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authorStephan Bösebeck2016-04-19 23:07:11 +0200
committerStephan Bösebeck2016-04-19 23:07:11 +0200
commit6ff5e1059256cfd6ec1cb88c12e90f57c10f44ef (patch)
treefa23de88dc8b8d3f3fe6a2e353eaa3ae1e38a1b8 /quantum
parent04f36b36818885475c0b93046726d7e053691e7a (diff)
parenta2ee27715880616a15756e1b9f42183d9fb08051 (diff)
Merge branch 'master' of https://github.com/jackhumbert/qmk_firmware
Diffstat (limited to 'quantum')
-rw-r--r--quantum/audio.c245
-rw-r--r--quantum/audio.h38
-rw-r--r--quantum/keymap_common.c15
-rw-r--r--quantum/musical_notes.h5
-rw-r--r--quantum/song_list.h104
-rw-r--r--quantum/vibrato_lut.h108
6 files changed, 404 insertions, 111 deletions
diff --git a/quantum/audio.c b/quantum/audio.c
index e0413051a..8ea1bf6ff 100644
--- a/quantum/audio.c
+++ b/quantum/audio.c
@@ -10,10 +10,13 @@
#include "eeconfig.h"
+#include "vibrato_lut.h"
+
#define PI 3.14159265
#define CPU_PRESCALER 8
+// Largely untested PWM audio mode (doesn't sound as good)
// #define PWM_AUDIO
#ifdef PWM_AUDIO
@@ -34,8 +37,6 @@ 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};
@@ -51,7 +52,7 @@ uint16_t place_int = 0;
bool repeat = true;
uint8_t * sample;
uint16_t sample_length = 0;
-
+double freq = 0;
bool notes = false;
bool note = false;
@@ -69,6 +70,12 @@ bool note_resting = false;
uint8_t current_note = 0;
uint8_t rest_counter = 0;
+float vibrato_counter = 0;
+float vibrato_strength = .5;
+float vibrato_rate = 0.125;
+
+float polyphony_rate = .5;
+
audio_config_t audio_config;
@@ -87,6 +94,81 @@ void audio_off(void) {
eeconfig_write_audio(audio_config.raw);
}
+// Vibrato rate functions
+
+void set_vibrato_rate(float rate) {
+ vibrato_rate = rate;
+}
+
+void increase_vibrato_rate(float change) {
+ vibrato_rate *= change;
+}
+
+void decrease_vibrato_rate(float change) {
+ vibrato_rate /= change;
+}
+
+#ifdef VIBRATO_STRENGTH_ENABLE
+
+void set_vibrato_strength(float strength) {
+ vibrato_strength = strength;
+}
+
+void increase_vibrato_strength(float change) {
+ vibrato_strength *= change;
+}
+
+void decrease_vibrato_strength(float change) {
+ vibrato_strength /= change;
+}
+
+#endif
+
+// Polyphony functions
+
+void set_polyphony_rate(float rate) {
+ polyphony_rate = rate;
+}
+
+void enable_polyphony() {
+ polyphony_rate = 5;
+}
+
+void disable_polyphony() {
+ polyphony_rate = 0;
+}
+
+void increase_polyphony_rate(float change) {
+ polyphony_rate *= change;
+}
+
+void decrease_polyphony_rate(float change) {
+ polyphony_rate /= change;
+}
+
+// Timbre function
+
+void set_timbre(float timbre) {
+ note_timbre = timbre;
+}
+
+// Tempo functions
+
+void set_tempo(float tempo) {
+ note_tempo = tempo;
+}
+
+void decrease_tempo(uint8_t tempo_change) {
+ note_tempo += (float) tempo_change;
+}
+
