/**
******************************************************************************
* File Name : ethernetif.c
* Description : This file provides code for the configuration
* of the Target/ethernetif.c MiddleWare.
******************************************************************************
* @attention
*
* © Copyright (c) 2021 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under Ultimate Liberty license
* SLA0044, the "License"; You may not use this file except in compliance with
* the License. You may obtain a copy of the License at:
* www.st.com/SLA0044
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "lwip/opt.h"
#include "lwip/timeouts.h"
#include "netif/ethernet.h"
#include "netif/etharp.h"
#include "lwip/ethip6.h"
#include "ethernetif.h"
#include
#include "cmsis_os.h"
#include "lwip/tcpip.h"
#include "lwip.h"
/* Within 'USER CODE' section, code will be kept by default at each generation */
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
/* Private define ------------------------------------------------------------*/
/* The time to block waiting for input. */
#define TIME_WAITING_FOR_INPUT ( portMAX_DELAY )
/* USER CODE BEGIN OS_THREAD_STACK_SIZE_WITH_RTOS */
/* Stack size of the interface thread */
#define INTERFACE_THREAD_STACK_SIZE ( 1500 )
/* USER CODE END OS_THREAD_STACK_SIZE_WITH_RTOS */
/* Network interface name */
#define IFNAME0 's'
#define IFNAME1 't'
/* USER CODE BEGIN 1 */
struct eth_addr MACAddr = {0x02, 0xAD, 0xC8, 0xFF, 0xFF, 0xFF};
/* USER CODE END 1 */
extern network_settings table_network[MAX_IP];
/* Private variables ---------------------------------------------------------*/
#if defined ( __ICCARM__ ) /*!< IAR Compiler */
#pragma data_alignment=4
#endif
__ALIGN_BEGIN ETH_DMADescTypeDef DMARxDscrTab[ETH_RXBUFNB] __ALIGN_END;/* Ethernet Rx MA Descriptor */
#if defined ( __ICCARM__ ) /*!< IAR Compiler */
#pragma data_alignment=4
#endif
__ALIGN_BEGIN ETH_DMADescTypeDef DMATxDscrTab[ETH_TXBUFNB] __ALIGN_END;/* Ethernet Tx DMA Descriptor */
#if defined ( __ICCARM__ ) /*!< IAR Compiler */
#pragma data_alignment=4
#endif
__ALIGN_BEGIN uint8_t Rx_Buff[ETH_RXBUFNB][ETH_RX_BUF_SIZE] __ALIGN_END; /* Ethernet Receive Buffer */
#if defined ( __ICCARM__ ) /*!< IAR Compiler */
#pragma data_alignment=4
#endif
__ALIGN_BEGIN uint8_t Tx_Buff[ETH_TXBUFNB][ETH_TX_BUF_SIZE] __ALIGN_END; /* Ethernet Transmit Buffer */
/* USER CODE BEGIN 2 */
/* USER CODE END 2 */
/* Semaphore to signal incoming packets */
osSemaphoreId s_xSemaphore = NULL;
/* Global Ethernet handle */
ETH_HandleTypeDef heth;
/* USER CODE BEGIN 3 */
/* USER CODE END 3 */
/* Private functions ---------------------------------------------------------*/
void HAL_ETH_MspInit(ETH_HandleTypeDef* ethHandle)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
if(ethHandle->Instance==ETH)
{
/* USER CODE BEGIN ETH_MspInit 0 */
/* USER CODE END ETH_MspInit 0 */
/* Enable Peripheral clock */
__HAL_RCC_ETH_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
/**ETH GPIO Configuration
PC1 ------> ETH_MDC
PA1 ------> ETH_REF_CLK
PA2 ------> ETH_MDIO
PA7 ------> ETH_CRS_DV
PC4 ------> ETH_RXD0
PC5 ------> ETH_RXD1
PB11 ------> ETH_TX_EN
PB12 ------> ETH_TXD0
PB13 ------> ETH_TXD1
*/
GPIO_InitStruct.Pin = GPIO_PIN_1|GPIO_PIN_4|GPIO_PIN_5;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF11_ETH;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_7;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF11_ETH;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF11_ETH;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* Peripheral interrupt init */
HAL_NVIC_SetPriority(ETH_IRQn, 5, 0);
HAL_NVIC_EnableIRQ(ETH_IRQn);
/* USER CODE BEGIN ETH_MspInit 1 */
/* USER CODE END ETH_MspInit 1 */
}
}
void HAL_ETH_MspDeInit(ETH_HandleTypeDef* ethHandle)
{
