/**
* In this function, the hardware should be initialized.
* Called from ethernetif_init().
*
* @param netif the already initialized lwip network interface structure
* for this ethernetif
*/
static void low_level_init(struct netif *netif)
{
/* set netif MAC hardware address length */
netif->hwaddr_len = ETHARP_HWADDR_LEN;
/* set netif MAC hardware address */
netif->hwaddr[0] = MAC_ADDR0;
netif->hwaddr[1] = MAC_ADDR1;
netif->hwaddr[2] = MAC_ADDR2;
netif->hwaddr[3] = MAC_ADDR3;
netif->hwaddr[4] = MAC_ADDR4;
netif->hwaddr[5] = MAC_ADDR5;
/* set netif maximum transfer unit */
netif->mtu = 1500;
/* Accept broadcast address and ARP traffic */
netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP;
s_pxNetIf =netif;
/* create binary semaphore used for informing ethernetif of frame reception */
if (Ethernet_xSemaphore == NULL)
{
vSemaphoreCreateBinary(Ethernet_xSemaphore);
xSemaphoreTake(Ethernet_xSemaphore, 0);
}
/* create the task that handles the ETH_MAC */
xTaskCreate(ethernetif_input, (signed char*) "Eth_if", netifINTERFACE_TASK_STACK_SIZE, NULL,
netifINTERFACE_TASK_PRIORITY, Ð_Task_Handle);
/* Enable MAC and DMA transmission and reception */
ETH_Start();
}
void tapdev_init(void)
{
ENET_TxDscrInit();
ENET_RxDscrInit();
ETH_Start();
}
/**
* In this function, the hardware should be initialized.
* Called from ethernetif_init().
*
* @param netif the already initialized lwip network interface structure
* for this ethernetif
*/
static void
low_level_init(struct netif *netif)
{
SYS_ARCH_DECL_PROTECT(sr);
/* set MAC hardware address length */
netif->hwaddr_len = ETHARP_HWADDR_LEN;
/* set MAC hardware address */
netif->hwaddr[0] = MACaddr[0];
netif->hwaddr[1] = MACaddr[1];
netif->hwaddr[2] = MACaddr[2];
netif->hwaddr[3] = MACaddr[3];
netif->hwaddr[4] = MACaddr[4];
netif->hwaddr[5] = MACaddr[5];
/* maximum transfer unit */
netif->mtu = 1500;
/* device capabilities */
/* don't set NETIF_FLAG_ETHARP if this device is not an ethernet one */
netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP;
SYS_ARCH_PROTECT(sr);
/* Initialize Tx Descriptors list: Chain Mode */
ETH_DMATxDescChainInit(DMATxDscrTab, &Tx_Buff[0][0], ETH_TXBUFNB);
/* Initialize Rx Descriptors list: Chain Mode */
ETH_DMARxDescChainInit(DMARxDscrTab, &Rx_Buff[0][0], ETH_RXBUFNB);
/*----------added by Wang Mengyin 2010-07-20----------------------------------*/
// install Ethernet Interrupt Handlers
// enable Ethernet Interrupt in NVIC and set up ISR
BSP_IntVectSet(BSP_INT_ID_ETH, LwIP_Pkt_Handle);
BSP_IntEn(BSP_INT_ID_ETH);
/* Enable Ethernet Rx interrrupt */
{ int i;
for(i=0; i<ETH_RXBUFNB; i++)
{
ETH_DMARxDescReceiveITConfig(&DMARxDscrTab[i], ENABLE);
}
}
#ifdef CHECKSUM_BY_HARDWARE
/* Enable the checksum insertion for the Tx frames */
