memory_test.c

Embest EudKit-II教学系统配Samsung S3C2410处理器的部分测试程序。

/*********************************************************************************************
* File：	memory.c
* Author:	embest
* Desc：	memory test file
* History:	
*********************************************************************************************/

/*------------------------------------------------------------------------------------------*/
/*                                     include files	                                    */
/*------------------------------------------------------------------------------------------*/
#include "2410lib.h"

/*********************************************************************************************
* name:		memory_test
* func:		memory test
* para:		none
* ret:		none
* modify:
* comment:		
*********************************************************************************************/
void memory_test(void)
{
    int i;
    int nMemError=0;
    UINT32T nData,nTestStart,nTestEnd;
    UINT32T *pPt;
    UINT32T *pSrcPt=0;
    UINT8T szBuf[40];
    
	uart_printf("\n Memory Access Test Example\n");
    // memory test
	uart_printf(" Enter a start address of ram to test(0x3...):"); 
#ifdef BOARDTEST
	nTestStart = 0x30200000;
#else
	nTestStart = uart_getintnum(); 
#endif
	uart_printf(" Enter a end address of ram to test(0x3...):");
#ifdef BOARDTEST
	nTestEnd = 0x30400000;
	print_lcd(195,170,0x1c,"Memory writing...");	
#else
	nTestEnd = uart_getintnum();     
#endif
	uart_printf(" Memory Test(%xh-%xh):WR",nTestStart,nTestEnd);

    pPt=(UINT32T *)(nTestStart);
    while((UINT32T)pPt<(nTestEnd))
    {
		nData = *pSrcPt++;
		*pPt  = nData;			// write something to test
		pPt++;
	}

    uart_printf("\b\bRD");
#ifdef BOARDTEST
	print_lcd(195,180,0x1c,"Memory Reading...");	
#endif
    pPt=(UINT32T *)(nTestStart);
	
    while((UINT32T)pPt<(nTestEnd))
    {
		nData = *pSrcPt++;
		if(nData - (*pPt))
		{
		    nMemError=1;
		    sprintf(&szBuf, "MemTest FAIL:0x%x=0x%x\n",i,nData);
		    break;
		}
		pPt++;
	}

    if(nMemError==0)
		sprintf(&szBuf, "MemTest O.K.\n");
    
    uart_printf(szBuf);
#ifdef BOARDTEST		
	print_lcd(195,190,0x1c,&szBuf);	
#endif
	uart_printf(" end.\n");
}