+void increase_tempo(uint8_t tempo_change) {
+ if (note_tempo - (float) tempo_change < 10) {
+ note_tempo = 10;
+ } else {
+ note_tempo -= (float) tempo_change;
+ }
+}
void stop_all_notes() {
voices = 0;
@@ -109,6 +191,7 @@ void stop_all_notes() {
void stop_note(double freq) {
if (note) {
+ cli();
#ifdef PWM_AUDIO
freq = freq / SAMPLE_RATE;
#endif
@@ -122,11 +205,15 @@ void stop_note(double freq) {
volumes[j] = volumes[j+1];
volumes[j+1] = 0;
}
+ break;
}
}
voices--;
if (voices < 0)
voices = 0;
+ if (voice_place >= voices) {
+ voice_place = 0;
+ }
if (voices == 0) {
#ifdef PWM_AUDIO
TIMSK3 &= ~_BV(OCIE3A);
@@ -137,26 +224,8 @@ void stop_note(double freq) {
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;
- }
- frequency = freq;
- volume = vol;
}
+ sei();
}
}
@@ -197,6 +266,21 @@ void init_notes() {
#endif
}
+float mod(float a, int b)
+{
+ float r = fmod(a, b);
+ return r < 0 ? r + b : r;
+}
+
+float vibrato(float average_freq) {
+ #ifdef VIBRATO_STRENGTH_ENABLE
+ float vibrated_freq = average_freq * pow(VIBRATO_LUT[(int)vibrato_counter], vibrato_strength);
+ #else
+ float vibrated_freq = average_freq * VIBRATO_LUT[(int)vibrato_counter];
+ #endif
+ vibrato_counter = mod((vibrato_counter + vibrato_rate * (1.0 + 440.0/average_freq)), VIBRATO_LUT_LENGTH);
+ return vibrated_freq;
+}
ISR(TIMER3_COMPA_vect) {
if (note) {
@@ -248,23 +332,37 @@ ISR(TIMER3_COMPA_vect) {
OCR4A = sum;
}
#else
- 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
- voice_place %= voices;
- if (place > (frequencies[voice_place] / 50)) {
- voice_place = (voice_place + 1) % voices;
- place = 0.0;
+ if (voices > 0) {
+ if (polyphony_rate > 0) {
+ if (voices > 1) {
+ voice_place %= voices;
+ if (place++ > (frequencies[voice_place] / polyphony_rate / CPU_PRESCALER)) {
+ voice_place = (voice_place + 1) % voices;
+ place = 0.0;
+ }
+ }
+ if (vibrato_strength > 0) {
+ freq = vibrato(frequencies[voice_place]);
+ } else {
+ freq = frequencies[voice_place];
+ }
+ } else {
+ if (frequency != 0 && frequency < frequencies[voices - 1] && frequency < frequencies[voices - 1] * pow(2, -440/frequencies[voices - 1]/12/2)) {
+ frequency = frequency * pow(2, 440/frequency/12/2);
+ } else if (frequency != 0 && frequency > frequencies[voices - 1] && frequency > frequencies[voices - 1] * pow(2, 440/frequencies[voices - 1]/12/2)) {
+ frequency = frequency * pow(2, -440/frequency/12/2);
+ } else {
+ frequency = frequencies[voices - 1];
+ }
+
+ if (vibrato_strength > 0) {
+ freq = vibrato(frequency);
+ } else {
+ freq = frequency;
+ }
}
- ICR3 = (int)(((double)F_CPU) / (frequencies[voice_place] * CPU_PRESCALER)); // Set max to the period
- OCR3A = (int)((((double)F_CPU) / (frequencies[voice_place] * CPU_PRESCALER)) * note_timbre); // Set compare to half the period