{ int i;
for(i=0; i<ETH_TXBUFNB; i++)
{
ETH_DMATxDescChecksumInsertionConfig(&DMATxDscrTab[i], ETH_DMATxDesc_ChecksumTCPUDPICMPFull);
}
}
#endif
SYS_ARCH_UNPROTECT(sr);
/* Enable MAC and DMA transmission and reception */
ETH_Start();
}
void net_init()
{
int i;
uint8_t mac_addr[6];
mac_addr[0] = MAC_ADDR0;
mac_addr[1] = MAC_ADDR1;
mac_addr[2] = MAC_ADDR2;
mac_addr[3] = MAC_ADDR3;
mac_addr[4] = MAC_ADDR4;
mac_addr[5] = MAC_ADDR5;
ETH_BSP_Config();
ETH_MACAddressConfig(ETH_MAC_Address0, &mac_addr);
ETH_DMATxDescChainInit(DMATxDscrTab, &Tx_Buff[0][0], ETH_TXBUFNB);
ETH_DMARxDescChainInit(DMARxDscrTab, &Rx_Buff[0][0], ETH_RXBUFNB);
for (i = 0; i < ETH_TXBUFNB; i++)
{
ETH_DMATxDescChecksumInsertionConfig(&DMATxDscrTab[i], ETH_DMATxDesc_ChecksumByPass);
}
ETH_Start();
}
/*************************************************************************
* Function Name: eth_init
* Parameters:
* Return:
*
* Description: init Ethernet peripheral
*
*************************************************************************/
void eth_init(void){
//
ETH_MACAddressConfig(ETH_MAC_Address0, (u8*)ð_stm32f4x7_info.mac_addr[0]);
//
eth_macdma_it_config();
//
ETH_Start();
}
unsigned long ENET_Configuration(void)
{
unsigned long res=0;
unsigned short tmp;
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_ETH_MAC | RCC_AHBPeriph_ETH_MAC_Tx |
RCC_AHBPeriph_ETH_MAC_Rx, ENABLE);
ETH_DeInit();
get_mac(mac);
ETH_MACAddressConfig(ETH_MAC_Address0, mac);
GPIO_ETH_MediaInterfaceConfig(GPIO_ETH_MediaInterface_RMII);
ETH_SoftwareReset();
while(ETH_GetSoftwareResetStatus()==SET) vTaskDelayUntil( &ExLastExecutionTime, ( portTickType ) 1 / portTICK_RATE_MS );
ETH_StructInit(Ð_InitStructure);
ETH_InitStructure.ETH_AutoNegotiation = ETH_AutoNegotiation_Enable;
ETH_InitStructure.ETH_Watchdog = ETH_Watchdog_Disable;
ETH_InitStructure.ETH_Jabber = ETH_Jabber_Disable;
ETH_InitStructure.ETH_JumboFrame = ETH_JumboFrame_Disable;
ETH_InitStructure.ETH_InterFrameGap = ETH_InterFrameGap_64Bit;
ETH_InitStructure.ETH_CarrierSense = ETH_CarrierSense_Enable;
ETH_InitStructure.ETH_Speed = ETH_Speed_10M;
ETH_InitStructure.ETH_ReceiveOwn = ETH_ReceiveOwn_Disable;
ETH_InitStructure.ETH_LoopbackMode = ETH_LoopbackMode_Disable;
ETH_InitStructure.ETH_Mode = ETH_Mode_FullDuplex;
ETH_InitStructure.ETH_RetryTransmission = ETH_RetryTransmission_Disable;
ETH_InitStructure.ETH_AutomaticPadCRCStrip = ETH_AutomaticPadCRCStrip_Disable;
ETH_InitStructure.ETH_BackOffLimit = ETH_BackOffLimit_10;
ETH_InitStructure.ETH_DeferralCheck = ETH_DeferralCheck_Disable;
ETH_InitStructure.ETH_ReceiveAll = ETH_ReceiveAll_Enable;
ETH_InitStructure.ETH_PassControlFrames = ETH_PassControlFrames_ForwardPassedAddrFilter;
ETH_InitStructure.ETH_BroadcastFramesReception = ETH_BroadcastFramesReception_Disable;
