mirror of https://github.com/PentHertz/srsLTE.git
152 lines
3.5 KiB
C++
152 lines
3.5 KiB
C++
/**
|
|
*
|
|
* \section COPYRIGHT
|
|
*
|
|
* Copyright 2013-2015 Software Radio Systems Limited
|
|
*
|
|
* \section LICENSE
|
|
*
|
|
* This file is part of the srsUE library.
|
|
*
|
|
* srsUE is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as
|
|
* published by the Free Software Foundation, either version 3 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* srsUE 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 Affero General Public License for more details.
|
|
*
|
|
* A copy of the GNU Affero General Public License can be found in
|
|
* the LICENSE file in the top-level directory of this distribution
|
|
* and at http://www.gnu.org/licenses/.
|
|
*
|
|
*/
|
|
|
|
|
|
/******************************************************************************
|
|
* File: timers.h
|
|
* Description: Manually incremented timers. Call a callback function upon
|
|
* expiry.
|
|
* Reference:
|
|
*****************************************************************************/
|
|
|
|
#ifndef TIMERS_H
|
|
#define TIMERS_H
|
|
|
|
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <vector>
|
|
#include <time.h>
|
|
|
|
namespace srslte {
|
|
|
|
class timer_callback
|
|
{
|
|
public:
|
|
virtual void timer_expired(uint32_t timer_id) = 0;
|
|
};
|
|
|
|
class timers
|
|
{
|
|
public:
|
|
class timer
|
|
{
|
|
public:
|
|
timer(uint32_t id_=0) {id = id_; counter = 0; timeout = 0; running = false; callback = NULL; }
|
|
void set(timer_callback *callback_, uint32_t timeout_) {
|
|
callback = callback_;
|
|
timeout = timeout_;
|
|
reset();
|
|
}
|
|
bool is_running() {
|
|
return (counter < timeout) && running;
|
|
}
|
|
bool is_expired() {
|
|
return callback && (counter >= timeout || !running);
|
|
}
|
|
uint32_t get_timeout() {
|
|
return timeout;
|
|
}
|
|
void reset() {
|
|
counter = 0;
|
|
}
|
|
void step() {
|
|
if (running) {
|
|
counter++;
|
|
if (is_expired()) {
|
|
running = false;
|
|
if (callback) {
|
|
callback->timer_expired(id);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
void stop() {
|
|
running = false;
|
|
}
|
|
void run() {
|
|
running = true;
|
|
}
|
|
uint32_t id;
|
|
private:
|
|
timer_callback *callback;
|
|
uint32_t timeout;
|
|
uint32_t counter;
|
|
bool running;
|
|
};
|
|
|
|
timers(uint32_t nof_timers_) : timer_list(nof_timers_) {
|
|
nof_timers = nof_timers_;
|
|
next_timer = 0;
|
|
for (uint32_t i=0;i<nof_timers;i++) {
|
|
timer_list[i].id = i;
|
|
}
|
|
}
|
|
|
|
void step_all() {
|
|
for (uint32_t i=0;i<nof_timers;i++) {
|
|
get(i)->step();
|
|
}
|
|
}
|
|
void stop_all() {
|
|
for (uint32_t i=0;i<nof_timers;i++) {
|
|
get(i)->stop();
|
|
}
|
|
}
|
|
void run_all() {
|
|
for (uint32_t i=0;i<nof_timers;i++) {
|
|
get(i)->run();
|
|
}
|
|
}
|
|
void reset_all() {
|
|
for (uint32_t i=0;i<nof_timers;i++) {
|
|
get(i)->reset();
|
|
}
|
|
}
|
|
timer *get(uint32_t i) {
|
|
if (i < nof_timers) {
|
|
return &timer_list[i];
|
|
} else {
|
|
printf("Error accessing invalid timer %d (Only %d timers available)\n", i, nof_timers);
|
|
return NULL;
|
|
}
|
|
}
|
|
uint32_t get_unique_id() {
|
|
if (next_timer == nof_timers){
|
|
printf("No more unique timer ids (Only %d timers available)\n", nof_timers);
|
|
next_timer = 0;
|
|
}
|
|
return next_timer++;
|
|
}
|
|
private:
|
|
uint32_t nof_timers;
|
|
uint32_t next_timer;
|
|
std::vector<timer> timer_list;
|
|
};
|
|
|
|
} // namespace srslte
|
|
|
|
#endif // TIMERS_H
|