/** * 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) { portBASE_TYPE result; // struct ethernetif *ethernetif = netif->state; /* set MAC hardware address length */ netif->hwaddr_len = ETHARP_HWADDR_LEN; /* set MAC hardware address */ netif->hwaddr[5] = MYMAC_1; netif->hwaddr[4] = MYMAC_2; netif->hwaddr[3] = MYMAC_3; netif->hwaddr[2] = MYMAC_4; netif->hwaddr[1] = MYMAC_5; netif->hwaddr[0] = MYMAC_6; /* maximum transfer unit */ netif->mtu = ETH_MTU; /* 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; /* Do whatever else is needed to initialize interface. */ semEthTx = xSemaphoreCreateCounting((unsigned portBASE_TYPE) NUM_TX_FRAG,(unsigned portBASE_TYPE) NUM_TX_FRAG); semEthRx = xSemaphoreCreateCounting((unsigned portBASE_TYPE) NUM_RX_FRAG,(unsigned portBASE_TYPE) 0); if(semEthTx == NULL) { LWIP_DEBUGF(NETIF_DEBUG,("Semaphore for ETH transmit created failed !\n\r")); }; if(semEthRx == NULL) { LWIP_DEBUGF(NETIF_DEBUG,("Semaphore for ETH recive created failed !\n\r")); }; result = xTaskCreate( ethernetif_input, ( signed portCHAR * ) "EhtTsk", sizeEthif, (void *)netif, prioEthif, &xETHTsk ); if(result != pdPASS) { LWIP_DEBUGF(NETIF_DEBUG,("Task for ETH recive created failed !\n\r ")); }; Init_EMAC(); }
int main(void) { BTNDIS_P(); Init_EMIF(); Init_LEDS(); Init_TIMER(); Init_FPGA(); Init_UART(); Init_TWI(100000); mbootBanner(); Init_RTC(); Init_Media(); Init_SHA204(); Init_EMAC(); SYS_UNRESET(); mboot(); while(1); // return 0; }
void vuIP_Task( void *pvParameters ) { portBASE_TYPE i; uip_ipaddr_t xIPAddr; struct timer periodic_timer, arp_timer; extern void ( vEMAC_ISR_Wrapper )( void ); /* Create the semaphore used by the ISR to wake this task. */ vSemaphoreCreateBinary( xEMACSemaphore ); /* 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 ); httpd_init(); /* Initialise the MAC. */ while( Init_EMAC() != pdPASS ) { vTaskDelay( uipINIT_WAIT ); } portENTER_CRITICAL(); { MAC_INTENABLE = INT_RX_DONE; VICIntEnable |= 0x00200000; VICVectAddr21 = ( portLONG ) vEMAC_ISR_Wrapper; prvSetMACAddress(); } portEXIT_CRITICAL(); for( ;; ) { /* Is there received data ready to be processed? */ uip_len = uiGetEMACRxData( 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( xEMACSemaphore, configTICK_RATE_HZ / 2 ); } } } }
virtual bool init() { Init_EMAC(); return true; }