xiic_stats.c

FPGA 并行NOR FLash的操作相关

/* $Id: xiic_stats.c,v 1.1 2007/12/03 15:44:58 meinelte Exp $ */
/******************************************************************************
*
*       XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS"
*       AS A COURTESY TO YOU, SOLELY FOR USE IN DEVELOPING PROGRAMS AND
*       SOLUTIONS FOR XILINX DEVICES.  BY PROVIDING THIS DESIGN, CODE,
*       OR INFORMATION AS ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE,
*       APPLICATION OR STANDARD, XILINX IS MAKING NO REPRESENTATION
*       THAT THIS IMPLEMENTATION IS FREE FROM ANY CLAIMS OF INFRINGEMENT,
*       AND YOU ARE RESPONSIBLE FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE
*       FOR YOUR IMPLEMENTATION.  XILINX EXPRESSLY DISCLAIMS ANY
*       WARRANTY WHATSOEVER WITH RESPECT TO THE ADEQUACY OF THE
*       IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OR
*       REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE FROM CLAIMS OF
*       INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
*       FOR A PARTICULAR PURPOSE.
*
*       (c) Copyright 2002 Xilinx Inc.
*       All rights reserved.
*
******************************************************************************/
/*****************************************************************************/
/**
*
* @file xiic_stats.c
*
* Contains statistics functions for the XIic component.
*
* <pre>
* MODIFICATION HISTORY:
*
* Ver   Who  Date     Changes
* ----- --- ------- -----------------------------------------------
* 1.01b jhl 3/26/02 repartioned the driver
* 1.01c ecm 12/05/02 new rev
* 1.13a wgr  03/22/07 Converted to new coding style.
* </pre>
*
****************************************************************************/

/***************************** Include Files *******************************/

#include "xiic.h"
#include "xiic_i.h"
#include "xio.h"

/************************** Constant Definitions ***************************/


/**************************** Type Definitions *****************************/


/***************** Macros (Inline Functions) Definitions *******************/


/************************** Function Prototypes ****************************/


/************************** Variable Definitions **************************/


/*****************************************************************************/
/**
*
* Gets a copy of the statistics for an IIC device.
*
* @param    InstancePtr is a pointer to the XIic instance to be worked on.
* @param    StatsPtr is a pointer to a XIicStats structure which will get a
*           copy of current statistics.
*
* @return
*
* None.
*
* @note
*
* None.
*
****************************************************************************/
void XIic_GetStats(XIic * InstancePtr, XIicStats * StatsPtr)
{
	u8 NumBytes;
	u8 *SrcPtr;
	u8 *DestPtr;

	XASSERT_VOID(InstancePtr->IsReady == XCOMPONENT_IS_READY);
	XASSERT_VOID(InstancePtr != NULL);
	XASSERT_VOID(StatsPtr != NULL);

	/* Setup pointers to copy the stats structure */

	SrcPtr = (u8 *) &InstancePtr->Stats;
	DestPtr = (u8 *) StatsPtr;

	/* Copy the current statistics to the structure passed in */

	for (NumBytes = 0; NumBytes < sizeof(XIicStats); NumBytes++) {
		*DestPtr++ = *SrcPtr++;
	}
}

/*****************************************************************************/
/**
*
* Clears the statistics for the IIC device by zeroing all counts.
*
* @param    InstancePtr is a pointer to the XIic instance to be worked on.
*
* @return
*
* None.
*
* @note
*
* None.
*
****************************************************************************/
void XIic_ClearStats(XIic * InstancePtr)
{
	XASSERT_VOID(InstancePtr->IsReady == XCOMPONENT_IS_READY);
	XASSERT_VOID(InstancePtr != NULL);

	XIIC_CLEAR_STATS(InstancePtr);
}