Paparazzi UAS  v5.18.0_stable
Paparazzi is a free software Unmanned Aircraft System.
sys_time_arch.c
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1 /*
2  *
3  * Copyright (C) 2009-2011 The Paparazzi Team
4  *
5  * This file is part of paparazzi.
6  *
7  * paparazzi is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2, or (at your option)
10  * any later version.
11  *
12  * paparazzi is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with paparazzi; see the file COPYING. If not, write to
19  * the Free Software Foundation, 59 Temple Place - Suite 330,
20  * Boston, MA 02111-1307, USA.
21  */
22 
28 #include "mcu_periph/sys_time.h"
29 
30 
32 {
33  // simulate 1us cpu ticks
36 }
37 
38 void sys_tick_handler(void)
39 {
40  sys_time.nb_tick++;
44  sys_time.nb_sec++;
45  }
46  for (unsigned int i = 0; i < SYS_TIME_NB_TIMER; i++) {
47  if (sys_time.timer[i].in_use &&
50  sys_time.timer[i].elapsed = true;
51  if (sys_time.timer[i].cb) {
52  sys_time.timer[i].cb(i);
53  }
54  }
55  }
56 }
sys_time::cpu_ticks_per_sec
uint32_t cpu_ticks_per_sec
cpu ticks per second
Definition: sys_time.h:80
sys_time::timer
struct sys_time_timer timer[SYS_TIME_NB_TIMER]
Definition: sys_time.h:75
sys_time_timer::elapsed
volatile bool elapsed
Definition: sys_time.h:66
sys_time::resolution_cpu_ticks
uint32_t resolution_cpu_ticks
sys_time_timer resolution in cpu ticks
Definition: sys_time.h:79
sys_time_timer::duration
uint32_t duration
in SYS_TIME_TICKS
Definition: sys_time.h:68
sys_tick_handler
void sys_tick_handler(void)
Definition: sys_time_arch.c:38
uint32_t
unsigned long uint32_t
Definition: types.h:18
sys_time::nb_tick
volatile uint32_t nb_tick
SYS_TIME_TICKS since startup.
Definition: sys_time.h:74
sys_time_timer::in_use
bool in_use
Definition: sys_time.h:64
sys_time.h
Architecture independent timing functions.
sys_time_timer::cb
sys_time_cb cb
Definition: sys_time.h:65
sys_time_arch_init
void sys_time_arch_init(void)
Definition: sys_time_arch.c:49
sys_time
Definition: sys_time.h:71
SYS_TIME_NB_TIMER
#define SYS_TIME_NB_TIMER
Definition: sys_time.h:40
sys_time::nb_sec_rem
volatile uint32_t nb_sec_rem
remainder of seconds since startup in CPU_TICKS
Definition: sys_time.h:73
sys_time_timer::end_time
uint32_t end_time
in SYS_TIME_TICKS
Definition: sys_time.h:67
sys_time::nb_sec
volatile uint32_t nb_sec
full seconds since startup
Definition: sys_time.h:72
sys_time::resolution
float resolution
sys_time_timer resolution in seconds
Definition: sys_time.h:77