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