1 /******************************************************************************
3 * Copyright (C) 2002 - 2014 Xilinx, Inc. All rights reserved.
5 * Permission is hereby granted, free of charge, to any person obtaining a copy
6 * of this software and associated documentation files (the "Software"), to deal
7 * in the Software without restriction, including without limitation the rights
8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 * copies of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
15 * Use of the Software is limited solely to applications:
16 * (a) running on a Xilinx device, or
17 * (b) that interact with a Xilinx device through a bus or interconnect.
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * XILINX BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
23 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
24 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
27 * Except as contained in this notice, the name of the Xilinx shall not be used
28 * in advertising or otherwise to promote the sale, use or other dealings in
29 * this Software without prior written authorization from Xilinx.
31 ******************************************************************************/
32 /****************************************************************************/
37 * Contains data which is shared between the files of the XUartLite component.
38 * It is intended for internal use only.
41 * MODIFICATION HISTORY:
43 * Ver Who Date Changes
44 * ----- ---- -------- -----------------------------------------------
45 * 1.00a ecm 08/31/01 First release
46 * 1.00b jhl 02/21/02 Reparitioned the driver for smaller files
47 * 1.00b rpm 04/24/02 Moved register definitions to xuartlite_l.h and
48 * updated macro naming convention
49 * 2.00a ktn 10/20/09 The macros have been renamed to remove _m from
50 * the name. XUartLite_mClearStats macro is removed and
51 * XUartLite_ClearStats function should be used in its place.
55 *****************************************************************************/
57 #ifndef XUARTLITE_I_H /* prevent circular inclusions */
58 #define XUARTLITE_I_H /* by using protection macros */
64 /***************************** Include Files ********************************/
66 #include "xuartlite.h"
67 #include "xuartlite_l.h"
69 /************************** Constant Definitions ****************************/
71 /**************************** Type Definitions ******************************/
73 /***************** Macros (Inline Functions) Definitions ********************/
75 /****************************************************************************
77 * Update the statistics of the instance.
79 * @param InstancePtr is a pointer to the XUartLite instance.
80 * @param StatusRegister contains the contents of the UART status
81 * register to update the statistics with.
87 * Signature: void XUartLite_UpdateStats(XUartLite *InstancePtr,
90 *****************************************************************************/
91 #define XUartLite_UpdateStats(InstancePtr, StatusRegister) \
93 if ((StatusRegister) & XUL_SR_OVERRUN_ERROR) \
95 (InstancePtr)->Stats.ReceiveOverrunErrors++; \
97 if ((StatusRegister) & XUL_SR_PARITY_ERROR) \
99 (InstancePtr)->Stats.ReceiveParityErrors++; \
101 if ((StatusRegister) & XUL_SR_FRAMING_ERROR) \
103 (InstancePtr)->Stats.ReceiveFramingErrors++; \
107 /************************** Variable Definitions ****************************/
109 /* the configuration table */
110 extern XUartLite_Config XUartLite_ConfigTable[];
112 /************************** Function Prototypes *****************************/
114 unsigned int XUartLite_SendBuffer(XUartLite *InstancePtr);
115 unsigned int XUartLite_ReceiveBuffer(XUartLite *InstancePtr);
121 #endif /* end of protection macro */