mboxtest.c

Curtiss-Wright Controls Embedded Computing公司的cw183板bsp源代码

/* mboxTest.c - Sample code to use Univers Mailbox functionality.  */

/* Copyright 1999-2002 Dy 4 Systems, Inc. */

/*
Modification History
--------------------

01a, 15mar00, elp created
*/ 

/*
DESCRIPTION
This file will verify the functionality of the Universe Mailbox features. 
The following functions will be tested:

sysMailboxAddrGet()
sysUnivMailboxConnect()
sysMailboxEnable()
sysMailboxDisable()

INCLUDE files: universe.h universe2.h

*/

/* includes */
#include <vxWorks.h>
#include <stdio.h>
#include <ioLib.h>
#include <taskLib.h>
#include "config.h"
#include "logLib.h"
#include "iosLib.h"
#include "intLib.h"
#include "h/drv/vme/universe_dy4.h"
#include "h/drv/vme/universe2_dy4.h"
#include "config.h" /* also includes dy4181.h and sysFpgaInt.h */

/* locals */

LOCAL BOOL gotInt = FALSE;

/* external declarations */

IMPORT UINT sysMailboxAddrGet (int mailboxId);
IMPORT STATUS sysUnivMailboxConnect (int mailboxId, FUNCPTR routine, int arg);
IMPORT STATUS sysMailboxEnable (char *mailboxId);
IMPORT STATUS sysMailboxDisable (char *mailboxId);

/* forward declarations */

void mboxIsr (int mboxId);


/***************************************************************************
* mboxTest - Universe Mailbox Test Program
*
* This routine takes a mailbox ID as a parameter and tests that Mailbox.
*
* RETURNS: N/A
*	
*/

void mboxTest
    (
	int mboxId
	)
	{
	UINT32 * mboxAddr;
	int    i = 0;
	
	printf ("Testing Universe Mailbox ID%d\n\n", mboxId);
	
	mboxAddr = (UINT32 *) sysMailboxAddrGet (mboxId);
	
	printf ("Mailbox Address for Mailbox ID%d is %x\n\n", mboxId, 
	        (int) mboxAddr);
			
    sysUnivMailboxConnect (mboxId, (FUNCPTR) mboxIsr, SYS_MAILBOX_DATA);
	sysMailboxEnable ((char *) mboxId);
	
	printf ("Mailbox Interrupt Enabled. Write Mailbox from 2nd Card Now.\n\n");
	
	/* Wait for the interrupt to happen. Time out after a long time */
	
	while (!gotInt && (i < 100))
	    {
		i++;
		taskDelay (10);
		}
		
	if (!gotInt)
	    {
		printf ("Never recieved the interrupt. Test FAILED.\n\n");
		}
	else
	    {
		printf ("Test PASSED.\n\n");
		gotInt = FALSE;
		sysMailboxDisable((char *) mboxId);
		}
	
	}	


/******************************************************************
* mboxIsr - Universe Mailbox Interrupt Service Routine
*
* This routine handles the Mailbox interrupt that it has been connected to.
* It finds out the mailbox address based on the passed in ID then prints out
* the data in the mailbox with a logMsg. It then sets a global flag saying
* it got the interrupt.
*
* RETURNS: N/A
*/

void mboxIsr
    (
	int mboxData
	)
    {
	
	
	logMsg ("Got Mailbox Interrupt. Data is %x\n\n", mboxData, 
	         0, 0, 0, 0, 0);

    gotInt = TRUE;

    }