note seq, start-up beeps, function beeps
This commit is contained in:
Jack Humbert
parent
263344d42f
commit
4c100dbbef
3 changed files with 183 additions and 46 deletions
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@ -2,6 +2,7 @@
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// #include "backlight.h"
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#include "action_layer.h"
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#include "keymap_midi.h"
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#include "beeps.h"
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#include <avr/boot.h>
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const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
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@ -63,12 +64,26 @@ uint16_t hextokeycode(int hex) {
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}
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}
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float walk_up[][2] = {
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{440.0*pow(2.0,(60)/12.0), 400},
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{0, 50},
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{440.0*pow(2.0,(67)/12.0), 400},
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};
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float walk_dn[][2] = {
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{440.0*pow(2.0,(67)/12.0), 400},
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{0, 50},
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{440.0*pow(2.0,(60)/12.0), 400},
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};
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const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
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{
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// MACRODOWN only works in this function
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switch(id) {
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case 0:
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if (record->event.pressed) {
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play_notes(&walk_up, 3, false);
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// play_note(440, 20);
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// register_code(KC_RSFT);
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// backlight_set(BACKLIGHT_LEVELS);
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@ -107,7 +122,7 @@ const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
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// note(0+24, 20);
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} else {
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unregister_code(KC_RSFT);
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stop_all_notes();
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play_notes(&walk_dn, 3, false);
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// backlight_set(0);
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default_layer_and(0);
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default_layer_or(0);
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@ -120,32 +135,58 @@ const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
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return MACRO_NONE;
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};
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float start_up[][2] = {
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{440.0*pow(2.0,(67)/12.0), 600},
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{0, 50},
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{440.0*pow(2.0,(64)/12.0), 400},
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{0, 50},
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{440.0*pow(2.0,(55)/12.0), 400},
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{0, 50},
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{440.0*pow(2.0,(60)/12.0), 400},
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{0, 50},
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{440.0*pow(2.0,(64)/12.0), 1000},
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};
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void * matrix_init_user(void) {
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init_notes();
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play_note(((double)261.6*3)*pow(2.0,(36)/12.0), 0xF);
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_delay_ms(50);
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play_notes(&start_up, 9, false);
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// play_note(((double)261.6*3)*pow(2.0,(36)/12.0), 0xF);
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// _delay_ms(50);
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play_note(((double)261.6*3)*pow(2.0,(48)/12.0), 0xF);
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_delay_ms(25);
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stop_note(((double)261.6*3)*pow(2.0,(48)/12.0));
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// play_note(((double)261.6*3)*pow(2.0,(48)/12.0), 0xF);
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// _delay_ms(25);
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// stop_note(((double)261.6*3)*pow(2.0,(48)/12.0));
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play_note(((double)261.6*3)*pow(2.0,(48)/12.0), 0xF);
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_delay_ms(25);
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stop_note(((double)261.6*3)*pow(2.0,(48)/12.0));
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// play_note(((double)261.6*3)*pow(2.0,(48)/12.0), 0xF);
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// _delay_ms(25);
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// stop_note(((double)261.6*3)*pow(2.0,(48)/12.0));
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stop_note(((double)261.6*3)*pow(2.0,(36)/12.0));
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// stop_note(((double)261.6*3)*pow(2.0,(36)/12.0));
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play_note(((double)261.6*3)*pow(2.0,(62)/12.0), 0xF);
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_delay_ms(50);
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stop_note(((double)261.6*3)*pow(2.0,(62)/12.0));
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// play_note(((double)261.6*3)*pow(2.0,(62)/12.0), 0xF);
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// _delay_ms(50);
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// stop_note(((double)261.6*3)*pow(2.0,(62)/12.0));
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play_note(((double)261.6*3)*pow(2.0,(64)/12.0), 0xF);
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_delay_ms(50);
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stop_note(((double)261.6*3)*pow(2.0,(64)/12.0));
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// play_note(((double)261.6*3)*pow(2.0,(64)/12.0), 0xF);
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// _delay_ms(50);
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// stop_note(((double)261.6*3)*pow(2.0,(64)/12.0));
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}
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// void * matrix_scan_user(void) {
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// if (layer_state & (1<<2)) {
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// if (!playing_notes)
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// play_notes(&start_up, 9, true);
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// } else if (layer_state & (1<<3)) {
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// if (!playing_notes)
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// play_notes(&start_up, 9, true);
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// } else {
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// if (playing_notes)
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// stop_all_notes();
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// }
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// }
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121
quantum/beeps.c
121
quantum/beeps.c
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@ -11,8 +11,8 @@
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#define PI 3.14159265
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#define SAMPLE_DIVIDER 70
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#define SAMPLE_RATE (2000000.0/SAMPLE_DIVIDER/256)
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#define SAMPLE_DIVIDER 39
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#define SAMPLE_RATE (2000000.0/SAMPLE_DIVIDER/2048)
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// Resistor value of 1/ (2 * PI * 10nF * (2000000 hertz / SAMPLE_DIVIDER / 10)) for 10nF cap
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void delay_us(int count) {
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@ -32,9 +32,31 @@ bool sliding = false;
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#define RANGE 1000
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volatile int i=0; //elements of the wave
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int max = 0xFF;
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float sum = 0;
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int value = 128;
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float place = 0;
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uint16_t place_int = 0;
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bool repeat = true;
