101 lines
3.1 KiB
C
101 lines
3.1 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_i.h
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* @addtogroup uartlite_v3_7
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* @{
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*
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* Contains data which is shared between the files of the XUartLite component.
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* It is intended for internal use only.
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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 Reparitioned the driver for smaller files
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* 1.00b rpm 04/24/02 Moved register definitions to xuartlite_l.h and
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* updated macro naming convention
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* 2.00a ktn 10/20/09 The macros have been renamed to remove _m from
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* the name. XUartLite_mClearStats macro is removed and
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* XUartLite_ClearStats function should be used in its place.
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* 3.6 rna 02/19/21 Added 'XUartLite_GetSR' internal API.
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* </pre>
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*
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*****************************************************************************/
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#ifndef XUARTLITE_I_H /* prevent circular inclusions */
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#define XUARTLITE_I_H /* by using protection macros */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/***************************** Include Files ********************************/
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#include "xuartlite.h"
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#include "xuartlite_l.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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/****************************************************************************
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*
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* Update the statistics of the instance.
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*
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* @param InstancePtr is a pointer to the XUartLite instance.
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* @param StatusRegister contains the contents of the UART status
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* register to update the statistics with.
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*
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* @return None.
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*
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* @note
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*
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* Signature: void XUartLite_UpdateStats(XUartLite *InstancePtr,
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* u32 StatusRegister)
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*
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*****************************************************************************/
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#define XUartLite_UpdateStats(InstancePtr, StatusRegister) \
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{ \
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if ((StatusRegister) & XUL_SR_OVERRUN_ERROR) \
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{ \
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(InstancePtr)->Stats.ReceiveOverrunErrors++; \
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} \
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if ((StatusRegister) & XUL_SR_PARITY_ERROR) \
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{ \
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(InstancePtr)->Stats.ReceiveParityErrors++; \
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} \
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if ((StatusRegister) & XUL_SR_FRAMING_ERROR) \
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{ \
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(InstancePtr)->Stats.ReceiveFramingErrors++; \
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} \
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}
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/************************** Variable Definitions ****************************/
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/* the configuration table */
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extern XUartLite_Config XUartLite_ConfigTable[];
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/************************** Function Prototypes *****************************/
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unsigned int XUartLite_SendBuffer(XUartLite *InstancePtr);
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unsigned int XUartLite_ReceiveBuffer(XUartLite *InstancePtr);
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u8 XUartLite_GetSR(XUartLite *InstancePtr);
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#ifdef __cplusplus
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}
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#endif
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#endif /* end of protection macro */
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/** @} */
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