Git-Mirrors/OpenModem
1
0
Fork 0
mirror of https://github.com/markqvist/OpenModem.git synced 2025-05-21 15:50:32 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Working

Browse source
This commit is contained in:
Mark Qvist 2014-04-03 22:21:37 +02:00
commit c898b090dd
1049 changed files with 288572 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

92
bertos/emul/timer_posix.c Normal file
View file

@ -0,0 +1,92 @@
/**
* \file
* <!--
* This file is part of BeRTOS.
*
* Bertos 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 2 of the License, or
* (at your option) any later version.
*
* This program 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As a special exception, you may use this file as part of a free software
* library without restriction. Specifically, if other files instantiate
* templates or use macros or inline functions from this file, or you compile
* this file and link it with other files to produce an executable, this
* file does not by itself cause the resulting executable to be covered by
* the GNU General Public License. This exception does not however
* invalidate any other reasons why the executable file might be covered by
* the GNU General Public License.
*
* Copyright 2005, 2008 Develer S.r.l. (http://www.develer.com/)
* -->
*
* \brief Low-level timer module for Qt emulator (implementation).
*
* \author Bernie Innocenti <bernie@codewiz.org>
*/
//#include <cfg/compiler.h> // hptime.t
#include <os/hptime.h>
#include <kern/irq.h> // irq_register()
#if !CONFIG_KERN_IRQ
#include <signal.h> // sigaction()
#include <string.h> // memset()
#endif
#include <sys/time.h> // setitimer()
// Forward declaration for the user interrupt server routine.
void timer_isr(int);
/// HW dependent timer initialization.
static void timer_hw_init(void)
{
#if CONFIG_KERN_IRQ
irq_register(SIGALRM, (void (*)(void))timer_isr);
#else // ! CONFIG_KERN_IRQ
struct sigaction sa;
memset(&sa, 0, sizeof(sa));
// Setup interrupt callback
sa.sa_handler = timer_isr;
sigemptyset(&sa.sa_mask);
sigaddset(&sa.sa_mask, SIGALRM);
sa.sa_flags = SA_RESTART;
sigaction(SIGALRM, &sa, NULL);
#endif // CONFIG_KERN_IRQ
// Setup POSIX realtime timer to interrupt every 1/TIMER_TICKS_PER_SEC.
static const struct itimerval itv =
{
{ 0, 1000000 / TIMER_TICKS_PER_SEC }, /* it_interval */
{ 0, 1000000 / TIMER_TICKS_PER_SEC } /* it_value */
};
setitimer(ITIMER_REAL, &itv, NULL);
}
static void timer_hw_cleanup(void)
{
static const struct itimerval itv =
{
{ 0, 0 }, /* it_interval */
{ 0, 0 } /* it_value */
};
setitimer(ITIMER_REAL, &itv, NULL);
signal(SIGALRM, SIG_DFL);
}
INLINE hptime_t timer_hw_hpread(void)
{
return hptime_get();
}
#define timer_hw_triggered() (true)