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-rw-r--r--keyboard/atomic/keymaps/pvc/config.h5
-rw-r--r--keyboard/atomic/keymaps/pvc/keymap.c107
-rw-r--r--keyboard/planck/keymaps/pvc/config.h2
-rw-r--r--keyboard/planck/keymaps/pvc/keymap.c4
-rw-r--r--keyboard/planck/keymaps/pvc/makefile.mk3
-rw-r--r--quantum/audio/audio.c766
-rw-r--r--quantum/audio/audio.h6
-rw-r--r--quantum/audio/audio_pwm.c643
-rw-r--r--quantum/audio/frequency_lut.h357
-rw-r--r--quantum/audio/luts.c382
-rw-r--r--quantum/audio/luts.h15
-rw-r--r--quantum/audio/vibrato_lut.h28
-rw-r--r--quantum/audio/voices.c8
-rw-r--r--quantum/audio/voices.h3
-rw-r--r--quantum/keymap_common.c6
-rw-r--r--quantum/quantum.mk1
16 files changed, 1444 insertions, 892 deletions
diff --git a/keyboard/atomic/keymaps/pvc/config.h b/keyboard/atomic/keymaps/pvc/config.h
index cc92634646..034bc5dc5c 100644
--- a/keyboard/atomic/keymaps/pvc/config.h
+++ b/keyboard/atomic/keymaps/pvc/config.h
@@ -158,4 +158,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
//#define NO_ACTION_MACRO
//#define NO_ACTION_FUNCTION
+
+//#define VIBRATO_ENABLE
+//#define VIBRATO_STRENGTH_ENABLE
+
+
#endif
diff --git a/keyboard/atomic/keymaps/pvc/keymap.c b/keyboard/atomic/keymaps/pvc/keymap.c
index e17c41e23d..3d604a868e 100644
--- a/keyboard/atomic/keymaps/pvc/keymap.c
+++ b/keyboard/atomic/keymaps/pvc/keymap.c
@@ -11,8 +11,8 @@
#define LAYER_QWERTY 0
#define LAYER_COLEMAK 1
#define LAYER_DVORAK 2
-#define LAYER_LOWER 3
-#define LAYER_RAISE 4
+#define LAYER_RAISE 3
+#define LAYER_LOWER 4
#define LAYER_FUNCTION 5
#define LAYER_MOUSE 6
#define LAYER_MUSIC 7
@@ -21,8 +21,8 @@
#define MACRO_QWERTY 0
#define MACRO_COLEMAK 1
#define MACRO_DVORAK 2
-#define MACRO_LOWER 3
-#define MACRO_RAISE 4
+#define MACRO_RAISE 3
+#define MACRO_LOWER 4
#define MACRO_FUNCTION 5
#define MACRO_MOUSE 6
#define MACRO_TIMBRE_1 7
@@ -42,8 +42,8 @@
#define M_QWRTY M(MACRO_QWERTY)
#define M_COLMK M(MACRO_COLEMAK)
#define M_DVORK M(MACRO_DVORAK)
-#define M_LOWER M(MACRO_LOWER)
#define M_RAISE M(MACRO_RAISE)
+#define M_LOWER M(MACRO_LOWER)
#define M_FUNCT M(MACRO_FUNCTION)
#define M_MOUSE M(MACRO_MOUSE)
#define TIMBR_1 M(MACRO_TIMBRE_1)
@@ -148,23 +148,22 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
{ KC_LCTL, KC_LGUI, M_FUNCT, KC_LALT, M_RAISE, KC_SPC, KC_SPC, M_LOWER, KC_RALT, KC_RGUI, KC_MENU, KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT },
},
+ [LAYER_RAISE] = { /* RAISED */
+ { KC_TILD, KC_PSCR, KC_PAUS, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, ________________ },
+ { _______, KC_F1, KC_F2, KC_F3, KC_F4, _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_INS },
+ { _______, KC_F5, KC_F6, KC_F7, KC_F8, _______, _______, _______, _______, _______, _______, _______, ________________, KC_HOME },
+ { _______, KC_F9, KC_F10, KC_F11, KC_F12, _______, _______, _______, _______, _______, _______, ________________, _______, KC_END },
+ { _______, _______, _______, _______, _______, ________________, _______, _______, _______, _______, _______, _______, _______, _______ },
+ },
[LAYER_LOWER] = { /* LOWERED */
{ KC_GRV, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, ________________ },
- { _______, _______, _______, _______, SC_CCLS, _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_INS },
