1 /******************************************************************************
3 * Copyright (C) 2009 - 2014 Xilinx, Inc. All rights reserved.
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31 ******************************************************************************/
32 /*****************************************************************************/
37 * MODIFICATION HISTORY:
39 * Ver Who Date Changes
40 * ----- ------ -------- ---------------------------------------------------
41 * 1.00a rp/sdm 11/03/09 Initial release.
42 * 3.06a sgd 05/15/12 Upadted get/set time functions to make use Global Timer
43 * 3.06a asa 06/17/12 Reverted back the changes to make use Global Timer.
44 * 3.07a sgd 07/05/12 Upadted get/set time functions to make use Global Timer
49 ******************************************************************************/
51 #ifndef XTIME_H /* prevent circular inclusions */
52 #define XTIME_H /* by using protection macros */
58 /***************************** Include Files *********************************/
59 #include "xparameters.h"
61 /***************** Macros (Inline Functions) Definitions *********************/
63 /**************************** Type Definitions *******************************/
65 typedef unsigned long long XTime;
67 /************************** Constant Definitions *****************************/
68 #define GLOBAL_TMR_BASEADDR XPAR_GLOBAL_TMR_BASEADDR
69 #define GTIMER_COUNTER_LOWER_OFFSET 0x00
70 #define GTIMER_COUNTER_UPPER_OFFSET 0x04
71 #define GTIMER_CONTROL_OFFSET 0x08
74 /* Global Timer is always clocked at half of the CPU frequency */
75 #define COUNTS_PER_SECOND (XPAR_CPU_CORTEXA9_CORE_CLOCK_FREQ_HZ /2)
76 /************************** Variable Definitions *****************************/
78 /************************** Function Prototypes ******************************/
80 void XTime_SetTime(XTime Xtime);
81 void XTime_GetTime(XTime *Xtime);
85 #endif /* __cplusplus */