main.c

来自「网络单片机 让嵌入式系统上网,基于keil C. 文件名:microweb-ke」· C语言 代码 · 共 106 行

// ***************************************************************************
// An 8051 Based Web Server
// main.c: main source code file
// By Mason Kidd 3/7/02
// ***************************************************************************

#include <reg515.h>
#include <string.h>
#include "csio.h"
#include "packets.h"
#include "lcd_disp.h"
#include "keypad.h"
#include "arp.h"
#include "ip.h"
#include "icmp.h"
#include "udp.h"
#include "tcp.h"

#define ICMP_ECHO_LEN 32

unsigned char myMAC[6] = {0x00,0x08,0x07,0x06,0x05,0x04};
unsigned char myIP[4] = {192,168,1,1};
unsigned char targetIP[4] = {192,168,1,2};
unsigned char targetMAC[6] = {0x00,0xa0,0x24,0x66,0xda,0x3f};
unsigned char srcMAC[6] = {0,0,0,0,0,0};
unsigned char srcIP[4] = {0,0,0,0};
unsigned char tmp_mac[6];
unsigned char tmp_ip[4];
unsigned char myBCAST[4] = {255,255,255,255};

unsigned char rx_ip_type;
unsigned char rx_buf[BUF_LEN];
unsigned int rx_buf_len;
unsigned int rx_packet_type;

void main(void)
{	
	unsigned char cTest;
	unsigned char cKey;
	struct eth_hdr *rx_eth_hdr = (struct eth_hdr *)rx_buf;
	bit bEvent = 0;
	unsigned char i = 0;
	unsigned char szSendData[ICMP_ECHO_LEN];
	
	lcdinit();
	kbdinit();
	tcp_init();
	cTest = cs_test();
	cs_init(&myMAC);

	for (i = 0; i < (ICMP_ECHO_LEN / 4);)
	{
		szSendData[i++] = 0xDE;
		szSendData[i++] = 0xAD;
		szSendData[i++] = 0xBE;
		szSendData[i++] = 0xEF;
	}
       
	while (1)
	{
		cKey = keypress;
 		switch (cKey)
  		{
   			case ('1'):
   	 			tx_icmp_packet(ICMP_ECHO, szSendData, ICMP_ECHO_LEN);
   	   			keypress = 0;
   	    		     cKey = 0;
   	   			break;
			default:
  				cKey = 0;
   	 			break;   	    		
   		}

		bEvent = rx_event_poll();
 		if (bEvent == 1)
  		{
			rx_buf_len = rx_packet(&rx_buf);
			if (rx_buf_len != 0)
			{
				rx_packet_type = rx_eth_hdr->type;
				switch (rx_packet_type)
				{
					case ETHER_IP:
						rx_ip_type = rx_ip_packet(&rx_buf);
						switch (rx_ip_type)
						{
							case IP_ICMP:
								rx_icmp_packet(&rx_buf);
								break;
							case IP_UDP:
								rx_udp_packet(&rx_buf);
								break;
							case IP_TCP:
								rx_tcp_packet(&rx_buf);
								break;
						}
   	 					break;
					case ETHER_ARP:
						rx_arp_packet();
						break;
				}
			}
		}
	}
}