www.pudn.com > MPC8241BSP.rar > trueFFS.c

#include  
#include "blkIo.h" 
#include "ioLib.h" 
#include "iosLib.h" 
#include "memLib.h" 
#include "errnoLib.h" 
#include "string.h" 
#include "stdlib.h" 
#include "stdio.h" 
#include "dosFsLib.h" 
#include "stat.h" 
#include "time.h" 
#include "config.h" 
#include "usrLib.h" 
 
#include "flash.h" 
/*#include "mpc8260.h" 
#include "target.h" */ 
 
/************************************************************************ 
description: 	This function is used to format a flash device if needed, 
				create a block device,mount the DOS file system on a TFFS  
				Flash disk 
input:	 
				isFormat: 
						 1 : need format           
						 0 : without format	 
output:		 
return value: 
				NULL 
************************************************************************/ 
 
void CreateBlkDev(int isFormat) 
{ 
 
	STATUS rtValue; 
 
/*	PDA*     ppda;*/ 
 
 
/*	ppda = (PDA*)(0x0f000000);*/ 
	 
	/****some initialization for system needed****/ 
/*	ppda->pio_pcpar  &= ~(BIT1); 
	ppda->pio_pcdir  |= BIT1;*/ 
	/*printf("S_PortCDataReg is 0x%x\n",S_PortCDataReg);*/ 
	/*ppda->pio_pcdat  &= ~(BIT1);*/ 
	/*printf("S_PortCDataReg is 0x%x\n",S_PortCDataReg);*/ 
	/*ppda->pio_pcdat  |= 1<< (31-1);	 
 
	ppda->pio_pcdat  &= ~(1<< (31-1)); 
	ppda->pio_pcdat  |= (BIT2); 
	ppda->pio_pcdat  &= ~(BIT2); 
	ppda->pio_pcdat  |= (BIT4); 
	ppda->pio_pcdat  &= ~(BIT4); 
	ppda->pio_pcdat  = 0x88888888; 
	temp             = ppda->pio_pcdat; 
	ppda->pio_pcdat  |= (BIT1); 
	ppda->pio_pcdat  = 0x0; 
	temp             = ppda->pio_pcdat; 
	ppda->pio_pcdat  |= (BIT1);*/ 
	/*printf("S_PortCDataReg is 0x%x\n",S_PortCDataReg);*/ 
	/*ppda->pio_pcdat  &= ~(BIT1);*/ 
	 
	if(isFormat == 1 )  
	{ 
		/*FlashEraseSector(0);*//*modified by msy*/ 
 
		rtValue = tffsDevFormat(0,0); 
		if(rtValue == ERROR) 
		{ 
			printf("\ntffsDevFormat error"); 
			return; 
		} 
		else 
		{ 
			printf("\ntffsDevFormat sucessfully"); 
		} 
	} 
	rtValue = usrTffsConfig(0,0,"RFA"); 
	if(rtValue == ERROR) 
	{ 
		printf("\nusrTffsConfig error"); 
		return; 
	} 
 
	printf("\ntrueFFS flash file system is created sucessfully"); 
}