void xtcpd_check_connection_poll(chanend mac_tx) { for (int i = 0; i < UIP_CONNS; i++) { if (uip_conn_needs_poll(&uip_conns[i])) { uip_poll_conn(&uip_conns[i]); #if UIP_CONF_IPV6 xtcpip_ipv6_output(mac_tx); #else /* UIP_CONF_IPV6 */ if (uip_len > 0) { uip_arp_out( NULL); xtcp_tx_buffer(mac_tx); } #endif /* UIP_CONF_IPV6 */ } } for (int i = 0; i < UIP_UDP_CONNS; i++) { if (uip_udp_conn_needs_poll(&uip_udp_conns[i])) { uip_udp_periodic(i); #if UIP_CONF_IPV6 xtcpip_ipv6_output(mac_tx); #else if (uip_len > 0) { uip_arp_out(&uip_udp_conns[i]); xtcp_tx_buffer(mac_tx); } #endif } } }
void SerialIPStack::tick() { uip_len = slipdev_poll(); if(uip_len > 0) { 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) slipdev_send(); } else if (timer_expired(&periodic_timer)) { timer_reset(&periodic_timer); for (int 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) slipdev_send(); } #if UIP_UDP for (int i = 0; i < UIP_UDP_CONNS; i++) { uip_udp_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) slipdev_send(); } #endif /* UIP_UDP */ } }
void Network::on_idle(void *argument) { if (!ethernet->isUp()) return; int len= sizeof(uip_buf); // set maximum size if (ethernet->_receive_frame(uip_buf, &len)) { uip_len = len; this->handlePacket(); } else { if (timer_expired(&periodic_timer)) { /* no packet but periodic_timer time out (0.1s)*/ timer_reset(&periodic_timer); for (int 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(); tapdev_send(uip_buf, uip_len); } } #if UIP_CONF_UDP for (int i = 0; i < UIP_UDP_CONNS; i++) { uip_udp_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(); tapdev_send(uip_buf, uip_len); } } #endif } /* This didn't work actually made it worse,it should have worked though else{ // TODO if the command queue is below a certain amount we should poll any stopped connections if(command_q->size() < 4) { for (struct uip_conn *connr = &uip_conns[0]; connr <= &uip_conns[UIP_CONNS - 1]; ++connr) { if(uip_stopped(connr)){ // Force a poll of this printf("Force poll of connection\n"); uip_poll_conn(connr); } } } } */ /* Call the ARP timer function every 10 seconds. */ if (timer_expired(&arp_timer)) { timer_reset(&arp_timer); uip_arp_timer(); } } }
void tcpip_periodic_timer() { int i; MT_TimerExpired(); 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(); mt76xx_dev_send(); } } #if UIP_UDP for(i = 0; i < UIP_UDP_CONNS; i++) { uip_udp_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(); mt76xx_dev_send(); } } #endif /* UIP_UDP */ /* Call the ARP timer function every 10 seconds. */ if(timer_expired(&arp_timer)) { timer_reset(&arp_timer); uip_arp_timer(); } } #if 0 if(timer_expired(&cli_timer)) { clk = (clk > (CLOCK_SECOND*60))?clk:(clk*2); timer_set(&cli_timer, clk); if ((cli_fd == -1) && memcmp(uip_hostaddr, 0x00000000, sizeof(uip_hostaddr))) { struct uip_conn *conn = NULL; uip_ipaddr_t srv_ip; uip_ipaddr(srv_ip, IoTpAd.ComCfg.IoT_ServeIP[0], IoTpAd.ComCfg.IoT_ServeIP[1], IoTpAd.ComCfg.IoT_ServeIP[2], IoTpAd.ComCfg.IoT_ServeIP[3]); conn = uip_connect(&srv_ip, HTONS(IoTpAd.ComCfg.IoT_TCP_Srv_Port)); if(conn) { conn->lport = HTONS(7682); cli_fd = conn->fd; } else { printf("connect fail\n"); } } } #endif }
void deal(){ int i; if(uip_len > 0) { if(BUF_IF->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(); current_dev->eth_tx(current_dev, uip_buf, uip_len); } } else if(BUF_IF->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) { current_dev->eth_tx(current_dev, uip_buf, uip_len); } } } 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(); current_dev->eth_tx(current_dev, uip_buf, uip_len); } } #if UIP_UDP for(i = 0; i < UIP_UDP_CONNS; i++) { uip_udp_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(); current_dev->eth_tx(current_dev, uip_buf, uip_len); } } #endif /* UIP_UDP */ /* Call the ARP timer function every 10 seconds. */ if(timer_expired(&arp_timer)) { timer_reset(&arp_timer); uip_arp_timer(); } } //rt_exit_critical(); return 0; }
void NanodeUIP::poll(void) { int i; uip_len = enc28j60PacketReceive(UIP_BUFSIZE,uip_buf); if(uip_len > 0) { if(BUF->type == UIP_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(); enc28j60PacketSend(uip_len,uip_buf); } } else if(BUF->type == UIP_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) { enc28j60PacketSend(uip_len,uip_buf); } } } 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(); enc28j60PacketSend(uip_len,uip_buf); } } #if UIP_UDP for(i = 0; i < UIP_UDP_CONNS; i++) { uip_udp_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(); enc28j60PacketSend(uip_len,uip_buf); } } #endif /* UIP_UDP */ /* Call the ARP timer function every 10 seconds. */ if(timer_expired(&arp_timer)) { timer_reset(&arp_timer); uip_arp_timer(); } } }
/** * @brief Process Network * @param None * @retval None */ void Network_Process(void) { static uint8_t arp_counter = 0; int i; for (i = 0; i < UIP_CONNS; i++) { uip_periodic(i); if (uip_len > 0) { uip_arp_out(); enc28j60_send_packet((uint8_t *)uip_buf, uip_len); } } #if UIP_UDP for (i = 0; i < UIP_UDP_CONNS; i++) { uip_udp_periodic(i); if (uip_len > 0) { uip_arp_out(); network_send(); } } #endif /* UIP_UDP */ if (++arp_counter >= 50) { arp_counter = 0; uip_arp_timer(); } uip_len = enc28j60_recv_packet((uint8_t *)uip_buf, UIP_BUFSIZE); if (uip_len > 0) { if (((struct uip_eth_hdr *)&uip_buf[0])->type == htons(UIP_ETHTYPE_IP)) { uip_arp_ipin(); uip_input(); if (uip_len > 0) { uip_arp_out(); enc28j60_send_packet((uint8_t *)uip_buf, uip_len); } } else if (((struct uip_eth_hdr *)&uip_buf[0])->type == htons(UIP_ETHTYPE_ARP)) { uip_arp_arpin(); if (uip_len > 0) { enc28j60_send_packet((uint8_t *)uip_buf, uip_len); } } } }
void uip_timeout_entry(void* parameter)//由于TIMEOUT函数,不参与调度 { // struct timer periodic_timer, arp_timer; static uint8_t cnt; int i; /* post message to ethernet thread */ //if ((rt_sem_take(msg,RT_WAITING_NO)) != -RT_ETIMEOUT) //if (timer_expired(&periodic_timer)) //5s enter once { //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(); TransmitPacket(); } } #if UIP_UDP for (i = 0; i < UIP_UDP_CONNS; i++) // { uip_udp_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(); TransmitPacket(); } } #endif /* UIP_UDP */ /* Call the ARP timer function every 10 seconds. */ //if (timer_expired(&arp_timer)) if (++cnt >= 2) //t { //timer_reset(&arp_timer); uip_arp_timer(); cnt = 0; } } }
