palette.c

2410开发测试程序

/*****************************************
	NAME: palette.c
	DESC: LCD palette RAM test 
	HISTORY:
	July 12, 2002 : Shin ,On Pil --> Error message display detailed address position.
 *****************************************/
#include <string.h>
 #include "def.h"
#include "option.h"
#include "2410addr.h"
#include "2410lib.h"
//#include "2410slib.h" 
#include "palette.h"

static void MarchCMinusM(int address,int unit,unsigned int pattern,unsigned int mask);
static void _MarchSub1M(unsigned int *pt,int unit,unsigned int pattern,int incdec,unsigned int mask);

int marchError;

void Test_PaletteMemory(void)
{
	Uart_Printf("Palette RAM test by March C-\n");
	
	marchError=0;

	*((U32 *)PALETTE)=0x1234;
	Uart_Printf("data = %x\n",*((U32 *)PALETTE));
	
	//00->01->11<->10

	//Data cache should be turned off.
	
	MarchCMinusM(PALETTE,255,0x33333333,0xffff);
	MarchCMinusM(PALETTE,255,0x55555555,0xffff);	
	MarchCMinusM(PALETTE,255,0x0000ffff,0xffff);
	MarchCMinusM(PALETTE,255,0x00ff00ff,0xffff);
	MarchCMinusM(PALETTE,255,0x0f0f0f0f,0xffff);
	MarchCMinusM(PALETTE,255,0xffffffff,0xffff);	
	Uart_Printf("P-RAM is tested.\n");
}


static void MarchCMinusM(int address,int unit,unsigned int pattern,unsigned int mask)
{
	int i;
	unsigned int *tempPt;
	
	tempPt=(unsigned int *)address;
	
	for(i=0;i<=unit;i++)
	{
//		Uart_Printf("P= 0x%8x	: ",pattern);
//		*tempPt++=pattern;
//		Uart_Printf("A= 0x%8x,	P= 0x%8x\n",tempPt,*tempPt);
		*tempPt=pattern;
		tempPt+=1;
	}
	
	Uart_Printf("\nWaitting 1 Sec\n");
	Delay(10000);
	Uart_Printf("Start\n");
	
	_MarchSub1M((unsigned int *)address,unit,~pattern,1,mask);
	_MarchSub1M((unsigned int *)address,unit,pattern,1,mask);
	_MarchSub1M((unsigned int *)address+(unit*1),unit,~pattern,-1,mask);
	_MarchSub1M((unsigned int *)address+(unit*1),unit,pattern,-1,mask); 
	
	tempPt=(unsigned int *)address;
	for(i=0;i<=unit;i++)
	{
	
		if( (mask & *tempPt)!=(pattern&mask) )
		{
			marchError=1;
//			Uart_Printf("ERROR0 : RA= 0x%8x,	RP= 0x%8x\n",tempPt,*tempPt);
			Uart_Printf("ERROR0 : Address= 0x%8x,	Write= 0x%8x,	Read= 0x%8x\n",tempPt,pattern,*tempPt);			
		}
//		Uart_Printf("RA= 0x%8x,	RP= 0x%8x\n",tempPt,*tempPt);
		tempPt+=0x1;		
	}
	tempPt-=0x1;
//	Uart_Printf("Address= 0x%8x,	Write= 0x%8x,	Read= 0x%8x\n",tempPt,pattern,*tempPt);
}

static void _MarchSub1M(unsigned int *pt,int unit,unsigned int pattern,int incdec,unsigned int mask)
{
	unsigned int i,rp;
//	unsigned int *pt2=pt;
	
	for(i=0;i<=unit;i++)
	{
		rp=*pt;
		//Uart_Printf("RP=%x",*pt);
		*pt=pattern;
		//Uart_Printf("j=%x,p=%x,pt=%x\n",rp,(~pattern),pt);
		if( (mask&rp)!=(mask&(~pattern)) )
		{
			marchError=1;
//			Uart_Printf("ERROR1 : Address= 0x%8x,	Write= 0x%8x,	Read= 0x%8x	pt2= 0x%8x \n",pt,(~pattern),rp,pt2);
			Uart_Printf("ERROR1 : Address= 0x%8x,	Write= 0x%8x,	Read= 0x%8x\n",pt,(~pattern),rp);			
		}
		pt+=incdec;
//		Uart_Printf(".");
	}
}