Statistics
| Branch: | Tag: | Revision:

amiro-os / core / src / aos_thread.c @ f606f432

History | View | Annotate | Download (3.747 KB)

1 e545e620 Thomas Schöpping
/*
2
AMiRo-OS is an operating system designed for the Autonomous Mini Robot (AMiRo) platform.
3 84f0ce9e Thomas Schöpping
Copyright (C) 2016..2019  Thomas Schöpping et al.
4 e545e620 Thomas Schöpping

5
This program is free software: you can redistribute it and/or modify
6
it under the terms of the GNU General Public License as published by
7
the Free Software Foundation, either version 3 of the License, or
8
(at your option) any later version.
9

10
This program is distributed in the hope that it will be useful,
11
but WITHOUT ANY WARRANTY; without even the implied warranty of
12
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13
GNU General Public License for more details.
14

15
You should have received a copy of the GNU General Public License
16
along with this program.  If not, see <http://www.gnu.org/licenses/>.
17
*/
18
19 53710ca3 Marc Rothmann
/**
20
 * @file    aos_thread.c
21
 * @brief   Thread code.
22
 *
23
 * @addtogroup aos_threads
24
 * @{
25
 */
26
27 3940ba8a Thomas Schöpping
#include <amiroos.h>
28
29 f3ac1c96 Thomas Schöpping
/******************************************************************************/
30
/* LOCAL DEFINITIONS                                                          */
31
/******************************************************************************/
32
33
/******************************************************************************/
34
/* EXPORTED VARIABLES                                                         */
35
/******************************************************************************/
36
37
/******************************************************************************/
38
/* LOCAL TYPES                                                                */
39
/******************************************************************************/
40
41
/******************************************************************************/
42
/* LOCAL VARIABLES                                                            */
43
/******************************************************************************/
44
45
/******************************************************************************/
46
/* LOCAL FUNCTIONS                                                            */
47
/******************************************************************************/
48
49
/******************************************************************************/
50
/* EXPORTED FUNCTIONS                                                         */
51
/******************************************************************************/
52 e545e620 Thomas Schöpping
53
/**
54
 * @brief   Lets the calling thread sleep until the specifide system uptime.
55
 *
56
 * @param[in] t     Deadline until the thread will sleep.
57
 */
58 d180e1ba Thomas Schöpping
void aosThdSleepUntilS(const aos_timestamp_t t)
59 e545e620 Thomas Schöpping
{
60
  aos_timestamp_t uptime;
61
62
  // get the current system uptime
63
  aosSysGetUptimeX(&uptime);
64
65
  // while the remaining time is too long, it must be split into multiple sleeps
66 d180e1ba Thomas Schöpping
  while ( (t > uptime) && ((t - uptime) > AOS_THD_MAX_SLEEP_US) ) {
67 1e5f7648 Thomas Schöpping
    chThdSleepS(chTimeUS2I(AOS_THD_MAX_SLEEP_US));
68 e545e620 Thomas Schöpping
    aosSysGetUptimeX(&uptime);
69
  }
70
71
  // sleep the remaining time
72 d180e1ba Thomas Schöpping
  if (t > uptime) {
73
    sysinterval_t rest = chTimeUS2I(t - uptime);
74 e545e620 Thomas Schöpping
    if (rest > TIME_IMMEDIATE) {
75
      chThdSleepS(rest);
76
    }
77
  }
78
79
  return;
80
}
81 53710ca3 Marc Rothmann
82 5c9e9b9d Thomas Schöpping
#if ((AMIROOS_CFG_DBG == true) && (CH_DBG_FILL_THREADS == TRUE)) || defined(__DOXYGEN__)
83 aed3754b Thomas Schöpping
/**
84
 * @brief   Calculate the peak stack utilization for a specific thread so far in bytes.
85
 *
86
 * @param[in] thread    Thread to calculate the stack utilization for.
87
 *
88
 * @return  Absolute peak stack utilization in bytes.
89
 */
90
size_t aosThdGetStackPeakUtilization(thread_t* thread)
91
{
92
  aosDbgCheck(thread != NULL);
93
94
  size_t util;
95
  uint8_t* ptr = (uint8_t*)thread->wabase;
96
97
  chSysLock();
98
  while (*ptr == CH_DBG_STACK_FILL_VALUE && ptr < (uint8_t*)thread->wabase + aosThdGetStacksize(thread)) {
99
    ++ptr;
100
  }
101
  util = aosThdGetStacksize(thread) - (ptr - (uint8_t*)thread->wabase);
102
  chSysUnlock();
103
104
  return util;
105
}
106 5c9e9b9d Thomas Schöpping
#endif /* (AMIROOS_CFG_DBG == true) && (CH_DBG_FILL_THREADS == TRUE) */
107 aed3754b Thomas Schöpping
108 53710ca3 Marc Rothmann
/** @} */