void xtcpd_check_connection_poll(chanend mac_tx) { for (int i = 0; i < UIP_CONNS; i++) { if (uip_conn_needs_poll(&uip_conns[i])) { uip_poll_conn(&uip_conns[i]); if (uip_len > 0) { uip_arp_out( NULL); xtcp_tx_buffer(mac_tx); } } } for (int i = 0; i < UIP_UDP_CONNS; i++) { if (uip_udp_conn_needs_poll(&uip_udp_conns[i])) { uip_udp_periodic(i); if (uip_len > 0) { uip_arp_out(&uip_udp_conns[i]); xtcp_tx_buffer(mac_tx); } } } }
/*-----------------------------------------------------------------------------------*/ static void timer(void) { for(i = 0; i < UIP_CONNS; ++i) { uip_periodic(i); if(uip_len > 0) { uip_arp_out(); rtl8019as_send(); } } for(i = 0; i < UIP_UDP_CONNS; i++) { uip_udp_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(); rtl8019as_send(); } } }
void uip_tcpip_thread(void *parameter) { int i; static u8_t cnt; while(1) { rt_thread_delay(CLOCK_SECOND*5); 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(); TransmitPacket(); } } #if UIP_UDP for (i = 0; i < UIP_UDP_CONNS; i++) { uip_udp_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(); TransmitPacket(); } } #endif /* UIP_UDP */ /* Call the ARP timer function every 10 seconds. */ if (++cnt > 2) uip_arp_timer(); } }
void Ethernet_Task(void) { int i; ethernet_process(); if(timer_expired(&periodic_timer)) { timer_reset(&periodic_timer); for(i = 0; i < UIP_CONNS; i++) { uip_periodic(i); if(uip_len > 0) { uip_arp_out(); network_send(); } } for(i = 0; i < UIP_UDP_CONNS; i++) { uip_udp_periodic(i); if(uip_len > 0) { uip_arp_out(); network_send(); } } interface_periodic(); } if(timer_expired(&arp_timer)) { timer_reset(&arp_timer); uip_arp_timer(); } }
void xtcp_process_periodic_timer(chanend mac_tx) { #if UIP_IGMP igmp_periodic(); if(uip_len > 0) { xtcp_tx_buffer(mac_tx); } #endif for (int i = 0; i < UIP_UDP_CONNS; i++) { uip_udp_periodic(i); if (uip_len > 0) { uip_arp_out(&uip_udp_conns[i]); xtcp_tx_buffer(mac_tx); } } for (int i = 0; i < UIP_CONNS; i++) { uip_periodic(i); if (uip_len > 0) { uip_arp_out( NULL); xtcp_tx_buffer(mac_tx); } } }
///////////////////////////////////////////////////////////////////////////// // The uIP Task is executed each mS ///////////////////////////////////////////////////////////////////////////// static void UIP_TASK_Handler(void *pvParameters) { int i; struct timer periodic_timer, arp_timer; // Initialise the xLastExecutionTime variable on task entry portTickType xLastExecutionTime = xTaskGetTickCount(); // take over exclusive access to UIP functions MUTEX_UIP_TAKE; // init uIP timers timer_set(&periodic_timer, CLOCK_SECOND / 2); timer_set(&arp_timer, CLOCK_SECOND * 10); // init the network driver network_device_init(); // init uIP uip_init(); uip_arp_init(); // set my ethernet address unsigned char *mac_addr = network_device_mac_addr(); { int i; for(i=0; i<6; ++i) uip_ethaddr.addr[i] = mac_addr[i]; } #ifndef DONT_USE_DHCP dhcpc_init(uip_ethaddr.addr, sizeof(uip_ethaddr.addr)); MIOS32_MIDI_SendDebugMessage("[UIP_TASK] DHCP Client requests the IP settings...\n"); #else uip_ipaddr_t ipaddr; // set my IP address uip_ipaddr(ipaddr, ((MY_IP_ADDRESS)>>24) & 0xff, ((MY_IP_ADDRESS)>>16) & 0xff, ((MY_IP_ADDRESS)>> 8) & 0xff, ((MY_IP_ADDRESS)>> 0) & 0xff); uip_sethostaddr(ipaddr); // set my netmask uip_ipaddr(ipaddr, ((MY_NETMASK)>>24) & 0xff, ((MY_NETMASK)>>16) & 0xff, ((MY_NETMASK)>> 8) & 0xff, ((MY_NETMASK)>> 0) & 0xff); uip_setnetmask(ipaddr); // default router uip_ipaddr(ipaddr, ((MY_GATEWAY)>>24) & 0xff, ((MY_GATEWAY)>>16) & 0xff, ((MY_GATEWAY)>> 8) & 0xff, ((MY_GATEWAY)>> 0) & 0xff); uip_setdraddr(ipaddr); MIOS32_MIDI_SendDebugMessage("[UIP_TASK] IP Address statically set:\n"); // start services immediately UIP_TASK_StartServices(); #endif // release exclusive access to UIP functions MUTEX_UIP_GIVE; // endless loop while( 1 ) { vTaskDelayUntil(&xLastExecutionTime, 1 / portTICK_RATE_MS); // take over exclusive access to UIP functions MUTEX_UIP_TAKE; if( !(clock_time_tick() % 100) ) { // each 100 mS: check availablility of network device network_device_check(); } if( network_device_available() ) { uip_len = network_device_read(); if( uip_len > 0 ) { if(BUF->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(); network_device_send(); } } else if(BUF->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) { network_device_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(); network_device_send(); } } #if UIP_UDP for(i = 0; i < UIP_UDP_CONNS; i++) { uip_udp_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(); network_device_send(); } } #endif /* UIP_UDP */ /* Call the ARP timer function every 10 seconds. */ if(timer_expired(&arp_timer)) { timer_reset(&arp_timer); uip_arp_timer(); } } } // release exclusive access to UIP functions MUTEX_UIP_GIVE; } }
// This gets called on both Ethernet RX interrupts and timer requests, // but it's called only from the Ethernet interrupt handler void elua_uip_mainloop() { u32 temp, packet_len; // Increment uIP timers temp = platform_eth_get_elapsed_time(); periodic_timer += temp; arp_timer += temp; // Check for an RX packet and read it if( ( packet_len = platform_eth_get_packet_nb( uip_buf, sizeof( uip_buf ) ) ) > 0 ) { // Set uip_len for uIP stack usage. uip_len = ( unsigned short )packet_len; // Process incoming IP packets here. if( BUF->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(); device_driver_send(); } } // Process incoming ARP packets here. else if( BUF->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 ) device_driver_send(); } } // Process TCP/IP Periodic Timer here. // Also process the "force interrupt" events (platform_eth_force_interrupt) if( periodic_timer >= UIP_PERIODIC_TIMER_MS ) { periodic_timer = 0; uip_set_forced_poll( 0 ); } else uip_set_forced_poll( 1 ); for( temp = 0; temp < UIP_CONNS; temp ++ ) { uip_periodic( temp ); // 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(); device_driver_send(); } } #if UIP_UDP for( temp = 0; temp < UIP_UDP_CONNS; temp ++ ) { uip_udp_periodic( temp ); // 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(); device_driver_send(); } } #endif // UIP_UDP // Process ARP Timer here. if( arp_timer >= UIP_ARP_TIMER_MS ) { arp_timer = 0; uip_arp_timer(); } }