- { _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, ________________, KC_HOME },
- { _______, SC_REDO, _______, _______, _______, _______, _______, _______, _______, _______, _______, ________________, _______, KC_END },
+ { _______, KC_F13, KC_F14, KC_F15, KC_F16, _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_INS },
+ { _______, KC_F17, KC_F18, KC_F19, KC_F20, _______, _______, _______, _______, _______, _______, _______, ________________, KC_HOME },
+ { _______, KC_F21, KC_F22, KC_F23, KC_F24, _______, _______, _______, _______, _______, _______, ________________, _______, KC_END },
{ _______, _______, _______, _______, _______, KC_BSPC, KC_BSPC, _______, _______, _______, _______, _______, _______, _______, _______ },
},
- [LAYER_RAISE] = { /* RAISED */
- { KC_TILD, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, ________________ },
- { _______, _______, _______, _______, SC_ACLS, _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_INS },
- { _______, SC_SELA, SC_SAVE, _______, _______, _______, _______, _______, _______, _______, _______, _______, ________________, KC_HOME },
- { _______, SC_UNDO, SC_CUT, SC_COPY, SC_PSTE, _______, _______, _______, _______, _______, _______, ________________, _______, KC_END },
- { _______, _______, _______, _______, _______, ________________, _______, _______, _______, _______, _______, _______, _______, _______ },
- },
-
[LAYER_FUNCTION] = { /* FUNCTION */
{ KC_NLCK, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, ________________ },
{ KC_SLCK, KC_F13, KC_F14, KC_F15, KC_F16, KC_F17, KC_F18, KC_F19, KC_F20, KC_F21, KC_F22, KC_F23, KC_F24, _______, KC_PAUS },
@@ -281,28 +280,28 @@ const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
}
break;
- case MACRO_LOWER:
+ case MACRO_RAISE:
if (record->event.pressed)
{
- layer_on(LAYER_LOWER);
+ layer_on(LAYER_RAISE);
update_tri_layer(LAYER_LOWER, LAYER_RAISE, LAYER_ADJUST);
}
else
{
- layer_off(LAYER_LOWER);
+ layer_off(LAYER_RAISE);
update_tri_layer(LAYER_LOWER, LAYER_RAISE, LAYER_ADJUST);
}
break;
- case MACRO_RAISE:
+ case MACRO_LOWER:
if (record->event.pressed)
{
- layer_on(LAYER_RAISE);
+ layer_on(LAYER_LOWER);
update_tri_layer(LAYER_LOWER, LAYER_RAISE, LAYER_ADJUST);
}
else
{
- layer_off(LAYER_RAISE);
+ layer_off(LAYER_LOWER);
update_tri_layer(LAYER_LOWER, LAYER_RAISE, LAYER_ADJUST);
}
break;
@@ -468,36 +467,40 @@ void led_set_user(uint8_t usb_led)
_delay_ms(10); // gets rid of tick
- if ((usb_led & (1<<USB_LED_CAPS_LOCK)) && !(old_usb_led & (1<<USB_LED_CAPS_LOCK)))
- {
- // If CAPS LK LED is turning on...
- PLAY_NOTE_ARRAY(tone_caps_on, false, LEGATO);
- }
- else if (!(usb_led & (1<<USB_LED_CAPS_LOCK)) && (old_usb_led & (1<<USB_LED_CAPS_LOCK)))
- {
- // If CAPS LK LED is turning off...
- PLAY_NOTE_ARRAY(tone_caps_off, false, LEGATO);
- }
- else if ((usb_led & (1<<USB_LED_NUM_LOCK)) && !(old_usb_led & (1<<USB_LED_NUM_LOCK)))
- {
- // If NUM LK LED is turning on...
- PLAY_NOTE_ARRAY(tone_numlk_on, false, LEGATO);
- }
- else if (!(usb_led & (1<<USB_LED_NUM_LOCK)) && (old_usb_led & (1<<USB_LED_NUM_LOCK)))
- {
- // If NUM LED is turning off...
- PLAY_NOTE_ARRAY(tone_numlk_off, false, LEGATO);
- }
- else if ((usb_led & (1<<USB_LED_SCROLL_LOCK)) && !(old_usb_led & (1<<USB_LED_SCROLL_LOCK)))
- {
- // If SCROLL LK LED is turning on...
