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-rw-r--r--quantum/beeps.c265
1 files changed, 0 insertions, 265 deletions
diff --git a/quantum/beeps.c b/quantum/beeps.c
deleted file mode 100644
index 7586ebc522..0000000000
--- a/quantum/beeps.c
+++ /dev/null
@@ -1,265 +0,0 @@
-#include <stdio.h>
-#include <string.h>
-#include <math.h>
-#include <avr/pgmspace.h>
-#include <avr/interrupt.h>
-#include <avr/io.h>
-
-#include "beeps.h"
-#include "keymap_common.h"
-#include "wave.h"
-
-#define PI 3.14159265
-
-#define SAMPLE_DIVIDER 39
-#define SAMPLE_RATE (2000000.0/SAMPLE_DIVIDER/2048)
-// Resistor value of 1/ (2 * PI * 10nF * (2000000 hertz / SAMPLE_DIVIDER / 10)) for 10nF cap
-
-void delay_us(int count) {
- while(count--) {
- _delay_us(1);
- }
-}
-
-int voices = 0;
-double frequency = 0;
-int volume = 0;
-long position = 0;
-
-double frequencies[8] = {0, 0, 0, 0, 0, 0, 0, 0};
-int volumes[8] = {0, 0, 0, 0, 0, 0, 0, 0};
-bool sliding = false;
-#define RANGE 1000
-volatile int i=0; //elements of the wave
-
-int max = 0xFF;
-float sum = 0;
-int value = 128;
-float place = 0;
-
-uint16_t place_int = 0;
-bool repeat = true;
-uint8_t * sample;
-uint16_t sample_length = 0;
-
-
-bool notes = false;
-float note_frequency = 0;
-float note_length = 0;
-uint16_t note_position = 0;
-float (* notes_pointer)[][2];
-uint8_t notes_length;
-bool notes_repeat;
-uint8_t current_note = 0;
-
-void stop_all_notes() {
- voices = 0;
- TIMSK3 &= ~_BV(OCIE3A);
- notes = false;
- playing_notes = false;
- frequency = 0;
- volume = 0;
-
- for (int i = 0; i < 8; i++) {
- frequencies[i] = 0;
- volumes[i] = 0;
- }
-}
-
-void stop_note(double freq) {
- freq = freq / SAMPLE_RATE;
- for (int i = 7; i >= 0; i--) {
- if (frequencies[i] == freq) {
- frequencies[i] = 0;
- volumes[i] = 0;
- for (int j = i; (j < 7); j++) {
- frequencies[j] = frequencies[j+1];
- frequencies[j+1] = 0;
- volumes[j] = volumes[j+1];
- volumes[j+1] = 0;
- }
- }
- }
- voices--;
- if (voices < 0)
- voices = 0;
- if (voices == 0) {
- TIMSK3 &= ~_BV(OCIE3A);
- frequency = 0;
- volume = 0;
- } else {
- double freq = frequencies[voices - 1];
- int vol = volumes[voices - 1];
- double starting_f = frequency;
- if (frequency < freq) {
- sliding = true;
- for (double f = starting_f; f <= freq; f += ((freq - starting_f) / 500.0)) {
- frequency = f;
- }
- sliding = false;
- } else if (frequency > freq) {
- sliding = true;
- for (double f = starting_f; f >= freq; f -= ((starting_f - freq) / 500.0)) {
- frequency = f;
- }
- sliding = false;
- }
- frequency = freq;
- volume = vol;
- }
-}
-
-void init_notes() {
-
- PLLFRQ = _BV(PDIV2);
- PLLCSR = _BV(PLLE);
- while(!(PLLCSR & _BV(PLOCK)));
- PLLFRQ |= _BV(PLLTM0); /* PCK 48MHz */
-
- /* Init a fast PWM on Timer4 */
- TCCR4A = _BV(COM4A0) | _BV(PWM4A); /* Clear OC4A on Compare Match */
- TCCR4B = _BV(CS40); /* No prescaling => f = PCK/256 = 187500Hz */
- OCR4A = 0;
-
- /* Enable the OC4A output */