- //OCR3A = (int)(((double)F_CPU) / (frequencies[voice_place] * CPU_PRESCALER)) >> 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++;
+ ICR3 = (int)(((double)F_CPU) / (freq * CPU_PRESCALER)); // Set max to the period
+ OCR3A = (int)((((double)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre); // Set compare to half the period
}
#endif
}
@@ -290,8 +388,16 @@ ISR(TIMER3_COMPA_vect) {
place -= SINE_LENGTH;
#else
if (note_frequency > 0) {
- ICR3 = (int)(((double)F_CPU) / (note_frequency * CPU_PRESCALER)); // Set max to the period
- OCR3A = (int)((((double)F_CPU) / (note_frequency * CPU_PRESCALER)) * note_timbre); // Set compare to half the period
+ float freq;
+
+ if (vibrato_strength > 0) {
+ freq = vibrato(note_frequency);
+ } else {
+ freq = note_frequency;
+ }
+
+ ICR3 = (int)(((double)F_CPU) / (freq * CPU_PRESCALER)); // Set max to the period
+ OCR3A = (int)((((double)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre); // Set compare to half the period
} else {
ICR3 = 0;
OCR3A = 0;
@@ -350,7 +456,8 @@ ISR(TIMER3_COMPA_vect) {
void play_notes(float (*np)[][2], uint8_t n_count, bool n_repeat, float n_rest) {
if (audio_config.enable) {
-
+ cli();
+ // Cancel note if a note is playing
if (note)
stop_all_notes();
notes = true;
@@ -378,7 +485,7 @@ if (audio_config.enable) {
TIMSK3 |= _BV(OCIE3A);
TCCR3A |= _BV(COM3A1);
#endif
-
+ sei();
}
}
@@ -405,7 +512,8 @@ if (audio_config.enable) {
void play_note(double freq, int vol) {
if (audio_config.enable && voices < 8) {
-
+ cli();
+ // Cancel notes if notes are playing
if (notes)
stop_all_notes();
note = true;
@@ -413,23 +521,8 @@ if (audio_config.enable && voices < 8) {
freq = freq / SAMPLE_RATE;
#endif
if (freq > 0) {
- if (frequency != 0) {
- double starting_f = frequency;
- if (frequency < freq) {
- for (double f = starting_f; f <= freq; f += ((freq - starting_f) / 2000.0)) {
- frequency = f;
- }
- } else if (frequency > freq) {
- for (double f = starting_f; f >= freq; f -= ((starting_f - freq) / 2000.0)) {
- frequency = f;
- }
- }
- }
- frequency = freq;
- volume = vol;
-
- frequencies[voices] = frequency;
- volumes[voices] = volume;
+ frequencies[voices] = freq;
+ volumes[voices] = vol;
voices++;
}
@@ -439,35 +532,21 @@ if (audio_config.enable && voices < 8) {
TIMSK3 |= _BV(OCIE3A);
TCCR3A |= _BV(COM3A1);
#endif
-
+ sei();
}
}
-void set_timbre(float timbre)
-{
- note_timbre = timbre;
-}
-
-void set_tempo(float tempo)
+//------------------------------------------------------------------------------
+// Override these functions in your keymap file to play different tunes on
+// startup and bootloader jump
+__attribute__ ((weak))
+void play_startup_tone()
{
- note_tempo = tempo;
}
-void decrease_tempo(uint8_t tempo_change)
+__attribute__ ((weak))
+void play_goodbye_tone()
{
- note_tempo += (float) tempo_change;
}
-