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uint8_t * sample;
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uint16_t sample_length = 0;
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bool notes = false;
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float note_frequency = 0;
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float note_length = 0;
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uint16_t note_position = 0;
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float (* notes_pointer)[][2];
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uint8_t notes_length;
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bool notes_repeat;
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uint8_t current_note = 0;
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void stop_all_notes() {
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voices = 0;
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TIMSK3 &= ~_BV(OCIE3A);
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notes = false;
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playing_notes = false;
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frequency = 0;
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volume = 0;
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@ -102,17 +124,22 @@ void init_notes() {
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/* Enable the OC4A output */
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DDRC |= _BV(PORTC6);
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TIMSK3 &= ~_BV(OCIE3A); // Turn off 3A interputs
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TCCR3A = 0x0; // Options not needed
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TCCR3B = _BV(CS31) | _BV(CS30) | _BV(WGM32); // 64th prescaling and CTC
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OCR3A = SAMPLE_DIVIDER - 1; // Correct count/compare, related to sample playback
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playing_notes = false;
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}
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int max = 0xFF;
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float sum = 0;
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int value = 128;
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float place = 0;
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ISR(TIMER3_COMPA_vect) {
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// SINE
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OCR4A = pgm_read_byte(&sinewave[(uint16_t)place]);
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// OCR4A = pgm_read_byte(&sinewave[(uint16_t)place]);
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// SQUARE
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// if (((int)place) >= 1024){
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@ -131,12 +158,84 @@ ISR(TIMER3_COMPA_vect) {
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// OCR4A = 2048 - (int)place / 2;
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// }
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place += frequency;
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// place += frequency;
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// if (place >= SINE_LENGTH)
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// if (repeat)
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// place -= SINE_LENGTH;
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// else
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// TIMSK3 &= ~_BV(OCIE3A);
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// SAMPLE
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// OCR4A = pgm_read_byte(&sample[(uint16_t)place_int]);
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// place_int++;
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// if (place_int >= sample_length)
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// if (repeat)
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// place_int -= sample_length;
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// else
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// TIMSK3 &= ~_BV(OCIE3A);
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if (notes) {
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OCR4A = pgm_read_byte(&sinewave[(uint16_t)place]) >> 0;
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place += note_frequency;
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if (place >= SINE_LENGTH)
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place -= SINE_LENGTH;
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note_position++;
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if (note_position >= note_length) {
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current_note++;
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if (current_note >= notes_length) {
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if (notes_repeat) {
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current_note = 0;
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} else {
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TIMSK3 &= ~_BV(OCIE3A);
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notes = false;
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playing_notes = false;
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return;
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}
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}
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note_frequency = (*notes_pointer)[current_note][0] / SAMPLE_RATE;
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note_length = (*notes_pointer)[current_note][1];
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note_position = 0;
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}
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}
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}
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void play_notes(float (*np)[][2], uint8_t n_length, bool n_repeat) {
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notes = true;
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notes_pointer = np;
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notes_length = n_length;
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notes_repeat = n_repeat;
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place = 0;
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current_note = 0;
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note_frequency = (*notes_pointer)[current_note][0] / SAMPLE_RATE;
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note_length = (*notes_pointer)[current_note][1];
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// note_frequency = 880.0 / SAMPLE_RATE;
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// note_length = 1000;
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note_position = 0;
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TIMSK3 |= _BV(OCIE3A);
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playing_notes = true;
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}
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void play_sample(uint8_t * s, uint16_t l, bool r) {
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place_int = 0;
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sample = s;
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sample_length = l;
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repeat = r;
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TIMSK3 |= _BV(OCIE3A);
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playing_notes = true;
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}
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void play_note(double freq, int vol) {
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freq = freq / SAMPLE_RATE;
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@ -161,12 +260,6 @@ void play_note(double freq, int vol) {
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voices++;
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}
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TIMSK3 &= ~_BV(OCIE3A);
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TCCR3A = 0x0;
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TCCR3B = _BV(CS31) | _BV(WGM32);
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OCR3A = SAMPLE_DIVIDER - 1;
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TIMSK3 |= _BV(OCIE3A);
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}
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@ -3,10 +3,13 @@
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#include <avr/io.h>
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#include <util/delay.h>
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void note(int x, float length);
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void beeps();
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void true_note(float x, float y, float length);
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bool playing_notes;
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void play_sample(uint8_t * s, uint16_t l, bool r);
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void play_note(double freq, int vol);
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void stop_note(double freq);
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void stop_all_notes();
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void init_notes();
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void play_notes(float (*np)[][2], uint8_t n_length, bool n_repeat);
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