main.c

周立功2103开发板CD资料

/****************************************Copyright (c)**************************************************
**                               Guangzhou ZHIYUAN electronics Co.,LTD.
**                                 http://www.zyinside.com
**
**--------------File Info-------------------------------------------------------------------------------
** File name:           main.c
** Last modified Date:  2006-02-22
** Last Version:        1.0
** Descriptions:        header file of the specific codes for LPC2200 target boards
**              Every project should include a copy of this file, user may modify it as needed
**------------------------------------------------------------------------------------------------------
** Modified by: 
** Modified date:
** Version: 
** Descriptions: 
**
********************************************************************************************************/

#define IN_MAIN
#include "config.h"
#include "RTC.h"
#pragma import(__use_no_semihosting_swi)        //don't delete this line

#define BEEP 1<<7    //P0.7控制蜂鸣器

/*********************************************************************************************************
** Function name:			IRQ_Exception
**
** Descriptions:			interrupt exceptional handler , change it as needed
**                          don't delete this function 
** input parameters:		None
** Returned value:			None
**         
**
** Created by:				Chenmingji
** Created Date:			2006/02/22
**-------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
void  IRQ_Exception(void)
{
}

/*********************************************************************************************************
**函数名称:   Main
** 功能描述:  利用RTC唤醒CPU
********************************************************************************************************/
void Main(void)
{
    TargetInit(VPBDIV_DATA, PLLCFG_DATA, MAMTIM_DATA);      // don't delete
    while((PLLSTAT & (1 << 10)) == 0);                      // can delete
    
	PINSEL0 = 0;
    IO0DIR = BEEP;
    IO0SET = BEEP;
    
    RTCInit(1);				//使用外部32.768KHZ晶振作为RTC的时钟源
    CIIR = 0x01;			//设置秒值的增量产生一次中断
    INTWAKE = 1<<15;	    //使能RTC唤醒CPU
    
    while(1)
    {
       PCON = 0x02;	                  //CPU进入掉电模式
       ILR = 0x01;					  //清除增量中断标志
       
       /*取反BEEP状态*/
       if((IO0SET & BEEP) == 0) 
       {
            IO0SET = BEEP;
       }
       else
       {
            IO0CLR = BEEP;
       }   
        
    } 

}


/*********************************************************************************************************
**                            End Of File
********************************************************************************************************/