- PLAY_NOTE_ARRAY(tone_scroll_on, false, LEGATO);
- }
- else if (!(usb_led & (1<<USB_LED_SCROLL_LOCK)) && (old_usb_led & (1<<USB_LED_SCROLL_LOCK)))
- {
- // If SCROLL LED is turning off...
- PLAY_NOTE_ARRAY(tone_scroll_off, false, LEGATO);
- }
+ if (!is_playing_notes())
+ {
+ if ((usb_led & (1<<USB_LED_CAPS_LOCK)) && !(old_usb_led & (1<<USB_LED_CAPS_LOCK)))
+ {
+ // If CAPS LK LED is turning on...
+ PLAY_NOTE_ARRAY(tone_caps_on, false, LEGATO);
+ }
+ else if (!(usb_led & (1<<USB_LED_CAPS_LOCK)) && (old_usb_led & (1<<USB_LED_CAPS_LOCK)))
+ {
+ // If CAPS LK LED is turning off...
+ PLAY_NOTE_ARRAY(tone_caps_off, false, LEGATO);
+ }
+ else if ((usb_led & (1<<USB_LED_NUM_LOCK)) && !(old_usb_led & (1<<USB_LED_NUM_LOCK)))
+ {
+ // If NUM LK LED is turning on...
+ PLAY_NOTE_ARRAY(tone_numlk_on, false, LEGATO);
+ }
+ else if (!(usb_led & (1<<USB_LED_NUM_LOCK)) && (old_usb_led & (1<<USB_LED_NUM_LOCK)))
+ {
+ // If NUM LED is turning off...
+ PLAY_NOTE_ARRAY(tone_numlk_off, false, LEGATO);
+ }
+ else if ((usb_led & (1<<USB_LED_SCROLL_LOCK)) && !(old_usb_led & (1<<USB_LED_SCROLL_LOCK)))
+ {
+ // If SCROLL LK LED is turning on...
+ PLAY_NOTE_ARRAY(tone_scroll_on, false, LEGATO);
+ }
+ else if (!(usb_led & (1<<USB_LED_SCROLL_LOCK)) && (old_usb_led & (1<<USB_LED_SCROLL_LOCK)))
+ {
+ // If SCROLL LED is turning off...
+ PLAY_NOTE_ARRAY(tone_scroll_off, false, LEGATO);
+ }
+ }
+
old_usb_led = usb_led;
}
diff --git a/keyboard/planck/keymaps/pvc/config.h b/keyboard/planck/keymaps/pvc/config.h
index 7d64f09773..d435cc795c 100644
--- a/keyboard/planck/keymaps/pvc/config.h
+++ b/keyboard/planck/keymaps/pvc/config.h
@@ -73,7 +73,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* disable debug print */
-//#define NO_DEBUG
+#define NO_DEBUG
/* disable print */
//#define NO_PRINT
diff --git a/keyboard/planck/keymaps/pvc/keymap.c b/keyboard/planck/keymaps/pvc/keymap.c
index 27850b2154..830b00a4c4 100644
--- a/keyboard/planck/keymaps/pvc/keymap.c
+++ b/keyboard/planck/keymaps/pvc/keymap.c
@@ -96,7 +96,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
[LAYER_QWERTY] = { /* QWERTY */
{ KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_BSPC },
- { KC_BSPC, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT },
+ { KC_ESC, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT },
{ KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_ENT },
{ KC_LCTL, KC_LGUI, M_FUNCT, KC_LALT, M_RAISE, KC_SPC, KC_SPC, M_LOWER, KC_UP, KC_DOWN, KC_LEFT, KC_RGHT },
},
@@ -115,7 +115,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
[LAYER_COLEMAK] = { /* COLEMAK */
{ KC_TAB, KC_Q, KC_W, KC_F, KC_P, KC_G, KC_J, KC_L, KC_U, KC_Y, KC_SCLN, KC_ESC },
- { KC_ESC, KC_A, KC_R, KC_S, KC_T, KC_D, KC_H, KC_N, KC_E, KC_I, KC_O, KC_QUOT },
+ { KC_BSPC, KC_A, KC_R, KC_S, KC_T, KC_D, KC_H, KC_N, KC_E, KC_I, KC_O, KC_QUOT },
{ KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_K, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_ENT },
{ KC_LCTL, KC_LGUI, M_FUNCT, KC_LALT, M_RAISE, KC_SPC, KC_SPC, M_LOWER, KC_UP, KC_DOWN, KC_LEFT, KC_RGHT },
},
diff --git a/keyboard/planck/keymaps/pvc/makefile.mk b/keyboard/planck/keymaps/pvc/makefile.mk