if(ethHandle->Instance==ETH)
{
/* USER CODE BEGIN ETH_MspDeInit 0 */
/* USER CODE END ETH_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_ETH_CLK_DISABLE();
/**ETH GPIO Configuration
PC1 ------> ETH_MDC
PA1 ------> ETH_REF_CLK
PA2 ------> ETH_MDIO
PA7 ------> ETH_CRS_DV
PC4 ------> ETH_RXD0
PC5 ------> ETH_RXD1
PB11 ------> ETH_TX_EN
PB12 ------> ETH_TXD0
PB13 ------> ETH_TXD1
*/
HAL_GPIO_DeInit(GPIOC, GPIO_PIN_1|GPIO_PIN_4|GPIO_PIN_5);
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_7);
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13);
/* Peripheral interrupt Deinit*/
HAL_NVIC_DisableIRQ(ETH_IRQn);
/* USER CODE BEGIN ETH_MspDeInit 1 */
/* USER CODE END ETH_MspDeInit 1 */
}
}
/**
* @brief Ethernet Rx Transfer completed callback
* @param heth: ETH handle
* @retval None
*/
void HAL_ETH_RxCpltCallback(ETH_HandleTypeDef *heth)
{
osSemaphoreRelease(s_xSemaphore);
}
/* USER CODE BEGIN 4 */
/* USER CODE END 4 */
/*******************************************************************************
LL Driver Interface ( LwIP stack --> ETH)
*******************************************************************************/
/**
* In this function, the hardware should be initialized.
* Called from ethernetif_init().
*
* @param netif the already initialized lwip network interface structure
* for this ethernetif
*/
//void ethernetif_input(void * argument);
void mac_init(void)
{
// HAL_StatusTypeDef hal_eth_init_status;
heth.Instance = ETH;
heth.Init.AutoNegotiation = ETH_AUTONEGOTIATION_ENABLE;
heth.Init.Speed = ETH_SPEED_100M;
heth.Init.DuplexMode = ETH_MODE_FULLDUPLEX;
heth.Init.PhyAddress = PHY_KSZ8081_PHY_ADDRESS;
heth.Init.MACAddr = MACAddr.addr;
heth.Init.RxMode = ETH_RXINTERRUPT_MODE;
heth.Init.ChecksumMode = ETH_CHECKSUM_BY_HARDWARE;
heth.Init.MediaInterface = ETH_MEDIA_INTERFACE_RMII;
/* USER CODE BEGIN MACADDRESS */
ETH->MACIMR = ETH_MACIMR_TSTIM | ETH_MACIMR_PMTIM;
ETH->MMCRIMR = ETH_MMCRIMR_RGUFM | ETH_MMCRIMR_RFAEM | ETH_MMCRIMR_RFCEM;
ETH->MMCTIMR = ETH_MMCTIMR_TGFM | ETH_MMCTIMR_TGFMSCM | ETH_MMCTIMR_TGFSCM;
/* USER CODE END MACADDRESS */
HAL_ETH_Init(&heth);
/* Initialize Tx Descriptors list: Chain Mode */
HAL_ETH_DMATxDescListInit(&heth, DMATxDscrTab, &Tx_Buff[0][0], ETH_TXBUFNB);
/* Initialize Rx Descriptors list: Chain Mode */
HAL_ETH_DMARxDescListInit(&heth, DMARxDscrTab, &Rx_Buff[0][0], ETH_RXBUFNB);
if (s_xSemaphore == NULL){
osSemaphoreDef(SEM);
s_xSemaphore = osSemaphoreCreate(osSemaphore(SEM), 1);
osThreadDef(EthIf, ethernetif_input, osPriorityRealtime, 0, INTERFACE_THREAD_STACK_SIZE); // osPriorityRealtime = 3 и при создании задачи еще +3; приоритет будет 6
osThreadCreate (osThread(EthIf), NULL);
}
HAL_ETH_Start(&heth);
}
//static void low_level_init(struct netif *netif)
//{
//
//#if LWIP_ARP || LWIP_ETHERNET
// /* set MAC hardware address length */
// netif->hwaddr_len = ETH_HWADDR_LEN;
// /* set MAC hardware address */
// netif->hwaddr[0] = heth.Init.MACAddr[0];
// netif->hwaddr[1] = heth.Init.MACAddr[1];
// netif->hwaddr[2] = heth.Init.MACAddr[2];
// netif->hwaddr[3] = heth.Init.MACAddr[3];
// netif->hwaddr[4] = heth.Init.MACAddr[4];
// netif->hwaddr[5] = heth.Init.MACAddr[5];
// /* maximum transfer unit */
// netif->mtu = 1500;
//netif->flags |= NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP;
// /* Accept broadcast address and ARP traffic */
// /* don't set NETIF_FLAG_ETHARP if this device is not an ethernet one */
// #if LWIP_ARP
// netif->flags |= NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP;
// #else
// netif->flags |= NETIF_FLAG_BROADCAST;
// #endif /* LWIP_ARP */
//#endif /* LWIP_ARP || LWIP_ETHERNET */
//}
/**
* This function should do the actual transmission of the packet. The packet is
* contained in the pbuf that is passed to the function. This pbuf
* might be chained.
