main.c

这个程序是cstn演示程序

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

extern  void displaypicture(int startx,int starty,int index,int Clr );
extern unsigned int frameBuffer[76800];
void Isr_Init(void);
void HaltUndef(void);
void HaltSwi(void);
void HaltPabort(void);      
void HaltDabort(void);
void beep(char i)
{
rPCONE|=1<<10;

if(i==0)
rPDATE|=0x20;
if(i==1)
rPDATE&=~0x20;
}
void Main(void)
{
int i,j=0;
volatile unsigned *p=(volatile unsigned *)0xc500000;
    rSYSCFG=SYSCFG_8KB;

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

    Isr_Init();
    Port_Init();
DelayNS(5);
 rPDATC|=(1<<8);//close the display   
    Delay(0);  //calibrate Delay()
   
  
//displaybufferstart =malloc(76800+16);  


beep(1);

LCDIni();
/*
j=0;
for(i=0;i<76800;i++){

if(i>76800/2)
   
frameBuffer[i]=0x0;
//frameBuffer[i]=0x0;

else
frameBuffer[i]=0xc0c0c0c0;
//frameBuffer[i]=0x0ffff;
j=j+4;
}






/*
for(i=3;i<1023;i++){
LCDIni(i);
DelayNS(5);
}
*/
//IO0DIR|=LCDLIGHT;
//IO0SET|=LCDLIGHT;

DelayNS(1);



clrscr();
//for(i=0;i<10;i++)
  // for(j=0;j<10;j++)
    // DrawRectangle(20*j,0,40,40,RED);
//DrawXY(0,0,200,20,RED);
for(i=100;i<480;i++)
   for(j=0;j<640;j++)
   {
   if(i<480/4)
Lcd_PutPixel(j,i,BLUE);
 else  if(i>480*3/4)
Lcd_PutPixel(j,i,GREEN);
 else if(i>480*2/4&&i<480*3/4)
 Lcd_PutPixel(j,i,RED);

}
 //Test_LcdColor();
 
displaypicture(20,20,0,BLUE );
displaypicture(20,200,1,RED );
displaypicture(20,400,2,BLUE );



DelayNS(10);
while(1)

;

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.
}


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);
}