ETH_InitStructure.ETH_DestinationAddrFilter = ETH_DestinationAddrFilter_Normal;
ETH_InitStructure.ETH_PromiscuousMode = ETH_PromiscuousMode_Disable;
ETH_InitStructure.ETH_MulticastFramesFilter = ETH_MulticastFramesFilter_Perfect;
ETH_InitStructure.ETH_UnicastFramesFilter = ETH_UnicastFramesFilter_Perfect;
ETH_InitStructure.ETH_RxDMABurstLength = ETH_RxDMABurstLength_32Beat;
ETH_InitStructure.ETH_TxDMABurstLength = ETH_TxDMABurstLength_32Beat;
ETH_InitStructure.ETH_FlushReceivedFrame = ETH_FlushReceivedFrame_Enable;
ETH_InitStructure.ETH_SecondFrameOperate = ETH_SecondFrameOperate_Enable;
ETH_InitStructure.ETH_FixedBurst = ETH_FixedBurst_Enable;
res = ETH_Init(Ð_InitStructure, PHY_ADDRESS);
ETH_DMAITConfig(ETH_DMA_IT_NIS | ETH_DMA_IT_R | ETH_DMA_IT_T, ENABLE);
for(tmp=0;tmp<ETH_RXBUFNB;tmp++) Rx_Buff[tmp] = (unsigned long)Ð_RX[tmp][0];
for(tmp=0;tmp<ETH_TXBUFNB;tmp++) Tx_Buff[tmp] = (unsigned long)Ð_TX[tmp][0];
ETH_DMATxDescChainInit(DMATxDscrTab, (unsigned char*)Tx_Buff, ETH_TXBUFNB);
ETH_DMARxDescChainInit(DMARxDscrTab, (unsigned char*)Rx_Buff, ETH_RXBUFNB);
for(tmp=0;tmp<ETH_RXBUFNB;tmp++){ETH_DMARxDescReceiveITConfig(DMARxDscrTab+tmp, ENABLE);}
ETH_Start();
ETH_ResumeDMAReception();
return(res);
}
/**
* In this function, the hardware should be initialized.
* Called from ethernetif_init().
*
* @param netif the already initialized lwip network interface structure
* for this ethernetif
*/
static void
low_level_init(struct netif *netif)
{
/* set MAC hardware address length */
netif->hwaddr_len = ETHARP_HWADDR_LEN;
/* set MAC hardware address */
netif->hwaddr[0] = MACaddr[0];
netif->hwaddr[1] = MACaddr[1];
netif->hwaddr[2] = MACaddr[2];
netif->hwaddr[3] = MACaddr[3];
netif->hwaddr[4] = MACaddr[4];
netif->hwaddr[5] = MACaddr[5];
/* maximum transfer unit */
netif->mtu = 1500;
/* device capabilities */
/* don't set NETIF_FLAG_ETHARP if this device is not an ethernet one */
netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP;
/* Initialize Tx Descriptors list: Chain Mode */
ETH_DMATxDescChainInit(DMATxDscrTab, &Tx_Buff[0][0], ETH_TXBUFNB);
/* Initialize Rx Descriptors list: Chain Mode */
ETH_DMARxDescChainInit(DMARxDscrTab, &Rx_Buff[0][0], ETH_RXBUFNB);
/* Enable Ethernet Rx interrrupt */
{ int i;
for(i=0; i<ETH_RXBUFNB; i++)
{
ETH_DMARxDescReceiveITConfig(&DMARxDscrTab[i], ENABLE);
}
}
#ifdef CHECKSUM_BY_HARDWARE
/* Enable the checksum insertion for the Tx frames */
{ int i;
for(i=0; i<ETH_TXBUFNB; i++)
{
ETH_DMATxDescChecksumInsertionConfig(&DMATxDscrTab[i], ETH_DMATxDesc_ChecksumTCPUDPICMPFull);
}
}
#endif
/* Enable MAC and DMA transmission and reception */
ETH_Start();
}
/**
* In this function, the hardware should be initialized.
* Called from ethernetif_init().