-void increase_tempo(uint8_t tempo_change)
-{
- if (note_tempo - (float) tempo_change < 10)
- {
- note_tempo = 10;
- }
- else
- {
- note_tempo -= (float) tempo_change;
- }
-}
-
+//------------------------------------------------------------------------------
diff --git a/quantum/audio.h b/quantum/audio.h
index 05d314c94..85756af9d 100644
--- a/quantum/audio.h
+++ b/quantum/audio.h
@@ -8,6 +8,9 @@
#ifndef AUDIO_H
#define AUDIO_H
+// Enable vibrato strength/amplitude - slows down ISR too much
+// #define VIBRATO_STRENGTH_ENABLE
+
typedef union {
uint8_t raw;
struct {
@@ -20,6 +23,34 @@ void audio_toggle(void);
void audio_on(void);
void audio_off(void);
+// Vibrato rate functions
+
+void set_vibrato_rate(float rate);
+void increase_vibrato_rate(float change);
+void decrease_vibrato_rate(float change);
+
+#ifdef VIBRATO_STRENGTH_ENABLE
+
+void set_vibrato_strength(float strength);
+void increase_vibrato_strength(float change);
+void decrease_vibrato_strength(float change);
+
+#endif
+
+// Polyphony functions
+
+void set_polyphony_rate(float rate);
+void enable_polyphony();
+void disable_polyphony();
+void increase_polyphony_rate(float change);
+void decrease_polyphony_rate(float change);
+
+void set_timbre(float timbre);
+void set_tempo(float tempo);
+
+void increase_tempo(uint8_t tempo_change);
+void decrease_tempo(uint8_t tempo_change);
+
void play_sample(uint8_t * s, uint16_t l, bool r);
void play_note(double freq, int vol);
void stop_note(double freq);
@@ -27,11 +58,6 @@ void stop_all_notes(void);
void init_notes(void);
void play_notes(float (*np)[][2], uint8_t n_count, bool n_repeat, float n_rest);
-void set_timbre(float timbre);
-void set_tempo(float tempo);
-void increase_tempo(uint8_t tempo_change);
-void decrease_tempo(uint8_t tempo_change);
-
#define SCALE (int []){ 0 + (12*0), 2 + (12*0), 4 + (12*0), 5 + (12*0), 7 + (12*0), 9 + (12*0), 11 + (12*0), \
0 + (12*1), 2 + (12*1), 4 + (12*1), 5 + (12*1), 7 + (12*1), 9 + (12*1), 11 + (12*1), \
0 + (12*2), 2 + (12*2), 4 + (12*2), 5 + (12*2), 7 + (12*2), 9 + (12*2), 11 + (12*2), \
@@ -44,5 +70,7 @@ void decrease_tempo(uint8_t tempo_change);
#define NOTE_ARRAY_SIZE(x) ((int)(sizeof(x) / (sizeof(x[0]))))
#define PLAY_NOTE_ARRAY(note_array, note_repeat, note_rest_style) play_notes(&note_array, NOTE_ARRAY_SIZE((note_array)), (note_repeat), (note_rest_style));
+void play_goodbye_tone(void);
+void play_startup_tone(void);
#endif \ No newline at end of file
diff --git a/quantum/keymap_common.c b/quantum/keymap_common.c
index 2001438b9..43debf4ef 100644
--- a/quantum/keymap_common.c
+++ b/quantum/keymap_common.c
@@ -34,12 +34,6 @@ extern keymap_config_t keymap_config;
#include <inttypes.h>
#ifdef AUDIO_ENABLE
#include "audio.h"
-
- #ifndef TONE_GOODBYE
- #define TONE_GOODBYE OLKB_GOODBYE
