119 lines
3.6 KiB
C
119 lines
3.6 KiB
C
/******************************************************************************
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* Copyright (C) 2002 - 2022 Xilinx, Inc. All rights reserved.
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* SPDX-License-Identifier: MIT
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******************************************************************************/
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/****************************************************************************/
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/**
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*
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* @file xuartlite_stats.c
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* @addtogroup uartlite_v3_7
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* @{
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*
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* This file contains the statistics functions for the UART Lite component
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* (XUartLite).
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*
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* <pre>
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* MODIFICATION HISTORY:
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*
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* Ver Who Date Changes
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* ----- ---- -------- -----------------------------------------------
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* 1.00a ecm 08/31/01 First release
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* 1.00b jhl 02/21/02 Repartitioned the driver for smaller files
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* 2.00a ktn 10/20/09 Updated to use HAL Processor APIs.
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* XUartLite_mClearStats macro is removed.
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* </pre>
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*
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*****************************************************************************/
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/***************************** Include Files ********************************/
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#include "xil_types.h"
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#include "xil_assert.h"
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#include "xuartlite.h"
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#include "xuartlite_i.h"
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/************************** Constant Definitions ****************************/
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/**************************** Type Definitions ******************************/
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/***************** Macros (Inline Functions) Definitions ********************/
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/************************** Variable Definitions ****************************/
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/************************** Function Prototypes *****************************/
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/****************************************************************************/
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/**
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*
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* Returns a snapshot of the current statistics in the structure specified.
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*
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* @param InstancePtr is a pointer to the XUartLite instance.
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* @param StatsPtr is a pointer to a XUartLiteStats structure to where the
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* statistics are to be copied.
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*
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* @return None.
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*
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* @note None.
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*
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*****************************************************************************/
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void XUartLite_GetStats(XUartLite *InstancePtr, XUartLite_Stats *StatsPtr)
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{
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/*
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* Assert validates the input arguments
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*/
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Xil_AssertVoid(InstancePtr != NULL);
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Xil_AssertVoid(StatsPtr != NULL);
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Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
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/* Copy the stats from the instance to the specified stats */
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StatsPtr->TransmitInterrupts = InstancePtr->Stats.TransmitInterrupts;
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StatsPtr->ReceiveInterrupts = InstancePtr->Stats.ReceiveInterrupts;
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StatsPtr->CharactersTransmitted =
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InstancePtr->Stats.CharactersTransmitted;
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StatsPtr->CharactersReceived = InstancePtr->Stats.CharactersReceived;
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StatsPtr->ReceiveOverrunErrors =
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InstancePtr->Stats.ReceiveOverrunErrors;
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StatsPtr->ReceiveFramingErrors =
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InstancePtr->Stats.ReceiveFramingErrors;
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StatsPtr->ReceiveParityErrors = InstancePtr->Stats.ReceiveParityErrors;
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}
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/****************************************************************************/
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/**
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*
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* This function zeros the statistics for the given instance.
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*
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* @param InstancePtr is a pointer to the XUartLite instance.
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*
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* @return None.
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*
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* @note None.
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*
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*****************************************************************************/
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void XUartLite_ClearStats(XUartLite *InstancePtr)
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{
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/*
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* Assert validates the input arguments
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*/
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Xil_AssertVoid(InstancePtr != NULL);
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Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
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InstancePtr->Stats.TransmitInterrupts = 0;
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InstancePtr->Stats.ReceiveInterrupts = 0;
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InstancePtr->Stats.CharactersTransmitted = 0;
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InstancePtr->Stats.CharactersReceived = 0;
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InstancePtr->Stats.ReceiveOverrunErrors = 0;
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InstancePtr->Stats.ReceiveFramingErrors = 0;
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InstancePtr->Stats.ReceiveParityErrors = 0;
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}
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/** @} */
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