timer.cpp

SystemC可以由C语言直接开发硬件

/************************************************************************
 * file name:	timer.cpp
 * description:	for test use.
 * modification history
 * --------------------
 * 2003-5-3 9:23:11, created by zhuwei
 */ 

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

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

void timer::runtimer() 
{
	while (true) 
	{
		if (start) 
		{
			cout <<"Timer: timer start detected"<<endl;
			count = 5; // need to make this a constant
			timeout = false;
			start = false;
		} 
		else 
		{
			if (count > 0) 
			{
				count--;
				timeout = false;
			} 
			else 
			{
				timeout = true;
			}
		}

/*-------------------zhuwei add(2003-5-8 9:42:45)--------------------
When the wait() method is called without arguments, the calling thread process will
suspend. When one of the events in the sensitivity list is notified, the waiting 
thread process is resumed.

若指定了参数，则suspends the thread of execution until the event specified in the argument
occurs.
----------------------end(2003-5-8 9:42:45)------------------------*/
		wait();  
	}
}