tftpput.c

cf8020+cp2200(网络)的驱动实现

#include "net.h"
#include "eth.h"
#include "ip.h"
#include "udp.h"
#include "tftp.h"
#include "utils.h"
#include "tcpserver.h"
#include "tcp.h"
extern CONNECTION  conxn[];
 
extern ulong  my_ipaddr;
extern char  text[];
extern UCHAR  rcve_buf_allocated;
extern UCHAR  debug;
int count=0;

int tftp_put(char* inbuf, int buflen)
{
	int i;
	UCHAR* outbuf;
   {
   for (i=0; i < 5; i++)
   {
      //轮询5个连接, 如有效，则发送数据；
      if (conxn[i].ipaddr!=0 && (conxn[i].state==STATE_ESTABLISHED))
      {   
		   outbuf = TX_BUFF;
		   if (outbuf == 0)
		   {
			   return 0;
		   }
		   
		   memcpy(outbuf + 54, inbuf, buflen);
		   
		   tcp_server_send(outbuf, 20 + buflen, i);			   
		   
		   conxn[i].my_sequence += buflen;
      }       
   }
    count = 0;
   }
  return 0;
}