85 lines
2.4 KiB
C++
85 lines
2.4 KiB
C++
/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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*
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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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*
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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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*
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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 <https://www.gnu.org/licenses/>.
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*
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*/
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#include "../inc/MarlinConfig.h"
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#if USE_BEEPER
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#include "buzzer.h"
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#include "../module/temperature.h"
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#include "../lcd/marlinui.h"
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#if ENABLED(EXTENSIBLE_UI)
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#include "../lcd/extui/ui_api.h"
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#endif
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Buzzer::state_t Buzzer::state;
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CircularQueue<tone_t, TONE_QUEUE_LENGTH> Buzzer::buffer;
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Buzzer buzzer;
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/**
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* @brief Add a tone to the queue
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* @details Adds a tone_t structure to the ring buffer, will block IO if the
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* queue is full waiting for one slot to get available.
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*
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* @param duration Duration of the tone in milliseconds
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* @param frequency Frequency of the tone in hertz
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*/
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void Buzzer::tone(const uint16_t duration, const uint16_t frequency/*=0*/) {
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if (!ui.buzzer_enabled) return;
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while (buffer.isFull()) {
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tick();
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thermalManager.manage_heater();
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}
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tone_t tone = { duration, frequency };
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buffer.enqueue(tone);
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}
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void Buzzer::tick() {
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if (!ui.buzzer_enabled) return;
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const millis_t now = millis();
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if (!state.endtime) {
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if (buffer.isEmpty()) return;
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state.tone = buffer.dequeue();
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state.endtime = now + state.tone.duration;
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if (state.tone.frequency > 0) {
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#if ENABLED(EXTENSIBLE_UI) && DISABLED(EXTUI_LOCAL_BEEPER)
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CRITICAL_SECTION_START();
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ExtUI::onPlayTone(state.tone.frequency, state.tone.duration);
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CRITICAL_SECTION_END();
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#elif ENABLED(SPEAKER)
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CRITICAL_SECTION_START();
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::tone(BEEPER_PIN, state.tone.frequency, state.tone.duration);
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CRITICAL_SECTION_END();
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#else
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on();
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#endif
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}
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}
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else if (ELAPSED(now, state.endtime)) reset();
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}
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#endif // USE_BEEPER
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