main.c

ADS的I／O口控制LED灯例子.rar

#include "..\inc\option.h"
#include "..\inc\def.h"
#include "..\inc\44b.h"
#include "..\inc\44blib.h"

void Isr_Init(void);
void HaltUndef(void);
void HaltSwi(void);
void HaltPabort(void);      
void HaltDabort(void);

int main(void)
{

    rSYSCFG=SYSCFG_8KB;
#if (PLLON==1)
    ChangePllValue(PLL_M,PLL_P,PLL_S);
#endif

    Isr_Init();
    Port_Init();
    Uart_Init(0,115200);
    Uart_Select(0);
    Delay(0);  //calibrate Delay()
    Led_Display(7);
    Delay(1000);  //calibrate Delay()
    Led_Display(0);
    Delay(5000);  //calibrate Delay()
    Led_Display(7);
    Uart_Printf("\n start \n");
     while(1)
    {
	    Delay(5000);  //calibrate Delay()
	    Led_Display(1);
	    Delay(5000);  //calibrate Delay()
	    Led_Display(2);
	    Delay(5000);  //calibrate Delay()
	    Led_Display(4);
    }
}

void Isr_Init(void)
{
    U32 i;
    
    pISR_UNDEF=(unsigned)HaltUndef;
    pISR_SWI  =(unsigned)HaltSwi;
    pISR_PABORT=(unsigned)HaltPabort;
    pISR_DABORT=(unsigned)HaltDabort;
    
     for(i=_RAM_STARTADDRESS;i<(_RAM_STARTADDRESS+0x20);i+=4)
    {
	*((volatile unsigned *)i)=0xEA000000+0x1FFE;
    }

    rINTCON=0x5;	  // Non-vectored,IRQ enable,FIQ disable    

    rINTMOD=0x0;	  // All=IRQ mode
    rINTMSK|=BIT_GLOBAL|BIT_EINT3;	  // All interrupt is masked.
}

U32 pIrqStart, pIrqFinish, pIrqHandler;

void HaltUndef(void)
{
    Uart_Printf("Undefined instruction exception!!!\n");
    while(1);
}

void HaltSwi(void)
{
    Uart_Printf("SWI exception!!!\n");
    while(1);
}

void HaltPabort(void)
{
    Uart_Printf("Pabort exception!!!\n");
    while(1);
}

void HaltDabort(void)
{
    Uart_Printf("Dabort exception!!!\n");
    while(1);
}