*
* @param netif the lwip network interface structure for this ethernetif
* @param p the MAC packet to send (e.g. IP packet including MAC addresses and type)
* @return ERR_OK if the packet could be sent
* an err_t value if the packet couldn't be sent
*
* @note Returning ERR_MEM here if a DMA queue of your MAC is full can lead to
* strange results. You might consider waiting for space in the DMA queue
* to become available since the stack doesn't retry to send a packet
* dropped because of memory failure (except for the TCP timers).
*/
static err_t low_level_output(struct netif *netif, struct pbuf *p)
{
err_t errval;
struct pbuf *q;
uint8_t *buffer = (uint8_t *)(heth.TxDesc->Buffer1Addr);
__IO ETH_DMADescTypeDef *DmaTxDesc;
uint32_t framelength = 0;
uint32_t bufferoffset = 0;
uint32_t byteslefttocopy = 0;
uint32_t payloadoffset = 0;
DmaTxDesc = heth.TxDesc;
bufferoffset = 0;
/* copy frame from pbufs to driver buffers */
for(q = p; q != NULL; q = q->next)
{
/* Is this buffer available? If not, goto error */
if((DmaTxDesc->Status & ETH_DMATXDESC_OWN) != (uint32_t)RESET)
{
errval = ERR_USE;
goto error;
}
/* Get bytes in current lwIP buffer */
byteslefttocopy = q->len;
payloadoffset = 0;
/* Check if the length of data to copy is bigger than Tx buffer size*/
while( (byteslefttocopy + bufferoffset) > ETH_TX_BUF_SIZE )
{
/* Copy data to Tx buffer*/
memcpy( (uint8_t*)((uint8_t*)buffer + bufferoffset), (uint8_t*)((uint8_t*)q->payload + payloadoffset), (ETH_TX_BUF_SIZE - bufferoffset) );
/* Point to next descriptor */
DmaTxDesc = (ETH_DMADescTypeDef *)(DmaTxDesc->Buffer2NextDescAddr);
/* Check if the buffer is available */
if((DmaTxDesc->Status & ETH_DMATXDESC_OWN) != (uint32_t)RESET)
{
errval = ERR_USE;
goto error;
}
buffer = (uint8_t *)(DmaTxDesc->Buffer1Addr);
byteslefttocopy = byteslefttocopy - (ETH_TX_BUF_SIZE - bufferoffset);
payloadoffset = payloadoffset + (ETH_TX_BUF_SIZE - bufferoffset);
framelength = framelength + (ETH_TX_BUF_SIZE - bufferoffset);
bufferoffset = 0;
}
/* Copy the remaining bytes */
memcpy( (uint8_t*)((uint8_t*)buffer + bufferoffset), (uint8_t*)((uint8_t*)q->payload + payloadoffset), byteslefttocopy );
bufferoffset = bufferoffset + byteslefttocopy;
framelength = framelength + byteslefttocopy;
}
/* Prepare transmit descriptors to give to DMA */
HAL_ETH_TransmitFrame(&heth, framelength);
errval = ERR_OK;
error:
/* When Transmit Underflow flag is set, clear it and issue a Transmit Poll Demand to resume transmission */
if ((heth.Instance->DMASR & ETH_DMASR_TUS) != (uint32_t)RESET)
{
/* Clear TUS ETHERNET DMA flag */
heth.Instance->DMASR = ETH_DMASR_TUS;
/* Resume DMA transmission*/
heth.Instance->DMATPDR = 0;
}
return errval;
}
/**
* Should allocate a pbuf and transfer the bytes of the incoming
* packet from the interface into the pbuf.
