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32 /*****************************************************************************/
36 * @addtogroup r5_time_apis Cortex R5 Time Functions
37 * The xtime_l.h provides access to 32-bit TTC timer counter. These functions
38 * can be used by applications to track the time.
42 * MODIFICATION HISTORY:
44 * Ver Who Date Changes
45 * ----- ------ -------- ---------------------------------------------------
46 * 5.00 pkp 05/29/14 First release
47 * 5.04 pkp 02/19/16 Added timer configuration register offset definitions
48 * 5.04 pkp 03/11/16 Removed definitions for overflow interrupt register
50 * 6.6 srm 10/22/17 Added a warning message for the user configurable sleep
51 * implementation when default timer is selected by the user
54 ******************************************************************************/
56 #ifndef XTIME_H /* prevent circular inclusions */
57 #define XTIME_H /* by using protection macros */
63 /***************************** Include Files *********************************/
64 #include "xil_types.h"
65 #include "xparameters.h"
66 /***************** Macros (Inline Functions) Definitions *********************/
68 /************************** Constant Definitions *****************************/
70 #ifdef SLEEP_TIMER_BASEADDR
72 #define COUNTS_PER_SECOND SLEEP_TIMER_FREQUENCY
73 #define COUNTS_PER_USECOND COUNTS_PER_SECOND/1000000
76 #define ITERS_PER_SEC (XPAR_CPU_CORTEXR5_0_CPU_CLK_FREQ_HZ / 4)
77 #define ITERS_PER_USEC (XPAR_CPU_CORTEXR5_0_CPU_CLK_FREQ_HZ / 4000000)
78 #define IRQ_FIQ_MASK 0xC0 /* Mask IRQ and FIQ interrupts in cpsr */
81 #if defined (XSLEEP_TIMER_IS_DEFAULT_TIMER)
82 #pragma message ("For the sleep routines, TTC3 is used if present else the assembly instructions are called")
85 /**************************** Type Definitions *******************************/
87 /* The following definitions are applicable only when TTC3 is present*/
88 #ifdef SLEEP_TIMER_BASEADDR
91 void XTime_SetTime(XTime Xtime_Global);
92 void XTime_GetTime(XTime *Xtime_Global);
97 #endif /* __cplusplus */
101 * @} End of "@addtogroup r5_time_apis".