1 /**************************************************************************/
2 /* */
3 /* Copyright (c) Microsoft Corporation. All rights reserved. */
4 /* */
5 /* This software is licensed under the Microsoft Software License */
6 /* Terms for Microsoft Azure RTOS. Full text of the license can be */
7 /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
8 /* and in the root directory of this software. */
9 /* */
10 /**************************************************************************/
11
12
13 /**************************************************************************/
14 /**************************************************************************/
15 /** */
16 /** ThreadX Component */
17 /** */
18 /** Timer */
19 /** */
20 /**************************************************************************/
21 /**************************************************************************/
22
23 #define TX_SOURCE_CODE
24
25
26 /* Include necessary system files. */
27
28 #include "tx_api.h"
29 #include "tx_trace.h"
30 #include "tx_timer.h"
31
32
33 /**************************************************************************/
34 /* */
35 /* FUNCTION RELEASE */
36 /* */
37 /* _tx_time_get PORTABLE C */
38 /* 6.1.3 */
39 /* AUTHOR */
40 /* */
41 /* William E. Lamie, Microsoft Corporation */
42 /* */
43 /* DESCRIPTION */
44 /* */
45 /* This function retrieves the internal, free-running, system clock */
46 /* and returns it to the caller. */
47 /* */
48 /* INPUT */
49 /* */
50 /* None */
51 /* */
52 /* OUTPUT */
53 /* */
54 /* _tx_timer_system_clock Returns the system clock value */
55 /* */
56 /* CALLS */
57 /* */
58 /* None */
59 /* */
60 /* CALLED BY */
61 /* */
62 /* Application Code */
63 /* */
64 /* RELEASE HISTORY */
65 /* */
66 /* DATE NAME DESCRIPTION */
67 /* */
68 /* 05-19-2020 William E. Lamie Initial Version 6.0 */
69 /* 09-30-2020 Yuxin Zhou Modified comment(s), */
70 /* resulting in version 6.1 */
71 /* 12-31-2020 Andres Mlinar Modified comment(s), */
72 /* resulting in version 6.1.3 */
73 /* */
74 /**************************************************************************/
_tx_time_get(VOID)75 ULONG _tx_time_get(VOID)
76 {
77
78 TX_INTERRUPT_SAVE_AREA
79
80 #ifdef TX_ENABLE_EVENT_TRACE
81 ULONG another_temp_time = ((ULONG) 0);
82 #endif
83 ULONG temp_time;
84
85
86 /* Disable interrupts. */
87 TX_DISABLE
88
89 /* Pickup the system clock time. */
90 temp_time = _tx_timer_system_clock;
91
92 /* If trace is enabled, insert this event into the trace buffer. */
93 TX_TRACE_IN_LINE_INSERT(TX_TRACE_TIME_GET, TX_ULONG_TO_POINTER_CONVERT(temp_time), TX_POINTER_TO_ULONG_CONVERT(&another_temp_time), 0, 0, TX_TRACE_TIME_EVENTS)
94
95 /* Log this kernel call. */
96 TX_EL_TIME_GET_INSERT
97
98 /* Restore interrupts. */
99 TX_RESTORE
100
101 /* Return the time. */
102 return(temp_time);
103 }
104
105