*
* @param netif the lwip network interface structure for this ethernetif
* @return a pbuf filled with the received packet (including MAC header)
* NULL on memory error
*/
static struct pbuf * low_level_input(struct netif *netif)
{
struct pbuf *p = NULL;
struct pbuf *q = NULL;
uint16_t len = 0;
uint8_t *buffer;
__IO ETH_DMADescTypeDef *dmarxdesc;
uint32_t bufferoffset = 0;
uint32_t payloadoffset = 0;
uint32_t byteslefttocopy = 0;
uint32_t i=0;
HAL_StatusTypeDef status;
/* get received frame */
LOCK_TCPIP_CORE();
status = HAL_ETH_GetReceivedFrame_IT(&heth);
UNLOCK_TCPIP_CORE();
if (status != HAL_OK) return NULL;
//else __DEBUG(DEBUG_ETH, "low level receive OK\r\n");
/* Obtain the size of the packet and put it into the "len" variable. */
len = heth.RxFrameInfos.length;
buffer = (uint8_t *)heth.RxFrameInfos.buffer;
if (len > 0)
{
/* We allocate a pbuf chain of pbufs from the Lwip buffer pool */
p = pbuf_alloc(PBUF_RAW, len, PBUF_POOL);
}
if (p != NULL)
{
dmarxdesc = heth.RxFrameInfos.FSRxDesc;
bufferoffset = 0;
for(q = p; q != NULL; q = q->next)
{
byteslefttocopy = q->len;
payloadoffset = 0;
/* Check if the length of bytes to copy in current pbuf is bigger than Rx buffer size*/
while( (byteslefttocopy + bufferoffset) > ETH_RX_BUF_SIZE )
{
/* Copy data to pbuf */
memcpy( (uint8_t*)((uint8_t*)q->payload + payloadoffset), (uint8_t*)((uint8_t*)buffer + bufferoffset), (ETH_RX_BUF_SIZE - bufferoffset));
/* Point to next descriptor */
dmarxdesc = (ETH_DMADescTypeDef *)(dmarxdesc->Buffer2NextDescAddr);
buffer = (uint8_t *)(dmarxdesc->Buffer1Addr);
byteslefttocopy = byteslefttocopy - (ETH_RX_BUF_SIZE - bufferoffset);
payloadoffset = payloadoffset + (ETH_RX_BUF_SIZE - bufferoffset);
bufferoffset = 0;
}
/* Copy remaining data in pbuf */
memcpy( (uint8_t*)((uint8_t*)q->payload + payloadoffset), (uint8_t*)((uint8_t*)buffer + bufferoffset), byteslefttocopy);
bufferoffset = bufferoffset + byteslefttocopy;
}
}
/* Release descriptors to DMA */
/* Point to first descriptor */
dmarxdesc = heth.RxFrameInfos.FSRxDesc;
/* Set Own bit in Rx descriptors: gives the buffers back to DMA */
for (i=0; i< heth.RxFrameInfos.SegCount; i++)
{
dmarxdesc->Status |= ETH_DMARXDESC_OWN;
dmarxdesc = (ETH_DMADescTypeDef *)(dmarxdesc->Buffer2NextDescAddr);
}
/* Clear Segment_Count */
heth.RxFrameInfos.SegCount =0;
/* When Rx Buffer unavailable flag is set: clear it and resume reception */
if ((heth.Instance->DMASR & ETH_DMASR_RBUS) != (uint32_t)RESET)
{
/* Clear RBUS ETHERNET DMA flag */
heth.Instance->DMASR = ETH_DMASR_RBUS;
/* Resume DMA reception */
heth.Instance->DMARPDR = 0;
}
return p;
}
/**
* This function should be called when a packet is ready to be read
* from the interface. It uses the function low_level_input() that
* should handle the actual reception of bytes from the network
* interface. Then the type of the received packet is determined and
* the appropriate input function is called.