*
* @param netif the already initialized lwip network interface structure
* for this ethernetif
*/
static void low_level_init(struct netif *netif)
{
#ifdef CHECKSUM_BY_HARDWARE
int i;
#endif
/* set MAC hardware address length */
netif->hwaddr_len = ETHARP_HWADDR_LEN;
/* set MAC hardware address */
netif->hwaddr[0] = MAC_ADDR0;
netif->hwaddr[1] = MAC_ADDR1;
netif->hwaddr[2] = MAC_ADDR2;
netif->hwaddr[3] = MAC_ADDR3;
netif->hwaddr[4] = MAC_ADDR4;
netif->hwaddr[5] = MAC_ADDR5;
/* initialize MAC address in ethernet MAC */
ETH_MACAddressConfig(ETH_MAC_Address0, netif->hwaddr);
/* maximum transfer unit */
netif->mtu = 1500;
/* device capabilities */
/* don't set NETIF_FLAG_ETHARP if this device is not an ethernet one */
netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP;
/************************************************************************/
//DMATxDscrTab->ControlBufferSize = 100;
/* Initialize Tx Descriptors list: Chain Mode */
ETH_DMATxDescChainInit(DMATxDscrTab, &Tx_Buff[0][0], ETH_TXBUFNB);
/* Initialize Rx Descriptors list: Chain Mode */
ETH_DMARxDescChainInit(DMARxDscrTab, &Rx_Buff[0][0], ETH_RXBUFNB);
#ifdef CHECKSUM_BY_HARDWARE
/* Enable the TCP, UDP and ICMP checksum insertion for the Tx frames */
for(i=0; i<ETH_TXBUFNB; i++)
{
ETH_DMATxDescChecksumInsertionConfig(&DMATxDscrTab[i], ETH_DMATxDesc_ChecksumTCPUDPICMPFull);
}
#endif
/* Note: TCP, UDP, ICMP checksum checking for received frame are enabled in DMA config */
/* Enable MAC and DMA transmission and reception */
ETH_Start();
}
/**
* @brief Link callback function, this function is called on change of link status.
* @param The network interface
* @retval None
*/
void ETH_link_callback(struct netif *netif)
{
__IO uint32_t timeout = 0;
uint32_t tmpreg;
uint16_t RegValue;
struct ip_addr ipaddr;
struct ip_addr netmask;
struct ip_addr gw;
#ifndef USE_DHCP
uint8_t iptab[4] = {0};
uint8_t iptxt[20];
#endif /* USE_DHCP */
/* Clear LCD */
// LCD_ClearLine(Line4);
// LCD_ClearLine(Line5);
// LCD_ClearLine(Line6);
// LCD_ClearLine(Line7);
// LCD_ClearLine(Line8);
// LCD_ClearLine(Line9);
if(netif_is_link_up(netif))
{
/* Restart the auto-negotiation */
if(ETH_InitStructure.ETH_AutoNegotiation != ETH_AutoNegotiation_Disable)
{
/* Reset Timeout counter */
timeout = 0;
/* Enable auto-negotiation */
ETH_WritePHYRegister(DP83848_PHY_ADDRESS, PHY_BCR, PHY_AutoNegotiation);
/* Wait until the auto-negotiation will be completed */
do
{
timeout++;
} while (!(ETH_ReadPHYRegister(DP83848_PHY_ADDRESS, PHY_BSR) & PHY_AutoNego_Complete) && (timeout < (uint32_t)PHY_READ_TO));
/* Reset Timeout counter */
timeout = 0;
/* Read the result of the auto-negotiation */
RegValue = ETH_ReadPHYRegister(DP83848_PHY_ADDRESS, PHY_SR);
/* Configure the MAC with the Duplex Mode fixed by the auto-negotiation process */
