/**
* 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] = 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;
/* maximum transfer unit */
netif->mtu = netifMTU;
// device capabilities.
// don't set NETIF_FLAG_ETHARP if this device is not an ethernet one
netif->flags |= NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP;
/* Do whatever else is needed to initialize interface. */
if( s_xSemaphore == NULL ) {
vSemaphoreCreateBinary( s_xSemaphore );
xSemaphoreTake( s_xSemaphore, 0);
}
/* Initialise the MAC. */
ENET_InitClocksGPIO();
ENET_Init(PHY_AUTO_NEGOTIATION);
ENET_Start();
portENTER_CRITICAL();
{
/*set MAC physical*/
ENET_MAC->MAH = (MAC_ADDR5<<8) + MAC_ADDR4;
ENET_MAC->MAL = (MAC_ADDR3<<24) + (MAC_ADDR2<<16) + (MAC_ADDR1<<8) + MAC_ADDR0;
VIC_Config( ENET_ITLine, VIC_IRQ, 1 );
VIC_ITCmd( ENET_ITLine, ENABLE );
ENET_DMA->ISR = DMI_RX_CURRENT_DONE;
ENET_DMA->IER = DMI_RX_CURRENT_DONE;
}
portEXIT_CRITICAL();
netif->flags |= NETIF_FLAG_LINK_UP;
/* Create the task that handles the EMAC. */
xTaskCreate( ethernetif_input, "ETH_INT", netifINTERFACE_TASK_STACK_SIZE, (void *)netif, netifINTERFACE_TASK_PRIORITY, NULL );
}
static void low_level_init(struct netif *netif)
{
/* set MAC hardware address length */
netif->hwaddr_len = 6;
/* 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;
/* maximum transfer unit */
netif->mtu = netifMTU;
/* broadcast capability */
netif->flags = NETIF_FLAG_BROADCAST;
s_pxNetIf = netif;
if( s_xSemaphore == NULL )
{
vSemaphoreCreateBinary( s_xSemaphore );
xSemaphoreTake( s_xSemaphore, 0);
}
/* Do whatever else is needed to initialize interface. */
/* Initialise the MAC. */
ENET_InitClocksGPIO();
ENET_Init();
ENET_Start();
portENTER_CRITICAL();
{
/*set MAC physical*/
ENET_MAC->MAH = (MAC_ADDR5<<8) + MAC_ADDR4;
ENET_MAC->MAL = (MAC_ADDR3<<24) + (MAC_ADDR2<<16) + (MAC_ADDR1<<8) + MAC_ADDR0;
VIC_Config( ENET_ITLine, VIC_IRQ, 1 );
VIC_ITCmd( ENET_ITLine, ENABLE );
ENET_DMA->ISR = DMI_RX_CURRENT_DONE;
ENET_DMA->IER = DMI_RX_CURRENT_DONE;
}
portEXIT_CRITICAL();
/* Create the task that handles the EMAC. */
xTaskCreate( ethernetif_input, ( signed char * ) "ETH_INT", netifINTERFACE_TASK_STACK_SIZE, NULL, netifINTERFACE_TASK_PRIORITY, NULL );
}
void vuIP_Task( void *pvParameters )
{
portBASE_TYPE i;
uip_ipaddr_t xIPAddr;
struct timer periodic_timer, arp_timer;
/* Create the semaphore used by the ISR to wake this task. */
vSemaphoreCreateBinary( xSemaphore );
/* Initialise the uIP stack. */
timer_set( &periodic_timer, configTICK_RATE_HZ / 2 );
timer_set( &arp_timer, configTICK_RATE_HZ * 10 );
uip_init();
uip_ipaddr( xIPAddr, uipIP_ADDR0, uipIP_ADDR1, uipIP_ADDR2, uipIP_ADDR3 );
uip_sethostaddr( xIPAddr );
uip_ipaddr( xIPAddr, uipNET_MASK0, uipNET_MASK1, uipNET_MASK2, uipNET_MASK3 );
uip_setnetmask( xIPAddr );
uip_ipaddr( xIPAddr, uipGATEWAY_ADDR0, uipGATEWAY_ADDR1, uipGATEWAY_ADDR2, uipGATEWAY_ADDR3 );
uip_setdraddr( xIPAddr );
httpd_init();
/* Initialise the MAC. */
ENET_InitClocksGPIO();
ENET_Init();
portENTER_CRITICAL();
{
ENET_Start();
prvSetMACAddress();
VIC_Config( ENET_ITLine, VIC_IRQ, 1 );
VIC_ITCmd( ENET_ITLine, ENABLE );
ENET_DMA->ISR = uipDMI_RX_CURRENT_DONE;
ENET_DMA->IER = uipDMI_RX_CURRENT_DONE;
}
portEXIT_CRITICAL();
while(1)
{
/* Is there received data ready to be processed? */
uip_len = ENET_HandleRxPkt( uip_buf );
if( uip_len > 0 )
{
/* Standard uIP loop taken from the uIP manual. */
if( xHeader->type == htons( UIP_ETHTYPE_IP ) )
{
uip_arp_ipin();
uip_input();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if( uip_len > 0 )
{
uip_arp_out();
prvENET_Send();
}
}
else if( xHeader->type == htons( UIP_ETHTYPE_ARP ) )
{
uip_arp_arpin();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if( uip_len > 0 )
{
prvENET_Send();
}
}
}
else
{
if( timer_expired( &periodic_timer ) )
{
timer_reset( &periodic_timer );
for( i = 0; i < UIP_CONNS; i++ )
{
uip_periodic( i );
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if( uip_len > 0 )
{
uip_arp_out();
prvENET_Send();
}
}
/* Call the ARP timer function every 10 seconds. */
if( timer_expired( &arp_timer ) )
{
timer_reset( &arp_timer );
uip_arp_timer();
}
}
else
{
/* We did not receive a packet, and there was no periodic
processing to perform. Block for a fixed period. If a packet
is received during this period we will be woken by the ISR
giving us the Semaphore. */
xSemaphoreTake( xSemaphore, configTICK_RATE_HZ / 2 );
}
}
}
}