*
* @param netif the lwip network interface structure for this ethernetif
*/
//uint32_t RxCount = 0;
/**void my_ethernetif_input(struct netif *netif)
{
struct eth_hdr *ethhdr;
struct pbuf *p;
do{
p = low_level_input(netif);
if(p == NULL) return;
heth.RxDesc->Status = ETH_DMARXDESC_OWN;
ethhdr = p->payload;
if((eth_addr_cmp(ðhdr->dest, &MACAddr)) && (htons(ethhdr->type) == ETHTYPE_IP)){
RxCount++;
__DEBUG(DEBUG_ETH, "rx packet count - %d\r\n", RxCount);
}
if (netif->input( p, netif) != ERR_OK )
{
pbuf_free(p);
p = NULL;
}
}while(1);
}*/
//#include "ip_addr.h"
void ethernetif_inp(void)
{
// struct pbuf *p;
// //network_settings *net_table =(network_settings*) argument;;
//// struct netif *netif;
// struct ip_hdr *iphdr;
// struct eth_hdr *ethhdr;
// ip4_addr_t addrIP;
// uint32_t dest = 0xC800A8C0;
// ip4_addr_t addrIP;
// uint8_t iphdr_hlen;
// ip4_addr_p_t ret;
// struct udp_hdr *udphdr;
// struct udp_hdr *udphdr;
// network_settings *net_table =(network_settings*) argument;;
//
// if(osSemaphoreWait(s_xSemaphore, portMAX_DELAY) == osOK){
// do
// {
// // LOCK_TCPIP_CORE();
// p = low_level_input(NULL);
// if (p != NULL)
// {
//
//// if (netif_list->input( p, &table_network[1].netif) != ERR_OK )
//// {
//// pbuf_free(p);
//// p = NULL;
//// }
//
// ethhdr = p->payload;
// if (eth_addr_cmp(ðhdr->dest, ðbroadcast)){
// __DEBUG(DEBUG_SERVCE, "broadcast ");
// }
//
// pbuf_header(p, -14);
// iphdr = (struct ip_hdr *)p->payload;
// __DEBUG(DEBUG_SERVCE, "ip dest - %08X\r\n", iphdr->dest);
// pbuf_header(p, 14);
//
// for(uint8_t i = 0; i < MAX_IP; i++){
// ip4addr_aton(table_network[i].ipv4_addr, &addrIP);
// if(addrIP.addr == iphdr->dest.addr){
//
//// if ((netif_list + i)->input( p, (netif_list + i)) != ERR_OK ){
//// pbuf_free(p);
//// p = NULL;
//// return;
//// }
// }
// }
// pbuf_free(p);
// p = NULL;
//
//
//
//
//
//
//// if (netif_list->input( p, &table_network[0].netif) != ERR_OK )
//// {
////
//// }
//
//
//// if (netif_list->input( p, netif_list) != ERR_OK )
//// {
//// pbuf_free(p);
//// p = NULL;
//// }
// //heth.RxDesc->Status = ETH_DMARXDESC_OWN;
// /* ethhdr = p->payload;
// iphdr_hlen = IPH_HL_BYTES(iphdr);
//// pbuf_header(p, -iphdr_hlen);
//// struct udp_hdr *udphdr = (struct udp_hdr *)p->payload;
//// pbuf_header(p, iphdr_hlen);
// if((eth_addr_cmp(ðhdr->dest, &MACAddr)) && (htons(ethhdr->type) == ETHTYPE_IP)){
// RxCount++;
// __DEBUG(DEBUG_ETH, "rx packet count - %d\r\n", RxCount);
// } */
//
//// ethhdr = p->payload;
//// if (eth_addr_cmp(ðhdr->dest, ðbroadcast)){ // широковещалка
//// iphdr = (struct ip_hdr *)p->payload;
//// for(uint8_t i = 0; i < MAX_IP; i++){
//// ip4addr_aton(net_table[i].ipv4_addr, &addrIP);
//// ret = addrIP.addr;
//// if(ip_addr_cmp(&addrIP, iphdr->dest)){
//// p->if_idx = i;
//// if (netif->input( p, netif_list) != ERR_OK )
//// {
//// pbuf_free(p);
