diff options
Diffstat (limited to 'watch-library/simulator/watch/watch_buzzer.c')
-rw-r--r-- | watch-library/simulator/watch/watch_buzzer.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/watch-library/simulator/watch/watch_buzzer.c b/watch-library/simulator/watch/watch_buzzer.c new file mode 100644 index 00000000..f19e1928 --- /dev/null +++ b/watch-library/simulator/watch/watch_buzzer.c @@ -0,0 +1,60 @@ +/* + * 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) { + // TODO: (a2) hook to UI +} +inline void watch_set_buzzer_period(uint32_t period) { + // TODO: (a2) hook to UI +} + +void watch_disable_buzzer(void) { + _watch_disable_tcc(); +} + +inline void watch_set_buzzer_on(void) { + // TODO: (a2) hook to UI +} + +inline void watch_set_buzzer_off(void) { + // TODO: (a2) hook to UI +} + +// note: the buzzer uses a 1 MHz clock. these values were determined by dividing 1,000,000 by the target frequency. +// i.e. for a 440 Hz tone (A4 on the piano), 1MHz/440Hz = 2273 +const uint16_t NotePeriods[108] = {0}; + +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(); +} |