训练项目一：闪烁灯.c

来自「长沙理工自己的实验程序」· C语言 代码 · 共 61 行

/****************************************************************************
** File Name:          闪烁灯
** Createed By:        Wangchangsong
** Create Date:        07/24/2008
** Version:            1.0
** Descriptions:       led display
**
**---------------------------------------------------------------------------
** Modified By:
** Modified Date:
** Version:
** Descriptions:
**
****************************************************************************/

#include <iom128v.h>

/****************************************************************************
** Function Name:      timeDelay       
** Descriptions:       delay time
** Input Parameters:   uiTime
** Output parameters:  void
** Returned Value:     void
**---------------------------------------------------------------------------
****************************************************************************/
 
void TimeDelay(unsigned int  uiTime )   

{    
    unsigned int i = 0,j = 0;
	
    for (i = 0;i < uiTime;i++)
	{
        for (j = 0;j <2260;j++);
	}
 }
 
/****************************************************************************
** Function Name:      main
** Descriptions:       led display
** Input Parameters:   void
** Output parameters:  void
** Returned Value:     void
**---------------------------------------------------------------------------
****************************************************************************/
 
void main(void)  
{
    DDRB = ( 1<< PB1);                           /* PB0左移,有效           */
	
    while(1)                                     /* 死循环                 */
    {
        TimeDelay(20); 
		PORTB = ~PORTB;                          /* 取反                   */
                                 /* 延时                   */
    }
}

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