www.pudn.com > ARM9_PROGRAM.rar > stone.c

/***************************************** 
  NAME: stone.c 
  DESC: NAND Internal RAM test (4KByte) 
  HISTORY: 
  2002.03.07: ver 0.0 
  July 12, 2002 : Shin, On Pil 
 *****************************************/ 
 
#include "def.h" 
#include "option.h" 
#include "2410addr.h" 
#include "2410lib.h" 
#include "stone.h" 
 
 
void Test_ISram(void) 
{ 
    U32 i, j, error=0; 
    U32 *pStepSram=(void *)0x40000000; 
 
       
    for(i=0;i<0x1000/4;i++) 
	*(pStepSram+i)=0x0; 
	 
	 
 
    for(i=0;i<0x1000/4;i++) 
    { 
	    j=*(pStepSram+i); 
	    if(j!=0x0) 
	    { 
	        Uart_Printf("Error --> Address= 0x%8x  , Write= 0x0000000  , Read= 0x%8x\n",(pStepSram+i),j); 
	        error++; 
	    } 
//	    Uart_Printf("0"); 
    } 
     
//---------------------------------------------------------------------------------------------     
    for(i=0;i<0x1000/4;i++) 
	*(pStepSram+i)=0x55555555; 
 
	Uart_Printf("\nWaitting 1 Sec \n"); 
	Delay(10000); 
	Uart_Printf("Read Start\n"); 
 
    for(i=0;i<0x1000/4;i++) 
    { 
	    j=*(pStepSram+i); 
	    if(j!=0x55555555) 
	    { 
	        Uart_Printf("Error --> Address= 0x%8x  , Write= 0x55555555  , Read= 0x%8x\n",(pStepSram+i),j); 
	        error++; 
	    } 
//	    Uart_Printf("5");	     
    } 
      
//--------------------------------------------------------------------------------------------- 
    for(i=0;i<0x1000/4;i++) 
	*(pStepSram+i)=0xaaaaaaaa; 
 
	Uart_Printf("\nWaitting 1 Sec \n"); 
	Delay(10000); 
	Uart_Printf("Read Start\n"); 
 
    for(i=0;i<0x1000/4;i++) 
    { 
	    j=*(pStepSram+i); 
	    if(j!=0xaaaaaaaa) 
	    { 
	        Uart_Printf("Error --> Address= 0x%8x  , Write= 0xAAAAAAAA  , Read= 0x%8x\n",(pStepSram+i),j); 
	        error++; 
	    } 
//	    Uart_Printf("a");	     
    } 
 
//--------------------------------------------------------------------------------------------- 
    for(i=0;i<0x1000/4;i++) 
	*(pStepSram+i)=0xffffffff; 
 
	 
 
    for(i=0;i<0x1000/4;i++) 
    { 
	    j=*(pStepSram+i); 
	    if(j!=0xffffffff) 
	    { 
	        Uart_Printf("Error --> Address= 0x%8x  , Write= 0xFFFFFFFF  , Read= 0x%8x\n",(pStepSram+i),j); 
	        error++; 
	    } 
//	    Uart_Printf("f"); 
    } 
 
    if(error) 
	    Uart_Printf("\nFailed Total Count : %3d\n",error);    
    else 
	    Uart_Printf("\nInternal Stepping Stone is OK.\n"); 
}