void main(void) { static struct uip_eth_addr eth_addr; uip_ipaddr_t ipaddr; cpu_init(); uart_init(); printf("Welcome\n"); spi_init(); enc28j60_comm_init(); printf("Welcome\n"); enc_init(mac_addr); // // Configure SysTick for a periodic interrupt. // MAP_SysTickPeriodSet(MAP_SysCtlClockGet() / SYSTICKHZ); MAP_SysTickEnable(); MAP_SysTickIntEnable(); //MAP_IntEnable(INT_GPIOA); MAP_IntEnable(INT_GPIOE); MAP_IntMasterEnable(); MAP_SysCtlPeripheralClockGating(false); printf("int enabled\n"); MAP_GPIOIntTypeSet(GPIO_PORTE_BASE, ENC_INT, GPIO_FALLING_EDGE); MAP_GPIOPinIntClear(GPIO_PORTE_BASE, ENC_INT); MAP_GPIOPinIntEnable(GPIO_PORTE_BASE, ENC_INT); uip_init(); eth_addr.addr[0] = mac_addr[0]; eth_addr.addr[1] = mac_addr[1]; eth_addr.addr[2] = mac_addr[2]; eth_addr.addr[3] = mac_addr[3]; eth_addr.addr[4] = mac_addr[4]; eth_addr.addr[5] = mac_addr[5]; uip_setethaddr(eth_addr); #define DEFAULT_IPADDR0 10 #define DEFAULT_IPADDR1 0 #define DEFAULT_IPADDR2 0 #define DEFAULT_IPADDR3 201 #define DEFAULT_NETMASK0 255 #define DEFAULT_NETMASK1 255 #define DEFAULT_NETMASK2 255 #define DEFAULT_NETMASK3 0 #undef STATIC_IP #ifdef STATIC_IP uip_ipaddr(ipaddr, DEFAULT_IPADDR0, DEFAULT_IPADDR1, DEFAULT_IPADDR2, DEFAULT_IPADDR3); uip_sethostaddr(ipaddr); printf("IP: %d.%d.%d.%d\n", DEFAULT_IPADDR0, DEFAULT_IPADDR1, DEFAULT_IPADDR2, DEFAULT_IPADDR3); uip_ipaddr(ipaddr, DEFAULT_NETMASK0, DEFAULT_NETMASK1, DEFAULT_NETMASK2, DEFAULT_NETMASK3); uip_setnetmask(ipaddr); #else uip_ipaddr(ipaddr, 0, 0, 0, 0); uip_sethostaddr(ipaddr); printf("Waiting for IP address...\n"); uip_ipaddr(ipaddr, 0, 0, 0, 0); uip_setnetmask(ipaddr); #endif httpd_init(); #ifndef STATIC_IP dhcpc_init(mac_addr, 6); dhcpc_request(); #endif long lPeriodicTimer, lARPTimer; lPeriodicTimer = lARPTimer = 0; int i; // = MAP_GPIOPinRead(GPIO_PORTA_BASE, ENC_INT) & ENC_INT; while(true) { //MAP_IntDisable(INT_UART0); MAP_SysCtlSleep(); //MAP_IntEnable(INT_UART0); //i = MAP_GPIOPinRead(GPIO_PORTA_BASE, ENC_INT) & ENC_INT; /*while(i != 0 && g_ulFlags == 0) { i = MAP_GPIOPinRead(GPIO_PORTA_BASE, ENC_INT) & ENC_INT; }*/ if( HWREGBITW(&g_ulFlags, FLAG_ENC_INT) == 1 ) { HWREGBITW(&g_ulFlags, FLAG_ENC_INT) = 0; enc_action(); } if(HWREGBITW(&g_ulFlags, FLAG_SYSTICK) == 1) { HWREGBITW(&g_ulFlags, FLAG_SYSTICK) = 0; lPeriodicTimer += SYSTICKMS; lARPTimer += SYSTICKMS; //printf("%d %d\n", lPeriodicTimer, lARPTimer); } if( lPeriodicTimer > UIP_PERIODIC_TIMER_MS ) { lPeriodicTimer = 0; int l; for(l = 0; l < UIP_CONNS; l++) { uip_periodic(l); // // 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(); enc_send_packet(uip_buf, uip_len); uip_len = 0; } } for(l = 0; l < UIP_UDP_CONNS; l++) { uip_udp_periodic(l); if( uip_len > 0) { uip_arp_out(); enc_send_packet(uip_buf, uip_len); uip_len = 0; } } } if( lARPTimer > UIP_ARP_TIMER_MS) { lARPTimer = 0; uip_arp_timer(); } } }
int main(void) { network_init(); //CLKPR = (1<<CLKPCE); //Change prescaler //CLKPR = (1<<CLKPS0); //Use prescaler 2 //clock_prescale_set(clock_div_2); enc28j60Write(ECOCON, 1 & 0x7); //Get a 25MHz signal from enc28j60 uartInit(); uartSetBaudRate(9600); rprintfInit(uartSendByte); int i; uip_ipaddr_t ipaddr; struct timer periodic_timer, arp_timer; clock_init(); timer_set(&periodic_timer, CLOCK_SECOND / 2); timer_set(&arp_timer, CLOCK_SECOND * 10); uip_init(); struct uip_eth_addr mac = {UIP_ETHADDR0, UIP_ETHADDR1, UIP_ETHADDR2, UIP_ETHADDR3, UIP_ETHADDR4, UIP_ETHADDR5}; uip_setethaddr(mac); // set up the udp data stream // configure the target system ip and port uip_ipaddr_t target_ipaddr; uip_ipaddr(&target_ipaddr, 192,168,0,10); udpds_conf(&target_ipaddr, 1000, 1); #ifdef __DHCPC_H__ dhcpc_init(&mac, 6); #else uip_ipaddr(ipaddr, 192,168,0,1); uip_sethostaddr(ipaddr); uip_ipaddr(ipaddr, 192,168,0,1); uip_setdraddr(ipaddr); uip_ipaddr(ipaddr, 255,255,255,0); uip_setnetmask(ipaddr); #endif /*__DHCPC_H__*/ while(1){ uip_len = network_read(); if(uip_len > 0) { if(BUF->type == htons(UIP_ETHTYPE_IP)){ uip_arp_ipin(); uip_input(); if(uip_len > 0) { uip_arp_out(); network_send(); } }else if(BUF->type == htons(UIP_ETHTYPE_ARP)){ uip_arp_arpin(); if(uip_len > 0){ network_send(); } } }else if(timer_expired(&periodic_timer)) { timer_reset(&periodic_timer); for(i = 0; i < UIP_CONNS; i++) { uip_periodic(i); if(uip_len > 0) { uip_arp_out(); network_send(); } } #if UIP_UDP for(i = 0; i < UIP_UDP_CONNS; i++) { uip_udp_periodic(i); if(uip_len > 0) { uip_arp_out(); network_send(); } } #endif /* UIP_UDP */ if(timer_expired(&arp_timer)) { timer_reset(&arp_timer); uip_arp_timer(); } } } return 0; }
int main(void) { network_init(); // network.c // enc28j60Init(); // enc28j60PhyWrite(PHLCON,0x476); //CLKPR = (1<<CLKPCE); //Change prescaler //CLKPR = (1<<CLKPS0); //Use prescaler 2 //clock_prescale_set(clock_div_2); enc28j60Write(ECOCON, 1 & 0x7); // enc28j60.c //Get a 25MHz signal from enc28j60 #ifdef MY_DEBUG uartInit(); uartSetBaudRate(9600); rprintfInit(uartSendByte); #endif int i; uip_ipaddr_t ipaddr; // uip.h // typedef u16_t uip_ip4addr_t[2]; // typedef uip_ip4addr_t uip_ipaddr_t; struct timer periodic_timer, arp_timer; clock_init(); timer_set(&periodic_timer, CLOCK_SECOND / 2); timer_set(&arp_timer, CLOCK_SECOND * 10); uip_init(); // uip.c //uip_arp_init(); // uip_arp.c // must be done or sometimes arp doesn't work struct uip_eth_addr mac = {UIP_ETHADDR0, UIP_ETHADDR1, UIP_ETHADDR2, UIP_ETHADDR3, UIP_ETHADDR4, UIP_ETHADDR5}; uip_setethaddr(mac); simple_httpd_init(); #ifdef __DHCPC_H__ dhcpc_init(&mac, 6); #else uip_ipaddr(ipaddr, 192,168,0,1); // uip.h uip_sethostaddr(ipaddr); // uip.h // #define uip_sethostaddr(addr) uip_ipaddr_copy(uip_hostaddr, (addr)) uip_ipaddr(ipaddr, 192,168,0,1); uip_setdraddr(ipaddr); // #define uip_setdraddr(addr) uip_ipaddr_copy(uip_draddr, (addr)) uip_ipaddr(ipaddr, 255,255,255,0); uip_setnetmask(ipaddr); // #define uip_setnetmask(addr) uip_ipaddr_copy(uip_netmask, (addr)) #endif /*__DHCPC_H__*/ while(1){ uip_len = network_read(); // uip.c : u16_t uip_len; // network.c : return ((unt16_t) enc28j60PacketReceive(UIP_BUFSIZE, (uint8_t *)uip_buf)); // enc28j60.c : enc28j60PacketReceive // uip.c : uint8_t uip_buf[UIP_BUFSIZE+2]; // uipconf.h : UIP_BUFSIZE:300 if(uip_len > 0) { if(BUF->type == htons(UIP_ETHTYPE_IP)){ #ifdef MY_DEBUG //rprintf("eth in : uip_len = %d, proto = %d\n", uip_len, uip_buf[23]); //debugPrintHexTable(uip_len, uip_buf); #endif // struct uip_eth_hdr { // struct uip_eth_addr dest; // struct uip_eth_addr src; // u16_t type; // }; // struct uip_eth_addr { // Representation of a 48-bit Ethernet address // u8_t addr[6]; // }; // http://www.netmanias.com/ko/post/blog/5372/ethernet-ip-tcp-ip/packet-header-ethernet-ip-tcp-ip // UIP_ETHTYPE_IP(0x0800) : IPv4 Packet(ICMP, TCP, UDP) uip_arp_ipin(); #ifdef MY_DEBUG //rprintf("ip in : uip_len = %d, proto = %d\n", uip_len, uip_buf[23]); //debugPrintHexTable(uip_len, uip_buf+14); #endif // uip_arp.c // #define IPBUF ((struct ethip_hdr *)&uip_buf[0]) // struct ethip_hdr { // struct uip_eth_hdr ethhdr; // // IP header // u8_t vhl, // tos, // len[2], // ipid[2], // ipoffset[2], // ttl, // proto; // ICMP: 1, TCP: 6, UDP: 17 // u16_t ipchksum; // u16_t srcipaddr[2], // destipaddr[2]; // } // if ((IBUF->srcipaddr & uip_netmask) != uip_hostaddr & (uip_netmask)) return; // uip_arp_update(IPBUF->srcipaddr, &(IPBUF->ethhdr.src)); uip_input(); #ifdef MY_DEBUG //rprintf("ip out : uip_len = %d, proto = %d\n", uip_len, uip_buf[23]); //debugPrintHexTable(uip_len, uip_buf+14); #endif // ip out packet // eg ICMP // uip_len : 84 // source ip <-> destination ip // type : 8 (Echo (ping) request) -> 0 (Echo (ping) reply) // uip.h // #define uip_input() uip_process(UIP_DATA) // UIP_DATA(1) : Tells uIP that there is incoming // uip_process : The actual uIP function which does all the work. if(uip_len > 0) { uip_arp_out(); #ifdef MY_DEBUG //rprintf("ip out : uip_len = %d, proto = %d\n", uip_len, uip_buf[23]); //debugPrintHexTable(uip_len, uip_buf); #endif // Destination MAC Address <=> Source MAC Address // w/o Ethernet CRC // uip_arp.c network_send(); // network.c // if(uip_len <= UIP_LLH_LEN + 40){ // UIP_LLH_LEN : 14 // enc28j60PacketSend(uip_len, (uint8_t *)uip_buf, 0, 0); // }else{ // enc28j60PacketSend(54, (uint8_t *)uip_buf , uip_len - UIP_LLH_LEN - 40, (uint8_t*)uip_appdata); // } } }else if(BUF->type == htons(UIP_ETHTYPE_ARP)){ // UIP_ETHYPE_ARP(0x0806) #ifdef MY_DEBUG //rprintf("arp in : uip_len = %d\n", uip_len); //debugPrintHexTable(uip_len, uip_buf); #endif // arp in : 64 bytes uip_arp_arpin(); if(uip_len > 0){ // always uip_len > 0 #ifdef MY_DEBUG //rprintf("ip in : uip_len = %d\n", uip_len); //debugPrintHexTable(uip_len, uip_buf); #endif // arp out : 42 bytes // 64 - Ethernet_padding(18) - Ethernet_CRC(4) // Send MAC address <--> Target MAC address // Send IP address <--> Target IP address // uip_arp.c network_send(); } } }else if(timer_expired(&periodic_timer)) { timer_reset(&periodic_timer); for(i = 0; i < UIP_CONNS; i++) { uip_periodic(i); // uip.h // #define uip_udp_periodic(conn) do { uip_udp_conn = &uip_udp_conns[conn]; \ // uip_process(UIP_UDP_TIMER); } while (0) // UIP_UDP_TIMER : 5 // uip.c; uip_process // if(flag == UIP_UDP_TIMER) { // if(uip_udp_conn->lport != 0) { // uip_conn = NULL; // uip_sappdata = uip_appdata = &uip_buf[UIP_LLH_LEN + UIP_IPUDPH_LEN]; // uip_len = uip_slen = 0; // uip_flags = UIP_POLL; // UIP_UDP_APPCALL(); // goto udp_send; // } // } else { // goto drop; // } if(uip_len > 0) { uip_arp_out(); network_send(); } } #if UIP_UDP for(i = 0; i < UIP_UDP_CONNS; i++) { uip_udp_periodic(i); if(uip_len > 0) { uip_arp_out(); network_send(); } } #endif /* UIP_UDP */ if(timer_expired(&arp_timer)) { timer_reset(&arp_timer); uip_arp_timer(); } } } return 0; }
//***************************************************************************** // // This example demonstrates the use of the Ethernet Controller with the uIP // TCP/IP stack. // //***************************************************************************** int main(void) { uip_ipaddr_t ipaddr; static struct uip_eth_addr sTempAddr; long lPeriodicTimer, lARPTimer, lPacketLength; unsigned long ulUser0, ulUser1; unsigned long ulTemp; // // Set the clocking to run directly from the crystal. // SysCtlClockSet(SYSCTL_SYSDIV_1 | SYSCTL_USE_OSC | SYSCTL_OSC_MAIN | SYSCTL_XTAL_8MHZ); // // Initialize the OLED display. // RIT128x96x4Init(1000000); RIT128x96x4StringDraw("Ethernet with uIP", 12, 0, 15); // // Enable and Reset the Ethernet Controller. // SysCtlPeripheralEnable(SYSCTL_PERIPH_ETH); SysCtlPeripheralReset(SYSCTL_PERIPH_ETH); // // Enable Port F for Ethernet LEDs. // LED0 Bit 3 Output // LED1 Bit 2 Output // SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOF); GPIOPinTypeEthernetLED(GPIO_PORTF_BASE, GPIO_PIN_2 | GPIO_PIN_3); // // Configure SysTick for a periodic interrupt. // SysTickPeriodSet(SysCtlClockGet() / SYSTICKHZ); SysTickEnable(); SysTickIntEnable(); // // Intialize the Ethernet Controller and disable all Ethernet Controller // interrupt sources. // EthernetIntDisable(ETH_BASE, (ETH_INT_PHY | ETH_INT_MDIO | ETH_INT_RXER | ETH_INT_RXOF | ETH_INT_TX | ETH_INT_TXER | ETH_INT_RX)); ulTemp = EthernetIntStatus(ETH_BASE, false); EthernetIntClear(ETH_BASE, ulTemp); // // Initialize the Ethernet Controller for operation. // EthernetInitExpClk(ETH_BASE, SysCtlClockGet()); // // Configure the Ethernet Controller for normal operation. // - Full Duplex // - TX CRC Auto Generation // - TX Padding Enabled // EthernetConfigSet(ETH_BASE, (ETH_CFG_TX_DPLXEN | ETH_CFG_TX_CRCEN | ETH_CFG_TX_PADEN)); // // Wait for the link to become active. // RIT128x96x4StringDraw("Waiting for Link", 12, 8, 15); ulTemp = EthernetPHYRead(ETH_BASE, PHY_MR1); while((ulTemp & 0x0004) == 0) { ulTemp = EthernetPHYRead(ETH_BASE, PHY_MR1); } RIT128x96x4StringDraw("Link Established", 12, 16, 15); // // Enable the Ethernet Controller. // EthernetEnable(ETH_BASE); // // Enable the Ethernet interrupt. // IntEnable(INT_ETH); // // Enable the Ethernet RX Packet interrupt source. // EthernetIntEnable(ETH_BASE, ETH_INT_RX); // // Enable