main.c

LPC2292 RAM TEST SAMPLE

#include "config.h"
#include "LPC2294.h"
#include  "serial.h"
#include <string.h>
#include <stdio.h>
#include <stdlib.h>

uint8 pbyBuf[10];
const	uint8	error[]={"err\n",};
const	uint8	RAMOK[]={"RAMOK\n"};
uint8	d = 0;
#define	RAMADDRBASE	0x80000000
int HexToChar(unsigned long dwVal, unsigned char* pbyVal)
{
	unsigned char byTemp = 0;
	unsigned int uiLp = 0;
	for(uiLp=0; uiLp<8; uiLp++)
	{
		byTemp = (dwVal>>((7-uiLp)*4))&0x0F;
		if(byTemp <= 9)
		{
			*(pbyVal+uiLp) = byTemp + '0';
		}
		else if(byTemp <= 15)
		{
			*(pbyVal+uiLp) = byTemp - 10 + 'A';
		}
		else
		{
			return FALSE;
		}
	}
	return TRUE;
	
}
unsigned char g_byTest = 0;
int main(void)
{
	//uint8 a[2]={0};
	//uint8 e=0x55;
	uint32	RAMAddr, c;
	
	
	UARTMODE  uart_set;
	//unsigned char i;
	//unsigned char buf_485[64];
	//unsigned char buf_length =0;
		
	uart_set.datab = 8;                 // 8位数据位
	uart_set.stopb = 1;                 // 1位停止位
	uart_set.parity = 0;                // 无奇偶校验
	SerPort_Open(COM1, 9600, uart_set);
	//SerPort_Open(COM2, 57600, uart_set);

	for(RAMAddr=0;RAMAddr<0X1000000;RAMAddr++)
	{
		*((volatile unsigned char*)(RAMADDRBASE+RAMAddr)) = 0x55;//e;
	}
	
	/*
	for(RAMAddr=0;RAMAddr<0X1000000;RAMAddr++)
	{
		*((volatile unsigned char*)(RAMADDRBASE+RAMAddr)) = (unsigned char)0X55;//e;
	}
	
	*/
	
	for(RAMAddr=0;RAMAddr<0X1000000;RAMAddr++)
	{
		g_byTest =	*((volatile unsigned char*)(RAMADDRBASE+RAMAddr));
		if((g_byTest != (unsigned char)0X55))//e)
		//if(*((unsigned char*)(RAMADDRBASE+RAMAddr)) == (unsigned char)0XAA)//e)
		{
			*pbyBuf = '0';
			*(pbyBuf+1) = 'X';
			if(HexToChar(RAMADDRBASE+RAMAddr, pbyBuf+2))
			{
				SerPort_SendBuf(COM1, pbyBuf, 5);
				for(c = 0;c<1000000;c++);
				SerPort_SendBuf(COM1, pbyBuf+5, 5);
				for(c = 0;c<1000000;c++);
			}
			memcpy(pbyBuf,error,4);	
			SerPort_SendBuf(COM1, pbyBuf, 4);
			for(c = 0;c<1000000;c++);
			d++;	
		}
	} 
	if(d == 0)
	{
			memcpy(pbyBuf,RAMOK,6);	
			SerPort_SendBuf(COM1, pbyBuf, 6);
	}
	while(1)
	{
	;
	}
}