index 4b9e34c53f..b3f1b9e51c 100644
--- a/keyboard/planck/keymaps/pvc/makefile.mk
+++ b/keyboard/planck/keymaps/pvc/makefile.mk
@@ -4,6 +4,7 @@ EXTRAKEY_ENABLE = yes # Audio control and System control(+450)
CONSOLE_ENABLE = yes # Console for debug(+400)
COMMAND_ENABLE = yes # Commands for debug and configuration
NKRO_ENABLE = yes # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+BACKLIGHT_ENABLE = no # Enable keyboard backlight functionality
MIDI_ENABLE = no # MIDI controls
AUDIO_ENABLE = no # Audio output on port C6
UNICODE_ENABLE = no # Unicode
@@ -13,4 +14,4 @@ RGBLIGHT_ENABLE = no # Enable WS2812 RGB underlight. Do not enable this with
# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend
-CONFIG_H = keymaps/$(KEYMAP)/config.h
+CONFIG_H = keymaps/$(KEYMAP)/config.h \ No newline at end of file
diff --git a/quantum/audio/audio.c b/quantum/audio/audio.c
index e85370d958..3a7f0f5567 100644
--- a/quantum/audio/audio.c
+++ b/quantum/audio/audio.c
@@ -1,6 +1,6 @@
#include <stdio.h>
#include <string.h>
-#include <math.h>
+//#include <math.h>
#include <avr/pgmspace.h>
#include <avr/interrupt.h>
#include <avr/io.h>
@@ -10,30 +10,28 @@
#include "eeconfig.h"
-#ifdef VIBRATO_ENABLE
- #include "vibrato_lut.h"
-#endif
+#define CPU_PRESCALER 8
-#define PI 3.14159265
+// -----------------------------------------------------------------------------
+// Timer Abstractions
+// -----------------------------------------------------------------------------
-#define CPU_PRESCALER 8
+// TIMSK3 - Timer/Counter #3 Interrupt Mask Register
+// Turn on/off 3A interputs, stopping/enabling the ISR calls
+#define ENABLE_AUDIO_COUNTER_3_ISR TIMSK3 |= _BV(OCIE3A)
+#define DISABLE_AUDIO_COUNTER_3_ISR TIMSK3 &= ~_BV(OCIE3A)
-#ifdef PWM_AUDIO
- #include "wave.h"
- #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
+// TCCR3A: Timer/Counter #3 Control Register
+// Compare Output Mode (COM3An) = 0b00 = Normal port operation, OC3A disconnected from PC6
+#define ENABLE_AUDIO_COUNTER_3_OUTPUT TCCR3A |= _BV(COM3A1);
+#define DISABLE_AUDIO_COUNTER_3_OUTPUT TCCR3A &= ~(_BV(COM3A1) | _BV(COM3A0));
- float places[8] = {0, 0, 0, 0, 0, 0, 0, 0};
- uint16_t place_int = 0;
- bool repeat = true;
-#endif
+// Fast PWM Mode Controls
+#define TIMER_3_PERIOD ICR3
+#define TIMER_3_DUTY_CYCLE OCR3A
+
+// -----------------------------------------------------------------------------
-void delay_us(int count) {
- while(count--) {
- _delay_us(1);
- }
-}
int voices = 0;
int voice_place = 0;
@@ -45,26 +43,23 @@ float frequencies[8] = {0, 0, 0, 0, 0, 0, 0, 0};
int volumes[8] = {0, 0, 0, 0, 0, 0, 0, 0};
bool sliding = false;
-int max = 0xFF;
-float sum = 0;
float place = 0;
uint8_t * sample;
uint16_t sample_length = 0;
-// float freq = 0;
-
-bool notes = false;
-bool note = false;
-float note_frequency = 0;
-float note_length = 0;
-float note_tempo = TEMPO_DEFAULT;
-float note_timbre = TIMBRE_DEFAULT;
+
+bool playing_notes = false;
+bool playing_note = false;
+float note_frequency = 0;
+float note_length = 0;
+uint8_t note_tempo = TEMPO_DEFAULT;
+float note_timbre = TIMBRE_DEFAULT;
uint16_t note_position = 0;
float (* notes_pointer)[][2];
uint16_t notes_count;
