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41 /*****************************************************************************/
46 * MODIFICATION HISTORY:
48 * Ver Who Date Changes
49 * ----- ------ -------- ---------------------------------------------------
50 * 1.00a rp/sdm 11/03/09 Initial release.
51 * 3.06a sgd 05/15/12 Upadted get/set time functions to make use Global Timer
52 * 3.06a asa 06/17/12 Reverted back the changes to make use Global Timer.
53 * 3.07a sgd 07/05/12 Upadted get/set time functions to make use Global Timer
58 ******************************************************************************/
60 #ifndef XTIME_H /* prevent circular inclusions */
61 #define XTIME_H /* by using protection macros */
67 /***************************** Include Files *********************************/
68 #include "xparameters.h"
70 /***************** Macros (Inline Functions) Definitions *********************/
72 /**************************** Type Definitions *******************************/
74 typedef unsigned long long XTime;
76 /************************** Constant Definitions *****************************/
77 #define GLOBAL_TMR_BASEADDR XPAR_GLOBAL_TMR_BASEADDR
78 #define GTIMER_COUNTER_LOWER_OFFSET 0x00
79 #define GTIMER_COUNTER_UPPER_OFFSET 0x04
80 #define GTIMER_CONTROL_OFFSET 0x08
83 /* Global Timer is always clocked at half of the CPU frequency */
84 #define COUNTS_PER_SECOND (XPAR_CPU_CORTEXA9_CORE_CLOCK_FREQ_HZ /2)
85 /************************** Variable Definitions *****************************/
87 /************************** Function Prototypes ******************************/
89 void XTime_SetTime(XTime Xtime);
90 void XTime_GetTime(XTime *Xtime);
94 #endif /* __cplusplus */