all processor interrupts. // IntMasterEnable(); // // Initialize the uIP TCP/IP stack. // uip_init(); #ifdef USE_STATIC_IP uip_ipaddr(ipaddr, DEFAULT_IPADDR0, DEFAULT_IPADDR1, DEFAULT_IPADDR2, DEFAULT_IPADDR3); uip_sethostaddr(ipaddr); DisplayIPAddress(ipaddr, 18, 24); uip_ipaddr(ipaddr, DEFAULT_NETMASK0, DEFAULT_NETMASK1, DEFAULT_NETMASK2, DEFAULT_NETMASK3); uip_setnetmask(ipaddr); #else uip_ipaddr(ipaddr, 0, 0, 0, 0); uip_sethostaddr(ipaddr); DisplayIPAddress(ipaddr, 18, 24); uip_ipaddr(ipaddr, 0, 0, 0, 0); uip_setnetmask(ipaddr); #endif // // Configure the hardware MAC address for Ethernet Controller filtering of // incoming packets. // // For the Ethernet Eval Kits, the MAC address will be stored in the // non-volatile USER0 and USER1 registers. These registers can be read // using the FlashUserGet function, as illustrated below. // FlashUserGet(&ulUser0, &ulUser1); if((ulUser0 == 0xffffffff) || (ulUser1 == 0xffffffff)) { // // We should never get here. This is an error if the MAC address has // not been programmed into the device. Exit the program. // RIT128x96x4StringDraw("MAC Address", 0, 16, 15); RIT128x96x4StringDraw("Not Programmed!", 0, 24, 15); while(1) { } } // // Convert the 24/24 split MAC address from NV ram into a 32/16 split MAC // address needed to program the hardware registers, then program the MAC // address into the Ethernet Controller registers. // sTempAddr.addr[0] = ((ulUser0 >> 0) & 0xff); sTempAddr.addr[1] = ((ulUser0 >> 8) & 0xff); sTempAddr.addr[2] = ((ulUser0 >> 16) & 0xff); sTempAddr.addr[3] = ((ulUser1 >> 0) & 0xff); sTempAddr.addr[4] = ((ulUser1 >> 8) & 0xff); sTempAddr.addr[5] = ((ulUser1 >> 16) & 0xff); // // Program the hardware with it's MAC address (for filtering). // EthernetMACAddrSet(ETH_BASE, (unsigned char *)&sTempAddr); uip_setethaddr(sTempAddr); // // Initialize the TCP/IP Application (e.g. web server). // httpd_init(); #ifndef USE_STATIC_IP // // Initialize the DHCP Client Application. // dhcpc_init(&sTempAddr.addr[0], 6); dhcpc_request(); #endif // // Main Application Loop. // lPeriodicTimer = 0; lARPTimer = 0; while(true) { // // Wait for an event to occur. This can be either a System Tick event, // or an RX Packet event. // while(!g_ulFlags) { } // // If SysTick, Clear the SysTick interrupt flag and increment the // timers. // if(HWREGBITW(&g_ulFlags, FLAG_SYSTICK) == 1) { HWREGBITW(&g_ulFlags, FLAG_SYSTICK) = 0; lPeriodicTimer += SYSTICKMS; lARPTimer += SYSTICKMS; } // // Check for an RX Packet and read it. // lPacketLength = EthernetPacketGetNonBlocking(ETH_BASE, uip_buf, sizeof(uip_buf)); if(lPacketLength > 0) { // // Set uip_len for uIP stack usage. // uip_len = (unsigned short)lPacketLength; // // Clear the RX Packet event and renable RX Packet interrupts. // if(HWREGBITW(&g_ulFlags, FLAG_RXPKT) == 1) { HWREGBITW(&g_ulFlags, FLAG_RXPKT) = 0; EthernetIntEnable(ETH_BASE, ETH_INT_RX); } // // Process incoming IP packets here. // if(BUF->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(); EthernetPacketPut(ETH_BASE, uip_buf, uip_len); uip_len = 0; } } // // Process incoming ARP packets here. // else if(BUF->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) { EthernetPacketPut(ETH_BASE, uip_buf, uip_len); uip_len = 0; } } } // // Process TCP/IP Periodic Timer here. // if(lPeriodicTimer > UIP_PERIODIC_TIMER_MS) { lPeriodicTimer = 0; for(ulTemp = 0; ulTemp < UIP_CONNS; ulTemp++) { uip_periodic(ulTemp); // // 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(); EthernetPacketPut(ETH_BASE, uip_buf, uip_len); uip_len = 0; } } #if UIP_UDP for(ulTemp = 0; ulTemp < UIP_UDP_CONNS; ulTemp++) { uip_udp_periodic(ulTemp); // // 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(); EthernetPacketPut(ETH_BASE, uip_buf, uip_len); uip_len = 0; } } #endif // UIP_UDP } // // Process ARP Timer here. // if(lARPTimer > UIP_ARP_TIMER_MS) { lARPTimer = 0; uip_arp_timer(); } } }
int main(void) { unsigned int i; uip_ipaddr_t ipaddr; /* local IP address */ struct timer periodic_timer, arp_timer; char uart_test[]= "\nWelcome to smart home debugger"; // system init SystemInit(); /* setup core clocks */ // clock init clock_init(); //uart init.. UARTInit(3, 38400); UARTSend(3, (uint8_t *)uart_test, sizeof(uart_test) ); // two timers for tcp/ip timer_set(&periodic_timer, CLOCK_SECOND / 2); /* 0.5s */ timer_set(&arp_timer, CLOCK_SECOND * 10); /* 10s */ // ethernet init tapdev_init(); // Initialize the uIP TCP/IP stack. uip_init(); uip_ipaddr(ipaddr, 192,168,1,210); //uip_ipaddr(ipaddr, 192,168,0,210); uip_sethostaddr(ipaddr); /* host IP address */ uip_ipaddr(ipaddr, 192,168,1,1); //this is for the case when the uc is connected to the internet //uip_ipaddr(ipaddr, 192,168,0,1); //this is for my local network uip_setdraddr(ipaddr); /* router IP address */ uip_ipaddr(ipaddr, 255,255,255,0); uip_setnetmask(ipaddr); /* mask */ // Initialize the HTTP server, listen to port 80. //httpd_init(); scadapp_init(); while(1) { /* receive packet and put in uip_buf */ uip_len = tapdev_read(uip_buf); if(uip_len > 0) /* received packet */ { if(BUF->type == htons(UIP_ETHTYPE_IP)) /* IP packet */ { 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(); tapdev_send(uip_buf,uip_len); } } else if(BUF->type == htons(UIP_ETHTYPE_ARP)) /*ARP packet */ { 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) { tapdev_send(uip_buf,uip_len); /* ARP ack*/ } } } else if(timer_expired(&periodic_timer)) /* no packet but periodic_timer time out (0.5s)*/ { 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(); tapdev_send(uip_buf,uip_len); } } #if UIP_UDP for(i = 0; i < UIP_UDP_CONNS; i++) { uip_udp_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(); tapdev_send(); } } #endif /* UIP_UDP */ /* Call the ARP timer function every 10 seconds. */ if(timer_expired(&arp_timer)) { timer_reset(&arp_timer); uip_arp_timer(); } } } }
