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author | Damien <Dbroqua@users.noreply.github.com> | 2017-03-05 22:58:13 +0100 |
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committer | GitHub <noreply@github.com> | 2017-03-05 22:58:13 +0100 |
commit | 24ec8f509703cbaf9de7b41d251dbb7fcd339559 (patch) | |
tree | 90f4f9adf406d92c6817c412256904a97c716daf /quantum/fauxclicky.c | |
parent | b7b94bfb132aa5f2f79b587fcfa6b1197485db27 (diff) | |
parent | 615bfc4eca8204b73c592a076ca02aeaeceb7e1e (diff) | |
download | qmk_firmware-24ec8f509703cbaf9de7b41d251dbb7fcd339559.tar.gz qmk_firmware-24ec8f509703cbaf9de7b41d251dbb7fcd339559.tar.xz |
Merge pull request #18 from qmk/master
Merge from qmk
Diffstat (limited to 'quantum/fauxclicky.c')
-rw-r--r-- | quantum/fauxclicky.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/quantum/fauxclicky.c b/quantum/fauxclicky.c new file mode 100644 index 000000000..13273e705 --- /dev/null +++ b/quantum/fauxclicky.c @@ -0,0 +1,68 @@ +/* +Copyright 2017 Priyadi Iman Nurcahyo + +This program is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 2 of the License, or +(at your option) any later version. +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. +You should have received a copy of the GNU General Public License +along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include <avr/interrupt.h> +#include <avr/io.h> +#include <timer.h> +#include <fauxclicky.h> +#include <stdbool.h> +#include <musical_notes.h> + +__attribute__ ((weak)) +float fauxclicky_pressed_note[2] = MUSICAL_NOTE(_F3, 2); +__attribute__ ((weak)) +float fauxclicky_released_note[2] = MUSICAL_NOTE(_A3, 2); +__attribute__ ((weak)) +float fauxclicky_beep_note[2] = MUSICAL_NOTE(_C3, 2); + +bool fauxclicky_enabled = true; +uint16_t note_start = 0; +bool note_playing = false; +uint16_t note_period = 0; + +void fauxclicky_init() +{ + // Set port PC6 (OC3A and /OC4A) as output + DDRC |= _BV(PORTC6); + + // TCCR3A / TCCR3B: Timer/Counter #3 Control Registers + TCCR3A = (0 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (0 << WGM30); + TCCR3B = (1 << WGM33) | (1 << WGM32) | (0 << CS32) | (1 << CS31) | (0 << CS30); +} + +void fauxclicky_stop() +{ + FAUXCLICKY_DISABLE_OUTPUT; + note_playing = false; +} + +void fauxclicky_play(float note[2]) { + if (!fauxclicky_enabled) return; + if (note_playing) fauxclicky_stop(); + FAUXCLICKY_TIMER_PERIOD = (uint16_t)(((float)F_CPU) / (note[0] * FAUXCLICKY_CPU_PRESCALER)); + FAUXCLICKY_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (note[0] * FAUXCLICKY_CPU_PRESCALER)) / 2); + note_playing = true; + note_period = (note[1] / 16) * (60 / (float)FAUXCLICKY_TEMPO) * 100; // check this + note_start = timer_read(); + FAUXCLICKY_ENABLE_OUTPUT; +} + +void fauxclicky_check() { + if (!note_playing) return; + + if (timer_elapsed(note_start) > note_period) { + fauxclicky_stop(); + } +} |