main.c

S3C44B0控制ADS7843专用四线电阻控制芯片的

#include "44b.h"
#include "44blib.h"
#include "def.h"
#include"Lcdlib.h"
#include"LCDTest.h"
#include "glib.h"
#include "touch.h"
void AutoTest(void);
void Isr_Init(void);
void HaltUndef(void);
void HaltSwi(void);
void HaltPabort(void);
void HaltDabort(void);

#define M5D(n) ((n) & 0x1fffff)

#define ARRAY_SIZE_COLOR 		(SCR_XSIZE/1*SCR_YSIZE)

#define HOZVAL			(LCD_XSIZE/4-1)
#define HOZVAL_COLOR		(LCD_XSIZE*3/8-1)
#define LINEVAL			(LCD_YSIZE-1)
#define MVAL				(13)

#define CLKVAL_MONO 		(13)  //60Mhz, CLKVAL=19 ->78.6Hz
#define CLKVAL_G4 			(9)   //40Mhz, CLKVAL=9  ->110Hz
#define CLKVAL_G16 			(10)   //40Mhz, CLKVAL=10 ->101Hz
				      		//              9  ->112Hz	
#define CLKVAL_COLOR 		(10) //60Mhz 
void LcdInit(int color);

unsigned int (*frameBuffer256)[SCR_XSIZE/4];
#define MVAL_USED 0
void Lcd_Init(int depth)
{
        
              
	if((U32)frameBuffer256==0)
	{
	    //The total frame memory should be inside 4MB.
	    //For example, if total memory is 8MB, the frame memory 
	    //should be in 0xc000000~0xc3fffff or c400000~c7fffff.
	    //But, the following code doesn't meet this condition(4MB) 
	    //if the code size & location is changed..
	    frameBuffer256=(unsigned int (*)[SCR_XSIZE/4])malloc(ARRAY_SIZE_COLOR); 
	}

	rLCDCON1=(0)|(2<<5)|(MVAL_USED<<7)|(0x3<<8)|(0x3<<10)|(CLKVAL_COLOR<<12);
	    // disable,8B_SNGL_SCAN,WDLY=8clk,WLH=8clk,
	rLCDCON2=(LINEVAL)|(HOZVAL_COLOR<<10)|(10<<21);  
	    //LINEBLANK=10 (without any calculation) 
	rLCDSADDR1= (0x3<<27) | ( ((U32)frameBuffer256>>22)<<21 ) | M5D((U32)frameBuffer256>>1);
	    // 256-color, LCDBANK, LCDBASEU
	rLCDSADDR2= M5D((((U32)frameBuffer256+(SCR_XSIZE*LCD_YSIZE))>>1)) | (MVAL<<21);
	rLCDSADDR3= (LCD_XSIZE/2) | ( ((SCR_XSIZE-LCD_XSIZE)/2)<<9 );

	//The following value has to be changed for better display.

	rREDLUT  =0xfdb96420;
	rGREENLUT=0xfdb96420;
	rBLUELUT =0xfb40;

	rDITHMODE=0x0;
	rDP1_2 =0xa5a5;      
	rDP4_7 =0xba5da65;
	rDP3_5 =0xa5a5f;
	rDP2_3 =0xd6b;
	rDP5_7 =0xeb7b5ed;
	rDP3_4 =0x7dbe;
	rDP4_5 =0x7ebdf;
	rDP6_7 =0x7fdfbfe;

	rLCDCON1=(1)|(2<<5)|(MVAL_USED<<7)|(0x3<<8)|(0x3<<10)|(CLKVAL_COLOR<<12);
	    // enable,8B_SNGL_SCAN,WDLY=8clk,WLH=8clk,
    
}


/****************************************************************
   My first S344B0 Application
 ***************************************************************/

void Main(void)
{
        Port_Init();
        ChangePllValue( 88, 6, 1 );	                //晶振10MHz，修改系统主频为6倍频(60MHz)    
        rSYSCFG=CACHECFG;
        Delay(0); 
        Isr_Init();
        Uart_Init(0,57600);//初始化串口
    	Uart_Select(0);//选择串口号
   	    Delay(0); 		      
        Uart_Printf("\n\n\n\n\n\n\n*************************************************************************\n");
        Uart_Printf("\n    触摸屏测试实验\n");
        Uart_Printf("\n （Touch Screen Experiment）\n");
        Uart_Printf("\n  S3C44B0X Test Program Ver 0.00 rSYSCFG=0x%x MCLK=%dMHz",rSYSCFG,MCLK/1000000) ;
        Uart_Printf("\n  COM:57600bps,8Bit,NP,UART0");
        Uart_Printf("\n  Date: " __DATE__ "\n");//显示日期
  
        LcdColor256_Bmp( actable ) ;		//将位图显示到LCD屏上
        Test_Touch();                 //触摸屏测试程序
}	

void Isr_Init(void)
{
    pISR_UNDEF=(unsigned)HaltUndef;
    pISR_SWI  =(unsigned)HaltSwi;
    pISR_PABORT=(unsigned)HaltPabort;
    pISR_DABORT=(unsigned)HaltDabort;

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

    rINTMOD=0x0;	  // All=IRQ mode
    rINTMSK=BIT_GLOBAL;	  // 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);
}

void Quit(void)
{
    Uart_Printf("Programe end successfully.\n");
    while(1);
}



void ClearScreen(void)
{
    int i;
    for (i=0; i<24; i++)	
    Uart_Printf("\n");
}