/** ******************************************************************************************* * @fn void TcpIpMain(void) * @brief Update the uIP stack. * @return None * @attention ******************************************************************************************* */ void TcpIpMain(void) { uint8_t Index; uip_len = nic_poll(); if (uip_len == 0) { // If timed out, call periodic function for each connection if (TcpIpUipTimerCounter >= TCP_IP_CNT_TIME) { TcpIpUipTimerCounter = 0; for (Index = 0; Index < UIP_CONNS; Index++) { uip_periodic(Index); if (uip_len > 0) { uip_arp_out(); nic_send(); } } /* Call the ARP timer function every ~10 seconds. */ if (++TcpIpUipArpTimerCounter >= TCP_IP_ARP_CNT_TIME) { uip_arp_timer(); TcpIpUipArpTimerCounter = 0; } } } else // packet received { // process an IP packet if (TCP_IP_BUF->type == htons(UIP_ETHTYPE_IP)) { uip_arp_ipin(); uip_input(); if (uip_len > 0) { uip_arp_out(); nic_send(); } } // process an ARP packet else if (TCP_IP_BUF->type == htons(UIP_ETHTYPE_ARP)) { uip_arp_arpin(); if (uip_len > 0) nic_send(); } TcpIpUipTimerCounter = 0; } }
/*---------------------------------------------------------------------------*/ int main(void) { EEPROM_main(); int i; uip_ipaddr_t ipaddr; struct timer periodic_timer, arp_timer; memcpy (&uip_ethaddr.addr[0], &eeprom.MAC[0], 6); AVR_init(); egpio_init(); clock_init(); mbuf_init(); adlc_init(); GICR = (1 << INT0); timer_set(&periodic_timer, CLOCK_SECOND / 2); timer_set(&arp_timer, CLOCK_SECOND * 10); nic_init(); uip_ipaddr(ipaddr, eeprom.IPAddr[0],eeprom.IPAddr[1],eeprom.IPAddr[2],eeprom.IPAddr[3]); uip_sethostaddr(ipaddr); uip_ipaddr(ipaddr, eeprom.Gateway[0],eeprom.Gateway[1],eeprom.Gateway[2],eeprom.Gateway[3]); uip_setdraddr(ipaddr); uip_ipaddr(ipaddr, eeprom.Subnet[0],eeprom.Subnet[1],eeprom.Subnet[2],eeprom.Subnet[3]); uip_setnetmask(ipaddr); telnetd_init(); aun_init(); internet_init(); egpio_write (EGPIO_STATUS_GREEN); while(1) { // check the econet for complete packets adlc_poller(); aun_poller (); uip_len = nic_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. */ maybe_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) { nic_send(NULL); } } } else if(timer_expired(&periodic_timer)) { timer_reset(&periodic_timer); for(i = 0; i < UIP_CONNS; i++) { uip_periodic(i); maybe_send(); } #if UIP_UDP for(i = 0; i < UIP_UDP_CONNS; i++) { uip_udp_periodic(i); maybe_send(); } #endif /* UIP_UDP */ /* Call the ARP timer function every 10 seconds. */ if(timer_expired(&arp_timer)) { timer_reset(&arp_timer); uip_arp_timer(); } } } }
/***************************************************************************** * Main Control Loop * * *****************************************************************************/ int main(void) { //led PB4 // Pins als Ausgänge definieren: DDRB |= (1 << 4); PORTB |= (0 << 4); //DDRD |= (1 << 7); //PORTD |= (1 << 7); unsigned char i; unsigned char arptimer=0; // init NIC device driver nic_init(); // init uIP uip_init(); // init app services_init(); // init ARP cache uip_arp_init(); // init periodic timer initTimer(); SET_USART_9600(); //PORTB |= (1 << 4); //LED PB4 ein sei(); // if((mca25_stat.init=mca25_init())==0) mca25_stat.init=mca25_configure(); // if(mca25_stat.init) { // print error message?; // } #if USE_MCA25_CAM //DEBUG: MCA25_ERROR_LED_OFF(); MCA25_CLOCK_LED_OFF(); //DDRB = 0xFF; MCA25_STATUS_LED_ON(); mca25_init(); mca25_configure(); MCA25_STATUS_LED_OFF(); MCA25_ERROR_LED_ON(); MCA25_CLOCK_LED_ON(); #endif // #if USE_CLOCK // Start_Clock(); //#endif #if USE_SERVO servo_init(); #endif //PORTD |= (1 << 7); while(1) { // look for a packet uip_len = nic_poll(); if(uip_len == 0) { // if timed out, call periodic function for each connection if(timerCounter > TIMERCOUNTER_PERIODIC_TIMEOUT) { timerCounter = 0; for(i = 0; i < UIP_CONNS; i++) { uip_periodic(i); // transmit a packet, if one is ready if(uip_len > 0) { uip_arp_out(); nic_send(); } } /* Call the ARP timer function every 10 seconds. */ if(++arptimer == 20) { uip_arp_timer(); arptimer = 0; } } } else // packet received { // process an IP packet if(BUF->type == htons(UIP_ETHTYPE_IP)) { // add the source to the ARP cache // also correctly set the ethernet packet length before processing uip_arp_ipin(); uip_input(); // transmit a packet, if one is ready if(uip_len > 0) { uip_arp_out(); nic_send(); } } // process an ARP packet else if(BUF->type == htons(UIP_ETHTYPE_ARP)) { uip_arp_arpin(); // transmit a packet, if one is ready if(uip_len > 0) nic_send(); } } } return 1; }
/***************************************************************************** * Main Control Loop * * *****************************************************************************/ int main(void) { unsigned char i; unsigned char arptimer=0; // PORTB PB5 als Ausgang (in use LED) DDRB=(1<<PB5); PORTB=(1<<PB5); init_sensors(); // init NIC device driver nic_init(); // init uIP uip_init(); // init app example1_init(); // init ARP cache uip_arp_init(); // init periodic timer initTimer(); sei(); // initialisierendes lesen der Temperatur(en) read_temp_sensors(); while(1) { if(minInt==1){ minInt=0; read_temp_sensors(); } // look for a packet uip_len = nic_poll(); if(uip_len == 0) { // if timed out, call periodic function for each connection //if(timerCounter > TIMERCOUNTER_PERIODIC_TIMEOUT) if(tInt) { tInt = 0; //timerCounter = 0; for(i = 0; i < UIP_CONNS; i++) { uip_periodic(i); // transmit a packet, if one is ready if(uip_len > 0) { uip_arp_out(); nic_send(); } } /* Call the ARP timer function every 10 seconds. */ if(++arptimer == 20) { uip_arp_timer(); arptimer = 0; } } } else // packet received { // process an IP packet if(BUF->type == htons(UIP_ETHTYPE_IP)) { // add the source to the ARP cache // also correctly set the ethernet packet length before processing uip_arp_ipin(); uip_input(); // transmit a packet, if one is ready if(uip_len > 0) { uip_arp_out(); nic_send(); } } // process an ARP packet else if(BUF->type == htons(UIP_ETHTYPE_ARP)) { uip_arp_arpin(); // transmit a packet, if one is ready if(uip_len > 0) nic_send(); } } } return 1; }