consumer.h

systemc源码

/************************************************************************
 * file name:		consumer.h
 * description:
 *
 * modification history
 * --------------------
 * 2003-7-8 14:10:59, created by zhuwei
 */ 

#ifndef _CONSUMER_H
#define _CONSUMER_H

/* includes----------------------------------------------------------- */
#include  <assert.h>
#include "config.h"

/* defines------------------------------------------------------------ */
/* typedefs----------------------------------------------------------- */
struct consumer: sc_module
{
	sc_in<bool>		clk, reset, fifo_empty;
	sc_in<int>		din;
	sc_out<bool>	ren;
	
	// internal variables
	
	// process function
	void run()
	{
		while(true)
		{
			wait();
			
			if(reset.read() || fifo_empty.read())
			{
				ren = false;
				continue;
			}
			
			assert(CLK_CYCLE > 2);
			
			wait(2, SC_NS);
			ren = true;
			cout << "fifo out: " << din << endl;
			
			wait(CLK_CYCLE-2, SC_NS);
			ren = false;
			
		}
	}

	// Constructor
	SC_CTOR(consumer) 
	{
		SC_THREAD(run);
		sensitive_neg << clk;
	}
};

/* externs------------------------------------------------------------ */
/* globals------------------------------------------------------------ */
/* forward declarations----------------------------------------------- */

#endif /* _CONSUMER_H */