Firmware/Marlin/stopwatch.cpp

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2017-02-25 11:15:18 +01:00
/**
* Marlin 3D Printer Firmware
* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
*
* This program 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.
*
* 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "stopwatch.h"
#include "Marlin.h"
Stopwatch::State Stopwatch::state;
millis_t Stopwatch::accumulator;
millis_t Stopwatch::startTimestamp;
millis_t Stopwatch::stopTimestamp;
bool Stopwatch::stop() {
#if ENABLED(DEBUG_STOPWATCH)
Stopwatch::debug(PSTR("stop"));
#endif
if (isRunning() || isPaused()) {
state = STOPPED;
stopTimestamp = millis();
return true;
}
else return false;
}
bool Stopwatch::pause() {
#if ENABLED(DEBUG_STOPWATCH)
Stopwatch::debug(PSTR("pause"));
#endif
if (isRunning()) {
state = PAUSED;
stopTimestamp = millis();
return true;
}
else return false;
}
bool Stopwatch::start() {
#if ENABLED(DEBUG_STOPWATCH)
Stopwatch::debug(PSTR("start"));
#endif
if (!isRunning()) {
if (isPaused()) accumulator = duration();
else reset();
state = RUNNING;
startTimestamp = millis();
return true;
}
else return false;
}
void Stopwatch::reset() {
#if ENABLED(DEBUG_STOPWATCH)
Stopwatch::debug(PSTR("reset"));
#endif
state = STOPPED;
startTimestamp = 0;
stopTimestamp = 0;
accumulator = 0;
}
bool Stopwatch::isRunning() {
return (state == RUNNING) ? true : false;
}
bool Stopwatch::isPaused() {
return (state == PAUSED) ? true : false;
}
millis_t Stopwatch::duration() {
return (((isRunning()) ? millis() : stopTimestamp)
- startTimestamp) / 1000UL + accumulator;
}
#if ENABLED(DEBUG_STOPWATCH)
void Stopwatch::debug(const char func[]) {
if (DEBUGGING(INFO)) {
SERIAL_ECHOPGM("Stopwatch::");
serialprintPGM(func);
SERIAL_ECHOLNPGM("()");
}
}
#endif