mbed official / lwip-eth

NXP LPC1768 Ethernet driver for lwip and CMSIS-RTOS

Dependents:   EthernetInterface EthernetInterface EthernetInterface_RSF EthernetInterface ... more

Legacy Networking Libraries

This is an mbed 2 networking library. For mbed 5, the networking libraries have been revised to better support additional network stacks and thread safety here.

This library is based on the code of the NXP LPC port of the Lightweight TCP/IP Stack

Copyright(C) 2011, NXP Semiconductor
All rights reserved.

Software that is described herein is for illustrative purposes only
which provides customers with programming information regarding the
products. This software is supplied "AS IS" without any warranties.
NXP Semiconductors assumes no responsibility or liability for the
use of the software, conveys no license or title under any patent,
copyright, or mask work right to the product. NXP Semiconductors
reserves the right to make changes in the software without
notification. NXP Semiconductors also make no representation or
warranty that such application will be suitable for the specified
use without further testing or modification.

arch/TARGET_STM/stm32f4_emac.c@33:9de8bd8ca1c8, 2016-05-26 (annotated)

Committer:
mbed_official
Date:
Thu May 26 09:00:26 2016 +0100
Revision:
33:9de8bd8ca1c8
Parent:
25:ba0a1c5bf54e 
Synchronized with git revision 745ebbf4557f0f3964f73063c1d88ddbcda0ed22



Full URL: https://github.com/mbedmicro/mbed/commit/745ebbf4557f0f3964f73063c1d88ddbcda0ed22/



Synch - fix lwip-eth path

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 ------------------------------ */