sysdm9000end.c

博创PXA270－S开发箱的VxWorks BSP驱动（含注释）

/* sysDm9000End.c - pxa270 for system configuration module for dm9000End */


/* includes */

#include "vxWorks.h"
#include "stdio.h"
#include "stdlib.h"
#include "string.h"
#include "end.h"
#include "config.h"  
#define INCLUDE_DM_END
#ifdef INCLUDE_DM_END

/*
   TODO - Fill in this file with I/O addresses and related constants for the
          pxa270 BSP. Anything with "pxa270" as a prefix needs to examined 
          and re-named to id the BSP (i.e. iq80321, iq80310, etc.) 
*/


/* defines */

#define	END_LD_STR_SIZE	80


/***************************************************************************
*
* sysDM9000EndLoad - load fei82557 (fei) device.
*
* This routine loads the fei device with initial parameters.
*
* RETURNS: pointer to END object or ERROR.
*
* SEE ALSO: fei82557EndLoad()
*/

END_OBJ * sysDM9000EndLoad
    (
    char *	pParamStr,	/* ptr to initialization parameter string */
    void *	unused		/* unused optional argument */
    )
{
	END_OBJ *pEnd =NULL;
	
    char str[20];
	

	if(strlen(pParamStr) == 0)
	{
	
	
        /*
         * muxDevLoad() calls us twice.  If the string is zero
         * length, then this is the first call by MUX.
         * Just call driver load function and return.
         */
         dm9000EndLoad(pParamStr);
        return 0;
    
	}
    else
	{
        /*
         * On the second pass though here, we actually create
         * the initialization parameter string on the fly.
         * Note that we will be handed our unit number on the
         * second pass through and we need to preserve that information.
         * So we use the unit number handed from the input string.
         */

      		
        /*
         * muxDevLoad() calls us twice.  If the string is zero
         * length, then this is the first call by MUX.
         * Just call driver load function and return.
         */
        
        pEnd = dm9000EndLoad (pParamStr);
    
    
    	}
    return pEnd;
}


#endif /* INCLUDE_DM_END */