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32 /****************************************************************************/
35 * @file xuartlite_stats.c
37 * This file contains the statistics functions for the UART Lite component
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 Repartitioned the driver for smaller files
47 * 2.00a ktn 10/20/09 Updated to use HAL Processor APIs.
48 * XUartLite_mClearStats macro is removed.
51 *****************************************************************************/
53 /***************************** Include Files ********************************/
55 #include "xil_types.h"
56 #include "xil_assert.h"
57 #include "xuartlite.h"
58 #include "xuartlite_i.h"
60 /************************** Constant Definitions ****************************/
63 /**************************** Type Definitions ******************************/
66 /***************** Macros (Inline Functions) Definitions ********************/
69 /************************** Variable Definitions ****************************/
72 /************************** Function Prototypes *****************************/
75 /****************************************************************************/
78 * Returns a snapshot of the current statistics in the structure specified.
80 * @param InstancePtr is a pointer to the XUartLite instance.
81 * @param StatsPtr is a pointer to a XUartLiteStats structure to where the
82 * statistics are to be copied.
88 *****************************************************************************/
89 void XUartLite_GetStats(XUartLite *InstancePtr, XUartLite_Stats *StatsPtr)
92 * Assert validates the input arguments
94 Xil_AssertVoid(InstancePtr != NULL);
95 Xil_AssertVoid(StatsPtr != NULL);
96 Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
98 /* Copy the stats from the instance to the specified stats */
100 StatsPtr->TransmitInterrupts = InstancePtr->Stats.TransmitInterrupts;
101 StatsPtr->ReceiveInterrupts = InstancePtr->Stats.ReceiveInterrupts;
102 StatsPtr->CharactersTransmitted =
103 InstancePtr->Stats.CharactersTransmitted;
104 StatsPtr->CharactersReceived = InstancePtr->Stats.CharactersReceived;
105 StatsPtr->ReceiveOverrunErrors =
106 InstancePtr->Stats.ReceiveOverrunErrors;
107 StatsPtr->ReceiveFramingErrors =
108 InstancePtr->Stats.ReceiveFramingErrors;
109 StatsPtr->ReceiveParityErrors = InstancePtr->Stats.ReceiveParityErrors;
112 /****************************************************************************/
115 * This function zeros the statistics for the given instance.
117 * @param InstancePtr is a pointer to the XUartLite instance.
123 *****************************************************************************/
124 void XUartLite_ClearStats(XUartLite *InstancePtr)
127 * Assert validates the input arguments
129 Xil_AssertVoid(InstancePtr != NULL);
130 Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
132 InstancePtr->Stats.TransmitInterrupts = 0;
133 InstancePtr->Stats.ReceiveInterrupts = 0;
134 InstancePtr->Stats.CharactersTransmitted = 0;
135 InstancePtr->Stats.CharactersReceived = 0;
136 InstancePtr->Stats.ReceiveOverrunErrors = 0;
137 InstancePtr->Stats.ReceiveFramingErrors = 0;
138 InstancePtr->Stats.ReceiveParityErrors = 0;