isr.c

2005年全国大学生电子设计竞赛论文集

/*****************************************************************************/

#include <SPCE061V004.H>
#include "ISR.h"

unsigned int IS2=0;
unsigned int Time_Consume=0;
extern Setting;
extern Change1,k,j;
void BREAK( void )
{
}

__asm(".external F_FIQ_Service_SACM_S480");
void FIQ( void )
{
     if(*P_INT_Ctrl&0x2000) //定时器A中断 
        {
           *P_INT_Clear=C_FIQ_TMA;
            __asm("call F_FIQ_Service_SACM_S480"); //调用A2000中断服务函数 
        } 
     else if(*P_INT_Ctrl&0x0800) //定时器B中断
         *P_INT_Clear=C_FIQ_TMB;
     else //PWM中断 
          *P_INT_Clear=C_FIQ_PWM;

}
void IRQ0( void )
{
}

void IRQ1( void )
{
  /*	if(*P_INT_Ctrl & C_IRQ1_TMA )
	{	
	     *P_INT_Clear =C_IRQ1_TMA;
	     {
	         Step_Out( );
	      }
	 }		
    */	    
}

void IRQ2( void )
{
}

void IRQ3( void )
{
	if( *P_INT_Ctrl & C_IRQ3_KEY )
	{
	        *P_INT_Clear = C_IRQ3_KEY ;		
	}
	else if( *P_INT_Ctrl & C_IRQ3_EXT1 )
	{
		unsigned int i;
		*P_INT_Clear = C_IRQ3_EXT1 ;
		i=*P_IOB_Data|0xfffb;
		Delay(3000);
		if(i==(*P_IOB_Data|0xfffb));
		{
		    Setting=1;
		    Change1=0;
		    j=1;
		    k=1;
		    *P_INT_Ctrl=*P_INT_Mask&(~C_IRQ5_2Hz);
		   
		 }
	}
	else if( *P_INT_Ctrl & C_IRQ3_EXT2 )
	{
		*P_INT_Clear = C_IRQ3_EXT2 ;
	}
}

void IRQ4( void )
{
    if(*P_INT_Ctrl&C_IRQ4_1KHz)
    {
        *P_INT_Clear=C_IRQ4_1KHz;
    }
}

void IRQ5( void )
{
	if(*P_INT_Ctrl&C_IRQ5_2Hz)
	{	 
		*P_INT_Clear=C_IRQ5_2Hz; 
		if(IS2==1)
		{
			IS2=0;
			Time_Consume++;
			LCD_Display(16,Time_Consume/100+0x0030);
			LCD_Display(17,Time_Consume%100/10+0x0030);
			LCD_Display(18,Time_Consume%10+0x0030);
		}
		else if(IS2==0)
			IS2=1;
		
	}
	else if(*P_INT_Ctrl&C_IRQ5_4Hz)
	{
		*P_INT_Clear=C_IRQ5_4Hz;	
	}
}
   
void IRQ6( void )
{
}

void IRQ7( void )
{
}