OpenTCP MCF5235EVB

#define UDP_PORT           1234

#define UDP_RMTHOST_IP     0xC0A8010B    

#define UDP_RMTHOST_PRT    1234  

int main (void)

{

  int16 len;

  int16 reset_timer;

  int16 packet_status;

  int8 retVal = 0;

  uint8 i = 0;

  uint8 net_buf[12];

  uint32 udp_host_ip = ((UINT32)IPS1)<<24 | ((UINT32)IPS2)<<16 | ((UINT32)IPS3)<<8 | IPS4;

  uint16 udp_host_port = 1234;

  /* Enable interrupts */

  mcf5xxx_wr_sr(0x2000);

  printf("\nMCF523x Initialization Complete!\n");

  /* Init Opentcp UDP Connection*/

  eth_stub_init();

  init_timerpool();

  fec_init(&fec_nif);

  arpinit();

  udp_init();

  /* Set 10 ms timer for OpenTCP timers  */

  MCF_PIT_PCSR0  = MCF_PIT_PCSR_PRE(0x09);  /* Divide fsys/2 by 512 --> 16.8 us/tic  */

  MCF_PIT_PCSR0 |= MCF_PIT_PCSR_OVW | MCF_PIT_PCSR_PIE |

                       MCF_PIT_PCSR_PIF | MCF_PIT_PCSR_RLD |

                       MCF_PIT_PCSR_EN;

  MCF_PIT_PMR0 = 1465;  /* Interrupt every 10 ms  */

  MCF_INTC0_ICR36 = MCF_INTC0_ICRn_IL(TIMER_NETWORK_LEVEL);

  MCF_INTC0_IMRH &= ~MCF_INTC0_IMRH_INT_MASK36;

  /* Enable FEC Rx Frame interrupts to ColdFire core */

  MCF_INTC0_ICR27 = MCF_INTC0_ICRn_IL(FEC_LEVEL);

  MCF_INTC0_IMRL &=   ~(MCF_INTC0_IMRL_INT_MASK27 | MCF_INTC0_IMRL_MASKALL);

  /* Initialize network device */

  //fec_init(&fec_nif);

  /* Write ethernet address in the NIF structure */

  fec_nif.hwa[0] = mac[0];

  fec_nif.hwa[1] = mac[1];

  fec_nif.hwa[2] = mac[2];

  fec_nif.hwa[3] = mac[3];

  fec_nif.hwa[4] = mac[4];

  fec_nif.hwa[5] = mac[5];

  /* Initialize Network Buffers */

  //nbuf_init();

  /* Register protocol handlers  */

  nif_bind_protocol(&fec_nif, FRAME_IP, opentcp_fechandler, "IP PROTOCOL");

  nif_bind_protocol(&fec_nif, FRAME_ARP, opentcp_fechandler, "ARP PROTOCOL");

  /* Start ethernet  */

  fec_nif.reset(&fec_nif);

  fec_nif.start(&fec_nif);

  /* Set OpenTCP localmachine  */

  localmachine.localip = ((UINT32)IP1)<<24 | ((UINT32)IP2)<<16 | ((UINT32)IP3)<<8 | IP4;

  //localmachine.localip = 0xC0A80101;

  localmachine.localHW[0] = mac[0];

  localmachine.localHW[1] = mac[1];

  localmachine.localHW[2] = mac[2];

  localmachine.localHW[3] = mac[3];

  localmachine.localHW[4] = mac[4];

  localmachine.localHW[5] = mac[5];

  localmachine.defgw   = ((UINT32)GW1)<<24 | ((UINT32)GW2)<<16 | ((UINT32)GW3)<<8 | GW4;

  localmachine.netmask = ((UINT32)SM1)<<24 | ((UINT32)SM2)<<16 | ((UINT32)SM3)<<8 | SM4;

  localmachine.tos = 0;

  printf("IP Address:   %d.%d.%d.%d\n", IP1, IP2, IP3, IP4);

  printf("Subnet Mask: %d.%d.%d.%d\n", SM1, SM2, SM3, SM4);

  printf("Gateway:      %d.%d.%d.%d\n", GW1, GW2, GW3, GW4);

 /* Start UDP Connection */

 socket = udp_getsocket(0 , udp_eventlistener , UDP_OPT_SEND_CS | UDP_OPT_CHECK_CS);

 if(socket == -1 )

 {

    DEBUGOUT("No free UDP sockets!! \r\n");

    RESET_SYSTEM();

 }

udp_open(socket,UDP_PORT);

 /* Creating message */

 for(i=0;i<12;i++)

  net_buf[UDP_APP_OFFSET+i]='a';

 /* Start sending message */

  while(1)

  {

    udp_send(socket,UDP_RMTHOST_IP,UDP_RMTHOST_PRT,net_buf,NETWORK_TX_BUFFER_SIZE,12);

  }

}