| /****************************************************************************** |
| * |
| * Copyright (C) 2014 - 2017 Xilinx, Inc. All rights reserved. |
| * |
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| * Use of the Software is limited solely to applications: |
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| ******************************************************************************/ |
| /*****************************************************************************/ |
| /** |
| * @file xtime_l.h |
| * |
| * @addtogroup r5_time_apis Cortex R5 Time Functions |
| * The xtime_l.h provides access to 32-bit TTC timer counter. These functions |
| * can be used by applications to track the time. |
| * |
| * @{ |
| * <pre> |
| * MODIFICATION HISTORY: |
| * |
| * Ver Who Date Changes |
| * ----- ------ -------- --------------------------------------------------- |
| * 5.00 pkp 05/29/14 First release |
| * 5.04 pkp 02/19/16 Added timer configuration register offset definitions |
| * 5.04 pkp 03/11/16 Removed definitions for overflow interrupt register |
| * and mask |
| * 6.6 srm 10/22/17 Added a warning message for the user configurable sleep |
| * implementation when default timer is selected by the user |
| * </pre> |
| * |
| ******************************************************************************/ |
| |
| #ifndef XTIME_H /* prevent circular inclusions */ |
| #define XTIME_H /* by using protection macros */ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /***************************** Include Files *********************************/ |
| #include "xil_types.h" |
| #include "xparameters.h" |
| /***************** Macros (Inline Functions) Definitions *********************/ |
| |
| /************************** Constant Definitions *****************************/ |
| |
| #ifdef SLEEP_TIMER_BASEADDR |
| |
| #define COUNTS_PER_SECOND SLEEP_TIMER_FREQUENCY |
| #define COUNTS_PER_USECOND COUNTS_PER_SECOND/1000000 |
| |
| #else |
| #define ITERS_PER_SEC (XPAR_CPU_CORTEXR5_0_CPU_CLK_FREQ_HZ / 4) |
| #define ITERS_PER_USEC (XPAR_CPU_CORTEXR5_0_CPU_CLK_FREQ_HZ / 4000000) |
| #define IRQ_FIQ_MASK 0xC0 /* Mask IRQ and FIQ interrupts in cpsr */ |
| #endif |
| |
| #if defined (XSLEEP_TIMER_IS_DEFAULT_TIMER) |
| #pragma message ("For the sleep routines, TTC3 is used if present else the assembly instructions are called") |
| #endif |
| |
| /**************************** Type Definitions *******************************/ |
| |
| /* The following definitions are applicable only when TTC3 is present*/ |
| #ifdef SLEEP_TIMER_BASEADDR |
| typedef u32 XTime; |
| |
| void XTime_SetTime(XTime Xtime_Global); |
| void XTime_GetTime(XTime *Xtime_Global); |
| #endif |
| |
| #ifdef __cplusplus |
| } |
| #endif /* __cplusplus */ |
| |
| #endif /* XTIME_H */ |
| /** |
| * @} End of "@addtogroup r5_time_apis". |
| */ |