-bool notes_repeat;
-float notes_rest;
-bool note_resting = false;
+bool notes_repeat;
+float notes_rest;
+bool note_resting = false;
uint8_t current_note = 0;
uint8_t rest_counter = 0;
@@ -77,175 +72,65 @@ float vibrato_rate = 0.125;
float polyphony_rate = 0;
-bool inited = false;
+static bool audio_initialized = false;
audio_config_t audio_config;
uint16_t envelope_index = 0;
-void audio_toggle(void) {
- audio_config.enable ^= 1;
- eeconfig_update_audio(audio_config.raw);
-}
-
-void audio_on(void) {
- audio_config.enable = 1;
- eeconfig_update_audio(audio_config.raw);
-}
-
-void audio_off(void) {
- audio_config.enable = 0;
- eeconfig_update_audio(audio_config.raw);
-}
-
-#ifdef VIBRATO_ENABLE
-// 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
-
-#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 audio_init() {
+void audio_init()
+{
- /* check signature */
- if (!eeconfig_is_enabled()) {
+ // Check EEPROM
+ if (!eeconfig_is_enabled())
+ {
eeconfig_init();
}
audio_config.raw = eeconfig_read_audio();
- #ifdef PWM_AUDIO
- PLLFRQ = _BV(PDIV2);
- PLLCSR = _BV(PLLE);
- while(!(PLLCSR & _BV(PLOCK)));
- PLLFRQ |= _BV(PLLTM0); /* PCK 48MHz */
+ // Set port PC6 (OC3A and /OC4A) as output
+ DDRC |= _BV(PORTC6);
- /* 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;
+ DISABLE_AUDIO_COUNTER_3_ISR;
- /* Enable the OC4A output */
- DDRC |= _BV(PORTC6);
+ // TCCR3A / TCCR3B: Timer/Counter #3 Control Registers
+ // Compare Output Mode (COM3An) = 0b00 = Normal port operation, OC3A disconnected from PC6
+ // Waveform Generation Mode (WGM3n) = 0b1110 = Fast PWM Mode 14 (Period = ICR3, Duty Cycle = OCR3A)
+ // Clock Select (CS3n) = 0b010 = Clock / 8
+ TCCR3A = (0 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (0 << WGM30);
+ TCCR3B = (1 << WGM33) | (1 << WGM32) | (0 << CS32) | (1 << CS31) | (0 << CS30);
- 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
- #else
- DDRC |= _BV(PORTC6);
-
- TIMSK3 &= ~_BV(OCIE3A); // Turn off 3A interputs
-
- TCCR3A = (0 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (0 << WGM30);
- TCCR3B = (1 << WGM33) | (1 << WGM32) | (0 << CS32) | (1 << CS31) | (0 << CS30);
- #endif
-
- inited = true;
+ audio_initialized = true;
}
-void stop_all_notes() {
- if (!inited) {
+void stop_all_notes()
+{
+ if (!audio_initialized) {
audio_init();
}
voices = 0;
- #ifdef PWM_AUDIO
- TIMSK3 &= ~_BV(OCIE3A);
- #else
- TIMSK3 &= ~_BV(OCIE3A);
- TCCR3A &= ~_BV(COM3A1);
- #endif
- notes = false;
- note = false;
+
+ DISABLE_AUDIO_COUNTER_3_ISR;
+ DISABLE_AUDIO_COUNTER_3_OUTPUT;
+
+ playing_notes = false;
+ playing_note = false;
frequency = 0;
volume = 0;
- for (int i = 0; i < 8; i++) {
+ for (uint8_t i = 0; i < 8; i++)
+ {
frequencies[i] = 0;
volumes[i] = 0;
}
}
-void stop_note(float freq) {
- if (note) {
- if (!inited) {
+void stop_note(float freq)
+{
+ if (playing_note) {
+ if (!audio_initialized) {
audio_init();
}
- #ifdef PWM_AUDIO
- freq = freq / SAMPLE_RATE;
- #endif
for (int i = 7; i >= 0; i--) {
if (frequencies[i] == freq) {
frequencies[i] = 0;
@@ -266,15 +151,11 @@ void stop_note(float freq) {
voice_place = 0;
}
if (voices == 0) {
- #ifdef PWM_AUDIO
- TIMSK3 &= ~_BV(OCIE3A);
- #else
