ramdisk.c

2410/vxworks/tornado下的基本实验包括 serial,ramdrv,interrupt,multi-tasking,FTP,TCP,UDP

/*ramDiskInit - 创建一个512*400的块设备,并加载dosFs文件系统*/

/***************************************************************
 *  INCLUDE FILES                                               
 ***************************************************************/
#include "stdio.h"
#include "vxWorks.h"
#include "dosFsLib.h"
#include "ramDrv.h"
#include "blkIo.h"

STATUS ramDiskInit(void)
{
  	 BLK_DEV               *pBlkDev; 
    DOS_VOL_DESC          *pVolDesc; 
	 char *ramDiskDevName = "/ram0/";
		
    pBlkDev = ramDevCreate (0, 512, 400, 400, 0); /*创建一个大小为512*400的RAM块设备*/
	 if(pBlkDev == NULL)
	 	perror("ramDevCreate");
	 
    pVolDesc = dosFsMkfs (ramDiskDevName, pBlkDev);/*加载dosFs文件系统*/
	if(pVolDesc == NULL)
		perror("dosFsMkfs");
		
return OK;

} /* end of ramDiskInit() */