keyboard/qmk/lib/chibios/os/common/ports/AVR/chcore_timer.h

125 lines
3.7 KiB
C

/*
ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.
This file is part of ChibiOS.
ChibiOS 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.
ChibiOS 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 AVR/chcore_timer.h
* @brief System timer header file.
*
* @addtogroup AVR_TIMER
* @{
*/
#ifndef CHCORE_TIMER_H
#define CHCORE_TIMER_H
/* This is the only header in the HAL designed to be include-able alone.*/
#include "hal_st.h"
/*===========================================================================*/
/* Module constants. */
/*===========================================================================*/
/*===========================================================================*/
/* Module pre-compile time settings. */
/*===========================================================================*/
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Module data structures and types. */
/*===========================================================================*/
/*===========================================================================*/
/* Module macros. */
/*===========================================================================*/
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
/*===========================================================================*/
/* Module inline functions. */
/*===========================================================================*/
/**
* @brief Starts the alarm.
* @note Makes sure that no spurious alarms are triggered after
* this call.
*
* @param[in] time the time to be set for the first alarm
*
* @notapi
*/
static inline void port_timer_start_alarm(systime_t time) {
stStartAlarm(time);
}
/**
* @brief Stops the alarm interrupt.
*
* @notapi
*/
static inline void port_timer_stop_alarm(void) {
stStopAlarm();
}
/**
* @brief Sets the alarm time.
*
* @param[in] time the time to be set for the next alarm
*
* @notapi
*/
static inline void port_timer_set_alarm(systime_t time) {
stSetAlarm(time);
}
/**
* @brief Returns the system time.
*
* @return The system time.
*
* @notapi
*/
static inline systime_t port_timer_get_time(void) {
return stGetCounter();
}
/**
* @brief Returns the current alarm time.
*
* @return The currently set alarm time.
*
* @notapi
*/
static inline systime_t port_timer_get_alarm(void) {
return stGetAlarm();
}
#endif /* CHCORE_TIMER_H */
/** @} */