daadiolib.c

Vxworks的培训教程,大家分享下啊,

#include "daadioLib.h"
#include "vme.h"

DAADIO daadio;

STATUS daadioInit (baseAddr)
	char *baseAddr;
	{

	/* Convert short I/O base address to local CPU address 
	   and store in <BaseAddr> */

	if (sysBusToLocalAdrs (VME_AM_SUP_SHORT_IO, baseAddr, 
		&daadio.baseAddr) == ERROR)
		return (ERROR);
	
	daadio.initialized = TRUE;

	return (OK);
	}