daadiolib.c

Vxworks的培训教程,大家分享下啊,

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

DAADIO daadio;

void pioISR();

STATUS daadioInit (baseAddr, intLevel, intNumber)
	char *	baseAddr;
	int 	intLevel;
	int		intNumber;
	{
	int		lockKey;

	/* Convert short I/O base address to local CPU address and store in
	   <baseAddr> member of daadio structure  */
	if (sysBusToLocalAdrs (VME_AM_SUP_SHORT_IO, baseAddr, &daadio.baseAddr) ==
		ERROR)
		return (ERROR);
	
	/* ???????????????????? */

	daadio.initialized = TRUE;

	return (OK);
	}