if((RegValue & PHY_DUPLEX_STATUS) != (uint16_t)RESET)
{
/* Set Ethernet duplex mode to Full-duplex following the auto-negotiation */
ETH_InitStructure.ETH_Mode = ETH_Mode_FullDuplex;
}
else
{
/* Set Ethernet duplex mode to Half-duplex following the auto-negotiation */
ETH_InitStructure.ETH_Mode = 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 */
ETH_InitStructure.ETH_Speed = ETH_Speed_10M;
}
else
{
/* Set Ethernet speed to 100M following the auto-negotiation */
ETH_InitStructure.ETH_Speed = ETH_Speed_100M;
}
/*------------------------ ETHERNET MACCR Re-Configuration --------------------*/
/* Get the ETHERNET MACCR value */
tmpreg = ETH->MACCR;
/* Set the FES bit according to ETH_Speed value */
/* Set the DM bit according to ETH_Mode value */
tmpreg |= (uint32_t)(ETH_InitStructure.ETH_Speed | ETH_InitStructure.ETH_Mode);
/* Write to ETHERNET MACCR */
ETH->MACCR = (uint32_t)tmpreg;
_eth_delay_(ETH_REG_WRITE_DELAY);
tmpreg = ETH->MACCR;
ETH->MACCR = tmpreg;
}
/* Restart MAC interface */
ETH_Start();
#ifdef USE_DHCP
ipaddr.addr = 0;
netmask.addr = 0;
gw.addr = 0;
DHCP_state = DHCP_START;
#else
IP4_ADDR(&ipaddr, IP_ADDR0, IP_ADDR1, IP_ADDR2, IP_ADDR3);
IP4_ADDR(&netmask, NETMASK_ADDR0, NETMASK_ADDR1 , NETMASK_ADDR2, NETMASK_ADDR3);
IP4_ADDR(&gw, GW_ADDR0, GW_ADDR1, GW_ADDR2, GW_ADDR3);
#endif /* USE_DHCP */
netif_set_addr(&gnetif, &ipaddr , &netmask, &gw);
/* When the netif is fully configured this function must be called.*/
netif_set_up(&gnetif);
#ifdef USE_LCD
/* Set the LCD Text Color */
LCD_SetTextColor(Green);
/* Display message on the LCD */
LCD_DisplayStringLine(Line5, (uint8_t*)" Network Cable is ");
LCD_DisplayStringLine(Line6, (uint8_t*)" now connected ");
/* Set the LCD Text Color */
LCD_SetTextColor(White);
#ifndef USE_DHCP
/* Display static IP address */
iptab[0] = IP_ADDR3;
iptab[1] = IP_ADDR2;
iptab[2] = IP_ADDR1;
iptab[3] = IP_ADDR0;
sprintf((char*)iptxt, " %d.%d.%d.%d", iptab[3], iptab[2], iptab[1], iptab[0]);
LCD_DisplayStringLine(Line8, (uint8_t*)" Static IP address ");
LCD_DisplayStringLine(Line9, iptxt);
/* Clear LCD */
LCD_ClearLine(Line5);
LCD_ClearLine(Line6);
#endif /* USE_DHCP */
#endif /* USE_LCD */
EthLinkStatus = 0;
}
else
{
ETH_Stop();
#ifdef USE_DHCP
DHCP_state = DHCP_LINK_DOWN;
dhcp_stop(netif);
#endif /* USE_DHCP */
/* When the netif link is down this function must be called.*/
netif_set_down(&gnetif);
#ifdef USE_LCD
/* Set the LCD Text Color */
LCD_SetTextColor(Red);
/* Display message on the LCD */
LCD_DisplayStringLine(Line5, (uint8_t*)" Network Cable is ");
LCD_DisplayStringLine(Line6, (uint8_t*)" unplugged ");
/* Set the LCD Text Color */
LCD_SetTextColor(White);
#endif /* USE_LCD */
}
}
/**
* In this function, the hardware should be initialized.
* Called from ethernetif_init().
