blob: 9eba072c5b7a16631cb5295fe8fb5d72b2089fd5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/*
Nil RTOS - Copyright (C) 2012 Giovanni Di Sirio.
This file is part of Nil RTOS.
Nil RTOS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
Nil RTOS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file STM32F3xx/chtimer.c
* @brief System timer code.
*
* @addtogroup STM32F3_TIMER
*/
#include "ch.h"
#if CH_CFG_TIMEDELTA > 0
/*===========================================================================*/
/* Module local definitions. */
/*===========================================================================*/
/*===========================================================================*/
/* Module exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Module local variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Module local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Module interrupt handlers. */
/*===========================================================================*/
/**
* @brief TIM2 interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(VectorB0) {
CH_IRQ_PROLOGUE();
STM32F3_TIM2->SR = 0;
chSysLockFromISR();
chSysTimerHandlerI();
chSysUnlockFromISR();
CH_IRQ_EPILOGUE();
}
/*===========================================================================*/
/* Module exported functions. */
/*===========================================================================*/
#endif /* CH_CFG_TIMEDELTA > 0 */
/** @} */
|