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

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

void Main(void)
{
    U8 aa;		

    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");
    Uart_Printf("\nHello,FS44B0X!");

    Uart_Printf("\nPlease Press 'a'or'b'or'c'");

     while(1)
    {
	    aa= Uart_Getch();
	    switch(aa)
	        {
	    	case 'a':
	    	    Uart_Printf("\nYou Pressed 'a'");
	    	    Led_Display(0x1);
	    	    break;
	    	case 'b':
	    	    Uart_Printf("\nYou Pressed 'b'");
	    	    Led_Display(0x2);
	    	    break;
	    	case 'c':
	            Uart_Printf("\nYou Pressed 'c'");
	    	    Led_Display(0x4);
	    	    break;
	    	case 0x1b:
	    	    Led_Display(0x0);
	    	    break;
	    	default :
	    	    break;
	        }
    }
}

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=0x1;	  // Vectored Int. IRQ enable,FIQ disable    
    rINTCON=0x5;	  // Non-vectored,IRQ enable,FIQ disable    

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


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);
}