*
* @param netif the already initialized lwip network interface structure
* for this ethernetif
*/
static void low_level_init(struct netif *netif)
{
uint32_t i;
/* set netif MAC hardware address length */
netif->hwaddr_len = ETHARP_HWADDR_LEN;
/* set netif MAC hardware address */
netif->hwaddr[0] = MAC_ADDR0;
netif->hwaddr[1] = MAC_ADDR1;
netif->hwaddr[2] = MAC_ADDR2;
netif->hwaddr[3] = MAC_ADDR3;
netif->hwaddr[4] = MAC_ADDR4;
netif->hwaddr[5] = MAC_ADDR5;
/* set netif maximum transfer unit */
netif->mtu = 1500;
/* Accept broadcast address and ARP traffic */
netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP;
s_pxNetIf =netif;
/* create binary semaphore used for informing ethernetif of frame reception */
if (s_xSemaphore == NULL)
{
s_xSemaphore= xSemaphoreCreateCounting(20,0);
}
/* initialize MAC address in ethernet MAC */
ETH_MACAddressConfig(ETH_MAC_Address0, netif->hwaddr);
/* Initialize Tx Descriptors list: Chain Mode */
ETH_DMATxDescChainInit(DMATxDscrTab, &Tx_Buff[0][0], ETH_TXBUFNB);
/* Initialize Rx Descriptors list: Chain Mode */
ETH_DMARxDescChainInit(DMARxDscrTab, &Rx_Buff[0][0], ETH_RXBUFNB);
/* Enable Ethernet Rx interrrupt */
{
for(i=0; i<ETH_RXBUFNB; i++)
{
ETH_DMARxDescReceiveITConfig(&DMARxDscrTab[i], ENABLE);
}
}
#ifdef CHECKSUM_BY_HARDWARE
/* Enable the checksum insertion for the Tx frames */
{
for(i=0; i<ETH_TXBUFNB; i++)
{
ETH_DMATxDescChecksumInsertionConfig(&DMATxDscrTab[i], ETH_DMATxDesc_ChecksumTCPUDPICMPFull);
}
}
#endif
/* create the task that handles the ETH_MAC */
//xTaskCreate(ethernetif_input, (signed char*) "Eth_if", netifINTERFACE_TASK_STACK_SIZE, NULL,
// netifINTERFACE_TASK_PRIORITY,NULL);
/* Enable MAC and DMA transmission and reception */
ETH_Start();
}
/**
* @brief Link callback function, this function is called on change of link status.
* @param The network interface
* @retval None
*/
void ETH_link_callback(struct netif *netif)
{
__IO uint32_t timeout = 0;
uint32_t tmpreg,RegValue;
struct ip_addr ipaddr;
struct ip_addr netmask;
struct ip_addr gw;
#ifndef USE_DHCP
uint8_t iptab[4] = {0};
uint8_t iptxt[20];
#endif /* USE_DHCP */
if(netif_is_link_up(netif))
{
/* Restart the autonegotiation */
if(ETH_InitStructure.ETH_AutoNegotiation != ETH_AutoNegotiation_Disable)
{
/* Reset Timeout counter */
timeout = 0;
/* Enable Auto-Negotiation */
ETH_WritePHYRegister(BOARD_PHY_ADDRESS, PHY_BCR, PHY_AutoNegotiation);
/* Wait until the auto-negotiation will be completed */
do
{
timeout++;
} while (!(ETH_ReadPHYRegister(BOARD_PHY_ADDRESS, PHY_BSR) & PHY_AutoNego_Complete) && (timeout < (uint32_t)PHY_READ_TO));
/* Reset Timeout counter */
timeout = 0;
/* Read the result of the auto-negotiation */
RegValue = ETH_ReadPHYRegister(BOARD_PHY_ADDRESS, PHY_SR);
/* 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 */
ETH_InitStructure.ETH_Mode = ETH_Mode_FullDuplex;
}
else
{