/** Manages the currently open network connections, including TCP and (if enabled) UDP. */ static void uIPManagement_ManageConnections(void) { /* Poll TCP connections for more data to send back to the host */ for (uint8_t i = 0; i < UIP_CONNS; i++) { uip_poll_conn(&uip_conns[i]); /* If a response was generated, send it */ if (uip_len > 0) { /* Add destination MAC to outgoing packet */ uip_arp_out(); /* Split and send the outgoing packet */ uip_split_output(); } } /* Manage open connections for timeouts */ if (timer_expired(&ConnectionTimer)) { timer_reset(&ConnectionTimer); LEDs_SetAllLEDs(LEDMASK_USB_BUSY); for (uint8_t i = 0; i < UIP_CONNS; i++) { /* Run periodic connection management for each TCP connection */ uip_periodic(i); /* If a response was generated, send it */ if (uip_len > 0) { /* Add destination MAC to outgoing packet */ uip_arp_out(); /* Split and send the outgoing packet */ uip_split_output(); } } #if defined(ENABLE_DHCP_CLIENT) for (uint8_t i = 0; i < UIP_UDP_CONNS; i++) { /* Run periodic connection management for each UDP connection */ uip_udp_periodic(i); /* If a response was generated, send it */ if (uip_len > 0) { /* Add destination MAC to outgoing packet */ uip_arp_out(); /* Split and send the outgoing packet */ uip_split_output(); } } #endif LEDs_SetAllLEDs(LEDMASK_USB_READY); } /* Manage ARP cache refreshing */ if (timer_expired(&ARPTimer)) { timer_reset(&ARPTimer); uip_arp_timer(); } }
/*---------------------------------------------------------------------------*/ int main(void) { int i; uip_ipaddr_t ipaddr; struct timer periodic_timer, arp_timer; timer_set(&periodic_timer, CLOCK_SECOND / 2); timer_set(&arp_timer, CLOCK_SECOND * 10); tapdev_init(); uip_init(); uip_ipaddr(ipaddr, 192,168,0,2); uip_sethostaddr(ipaddr); uip_ipaddr(ipaddr, 192,168,0,1); uip_setdraddr(ipaddr); uip_ipaddr(ipaddr, 255,255,255,0); uip_setnetmask(ipaddr); httpd_init(); /* telnetd_init();*/ /* hello_world_init();*/ /* { u8_t mac[6] = {1,2,3,4,5,6}; dhcpc_init(&mac, 6); }*/ /*uip_ipaddr(ipaddr, 127,0,0,1); smtp_configure("localhost", ipaddr); SMTP_SEND("*****@*****.**", NULL, "*****@*****.**", "Testing SMTP from uIP", "Test message sent by uIP\r\n");*/ /* webclient_init(); resolv_init(); uip_ipaddr(ipaddr, 195,54,122,204); resolv_conf(ipaddr); resolv_query("www.sics.se");*/ while(1) { uip_len = tapdev_read(); if(uip_len > 0) { if(BUF->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(); tapdev_send(); } } else if(BUF->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) { tapdev_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(); tapdev_send(); } } #if UIP_UDP for(i = 0; i < UIP_UDP_CONNS; i++) { uip_udp_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(); tapdev_send(); } } #endif /* UIP_UDP */ /* Call the ARP timer function every 10 seconds. */ if(timer_expired(&arp_timer)) { timer_reset(&arp_timer); uip_arp_timer(); } } } return 0; }
int main(int argc, char *argv[]) { uip_ipaddr_t ipaddr; int i; struct timer periodic_timer, arp_timer; if(connect_pci() < 0) return 1; printf("Starting up stack!\n"); uip_init(); uip_ipaddr(ipaddr, 192,168,1,8); uip_sethostaddr(ipaddr); uip_ipaddr(ipaddr, 192,168,1,1); uip_setdraddr(ipaddr); uip_ipaddr(ipaddr, 255,255,255,0); uip_setnetmask(ipaddr); uip_setethaddr(rtl8139_mac); resolv_init(); dhcpc_init(rtl8139_mac, 6); // httpd_init(); resolv_query("grindars.org.ru"); printf("Stack started\n"); while(1) { uip_len = rtl8139_poll(); if(uip_len > 0) { if(BUF->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(); rtl8139_transmit(); } } else if(BUF->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) { rtl8139_transmit(); } } } 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(); rtl8139_transmit(); } } //#if UIP_UDP for(i = 0; i < UIP_UDP_CONNS; i++) { uip_udp_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(); rtl8139_transmit(); } } //#endif /* UIP_UDP */ /* Call the ARP timer function every 10 seconds. */ if(timer_expired(&arp_timer)) { timer_reset(&arp_timer); uip_arp_timer(); } } } return 0; }
int main(void) { led_conf(); int i; uip_ipaddr_t ipaddr; struct timer periodic_timer, arp_timer; /* Disable watchdog if enabled by bootloader/fuses */ MCUSR &= ~(1 << WDRF); WDTCSR |= _BV(_WD_CHANGE_BIT) | _BV(WDE); WDTCSR = 0; network_init(); clock_init(); timer_set(&periodic_timer, CLOCK_SECOND / 2); timer_set(&arp_timer, CLOCK_SECOND * 10); uip_init(); phys_init(); // must be done or sometimes arp doesn't work uip_arp_init(); _enable_dhcp=eeprom_read_byte(&ee_enable_dhcp); if ((_enable_dhcp != 1) && (_enable_dhcp != 0)) { // if the setting is invalid, enable by default _enable_dhcp = 1; eeprom_write_byte(&ee_enable_dhcp,_enable_dhcp); } eeprom_read_block ((void *)_eth_addr, (const void *)&ee_eth_addr,6); // if the mac address in eeprom looks good, use it. if((_eth_addr[0] != 255) && (_eth_addr[0] != 0)) { my_eth_addr.addr[0] = _eth_addr[0]; my_eth_addr.addr[1] = _eth_addr[1]; my_eth_addr.addr[2] = _eth_addr[2]; my_eth_addr.addr[3] = _eth_addr[3]; my_eth_addr.addr[4] = _eth_addr[4]; my_eth_addr.addr[5] = _eth_addr[5]; } uip_setethaddr(my_eth_addr); _enable_dhcp = 1; if (_enable_dhcp) { #ifdef __DHCPC_H__ // setup the dhcp renew timer the make the first request timer_set(&dhcp_timer, CLOCK_SECOND * 600); dhcpc_init(&my_eth_addr, 6); dhcpc_request(); #endif } else { eeprom_read_block ((void *)_ip_addr, (const void *)&ee_ip_addr,4); eeprom_read_block ((void *)_net_mask,(const void *)&ee_net_mask,4); eeprom_read_block ((void *)_gateway, (const void *)&ee_gateway,4); // if the IP looks good in flash, use it if ((_ip_addr[0] != 255) && (_ip_addr[0] != 0)) { uip_ipaddr(ipaddr, _ip_addr[0], _ip_addr[1], _ip_addr[2], _ip_addr[3]); uip_sethostaddr(ipaddr); uip_ipaddr(ipaddr, _gateway[0], _gateway[1], _gateway[2], _gateway[3]); uip_setdraddr(ipaddr); uip_ipaddr(ipaddr, _net_mask[0], _net_mask[1], _net_mask[2], _net_mask[3]); uip_setnetmask(ipaddr); } else { // ip in flash didn't look good... use default uip_ipaddr(ipaddr, UIP_IPADDR0, UIP_IPADDR1, UIP_IPADDR2, UIP_IPADDR3); uip_sethostaddr(ipaddr); uip_ipaddr(ipaddr, UIP_DRIPADDR0, UIP_DRIPADDR1, UIP_DRIPADDR2, UIP_DRIPADDR3); uip_setdraddr(ipaddr); uip_ipaddr(ipaddr, UIP_NETMASK0, UIP_NETMASK1, UIP_NETMASK2, UIP_NETMASK3); uip_setnetmask(ipaddr); } } jsoncmd_init(); while (1) { uip_len = network_read(); if(uip_len > 0) { if(BUF->type == htons(UIP_ETHTYPE_IP)) { led_on(5); uip_arp_ipin(); // arp seems to have issues w/o this uip_input(); if(uip_len > 0) { uip_arp_out(); network_send(); } } else if(BUF->type == htons(UIP_ETHTYPE_ARP)) { led_on(4); uip_arp_arpin(); // this is correct if(uip_len > 0) { network_send(); } } } else if(timer_expired(&periodic_timer)) { led_off(4); led_off(5); timer_reset(&periodic_timer); for(i = 0; i < UIP_CONNS; i++) { uip_periodic(i); if(uip_len > 0) { uip_arp_out(); network_send(); } } #if UIP_UDP for(i = 0; i < UIP_UDP_CONNS; i++) { uip_udp_periodic(i); if(uip_len > 0) { uip_arp_out(); network_send(); } } #endif /* UIP_UDP */ if(timer_expired(&arp_timer)) { timer_reset(&arp_timer); uip_arp_timer(); } } else if (_enable_dhcp && timer_expired(&dhcp_timer)) { #ifdef __DHCPC_H__ led_on(3); // for now turn off the led when we start the dhcp process dhcpc_renew(); timer_reset(&dhcp_timer); #endif } } return 0; }