- #endif /*! TONE_GOODBYE */
-
- float tone_goodbye[][2] = SONG(TONE_GOODBYE);
#endif /* AUDIO_ENABLE */
static action_t keycode_to_action(uint16_t keycode);
@@ -47,7 +41,7 @@ static action_t keycode_to_action(uint16_t keycode);
/* converts key to action */
action_t action_for_key(uint8_t layer, keypos_t key)
{
- // 16bit keycodes - important
+ // 16bit keycodes - important
uint16_t keycode = keymap_key_to_keycode(layer, key);
switch (keycode) {
@@ -190,7 +184,8 @@ static action_t keycode_to_action(uint16_t keycode)
case RESET: ; // RESET is 0x5000, which is why this is here
clear_keyboard();
#ifdef AUDIO_ENABLE
- PLAY_NOTE_ARRAY(tone_goodbye, false, 0);
+ stop_all_notes();
+ play_goodbye_tone();
#endif
_delay_ms(250);
#ifdef ATREUS_ASTAR
@@ -303,7 +298,7 @@ static action_t keycode_to_action(uint16_t keycode)
/* translates key to keycode */
uint16_t keymap_key_to_keycode(uint8_t layer, keypos_t key)
{
- // Read entire word (16bits)
+ // Read entire word (16bits)
return pgm_read_word(&keymaps[(layer)][(key.row)][(key.col)]);
}
@@ -315,7 +310,7 @@ action_t keymap_fn_to_action(uint16_t keycode)
action_t keymap_func_to_action(uint16_t keycode)
{
- // For FUNC without 8bit limit
+ // For FUNC without 8bit limit
return (action_t){ .code = pgm_read_word(&fn_actions[(int)keycode]) };
}
diff --git a/quantum/musical_notes.h b/quantum/musical_notes.h
index ccdc34f27..b08d16a6f 100644
--- a/quantum/musical_notes.h
+++ b/quantum/musical_notes.h
@@ -51,7 +51,10 @@
// Notes - # = Octave
+
#define NOTE_REST 0.00
+
+/* These notes are currently bugged
#define NOTE_C0 16.35
#define NOTE_CS0 17.32
#define NOTE_D0 18.35
@@ -75,6 +78,8 @@
#define NOTE_GS1 51.91
#define NOTE_A1 55.00
#define NOTE_AS1 58.27
+*/
+
#define NOTE_B1 61.74
#define NOTE_C2 65.41
#define NOTE_CS2 69.30
diff --git a/quantum/song_list.h b/quantum/song_list.h
index b626c3fa6..e992bd18a 100644
--- a/quantum/song_list.h
+++ b/quantum/song_list.h
@@ -4,20 +4,98 @@
#define SONG_LIST_H
#define ODE_TO_JOY \
- Q__NOTE(_E4), Q__NOTE(_E4), Q__NOTE(_F4), Q__NOTE(_G4), \
- Q__NOTE(_G4), Q__NOTE(_F4), Q__NOTE(_E4), Q__NOTE(_D4), \
- Q__NOTE(_C4), Q__NOTE(_C4), Q__NOTE(_D4), Q__NOTE(_E4), \
- QD_NOTE(_E4), E__NOTE(_D4), H__NOTE(_D4),
+ Q__NOTE(_E4), Q__NOTE(_E4), Q__NOTE(_F4), Q__NOTE(_G4), \
+ Q__NOTE(_G4), Q__NOTE(_F4), Q__NOTE(_E4), Q__NOTE(_D4), \
+ Q__NOTE(_C4), Q__NOTE(_C4), Q__NOTE(_D4), Q__NOTE(_E4), \
+ QD_NOTE(_E4), E__NOTE(_D4), H__NOTE(_D4),
#define ROCK_A_BYE_BABY \
- QD_NOTE(_B4), E__NOTE(_D4), Q__NOTE(_B5), \
- H__NOTE(_A5), Q__NOTE(_G5), \
- QD_NOTE(_B4), E__NOTE(_D5), Q__NOTE(_G5), \
- H__NOTE(_FS5),
-
-#define OLKB_GOODBYE \
- E__NOTE(_E7), \
- E__NOTE(_A6), \
- ED_NOTE(_E6),
+ QD_NOTE(_B4), E__NOTE(_D4), Q__NOTE(_B5), \
+ H__NOTE(_A5), Q__NOTE(_G5), \
+ QD_NOTE(_B4), E__NOTE(_D5), Q__NOTE(_G5), \
