/****************************************Copyright (c)****************************************************
**                         Guangzhou ZHIYUAN electronics Co.,LTD.                               
**                                     
**                               http://www.embedtools.com
**
**--------------File Info---------------------------------------------------------------------------------
** File name:			main.c
** Last modified Date:  2004-09-16
** Last Version:		1.0
** Descriptions:		The main() function example template
**
**--------------------------------------------------------------------------------------------------------
** Created by:			Chenmingji
** Created date:		2004-09-16
** Version:				1.0
** Descriptions:		The original version
**
**--------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
** Version:
** Descriptions:
** 
*********************************************************************************************************/
#include "main.h"

#define  BEEP		(1 << 7)   	                                    	/* 设置蜂鸣器输出口   			*/

/*********************************************************************************************************
** Function name:           delayNs
**
** Descriptions:            延时
**
** input parameters:        Ns : 延时参数
** output parameters:       None
** Returned value:          None
**
** Created by:              
** Created Date:            
**--------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**--------------------------------------------------------------------------------------------------------
*********************************************************************************************************/
void delayNs(uint32 Ns)
{
    uint32 i = 0;
   
    for (; Ns; Ns--) {
   
	    for (i = 0; i < 1000; i++);
    }	
}

/*********************************************************************************************************
** Function name:           main
**
** Descriptions:            主函数，请在调试前短接蜂鸣器跳线帽
**
** input parameters:        None
** output parameters:       None
** Returned value:          None
**
** Created by:              
** Created Date:            
**--------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**--------------------------------------------------------------------------------------------------------
*********************************************************************************************************/
int main (void)
{ 
    TargetInit();
    while(1) {
        P3_OUTP_SET |= BEEP;
        delayNs(100);
        P3_OUTP_CLR |= BEEP;
        delayNs(100);
    }
     
    
}  

/*********************************************************************************************************
  END FILE
*********************************************************************************************************/