int main(void) { struct timer periodic_timer, arp_timer; // Flash the status LED two times to indicate that the AVR controller is living STATUS_LED_on(); _delay_ms(20); STATUS_LED_off(); _delay_ms(100); STATUS_LED_on(); _delay_ms(20); STATUS_LED_off(); // Initialize direction and level of I/O pins init_io_pins(); #if ADC_CHANNELS > 0 // initialize ADC converter initADC(); #endif // enable io functions isBusy=0; // Initialize system clock timers. clock_init(); timer_set(&periodic_timer, CLOCK_SECOND); timer_set(&arp_timer, CLOCK_SECOND*10); // check if the config reset jumper is connected. check_for_reset_jumper(); #ifdef SERIAL // start the serial port server seriald_init(); #endif // SERIAL // initialize ethernet controller // loop until link comes up while (init_CP2200()==0) { _delay_ms(200); } // replace config by hardcoded defaults if the flash is unprogrammed (all bits 1) if (uip_ipaddr_cmp(config.ipaddr, all_ones_addr) && uip_ipaddr_cmp(config.netmask, all_ones_addr) && uip_ipaddr_cmp(config.gateway, all_ones_addr)) { set_defaults(); } // initialize uIP protocol uip_arp_init(); uip_init(); // Configure the IP-Adrdess IP_config(); #ifdef EMAIL_APP // Initialize the email application email_app_init(); #endif // EMAIL_APP // Initialize the inetd inetd_init(); // main loop, dispatches network and timer events while (1) { uip_len = network_device_read(); if (uip_len > 0) { if (BUF->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(); network_device_send(); } } else if (BUF->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) { network_device_send(); } } } else if (timer_expired(&periodic_timer)) { timer_reset(&periodic_timer); for (int 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(); network_device_send(); } } #if UIP_UDP for (int i = 0; i < UIP_UDP_CONNS; i++) { uip_udp_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(); network_device_send(); } } #endif // UIP_UDP // Call the ARP timer function every 10 seconds. if (timer_expired(&arp_timer)) { timer_reset(&arp_timer); uip_arp_timer(); } } #ifdef EMAIL_APP email_app_main_loop(); #endif //EMAIL_APP } return 0; }
/** * \brief gmac_uip_telnetd example entry point. * * \return Unused (ANSI-C compatibility). */ int main(void) { uip_ipaddr_t ipaddr; struct timer periodic_timer, arp_timer; uint32_t i; struct uip_eth_addr OrigiGMacAddr; /* Disable watchdog */ WDT_Disable(WDT); SCB_EnableICache(); SCB_EnableDCache(); TimeTick_Configure(); printf("-- GMAC uIP Telnetd Example %s --\n\r", SOFTPACK_VERSION); printf("-- %s\n\r", BOARD_NAME); printf("-- Compiled: %s %s With %s--\n\r", __DATE__, __TIME__ , COMPILER_NAME); /* Configure systick for 1 ms. */ TimeTick_Configure(); /* Configure TWI pins. */ PIO_Configure(twiPins, PIO_LISTSIZE(twiPins)); /* Enable TWI */ PMC_EnablePeripheral(BOARD_ID_TWI_EEPROM); TWI_ConfigureMaster(BOARD_BASE_TWI_EEPROM, TWCK, BOARD_MCK); TWID_Initialize(&twid, BOARD_BASE_TWI_EEPROM); /* Display MAC & IP settings */ TWID_Read(&twid, AT24MAC_SERIAL_NUM_ADD, 0x9A, 1, OrigiGMacAddr.addr, PAGE_SIZE, 0); if ((OrigiGMacAddr.addr[0] == 0xFC) && (OrigiGMacAddr.addr[1] == 0xC2) && (OrigiGMacAddr.addr[2] == 0x3D)) { for (i = 0; i < 6; i++) GMacAddress.addr[i] = OrigiGMacAddr.addr[i]; } printf("-- MAC %x:%x:%x:%x:%x:%x\n\r", GMacAddress.addr[0], GMacAddress.addr[1], GMacAddress.addr[2], GMacAddress.addr[3], GMacAddress.addr[4], GMacAddress.addr[5]); #ifndef __DHCPC_H__ printf(" - Host IP %d.%d.%d.%d\n\r", HostIpAddress[0], HostIpAddress[1], HostIpAddress[2], HostIpAddress[3]); printf(" - Router IP %d.%d.%d.%d\n\r", RoutIpAddress[0], RoutIpAddress[1], RoutIpAddress[2], RoutIpAddress[3]); printf(" - Net Mask %d.%d.%d.%d\n\r", NetMask[0], NetMask[1], NetMask[2], NetMask[3]); #endif /* System devices initialize */ gmac_tapdev_setmac((uint8_t *)GMacAddress.addr); gmac_tapdev_init(); clock_init(); timer_set(&periodic_timer, CLOCK_SECOND / 2); timer_set(&arp_timer, CLOCK_SECOND * 10); /* Init uIP */ uip_init(); #ifdef __DHCPC_H__ printf("P: DHCP Supported\n\r"); uip_ipaddr(ipaddr, 0, 0, 0, 0); uip_sethostaddr(ipaddr); uip_ipaddr(ipaddr, 0, 0, 0, 0); uip_setdraddr(ipaddr); uip_ipaddr(ipaddr, 0, 0, 0, 0); uip_setnetmask(ipaddr); #else /* Set the IP address of this host */ uip_ipaddr(ipaddr, HostIpAddress[0], HostIpAddress[1], HostIpAddress[2], HostIpAddress[3]); uip_sethostaddr(ipaddr); uip_ipaddr(ipaddr, RoutIpAddress[0], RoutIpAddress[1], RoutIpAddress[2], RoutIpAddress[3]); uip_setdraddr(ipaddr); uip_ipaddr(ipaddr, NetMask[0], NetMask[1], NetMask[2], NetMask[3]); uip_setnetmask(ipaddr); #endif uip_setethaddr(GMacAddress); _app_init(); while (1) { uip_len = gmac_tapdev_read(); if (uip_len > 0) { if (BUF->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(); gmac_tapdev_send(); } } else if (BUF->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) gmac_tapdev_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(); gmac_tapdev_send(); } } #if UIP_UDP for (i = 0; i < UIP_UDP_CONNS; i++) { uip_udp_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(); gmac_tapdev_send(); } } #endif /* UIP_UDP */ /* Call the ARP timer function every 10 seconds. */ if (timer_expired(&arp_timer)) { timer_reset(&arp_timer); uip_arp_timer(); } } } }