/* Set Ethernet duplex mode to Half-duplex following the auto-negotiation */
ETH_InitStructure.ETH_Mode = 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 */
ETH_InitStructure.ETH_Speed = ETH_Speed_10M;
}
else
{
/* Set Ethernet speed to 100M following the auto-negotiation */
ETH_InitStructure.ETH_Speed = ETH_Speed_100M;
}
/*------------------------ ETHERNET MACCR Re-Configuration --------------------*/
/* Get the ETHERNET MACCR value */
tmpreg = ETH->MACCR;
/* Set the FES bit according to ETH_Speed value */
/* Set the DM bit according to ETH_Mode value */
tmpreg |= (uint32_t)(ETH_InitStructure.ETH_Speed | ETH_InitStructure.ETH_Mode);
/* Write to ETHERNET MACCR */
ETH->MACCR = (uint32_t)tmpreg;
_eth_delay_(ETH_REG_WRITE_DELAY);
tmpreg = ETH->MACCR;
ETH->MACCR = tmpreg;
}
/* Restart MAC interface */
ETH_Start();
#ifdef USE_DHCP
ipaddr.addr = 0;
netmask.addr = 0;
gw.addr = 0;
DHCP_state = DHCP_START;
#else
IP4_ADDR(&ipaddr, IP_ADDR0, IP_ADDR1, IP_ADDR2, IP_lastOctet);
IP4_ADDR(&netmask, NETMASK_ADDR0, NETMASK_ADDR1 , NETMASK_ADDR2, NETMASK_ADDR3);
IP4_ADDR(&gw, GW_ADDR0, GW_ADDR1, GW_ADDR2, GW_ADDR3);
#endif /* USE_DHCP */
netif_set_addr(&gnetif, &ipaddr , &netmask, &gw);
/* When the netif is fully configured this function must be called.*/
netif_set_up(&gnetif);
}
else
{
ETH_Stop();
#ifdef USE_DHCP
DHCP_state = DHCP_LINK_DOWN;
dhcp_stop(netif);
#endif /* USE_DHCP */
/* When the netif link is down this function must be called.*/
netif_set_down(&gnetif);
}
}
/**
* In this function, the hardware should be initialized.
* Called from ethernetif_init().
*
* @param netif the already initialized lwip network interface structure
* for this ethernetif
*/
static void low_level_init(struct netif *netif)
{
#ifdef CHECKSUM_BY_HARDWARE
int i;
#endif
/* set MAC hardware address length */
netif->hwaddr_len = ETHARP_HWADDR_LEN;
/* set MAC hardware address */
#if defined(MAC_ADDR0) && defined(MAC_ADDR1) && defined(MAC_ADDR2) && defined(MAC_ADDR3) && defined(MAC_ADDR4) && defined(MAC_ADDR5)
netif->hwaddr[0] = MAC_ADDR0;
netif->hwaddr[1] = MAC_ADDR1;
netif->hwaddr[2] = MAC_ADDR2;
netif->hwaddr[3] = MAC_ADDR3;
netif->hwaddr[4] = MAC_ADDR4;
netif->hwaddr[5] = MAC_ADDR5;
#warning "User defined MAC is used for MAC address settings. Address is defined as in main.h file"
#endif
#if !defined(MAC_ADDR0) || !defined(MAC_ADDR1) || !defined(MAC_ADDR2) || !defined(MAC_ADDR3) || !defined(MAC_ADDR4) || !defined(MAC_ADDR5)
netif->hwaddr[0] = TM_ID_GetUnique8(0);
netif->hwaddr[1] = TM_ID_GetUnique8(1);
netif->hwaddr[2] = TM_ID_GetUnique8(2);
netif->hwaddr[3] = TM_ID_GetUnique8(3);
netif->hwaddr[4] = TM_ID_GetUnique8(4);
netif->hwaddr[5] = TM_ID_GetUnique8(5);
#warning "Custom MAC address not defined in main.h file. Using unique STM32F4 ID as MAC address"
#endif
/* define below may not be needed because we can set mac based on unique ID written in STM32F4 processor */
#ifdef CUSTOM_MAC