//// p = NULL;
//// }
//// break;
//// }
//// }
//// }
//// for(uint8_t i = 0; i < MAX_IP; i++){
//// if(eth_addr_cmp(ðhdr->dest, &net_table[i].haddr)){
////
////
//// p->if_idx = i;
//// if (netif->input( p, netif_list) != ERR_OK )
//// {
//// pbuf_free(p);
//// p = NULL;
//// }
//// break;
//// /*pbuf_header(p, -iphdr_hlen);
//// udphdr = (struct udp_hdr *)p->payload;
//// pbuf_header(p, iphdr_hlen);*/
////
////
//// //ip_addr_cmp(, addrIP)
//// }
//// }
//
//// if (netif->input( p, netif) != ERR_OK )
//// {
//// pbuf_free(p);
//// p = NULL;
//// }
// }
// // UNLOCK_TCPIP_CORE();
// } while(p!=NULL);
// }
}
#include "log_and_debug.h"
#include "stm32f4xx_hal.h"
void ethernetif_input(void const * argument)
{
struct pbuf *p;
struct netif *netif;
struct ip_hdr *iphdr;
struct eth_hdr *ethhdr;
struct etharp_hdr *arphdr;
ip4_addr_t dipaddr;
for( ;; )
{
if(osSemaphoreWait(s_xSemaphore, TIME_WAITING_FOR_INPUT) == osOK)
{
do
{
p = low_level_input(NULL);
if (p != NULL)
{
netif = NULL;
ethhdr = p->payload;
pbuf_header(p, -14);
switch (htons(ethhdr->type)) {
case ETHTYPE_IP:
iphdr = (struct ip_hdr *)p->payload;
NETIF_FOREACH(netif){
if(iphdr->dest.addr == netif->ip_addr.addr) {
if((netif->flags & NETIF_FLAG_UP) == NETIF_FLAG_UP) break;
}
}
break;
case ETHTYPE_ARP:
arphdr = (struct etharp_hdr *)p->payload;
IPADDR_WORDALIGNED_COPY_TO_IP4_ADDR_T(&dipaddr, &arphdr->dipaddr);
NETIF_FOREACH(netif){
if(dipaddr.addr == netif->ip_addr.addr) {
if((netif->flags & NETIF_FLAG_UP) == NETIF_FLAG_UP) break;
}
}
break;
}
pbuf_header(p, 14);
if(netif != NULL){
if (netif->input(p, netif) != ERR_OK )
{
pbuf_free(p);
p = NULL;
}
}
else {
pbuf_free(p);
p = NULL;
}
}
} while(p!=NULL);
}
}
}
#if !LWIP_ARP
/**
* This function has to be completed by user in case of ARP OFF.
*
* @param netif the lwip network interface structure for this ethernetif
* @return ERR_OK if ...
*/
static err_t low_level_output_arp_off(struct netif *netif, struct pbuf *q, const ip4_addr_t *ipaddr)
{
err_t errval;
errval = ERR_OK;
/* USER CODE BEGIN 5 */
/* USER CODE END 5 */
return errval;
}
#endif /* LWIP_ARP */
/**
* Should be called at the beginning of the program to set up the
* network interface. It calls the function low_level_init() to do the
* actual setup of the hardware.
*
* This function should be passed as a parameter to netif_add().
*
* @param netif the lwip network interface structure for this ethernetif
* @return ERR_OK if the loopif is initialized
* ERR_MEM if private data couldn't be allocated
* any other err_t on error
*/
err_t ethernetif_init(struct netif *netif)
{
LWIP_ASSERT("netif != NULL", (netif != NULL));
#if LWIP_NETIF_HOSTNAME
/* Initialize interface hostname */
netif->hostname = "lwip";
#endif /* LWIP_NETIF_HOSTNAME */
netif->name[0] = IFNAME0;
netif->name[1] = IFNAME1;
/* We directly use etharp_output() here to save a function call.