int main(void) { network_init(); #if MY_DEBUG uartInit(); uartSetBaudRate(9600); rprintfInit(uartSendByte); #endif int i; uip_ipaddr_t ipaddr; struct timer periodic_timer, arp_timer; clock_init(); timer_set(&periodic_timer, CLOCK_SECOND / 2); timer_set(&arp_timer, CLOCK_SECOND * 10); uip_init(); struct uip_eth_addr mac = {UIP_ETHADDR0, UIP_ETHADDR1, UIP_ETHADDR2, UIP_ETHADDR3, UIP_ETHADDR4, UIP_ETHADDR5}; uip_setethaddr(mac); telnetd_init(); #ifdef __DHCPC_H__ dhcpc_init(&mac, 6); #else uip_ipaddr(ipaddr, 192,168,0,1); uip_sethostaddr(ipaddr); uip_ipaddr(ipaddr, 192,168,0,1); uip_setdraddr(ipaddr); uip_ipaddr(ipaddr, 255,255,255,0); uip_setnetmask(ipaddr); #endif /*__DHCPC_H__*/ while(1){ uip_len = network_read(); if(uip_len > 0) { if(BUF->type == htons(UIP_ETHTYPE_IP)){ uip_arp_ipin(); uip_input(); if(uip_len > 0) { uip_arp_out(); network_send(); } }else if(BUF->type == htons(UIP_ETHTYPE_ARP)){ uip_arp_arpin(); if(uip_len > 0){ network_send(); } } }else if(timer_expired(&periodic_timer)) { timer_reset(&periodic_timer); for(i = 0; i < UIP_CONNS; i++) { uip_periodic(i); if(uip_len > 0) { uip_arp_out(); network_send(); } } #if UIP_UDP for(i = 0; i < UIP_UDP_CONNS; i++) { uip_udp_periodic(i); if(uip_len > 0) { uip_arp_out(); network_send(); } } #endif /* UIP_UDP */ if(timer_expired(&arp_timer)) { timer_reset(&arp_timer); uip_arp_timer(); } } } return 0; }
uint32_t uIPMain(void) { uint32_t i; uip_ipaddr_t ipaddr; struct timer periodic_timer, arp_timer, can_sync_timer; LED_On(2); // Sys timer init 1/100 sec tick clock_init(2); timer_set(&periodic_timer, CLOCK_SECOND / 10); timer_set(&arp_timer, CLOCK_SECOND * 10); timer_set(&can_sync_timer, CLOCK_SECOND / 8); //ca. 1x pro sec wird gesynced // Initialize the ethernet device driver // Init MAC // Phy network negotiation tapdev_init(); //code in: ENET_TxDscrInit (ethernet.c) & ENET_RxDscrInit (ethernet.c) & ETH_Start (stm32_eth.c) // Initialize the uIP TCP/IP stack. uip_init(); //code in uip.c // Init Server #ifdef TEST_GATEWAY uip_ipaddr(ipaddr, 10,0,241,2); #else uip_ipaddr(ipaddr, 10,0,241,1); #endif uip_sethostaddr(ipaddr); //ip uip_ipaddr(ipaddr, 10,0,240,0); uip_setdraddr(ipaddr); //gw uip_ipaddr(ipaddr, 255,255,252,0); uip_setnetmask(ipaddr); //nm // Initialize the server listen on port 23 uip_listen(HTONS(23)); //turn led off, we are now ready for inncoming conenctions LED_Off(1); CanRxMsg RxMessage; int can_last_msg_id = 0; uint32_t nCount; while(1) { if(timer_expired(&can_sync_timer)) { nCount++; timer_reset(&can_sync_timer); #ifndef TEST_GATEWAY send_sync( nCount % 2 ); if( nCount % 2 == 1 ) LED_On(2); else LED_Off(2); #endif } // ethernet stuff uip_len = tapdev_read(uip_buf); if(uip_len > 0) //read input { if(BUF->type == htons(UIP_ETHTYPE_IP)) //Layer3? { 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(); //get ARP of destination - or default gw (uip_arp.c) tapdev_send(uip_buf,uip_len); } } else if(BUF->type == htons(UIP_ETHTYPE_ARP)) //Layer2? { 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) { tapdev_send(uip_buf,uip_len); } } } else if(timer_expired(&periodic_timer)) //check if there is data in the send queue of each connection and send it { timer_reset(&periodic_timer); for(i = 0; i < UIP_CONNS; i++) { uip_periodic(i); //sets uip_conn to the current connections (macro uip.h) /* 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(); //get ARP of destination - or default gw (uip_arp.c) tapdev_send(uip_buf,uip_len); } } #if UIP_UDP for(i = 0; i < UIP_UDP_CONNS; i++) { uip_udp_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(); //get ARP of destination - or default gw (uip_arp.c) tapdev_send(); } } #endif /* UIP_UDP */ /* Call the ARP timer function every 10 seconds. */ /* It updates the arp-table (removes old entries) */ if(timer_expired(&arp_timer)) { timer_reset(&arp_timer); uip_arp_timer(); } } } return(TRUE); }
void uip_task(void *p) { int i; struct timer periodic_timer, arp_timer; enc28j60_open(); timer_set(&periodic_timer, CLOCK_SECOND / 2); timer_set(&arp_timer, CLOCK_SECOND * 10); while(1) { socket_process_pending_lists_(); uip_len = enc28j60_read(); if(uip_len > 0) { if(BUF->type == htons(UIP_ETHTYPE_IP)) { 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(); enc28j60_write(); } } else if(BUF->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) { enc28j60_write(); } } } 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(); enc28j60_write(); } } #if UIP_UDP for(i = 0; i < UIP_UDP_CONNS; i++) { uip_udp_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(); enc28j60_write(); } } #endif /* UIP_UDP */ /* Call the ARP timer function every 10 seconds. */ if(timer_expired(&arp_timer)) { timer_reset(&arp_timer); uip_arp_timer(); } } //yield so that other tasks can do something sys_msleep(UIP_TASK_YIELD_TIME_MS); } }
/***************************************************************************** 函 数 名 : uip_main 功能描述 : uip main looplock function 输入参数 : void 输出参数 : 无 返 回 值 : 调用函数 : 被调函数 : 修改历史 : 1.日 期 : 2017年4月17日 作 者 : QSWWD 修改内容 : 新生成函数 *****************************************************************************/ void uip_main(void) { int i; uip_ipaddr_t ipaddr; struct timer periodic_timer, arp_timer; timer_set(&periodic_timer, CLOCK_SECOND / 2); timer_set(&arp_timer, CLOCK_SECOND * 10); uip_init(); uip_ipaddr(ipaddr, 192,168,1,6); uip_sethostaddr(ipaddr); uip_ipaddr(ipaddr, 192,168,1,1); uip_setdraddr(ipaddr); uip_ipaddr(ipaddr, 255,255,255,0); uip_setnetmask(ipaddr); /*MAC*/ memcpy(&uip_ethaddr,eth_mac_addr(),6); /*app initialize*/ uip_app_init(); //main loop while(1) { uip_len = tapdev_read(uip_buf); if(uip_len > 0) { if(BUF->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(); tapdev_send(uip_buf,uip_len); } } else if(BUF->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) { tapdev_send(uip_buf,uip_len); } } } 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(); tapdev_send(uip_buf,uip_len); } } #if UIP_UDP for(i = 0; i < UIP_UDP_CONNS; i++) { uip_udp_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(); tapdev_send(uip_buf,uip_len); } } #endif /* UIP_UDP */ /* Call the ARP timer function every 10 seconds. */ if(timer_expired(&arp_timer)) { timer_reset(&arp_timer); uip_arp_timer(); } } } }