main.c

嵌入式LM3S69XX系列ARM单片机

/****************************************Copyright (c)****************************************************
**                            Guangzhou ZHIYUAN electronics Co.,LTD.
**                                      
**                                 http://www.embedtools.com
**
**--------------File Info---------------------------------------------------------------------------------
** File name:               main.c
** Latest modified Date:    2008-01-03
** Latest Version:          1.0
** Descriptions:            Luminary 工程模板
**
**--------------------------------------------------------------------------------------------------------
** Created by:              Zhao shimin
** Created date:            2008-01-03
** Version:                 1.0
** Descriptions:            The original version
**
**--------------------------------------------------------------------------------------------------------
** Modified by:             
** Modified date:           
** Version:                 
** Descriptions:            
**
*********************************************************************************************************/
#include "hw_ints.h"
#include "hw_memmap.h"
#include "hw_types.h"
#include "gpio.h"
#include "sysctl.h"
#include "cpu.h"
#include "interrupt.h"

#include "uip.h"
#include "uip_arp.h"
#include "network-device.h"
#include "httpd.h"
#include "timer.h"

#define BUF ((struct uip_eth_hdr *)&uip_buf[0])

/*********************************************************************************************************
** Function name:           main 
**
** Descriptions:            
**
** input parameters:        NONE
** output parameters:       NONE
**
** Returned value:          NONE
**
** Created by:              Zhao shimin
** Created Date:            2008/01/03
**--------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**--------------------------------------------------------------------------------------------------------
*********************************************************************************************************/ 
int main(void)
{
	int i;
	uip_ipaddr_t ipaddr;
	struct timer periodic_timer, arp_timer;
	
	timer_set(&periodic_timer, CLOCK_SECOND / 2);
	timer_set(&arp_timer, CLOCK_SECOND * 10);
	
	network_device_init();
	uip_init();
	
	uip_ipaddr(ipaddr, 192,168,1,200);
	uip_sethostaddr(ipaddr);
	
	httpd_init();
	
	while(1) {
		uip_len = network_device_read();
		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. */
				if(uip_len > 0) {
					uip_arp_out();
					network_device_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) {
					network_device_send();
				}
			}
			
		} else if(timer_expired(&periodic_timer)) {
			timer_reset(&periodic_timer);
			for(i = 0; i < UIP_CONNS; i++) {
				uip_periodic(i);
				/* 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) {
					uip_arp_out();
					network_device_send();
				}
			}
			
#if UIP_UDP
			for(i = 0; i < UIP_UDP_CONNS; i++) {
				uip_udp_periodic(i);
				/* 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) {
					uip_arp_out();
					network_device_send();
				}
			}
#endif /* UIP_UDP */
			
			/* Call the ARP timer function every 10 seconds. */
			if(timer_expired(&arp_timer)) {
				timer_reset(&arp_timer);
				uip_arp_timer();
			}
		}
	}
	return 0;
}
/*********************************************************************************************************
  END FILE
*********************************************************************************************************/