/*#include    "platform.h"
#include    "eth.h"

#include    "enc28j60.h"

#include    "arp.h"
#include    "ip.h"*/

#include    "platform.h"
#include    "eth.h"
#include 	"enc28j60.h"
#include 	"ap.h"
#include 	"arp.h"
#include 	"icmp.h"
#include 	"ip.h"
#include 	"udp.h"
#include 	"stdlib.h"
#include 	"globals.h"


// _DEBUG=1;

                               //          S         P         I         N         E         T
const unsigned char myname[15] = {0x20,0x46,0x44,0x46,0x41,0x45,0x4A,0x45,0x4F,0x45,0x46,0x46,0x45,0x43,0x41}; // for "name services"
unsigned char buffer[BUFFER_SIZE];
unsigned char client[MAX_CLIENT][4];
unsigned int max_tcp_packet = 1050;

/* ==========================================================================
   přislo neco?
*/
void eth_proc(void) {
  unsigned int len;
  struct ETH_header *eth;
  eth = (struct ETH_header *) buffer;

  if ( (len = nic_rx()) ) {
		netbuf_read(buffer, len);                         // read buffer
	switch (eth->typelen) {
      case HTONS(ETHTYPE_ARP):                        // přišel ARP paket
 
        arp (len, buffer);
      	//uart_send("ARP\n");
		break;

      case HTONS(ETHTYPE_IP):                         // přišel IP paket
       
		ip_in(len);
      	//uart_send("IP\n");
		break;
	  
		//uart_send("unk\n");
    }
	
    nic_rx_free();
  }
}



/* ==========================================================================
   ethernet init
   - hardware
   - registers
*/
void eth_init (void) {
	unsigned char ccnt;

	//for (ccnt = 0; ccnt != 6; ccnt++) mymac[ccnt] = ReadWord(ccnt);
	//for (ccnt = 0; ccnt != 4; ccnt++) myip[ccnt] = ReadWord(ccnt + 8);
  for (ccnt = 0; ccnt <= MAX_CLIENT; ccnt++) client[ccnt][0] = 0;

  nic_init();
  nic_rx_free();
}



/* ==========================================================================
   swap mac address

void eth_my (unsigned char *buff) {
  unsigned char a;
 buff[0]=0x00;
buff[1]=0x16;
buff[2]=0x76;
buff[3]=0xda;
buff[4]=0x93;
buff[5]=0xf1;
buff[0]=0x08;
buff[1]=0x00;
buff[2]=0x27;
buff[3]=0xda;
buff[4]=0xbb;
buff[5]=0xe5;
buff[12]=0x08;
buff[13]=0x0;
  for (a = 0; a < 6; a++) {
      buff[a+6] = mymac[a];
  }
}  */

/* ==========================================================================
   swap mac address
*/
void eth (unsigned char *buff) {
  unsigned char a;
  for (a = 0; a < 6; a++) {
    buff[a] = buff[a + 6];
    buff[a+6] = mymac[a];
  }
}

void eth_my (unsigned char *buff) {
  unsigned char a;
  for (a = 0; a < 6; a++) {
    buff[a] = rem_mac[a];
    buff[a+6] = mymac[a];
  }
}


/* ==========================================================================
   check MAC address with broadcast
*/
unsigned char Checkbroadcast(void) {
  if (buffer[0] == 0xFF && buffer[1] == 0xFF && buffer[2] == 0xFF && buffer[3] == 0xFF && buffer[4] == 0xFF && buffer[5] == 0xFF)
		return 1;
	else
		return 0;
}


/*============================================================================
   function:    Checkmymac
   description: chack my MAC address
 ===========================================================================*/
unsigned char Checkmymac(void){
	unsigned char chtmp;

	for (chtmp = 0; chtmp != 6; chtmp++) {
		if (buffer[chtmp] != mymac[chtmp]) return 0;
	}
  return 1;
}