* You can instead declare your own function an call etharp_output()
* from it if you have to do some checks before sending (e.g. if link
* is available...) */
#if LWIP_IPV4
#if LWIP_ARP || LWIP_ETHERNET
#if LWIP_ARP
netif->output = etharp_output;
#else
/* The user should write its own code in low_level_output_arp_off function */
netif->output = low_level_output_arp_off;
#endif /* LWIP_ARP */
#endif /* LWIP_ARP || LWIP_ETHERNET */
#endif /* LWIP_IPV4 */
#if LWIP_IPV6
netif->output_ip6 = ethip6_output;
#endif /* LWIP_IPV6 */
netif->linkoutput = low_level_output;
/* initialize the hardware */
// low_level_init(netif);
return ERR_OK;
}
/* USER CODE BEGIN 6 */
/**
* @brief Returns the current time in milliseconds
* when LWIP_TIMERS == 1 and NO_SYS == 1
* @param None
* @retval Time
*/
u32_t sys_jiffies(void)
{
return HAL_GetTick();
}
/**
* @brief Returns the current time in milliseconds
* when LWIP_TIMERS == 1 and NO_SYS == 1
* @param None
* @retval Time
*/
u32_t sys_now(void)
{
return HAL_GetTick();
}
/* USER CODE END 6 */
/* USER CODE BEGIN 7 */
/* USER CODE END 7 */
#if LWIP_NETIF_LINK_CALLBACK
/**
* @brief Link callback function, this function is called on change of link status
* to update low level driver configuration.
* @param netif: The network interface
* @retval None
*/
void ethernetif_update_config(struct netif *netif)
{
__IO uint32_t tickstart = 0;
uint32_t regvalue = 0;
if(netif_is_link_up(netif))
{
/* Restart the auto-negotiation */
if(heth.Init.AutoNegotiation != ETH_AUTONEGOTIATION_DISABLE)
{
/* Enable Auto-Negotiation */
HAL_ETH_WritePHYRegister(&heth, PHY_BCR, PHY_AUTONEGOTIATION);
/* Get tick */
tickstart = HAL_GetTick();
/* Wait until the auto-negotiation will be completed */
do
{
HAL_ETH_ReadPHYRegister(&heth, PHY_BSR, ®value);
/* Check for the Timeout ( 1s ) */
if((HAL_GetTick() - tickstart ) > 1000)
{
/* In case of timeout */
goto error;
}
} while (((regvalue & PHY_AUTONEGO_COMPLETE) != PHY_AUTONEGO_COMPLETE));
/* Read the result of the auto-negotiation */
HAL_ETH_ReadPHYRegister(&heth, PHY_SR, ®value);
/* Configure the MAC with the Duplex Mode fixed by the auto-negotiation process */
if((regvalue & PHY_DUPLEX_STATUS) != (uint32_t)RESET)
{
/* Set Ethernet duplex mode to Full-duplex following the auto-negotiation */
heth.Init.DuplexMode = ETH_MODE_FULLDUPLEX;
}
else
{
/* Set Ethernet duplex mode to Half-duplex following the auto-negotiation */
heth.Init.DuplexMode = ETH_MODE_HALFDUPLEX;
}
/* Configure the MAC with the speed fixed by the auto-negotiation process */
if(regvalue & PHY_SPEED_STATUS)
{
/* Set Ethernet speed to 10M following the auto-negotiation */
heth.Init.Speed = ETH_SPEED_10M;
}
else
{
/* Set Ethernet speed to 100M following the auto-negotiation */
heth.Init.Speed = ETH_SPEED_100M;
}
}
else /* AutoNegotiation Disable */
{
error :
/* Check parameters */
assert_param(IS_ETH_SPEED(heth.Init.Speed));
assert_param(IS_ETH_DUPLEX_MODE(heth.Init.DuplexMode));
/* Set MAC Speed and Duplex Mode to PHY */
HAL_ETH_WritePHYRegister(&heth, PHY_BCR, ((uint16_t)(heth.Init.DuplexMode >> 3) |
(uint16_t)(heth.Init.Speed >> 1)));
}
/* ETHERNET MAC Re-Configuration */
HAL_ETH_ConfigMAC(&heth, (ETH_MACInitTypeDef *) NULL);
/* Restart MAC interface */
HAL_ETH_Start(&heth);
}
else
{
/* Stop MAC interface */
HAL_ETH_Stop(&heth);
}
ethernetif_notify_conn_changed(netif);
}
/* USER CODE BEGIN 8 */
/**
* @brief This function notify user about link status changement.
* @param netif: the network interface
* @retval None
*/
__weak void ethernetif_notify_conn_changed(struct netif *netif)
{
/* NOTE : This is function could be implemented in user file
when the callback is needed,
*/
}
/* USER CODE END 8 */
#endif /* LWIP_NETIF_LINK_CALLBACK */
/* USER CODE BEGIN 9 */
/* USER CODE END 9 */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/