44bmain.c

关于s3c44b0的flash编程的样例涉及到flash中数据读取、检验等

/*************************************************************************
* FILE NAME                                     VERSION                
*                                                                      
*        44bmain.c            		            1.0              
*                                                                      
* COMPONENT                                                            
*                                                                      
*        Flash Operation such as erase/program                                    
*                                                                      
************************************************************************/

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <math.h>

#include "..\inc\def.h"
#include "..\inc\29lvflash.h"
#include "..\inc\option.h"
#include "..\inc\44b.h"
#include "..\inc\44blib.h"

/*根据实际情况修改*/
#define  FLASH_START_ADDR  0x00000000   /* FLASH 地址映射 */
#define  PROG_BUFFER_ADDR  0x0c100000   /* 目标码缓存地址 */
#define  PROG_LENGTH	   100000       /* 目标码长度 */

int main(void)
{
    int result=0;
    /**** SYSTEM INITIALIZE */
    
	/* disable system cache */
    rSYSCFG = 0;

    //__rt_lib_init();

    Port_Init();
    
    /**** FLASH OPERATION */
    
    /* 1 - get flash'ID, if it work well, at least our hardware is good */
    Flash_ReadID();
    
    /* 2 - erase the whole chip, also you can erase it sector by sector */
    Flash_Erase_Chip();
    
    /* 3 - write into flash from a temporary buffer */
    Flash_Write(FLASH_START_ADDR, (char *)PROG_BUFFER_ADDR, PROG_LENGTH);

	/* 4 - verify (Optional) */
	result=Flash_Verify(FLASH_START_ADDR, (char *)PROG_BUFFER_ADDR, PROG_LENGTH);

	
	printf("OK");	
	/* Program OVER */
	if(result==0) goto ok;
	else		  goto error;

ok:	
	while(1)
    {
    	Led_Display(3);
    	Delay(1000);
    	Led_Display(0);
    	Delay(10000);
    }

error:
	while(1)
    {
    	Led_Display(0);
    	Delay(1000);
    	Led_Display(3);
    	Delay(10000);
    }
}