 25:ba0a1c5bf54e 537
mbed_official 25:ba0a1c5bf54e 538 /* initialize the hardware */
mbed_official 25:ba0a1c5bf54e 539 stm32f4_low_level_init(netif);
mbed_official 25:ba0a1c5bf54e 540
mbed_official 25:ba0a1c5bf54e 541 return ERR_OK;
mbed_official 25:ba0a1c5bf54e 542 }
mbed_official 25:ba0a1c5bf54e 543
mbed_official 25:ba0a1c5bf54e 544 void eth_arch_enable_interrupts(void)
mbed_official 25:ba0a1c5bf54e 545 {
mbed_official 25:ba0a1c5bf54e 546 HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
mbed_official 25:ba0a1c5bf54e 547 HAL_NVIC_SetPriority(ETH_IRQn, 0, 0);
mbed_official 25:ba0a1c5bf54e 548 HAL_NVIC_EnableIRQ(ETH_IRQn);
mbed_official 25:ba0a1c5bf54e 549 }
mbed_official 25:ba0a1c5bf54e 550
mbed_official 25:ba0a1c5bf54e 551 void eth_arch_disable_interrupts(void)
mbed_official 25:ba0a1c5bf54e 552 {
mbed_official 25:ba0a1c5bf54e 553 NVIC_DisableIRQ(ETH_IRQn);
mbed_official 25:ba0a1c5bf54e 554 }
mbed_official 25:ba0a1c5bf54e 555
mbed_official 25:ba0a1c5bf54e 556 /**
mbed_official 25:ba0a1c5bf54e 557 * @}
mbed_official 25:ba0a1c5bf54e 558 */
mbed_official 25:ba0a1c5bf54e 559
mbed_official 25:ba0a1c5bf54e 560 /* --------------------------------- End Of File ------------------------------ */