nand_test.c

这是一个基于硬件平台s3c44B0和操作系统为ucos的nandflash的程序

#include "44b.h"
#include "nand.h"
#include "uart_lib.h"
#include "string.h"


void NandFlash_Test()
{
	int i;
	unsigned int m;
	unsigned int BlockNo = 0;
	char buffer[512];
	char str[17]="0123456789abcdef";
	char str2[17]="Smarteer12345678";
	
	Uart_Printf("\n【NAND Flash测试程序：】\n");

	for(i=0;i<32;i++)
		strcpy(&buffer[i*16],str);
	
	NandInit();
	m = ReadDeviceID();
	Uart_Printf("DeviceID = 0x%x\n",m);
	
	
	
	m = EraseBlock(BlockNo);
	if(m)
		Uart_Printf("Erase Block %d Ok!\n",BlockNo);
	else	
		Uart_Printf("Erase Block %d Failed!\n",BlockNo);
			
	m = WritePage(0,1,buffer);
	if(m)
		Uart_Printf("Write page 1 %d bytes!\n",m);
	else	
		Uart_Printf("Write page Failed!\n");
		
		

	for(i=0;i<32;i++)
		strcpy(&buffer[i*16],str2);
	
	m = WritePage(0,2,buffer);
	if(m)
		Uart_Printf("Write page 2 %d bytes!\n",m);
	else	
		Uart_Printf("Write page Failed!\n");

	
	
	
	m = ReadPage(0,1,buffer);

	Uart_Printf("Read page 1:\n");
	for(m = 0; m < 512; m++)
		Uart_SendByte(buffer[m]);

	
	
	m = ReadPage(0,2,buffer);

	Uart_Printf("Read page 2:\n");
	for(m = 0; m < 512; m++)
		Uart_SendByte(buffer[m]);

	
	
	Uart_Printf("\n测试结束!\n");
}



// 总线极限速度 21秒钟100M
// IO极限速度 23秒钟100M

void NandFlash_Read(void)
{
	unsigned int m;
	char buffer[512] ;
	int i;
	
	NandInit();
	
	m = ReadDeviceID();
	Uart_Printf("DeviceID = 0x%x\n",m);
	
	for(i=0;i<200;i++)
	{
    	//rPDATC = 0x4200;	
    	//rPDATC = 0x4000;	
	    ReadPage(0,1,buffer);
	}	
	
	for(m = 0; m < 512; m++)
		Uart_SendByte(buffer[m]);
}