main.c

51单片机的Web Server代码

#include "uip.h"
#include "uip_arch.h"
#include "uip_arp.h"
#include "slipdev.h"
#include "httpd.h"

#include "my.h"
#include "serial.h"

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

unsigned char msec=0;//10毫秒钟
unsigned char sec=0;//秒钟
unsigned char min=0;//分钟

bit double_second=0;

sbit tcpled=P1^0;

//工作在16位定时模式,中断时间为10毫秒中断一次,误差小于千分之1,晶振使用22.1184Mhz
void timer0() interrupt 1 
{
	tl0=9;
	th0=184;
	msec++;
	if(msec==100) //100分频,就是1秒一次
	{     
		msec=0;
		sec++;
		double_second=1;
		if(sec==60)
		{
			sec=0;//每分钟一次
			min++;
			if(min==60)
				min=0;
		}
	}
}

void timer0_init()
{
	timer0_mode_16bit;
	th0=0;tl0=0; 
	timer0_run;
}

void interrupt_init(void)
{
	timer2_interrupt_disable;
	timer0_interrupt_enable;
	timer1_interrupt_disable;
	int0_interrupt_disable;
    // timer0_priority_high;
	int1_interrupt_disable;
	serial_priority_high;
	serial_interrupt_enable;    
	int0_mode_hightolow;
	int0_priority_low;
}

/*-----------------------------------------------------------------------------------*/
void
main(void)
{
	u8_t i;
	//u16_t ii;

	/*以下为单片机初始化  */
	timer0_init();/*定时器初始化*/
	serial_init();/*串口初始化*/
	interrupt_init();/*中断初始化*/
	
	putstring("8051 TCP/IP stack and web server running\n");
	
	uip_init();
	httpd_init();
	
	slipdev_init();
	tcpled = 0;

	modem_request();
    modem_reply();
	
	while(1) 
	{
    /* Let the tapdev network device driver read an entire IP packet
	into the uip_buf. If it must wait for more than 0.5 seconds, it
	will return with the return value 0. If so, we know that it is
	time to call upon the uip_periodic(). Otherwise, the tapdev has
		received an IP packet that is to be processed by uIP. */
		uip_len = slipdev_read();
		if(uip_len > 0) 
		{
			tcpled = 1;
			uip_process(UIP_DATA);
      		if(uip_len > 0)
	    		slipdev_send();
      	}
		tcpled = 0;
		if(double_second)
		{
			double_second = 0; 
			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();
					slipdev_send();
				}
			}
		}
	}
}
/*-----------------------------------------------------------------------------------*/