void nicInit(void)
{
uint8_t macaddr[6];
W51_init();
macaddr[0] = ETHADDR0;
macaddr[1] = ETHADDR1;
macaddr[2] = ETHADDR2;
macaddr[3] = ETHADDR3;
macaddr[4] = ETHADDR4;
macaddr[5] = ETHADDR5;
nicSetMacAddress(macaddr);
socket(MACRAW_SOCKET, W5100_SKT_MR_MACRAW, 0x00, 0x00);
}
int main(void){
init_uart();
uint16_t packet_length, rxstat;
uart_puts("beginning startup procedure\r\n");
/*ENC Initialisieren*/
enc28j60Init();
uart_puts("initialization finished\r\n");
//Mac Adresse setzen(stack.h, dort wird auch die Ip festgelegt)
nicSetMacAddress(mymac);
uart_puts("mac address set\r\n");
/* Leds konfigurieren
LEDA : Link status
LEDB : Receive activity
Led Settings : enc28j60 datasheet, page 11*/
enc28j60PhyWrite(0x14,0b0000010000100000);
/* Leds konfigurieren
LEDA : Link status
LEDB : Blink Fast
Led Settings : enc28j60 datasheet, page 11
Auskommentieren, wenn mans lieber blinken sieht ;-) */
//enc28j60PhyWrite(0x14,0b0000010000100000);
while(1) {
// Buffer des Enc's abhohlen :-)
packet_length = enc28j60PacketReceive(BUFFER_SIZE, buffer, &rxstat);
// Wenn ein Packet angekommen ist, ist packet_length =! 0
if(packet_length) {
packet_length -= 4;
struct ETH_frame *frame = (struct ETH_frame *) buffer;
frame->type_length = ntohs(frame->type_length);
// arping uses unicast after the first by default, but we don't care because performance
if(/*(*/rxstat&BROADCAST_BIT /*|| compare_macs(frame->destMac, (uint8_t *) mymac))*/ && frame->type_length == TYPE_ARP) {
struct ARP_packet *arp_pkt = (struct ARP_packet *) frame->payload;
if(compare_ips(arp_pkt->destIp, (uint8_t *) myip)) {
arp(packet_length, buffer);
}
continue;
}
if(compare_macs(frame->destMac, (uint8_t *) mymac)) {
if(frame->type_length == TYPE_IP4) {
struct IP_segment *ip = (struct IP_segment *) frame->payload;
if(ip->protocol == TYPE_ICMP) {
icmp(packet_length, buffer);
continue;
} else if(ip->protocol == TYPE_UDP) {
struct UDP_packet *pkt = (struct UDP_packet *) ip->payload;
pkt->destPort = pkt->destPort;
pkt->sourcePort = pkt->sourcePort;
if(pkt->destPort == ntohs(7)) {
udp(htons(pkt->length), buffer);
continue;
}
if(pkt->destPort == ntohs(85) && compare(pkt->data, "test")) {
printinbuffer(pkt->data, "Test erfolgreich!", TERMINATE);
udp(18, buffer);
continue;
}
if(pkt->destPort == ntohs(86)) {
uart_puts((char*) pkt->data);
uart_puts("\r\n");
continue;
}
} else if(ip->protocol == TYPE_TCP) {
uart_puts("received tcp package!\r\n");
#if DEBUG
hexdump(ip, 256);
#endif
struct TCP_segment *tcp = (struct TCP_segment *) ip->payload;
if(tcp->sourcePort == ntohs(7)) {
}
}
}
}
}
}
return 1;
}
int main(void)
{
unsigned int num_bytes ;
WDTCTL = WDTPW + WDTHOLD ;
Init_CLK() ;
Init_PSPI() ;
P9DIR |= IrDA_OUT;
P9OUT &=~IrDA_OUT;
MAIN_POWER_ON ;
/*
for(;;){
for(i=0;i<40;i++)
{
P9OUT |= IrDA_OUT;
__delay_cycles(20000);
P9OUT &=~IrDA_OUT;
__delay_cycles(20000);
}
__delay_cycles(5000000);
}
*/
/*
for(;;){
for(j=0;j<40;j++){
for(i=0;i<50;i++)
{
P9OUT &=~IrDA_OUT;
__delay_cycles(270);
P9OUT |= IrDA_OUT;
__delay_cycles(270);
}
__delay_cycles(20000);
}
__delay_cycles(5000000);
}
*/
myNode.node.ip = IP4_ADDR(103,1,168,192) ;
myNode.node.mask = IP4_ADDR(0,255,255,255) ;
myNode.node.gate = IP4_ADDR(1,1,168,192) ;
myNode.node.mac[0] = 0x00 ;
myNode.node.mac[1] = 0x60 ;
myNode.node.mac[2] = 0x97 ;
myNode.node.mac[3] = 0x48 ;
myNode.node.mac[4] = 0xF4 ;
myNode.node.mac[5] = 0xAB ;
encInit() ;
nicSetMacAddress() ;
encPhyWrite(0x14,0x0470) ;
arptab_init() ;
ENC_SLEEP() ;// TEST
ENC_WAKEUP();// TEST
while(1)
{
num_bytes = encPacketReceive(&rxdnetbuf);
if(num_bytes > 0)
{
if(rxdnetbuf.etherframe.protocal==ARP_PACKET) // 收到一个AR请求包
{
if(rxdnetbuf.arpframe.operation==0x0100)
arp_answer() ; // ARP request,处理arp数据包
else if(rxdnetbuf.arpframe.operation==0x0200)
arp_process() ; // ARP answer
}
else if( (rxdnetbuf.etherframe.protocal == IP_PACKET) // 收到一个IP包
&& ((rxdnetbuf.ipframe.verandihl&0xf0) == 0x40) // IP V4
&& (rxdnetbuf.ipframe.destip[0] == myNode.nodebytes.ipbytes[0])
&& (rxdnetbuf.ipframe.destip[1] == myNode.nodebytes.ipbytes[1])
&& (rxdnetbuf.ipframe.destip[2] == myNode.nodebytes.ipbytes[2])
&& (rxdnetbuf.ipframe.destip[3] == myNode.nodebytes.ipbytes[3]))
{
arp_ip_mac() ;
if(rxdnetbuf.ipframe.protocal == 1) // ICMP
{
if(rxdnetbuf.icmpframe.type == 8) // ECHO
ping_answer() ;
}
else if(rxdnetbuf.ipframe.protocal == 17) // UDP
{
// net_udp_rcv() ;
_NOP();
// Clear_UPD_Buf() ;
}
/*
else if(rxdnetbuf.ipframe.protocal == 6) // TCP
tcp_rcve(&rxdnetbuf) ;
updatearptab() ;
*/
}
}
}
}