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-rw-r--r--quantum/audio.c146
1 files changed, 101 insertions, 45 deletions
diff --git a/quantum/audio.c b/quantum/audio.c
index 50e5505fe..5edcccdbe 100644
--- a/quantum/audio.c
+++ b/quantum/audio.c
@@ -8,6 +8,8 @@
#include "audio.h"
#include "keymap_common.h"
+#include "eeconfig.h"
+
#define PI 3.14159265
// #define PWM_AUDIO
@@ -30,6 +32,8 @@ int voice_place = 0;
double frequency = 0;
int volume = 0;
long position = 0;
+int duty_place = 1;
+int duty_counter = 0;
double frequencies[8] = {0, 0, 0, 0, 0, 0, 0, 0};
int volumes[8] = {0, 0, 0, 0, 0, 0, 0, 0};
@@ -57,6 +61,25 @@ uint8_t notes_length;
bool notes_repeat;
uint8_t current_note = 0;
+audio_config_t audio_config;
+
+
+void audio_toggle(void) {
+ audio_config.enable ^= 1;
+ eeconfig_write_audio(audio_config.raw);
+}
+
+void audio_on(void) {
+ audio_config.enable = 1;
+ eeconfig_write_audio(audio_config.raw);
+}
+
+void audio_off(void) {
+ audio_config.enable = 0;
+ eeconfig_write_audio(audio_config.raw);
+}
+
+
void stop_all_notes() {
voices = 0;
#ifdef PWM_AUDIO
@@ -77,58 +100,66 @@ void stop_all_notes() {
}
void stop_note(double freq) {
- #ifdef PWM_AUDIO
- freq = freq / SAMPLE_RATE;
- #endif
- 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) {
+ if (note) {
#ifdef PWM_AUDIO
- TIMSK3 &= ~_BV(OCIE3A);
- #else
- TIMSK3 &= ~_BV(OCIE3A);
- TCCR3A &= ~_BV(COM3A1);
+ freq = freq / SAMPLE_RATE;
#endif
- frequency = 0;
- volume = 0;
- note = false;
- } 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) / 2000.0)) {
- frequency = f;
+ 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;
+ }
}
- sliding = false;
- } else if (frequency > freq) {
- sliding = true;
- for (double f = starting_f; f >= freq; f -= ((starting_f - freq) / 2000.0)) {
- frequency = f;
+ }
+ voices--;
+ if (voices < 0)
+ voices = 0;
+ if (voices == 0) {
+ #ifdef PWM_AUDIO
+ TIMSK3 &= ~_BV(OCIE3A);
+ #else
+ TIMSK3 &= ~_BV(OCIE3A);
+ TCCR3A &= ~_BV(COM3A1);
+ #endif
+ frequency = 0;
+ volume = 0;
+ note = false;
+ } 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) / 2000.0)) {
+ frequency = f;
+ }
+ sliding = false;
+ } else if (frequency > freq) {
+ sliding = true;
+ for (double f = starting_f; f >= freq; f -= ((starting_f - freq) / 2000.0)) {
+ frequency = f;
+ }
+ sliding = false;
}
- sliding = false;
+ frequency = freq;
+ volume = vol;
}
- frequency = freq;
- volume = vol;
}
}
void init_notes() {
+ /* check signature */
+ if (!eeconfig_is_enabled()) {
+ eeconfig_init();
+ }
+ audio_config.raw = eeconfig_read_audio();
+
#ifdef PWM_AUDIO
PLLFRQ = _BV(PDIV2);
PLLCSR = _BV(PLLE);
@@ -160,7 +191,6 @@ void init_notes() {
ISR(TIMER3_COMPA_vect) {
-
if (note) {
#ifdef PWM_AUDIO
if (voices == 1) {
@@ -213,13 +243,19 @@ ISR(TIMER3_COMPA_vect) {
if (frequency > 0) {
// ICR3 = (int)(((double)F_CPU) / frequency); // Set max to the period
// OCR3A = (int)(((double)F_CPU) / frequency) >> 1; // Set compare to half the period
- if (place > 10) {
+ voice_place %= voices;
+ if (place > (frequencies[voice_place] / 500)) {
voice_place = (voice_place + 1) % voices;
place = 0.0;
}
ICR3 = (int)(((double)F_CPU) / frequencies[voice_place]); // Set max to the period
- OCR3A = (int)(((double)F_CPU) / frequencies[voice_place]) >> 1; // Set compare to half the period
+ OCR3A = (int)(((double)F_CPU) / frequencies[voice_place]) >> 1 * duty_place; // Set compare to half the period
place++;
+ // if (duty_counter > (frequencies[voice_place] / 500)) {
+ // duty_place = (duty_place % 3) + 1;
+ // duty_counter = 0;
+ // }
+ // duty_counter++;
}
#endif
}
@@ -288,9 +324,16 @@ ISR(TIMER3_COMPA_vect) {
}
+ if (!audio_config.enable) {
+ notes = false;
+ note = false;
+ }
}
void play_notes(float (*np)[][2], uint8_t n_length, bool n_repeat) {
+
+if (audio_config.enable) {
+
if (note)
stop_all_notes();
notes = true;
@@ -319,7 +362,12 @@ void play_notes(float (*np)[][2], uint8_t n_length, bool n_repeat) {
#endif
}
+}
+
void play_sample(uint8_t * s, uint16_t l, bool r) {
+
+if (audio_config.enable) {
+
stop_all_notes();
place_int = 0;
sample = s;
@@ -330,9 +378,15 @@ void play_sample(uint8_t * s, uint16_t l, bool r) {
TIMSK3 |= _BV(OCIE3A);
#else
#endif
+
+}
+
}
void play_note(double freq, int vol) {
+
+if (audio_config.enable && voices < 8) {
+
if (notes)
stop_all_notes();
note = true;
@@ -367,4 +421,6 @@ void play_note(double freq, int vol) {
TCCR3A |= _BV(COM3A1);
#endif
+}
+
} \ No newline at end of file