+ H__NOTE(_FS5),
+
+#define CLOSE_ENCOUNTERS_5_NOTE \
+ Q__NOTE(_D5), \
+ Q__NOTE(_E5), \
+ Q__NOTE(_C5), \
+ Q__NOTE(_C4), \
+ Q__NOTE(_G4),
+
+#define DOE_A_DEER \
+ QD_NOTE(_C4), E__NOTE(_D4), \
+ QD_NOTE(_E4), E__NOTE(_C4), \
+ Q__NOTE(_E4), Q__NOTE(_C4), \
+ Q__NOTE(_E4),
+
+#define GOODBYE_SOUND \
+ E__NOTE(_E7), \
+ E__NOTE(_A6), \
+ ED_NOTE(_E6),
+
+#define STARTUP_SOUND \
+ ED_NOTE(_E7 ), \
+ E__NOTE(_CS7), \
+ E__NOTE(_E6 ), \
+ E__NOTE(_A6 ), \
+ M__NOTE(_CS7, 20),
+
+#define QWERTY_SOUND \
+ E__NOTE(_GS6 ), \
+ E__NOTE(_A6 ), \
+ S__NOTE(_REST), \
+ Q__NOTE(_E7 ),
+
+#define COLEMAK_SOUND \
+ E__NOTE(_GS6 ), \
+ E__NOTE(_A6 ), \
+ S__NOTE(_REST), \
+ ED_NOTE(_E7 ), \
+ S__NOTE(_REST), \
+ ED_NOTE(_GS7 ),
+
+#define DVORAK_SOUND \
+ E__NOTE(_GS6 ), \
+ E__NOTE(_A6 ), \
+ S__NOTE(_REST), \
+ E__NOTE(_E7 ), \
+ S__NOTE(_REST), \
+ E__NOTE(_FS7 ), \
+ S__NOTE(_REST), \
+ E__NOTE(_E7 ),
+
+#define MUSIC_SCALE_SOUND \
+ E__NOTE(_A5 ), \
+ E__NOTE(_B5 ), \
+ E__NOTE(_CS6), \
+ E__NOTE(_D6 ), \
+ E__NOTE(_E6 ), \
+ E__NOTE(_FS6), \
+ E__NOTE(_GS6), \
+ E__NOTE(_A6 ),
+
+#define CAPS_LOCK_ON_SOUND \
+ E__NOTE(_A3), \
+ E__NOTE(_B3),
+
+#define CAPS_LOCK_OFF_SOUND \
+ E__NOTE(_B3), \
+ E__NOTE(_A3),
+
+#define SCROLL_LOCK_ON_SOUND \
+ E__NOTE(_D4), \
+ E__NOTE(_E4),
+
+#define SCROLL_LOCK_OFF_SOUND \
+ E__NOTE(_E4), \
+ E__NOTE(_D4),
+
+#define NUM_LOCK_ON_SOUND \
+ E__NOTE(_D5), \
+ E__NOTE(_E5),
+
+#define NUM_LOCK_OFF_SOUND \
+ E__NOTE(_E5), \
+ E__NOTE(_D5),
#endif
diff --git a/quantum/vibrato_lut.h b/quantum/vibrato_lut.h
new file mode 100644
index 000000000..4c267a626
--- /dev/null
+++ b/quantum/vibrato_lut.h
@@ -0,0 +1,108 @@
+#include <avr/io.h>
+#include <avr/interrupt.h>
+#include <avr/pgmspace.h>
+
+#define VIBRATO_LUT_LENGTH 100
+
+const float VIBRATO_LUT[VIBRATO_LUT_LENGTH] = { \
+1.00045346811453,
+1.00090535101508,
+1.00135386178926,
+1.00179722447259,
+1.00223368114872,
+1.0026614990145,
+1.00307897737994,
+1.00348445457284,
+1.00387631471807,
+1.00425299436105,
+1.00461298890553,
+1.00495485883603,
+1.00527723569589,
+1.00557882779254,
+1.00585842560279,
+1.00611490685176,
+1.00634724124066,
+1.00655449479987,
+1.00673583384565,
+1.00689052852052,
+1.00701795589922,
+1.00711760264454,
+1.0071890671992,
+1.00723206150266,
+1.0072464122237,
+1.00723206150266,
+1.0071890671992,
+1.00711760264454,
+1.00701795589922,
+1.00689052852052,
+1.00673583384565,
+1.00655449479987,
+1.00634724124066,
+1.00611490685176,
+1.00585842560279,
+1.00557882779254,
+1.00527723569589,
+1.00495485883603,
+1.00461298890553,
+1.00425299436105,
+1.00387631471807,
+1.00348445457284,
+1.00307897737994,
+1.0026614990145,
+1.00223368114872,
+1.00179722447259,
+1.00135386178926,
+1.00090535101508,
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