static void
low_level_init(struct netif *netif)
{
// struct ethernetif *ethernetif = netif->state;
unsigned portBASE_TYPE uxPriority;
/* maximum transfer unit */
netif->mtu = netifMTU;
/* broadcast capability */
netif->flags = NETIF_FLAG_BROADCAST;
/* Do whatever else is needed to initialize interface. */
xNetIf = netif;
/* Initialise the MACB. This routine contains code that polls status bits.
If the Ethernet cable is not plugged in then this can take a considerable
time. To prevent this starving lower priority tasks of processing time we
lower our priority prior to the call, then raise it back again once the
initialisation is complete. */
uxPriority = uxTaskPriorityGet( NULL );
vTaskPrioritySet( NULL, tskIDLE_PRIORITY );
while( xMACBInit(&AVR32_MACB) == FALSE )
{
__asm__ __volatile__ ( "nop" );
}
vTaskPrioritySet( NULL, uxPriority );
/* Create the task that handles the MACB. */
// xTaskCreate( ethernetif_input, ( signed portCHAR * ) "ETH_INT", netifINTERFACE_TASK_STACK_SIZE, NULL, netifINTERFACE_TASK_PRIORITY, NULL );
sys_thread_new( ethernetif_input, NULL, netifINTERFACE_TASK_PRIORITY );
}
/**
* 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 FREERTOS_USED
unsigned portBASE_TYPE uxPriority;
#endif
/* set MAC hardware address length */
netif->hwaddr_len = ETHARP_HWADDR_LEN;
/* set MAC hardware address */
netif->hwaddr[0] = cMACAddress[0];
netif->hwaddr[1] = cMACAddress[1];
netif->hwaddr[2] = cMACAddress[2];
netif->hwaddr[3] = cMACAddress[3];
netif->hwaddr[4] = cMACAddress[4];
netif->hwaddr[5] = cMACAddress[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
#if defined(DHCP_USED)
| NETIF_FLAG_DHCP
#endif
;
/* Do whatever else is needed to initialize interface. */
/* Initialise the MACB. */
#ifdef FREERTOS_USED
// NOTE: This routine contains code that polls status bits. If the Ethernet
// cable is not plugged in then this can take a considerable time. To prevent
// this from starving lower priority tasks of processing time we lower our
// priority prior to the call, then raise it back again once the initialization
// is complete.
// Read the priority of the current task.
uxPriority = uxTaskPriorityGet( NULL );
// Set the priority of the current task to the lowest possible.
vTaskPrioritySet( NULL, tskIDLE_PRIORITY );
#endif
// Init the MACB interface.
while( xMACBInit(&AVR32_MACB) == false )
{
__asm__ __volatile__ ( "nop" );
}
#ifdef FREERTOS_USED
// Restore the priority of the current task.
vTaskPrioritySet( NULL, uxPriority );
/* Create the task that handles the MACB input packets. */
sys_thread_new( "ETHINT", ethernetif_input, netif, netifINTERFACE_TASK_STACK_SIZE,
netifINTERFACE_TASK_PRIORITY );
#endif
}
