61 lines
2.1 KiB
C
61 lines
2.1 KiB
C
/*
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* MIT License
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*
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* Copyright (c) 2020 Joey Castillo
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "watch_buzzer.h"
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inline void watch_enable_buzzer(void) {
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if (!hri_tcc_get_CTRLA_reg(TCC0, TCC_CTRLA_ENABLE)) {
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_watch_enable_tcc();
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}
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}
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inline void watch_set_buzzer_period(uint32_t period) {
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hri_tcc_write_PERBUF_reg(TCC0, period);
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}
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void watch_disable_buzzer(void) {
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_watch_disable_tcc();
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}
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inline void watch_set_buzzer_on(void) {
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gpio_set_pin_direction(BUZZER, GPIO_DIRECTION_OUT);
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gpio_set_pin_function(BUZZER, WATCH_BUZZER_TCC_PINMUX);
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}
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inline void watch_set_buzzer_off(void) {
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gpio_set_pin_direction(BUZZER, GPIO_DIRECTION_OFF);
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gpio_set_pin_function(BUZZER, GPIO_PIN_FUNCTION_OFF);
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}
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void watch_buzzer_play_note(BuzzerNote note, uint16_t duration_ms) {
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if (note == BUZZER_NOTE_REST) {
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watch_set_buzzer_off();
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} else {
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hri_tcc_write_PERBUF_reg(TCC0, NotePeriods[note]);
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hri_tcc_write_CCBUF_reg(TCC0, WATCH_BUZZER_TCC_CHANNEL, NotePeriods[note] / 2);
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watch_set_buzzer_on();
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}
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delay_ms(duration_ms);
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watch_set_buzzer_off();
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}
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