transmit.cpp

来自「SystemC可以由C语言直接开发硬件」· C++ 代码 · 共 61 行

/************************************************************************
 * file name:	transmit.cpp
 * description:	for test use.
 * modification history
 * --------------------
 * 2003-5-2 17:14:58, created by zhuwei
 */ 

/* includes----------------------------------------------------------- */
#include "transmit.h"

/* defines------------------------------------------------------------ */
/* typedefs----------------------------------------------------------- */
/* externs------------------------------------------------------------ */
/* globals------------------------------------------------------------ */
/* forward declarations----------------------------------------------- */

int transmit::get_data_fromApp() 
{
	int result;
	result = rand();
	cout <<"--------------------------\nGenerate:Sending Data Value = "<<result<< "\n";
	return result;
}

void transmit::send_data() 
{
	if (timeout) 
	{
		s.info = buffer;
		s.seq = framenum;
		s.retry = retry;
		retry++;
		tpackout = s;
		start_timer = true;
		cout <<"Transmit:Sending packet no. "<<s.seq<< "\n";
		//cout << "---Attention: " << tpackout.AsPacketType().seq << endl;  /* zhuwei (2003-5-14 14:58:05) */
	} 
	else 
	{
		packin = tpackin;
		if (!(packin == tpackold)) 
		{
			if (packin.seq == framenum) 
			{
				buffer = get_data_fromApp();
				framenum++;
				retry = 0;
			}
			tpackold = tpackin;
			s.info = buffer;
			s.seq = framenum;
			s.retry = retry;
			retry++;
			tpackout = s;
			start_timer = true;
			cout <<"Transmit:Sending packet no. "<<s.seq<< "\n";
		}
	}
}