// TODO: add checking for correct mac set, if no custom mac is set use default mac set in main.h
TM_BKPSRAM_Init();
netif->hwaddr[0] = TM_BKPSRAM_Read8(1);
netif->hwaddr[1] = TM_BKPSRAM_Read8(2);
netif->hwaddr[2] = TM_BKPSRAM_Read8(3);
netif->hwaddr[3] = TM_ID_GetUnique32(0);
netif->hwaddr[4] = TM_ID_GetUnique32(1);
netif->hwaddr[5] = TM_ID_GetUnique32(2);
#endif
/* initialize MAC address in ethernet MAC */
ETH_MACAddressConfig(ETH_MAC_Address0, netif->hwaddr);
/* maximum transfer unit */
netif->mtu = 1500;
/* device capabilities */
/* don't set NETIF_FLAG_ETHARP if this device is not an ethernet one */
netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP;
/* Initialize Tx Descriptors list: Chain Mode */
ETH_DMATxDescChainInit(DMATxDscrTab, &Tx_Buff[0][0], ETH_TXBUFNB);
/* Initialize Rx Descriptors list: Chain Mode */
ETH_DMARxDescChainInit(DMARxDscrTab, &Rx_Buff[0][0], ETH_RXBUFNB);
#ifdef CHECKSUM_BY_HARDWARE
/* Enable the TCP, UDP and ICMP checksum insertion for the Tx frames */
for(i=0; i<ETH_TXBUFNB; i++)
{
ETH_DMATxDescChecksumInsertionConfig(&DMATxDscrTab[i], ETH_DMATxDesc_ChecksumTCPUDPICMPFull);
}
#endif
/* Note: TCP, UDP, ICMP checksum checking for received frame are enabled in DMA config */
/* Enable MAC and DMA transmission and reception */
ETH_Start();
}
/* initialize the interface */
static rt_err_t rt_stm32_eth_init(rt_device_t dev)
{
int i;
/* MAC address configuration */
ETH_MACAddressConfig(ETH_MAC_Address0, (u8*)&stm32_eth_device.dev_addr[0]);
/* Initialize Tx Descriptors list: Chain Mode */
ETH_DMATxDescChainInit(DMATxDscrTab, &Tx_Buff[0][0], ETH_TXBUFNB);
/* Initialize Rx Descriptors list: Chain Mode */
ETH_DMARxDescChainInit(DMARxDscrTab, &Rx_Buff[0][0], ETH_RXBUFNB);
/* Enable Ethernet Rx interrrupt */
{
for(i=0; i<ETH_RXBUFNB; i++)
{
ETH_DMARxDescReceiveITConfig(&DMARxDscrTab[i], ENABLE);
}
}
#ifdef CHECKSUM_BY_HARDWARE
/* Enable the checksum insertion for the Tx frames */
{
for(i=0; i<ETH_TXBUFNB; i++)
{
ETH_DMATxDescChecksumInsertionConfig(&DMATxDscrTab[i], ETH_DMATxDesc_ChecksumTCPUDPICMPFull);
}
}
#endif
{
uint16_t tmp, i=10000;
tmp = ETH_ReadPHYRegister(DP83848_PHY_ADDRESS, PHY_CR);
ETH_WritePHYRegister(DP83848_PHY_ADDRESS, PHY_CDCTRL1, BIST_CONT_MODE );
ETH_WritePHYRegister(DP83848_PHY_ADDRESS, PHY_CR, tmp | BIST_START );//BIST_START
while(i--);
//tmp = ETH_ReadPHYRegister(DP83848_PHY_ADDRESS, PHY_CR);
if( ETH_ReadPHYRegister(DP83848_PHY_ADDRESS, PHY_CR) & BIST_STATUS == BIST_STATUS )
{
rt_kprintf("BIST pass\n");
}
else
{
uint16_t ctrl;
ctrl = ETH_ReadPHYRegister(DP83848_PHY_ADDRESS, PHY_CDCTRL1);
rt_kprintf("BIST faild count =%d\n", BIST_ERROR_COUNT(ctrl) );
}
tmp &= ~BIST_START; //Stop BIST
ETH_WritePHYRegister(DP83848_PHY_ADDRESS, PHY_CR, tmp);
}
/* Enable MAC and DMA transmission and reception */
ETH_Start();
//rt_kprintf("DMASR = 0x%X\n", ETH->DMASR );
// rt_kprintf("ETH Init\n");
return RT_EOK;
}
