/*************************************************************************
* Function Name: eth_macdma_it_config
* Parameters:
* Return:
*
* Description: configuration of MAC/DMA Controller
*
*************************************************************************/
static int eth_macdma_it_config(void){
//
int i=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/Tx interrrupt */
{
for(i=0; i<ETH_RXBUFNB; i++)
{
ETH_DMARxDescReceiveITConfig(&DMARxDscrTab[i], ENABLE);
}
for(i=0; i<ETH_TXBUFNB; i++)
{
ETH_DMATxDescTransmitITConfig(&DMATxDscrTab[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
//
eth_nvic_configuration();
/* Enable the Ethernet Rx Interrupt */
ETH_DMAITConfig(ETH_DMA_IT_NIS | ETH_DMA_IT_R | ETH_DMA_IT_T, ENABLE);
return 0;
}
/* Initialize the hardware */
void low_level_MAC_init(void)
{
uint32_t i;
uint8_t macaddr[NETIF_MAX_HWADDR_LEN];
/* set MAC hardware address */
macaddr[0] = MAC_ADDR0;
macaddr[1] = MAC_ADDR1;
macaddr[2] = MAC_ADDR2;
macaddr[3] = MAC_ADDR3;
macaddr[4] = MAC_ADDR4;
macaddr[5] = MAC_ADDR5;
/* initialize MAC address in ethernet MAC */
ETH_MACAddressConfig(ETH_MAC_Address0, macaddr);
/* 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
}
/**
* 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();
}
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)
{
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();
}
bool MacBase::initialise(const Parameters& params) {
ETH_DMADESCTypeDef *txdesc;
int i;
// save parameters
_params=params;
// subscribe to send and notify events
this->NetworkSendEventSender.insertSubscriber(NetworkSendEventSourceSlot::bind(this,&MacBase::onSend));
// set our MAC address
ETH_MACAddressConfig(ETH_MAC_Address0,const_cast<uint8_t *>(params.mac_address.macAddress));
// initialise the receive descriptor chain
_receiveDmaDescriptors.reset(new ETH_DMADESCTypeDef[params.mac_receiveBufferCount]);
_receiveBuffers.reset(new uint8_t[params.mac_receiveBufferCount][ETH_MAX_PACKET_SIZE]);
ETH_DMARxDescChainInit(&_receiveDmaDescriptors[0],&_receiveBuffers[0][0],params.mac_receiveBufferCount);
// enable interrupts on all the receive buffers
for(i=0;i<params.mac_receiveBufferCount;i++)
ETH_DMARxDescReceiveITConfig(&_receiveDmaDescriptors[i],ENABLE);
// initialise the transmit descriptor ring
_transmitDmaDescriptors.reset(new ETH_DMADESCTypeDef[params.mac_transmitBufferCount]);
_transmitNetBuffers.reset(new NetBuffer *[params.mac_transmitBufferCount]);
txdesc=_transmitDmaDescriptors.get();
// initialise the transmit ring buffer. the DMA descriptors are in contiguous memory blocks
// and we make full use of the ability to transmit up to 2 blocks per descriptor
for(i=0;i<params.mac_transmitBufferCount;i++) {
txdesc->Status=ETH_DMATxDesc_IC; // interrupt on complete
txdesc->Buffer1Addr=0; // not yet, nothing to send
txdesc->Buffer2NextDescAddr=0; // not yet, nothing to send
if(i==params.mac_transmitBufferCount-1)
txdesc->Status|=ETH_DMATxDesc_TER; // end of ring
// clear out the NetBuffer pointer associated with this entry
_transmitNetBuffers[i]=nullptr;
// advance to next buffer
txdesc++;
}
// set the base table address
ETH->DMATDLAR=reinterpret_cast<uint32_t>(_transmitDmaDescriptors.get());
// this is the next one to consider sending
_transmitBufferIndex=0;
return true;
}
/* 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;
}