- DDRC |= _BV(PORTC6);
-
- TIMSK3 &= ~_BV(OCIE3A); // Turn off 3A interputs
-
- TCCR3A = 0x0; // Options not needed
- TCCR3B = _BV(CS31) | _BV(CS30) | _BV(WGM32); // 64th prescaling and CTC
- OCR3A = SAMPLE_DIVIDER - 1; // Correct count/compare, related to sample playback
-
- playing_notes = false;
-
-}
-
-
-ISR(TIMER3_COMPA_vect) {
-
-
- // SINE
- // OCR4A = pgm_read_byte(&sinewave[(uint16_t)place]);
-
- // SQUARE
- // if (((int)place) >= 1024){
- // OCR4A = 0xFF;
- // } else {
- // OCR4A = 0x00;
- // }
-
- // SAWTOOTH
- // OCR4A = (int)place / 4;
-
- // TRIANGLE
- // if (((int)place) >= 1024) {
- // OCR4A = (int)place / 2;
- // } else {
- // OCR4A = 2048 - (int)place / 2;
- // }
-
- // place += frequency;
-
- // if (place >= SINE_LENGTH)
- // if (repeat)
- // place -= SINE_LENGTH;
- // else
- // TIMSK3 &= ~_BV(OCIE3A);
-
- // SAMPLE
- // OCR4A = pgm_read_byte(&sample[(uint16_t)place_int]);
-
- // place_int++;
-
- // if (place_int >= sample_length)
- // if (repeat)
- // place_int -= sample_length;
- // else
- // TIMSK3 &= ~_BV(OCIE3A);
-
-
- if (notes) {
- OCR4A = pgm_read_byte(&sinewave[(uint16_t)place]) >> 0;
-
- place += note_frequency;
- if (place >= SINE_LENGTH)
- place -= SINE_LENGTH;
- note_position++;
- if (note_position >= note_length) {
- current_note++;
- if (current_note >= notes_length) {
- if (notes_repeat) {
- current_note = 0;
- } else {
- TIMSK3 &= ~_BV(OCIE3A);
- notes = false;
- playing_notes = false;
- return;
- }
- }
- note_frequency = (*notes_pointer)[current_note][0] / SAMPLE_RATE;
- note_length = (*notes_pointer)[current_note][1];
- note_position = 0;
- }
-
- }
-
-}
-
-void play_notes(float (*np)[][2], uint8_t n_length, bool n_repeat) {
- notes = true;
-
- notes_pointer = np;
- notes_length = n_length;
- notes_repeat = n_repeat;
-
- place = 0;
- current_note = 0;
- note_frequency = (*notes_pointer)[current_note][0] / SAMPLE_RATE;
- note_length = (*notes_pointer)[current_note][1];
- // note_frequency = 880.0 / SAMPLE_RATE;
- // note_length = 1000;
- note_position = 0;
-
-
- TIMSK3 |= _BV(OCIE3A);
- playing_notes = true;
-}
-
-void play_sample(uint8_t * s, uint16_t l, bool r) {
- place_int = 0;
- sample = s;
- sample_length = l;
- repeat = r;
-
- TIMSK3 |= _BV(OCIE3A);
- playing_notes = true;
-}
-
-void play_note(double freq, int vol) {
-
- freq = freq / SAMPLE_RATE;
- if (freq > 0) {
- if (frequency != 0) {
- double starting_f = frequency;
- if (frequency < freq) {
- for (double f = starting_f; f <= freq; f += ((freq - starting_f) / 500.0)) {
- frequency = f;
- }
- } else if (frequency > freq) {
- for (double f = starting_f; f >= freq; f -= ((starting_f - freq) / 500.0)) {
- frequency = f;
- }
- }
- }
- frequency = freq;
- volume = vol;
-
- frequencies[voices] = frequency;
- volumes[voices] = volume;
- voices++;
- }
-
- TIMSK3 |= _BV(OCIE3A);
-
-} \ No newline at end of file
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