67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
/*
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epple2
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Copyright (C) 2018 by Christopher A. Mosher <cmosher01@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY, without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "drivemotor.h"
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#include "e2const.h"
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//#include <cstdio>
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DriveMotor::DriveMotor():
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on(false),
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pendingTicks(0) {
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}
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DriveMotor::~DriveMotor() {
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}
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bool DriveMotor::isOn() const {
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return this->on;
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}
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void DriveMotor::power(bool on) {
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if (on) {
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this->on = true;
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if (this->pendingTicks > 0) {
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this->pendingTicks = 0;
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// printf("MOTOR: cancel pending power off\n");
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}
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// printf("MOTOR: power on\n");
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} else {
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// delay power-off by about one second (a little longer, for momentum)
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// U.A.II, p. 9-13 (NE556 timer)
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this->pendingTicks = (int)(E2Const::AVG_CPU_HZ*1.2);
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// printf("MOTOR: power off pending...\n");
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}
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}
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void DriveMotor::reset() {
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// immediate power off
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// U.A.II, p. 9-13
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this->on = false;
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// printf("MOTOR: power off (immediate)\n");
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}
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void DriveMotor::tick() {
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if (this->pendingTicks > 0) {
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--this->pendingTicks;
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if (this->pendingTicks == 0){
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this->on = false;
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// printf("MOTOR: power off\n");
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}
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}
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}
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