- TIMSK3 &= ~_BV(OCIE3A);
- TCCR3A &= ~_BV(COM3A1);
- #endif
+ DISABLE_AUDIO_COUNTER_3_ISR;
+ DISABLE_AUDIO_COUNTER_3_OUTPUT;
frequency = 0;
volume = 0;
- note = false;
+ playing_note = false;
}
}
}
@@ -289,9 +170,9 @@ float mod(float a, int b)
float vibrato(float average_freq) {
#ifdef VIBRATO_STRENGTH_ENABLE
- float vibrated_freq = average_freq * pow(VIBRATO_LUT[(int)vibrato_counter], vibrato_strength);
+ float vibrated_freq = average_freq * pow(vibrato_lut[(int)vibrato_counter], vibrato_strength);
#else
- float vibrated_freq = average_freq * VIBRATO_LUT[(int)vibrato_counter];
+ 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;
@@ -299,295 +180,295 @@ float vibrato(float average_freq) {
#endif
-ISR(TIMER3_COMPA_vect) {
- if (note) {
- #ifdef PWM_AUDIO
- if (voices == 1) {
- // SINE
- OCR4A = pgm_read_byte(&sinewave[(uint16_t)place]) >> 2;
-
- // SQUARE
- // if (((int)place) >= 1024){
- // OCR4A = 0xFF >> 2;
- // } 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)
- place -= SINE_LENGTH;
-
- } else {
- int sum = 0;
- for (int i = 0; i < voices; i++) {
- // SINE
- sum += pgm_read_byte(&sinewave[(uint16_t)places[i]]) >> 2;
-
- // SQUARE
- // if (((int)places[i]) >= 1024){
- // sum += 0xFF >> 2;
- // } else {
- // sum += 0x00;
- // }
-
- places[i] += frequencies[i];
-
- if (places[i] >= SINE_LENGTH)
- places[i] -= SINE_LENGTH;
- }
- OCR4A = sum;
- }
- #else
- if (voices > 0) {
- float freq;
- 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;
- }
- }
- #ifdef VIBRATO_ENABLE
- if (vibrato_strength > 0) {
- freq = vibrato(frequencies[voice_place]);
- } else {
- #else
- {
- #endif
- 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];
- }
-
-
- #ifdef VIBRATO_ENABLE
- if (vibrato_strength > 0) {
- freq = vibrato(frequency);
- } else {
- #else
- {
- #endif
- freq = frequency;
- }
- }
+ISR(TIMER3_COMPA_vect)
+{
+ float freq;
+
+ if (playing_note) {
+ 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;
+ }
+ }
+
+ #ifdef VIBRATO_ENABLE
+ if (vibrato_strength > 0) {
+ freq = vibrato(frequencies[voice_place]);
+ } else {
+ freq = frequencies[voice_place];
+ }
+ #else
+ freq = frequencies[voice_place];
+ #endif
+ } 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];
+ }
+
+ #ifdef VIBRATO_ENABLE
+ if (vibrato_strength > 0) {
+ freq = vibrato(frequency);
+ } else {
+ freq = frequency;
+ }
+ #else
+ freq = frequency;
+ #endif
+ }
+
+ if (envelope_index < 65535) {
+ envelope_index++;
+ }
+
+ freq = voice_envelope(freq);
+
+ if (freq < 30.517578125) {
+ freq = 30.52;
+ }
+
+ TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER));
+ TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre);
+ }
+ }
+
+ if (playing_notes) {
+ if (note_frequency > 0) {
+ #ifdef VIBRATO_ENABLE
+ if (vibrato_strength > 0) {
+ freq = vibrato(note_frequency);
+ } else {
+ freq = note_frequency;
+ }
+ #else
+ freq = note_frequency;
+ #endif
+
+ if (envelope_index < 65535) {
+ envelope_index++;
+ }
+ freq = voice_envelope(freq);
+
+ TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER));
+ TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre);
+ } else {
+ TIMER_3_PERIOD = 0;
+ TIMER_3_DUTY_CYCLE = 0;
+ }
+
+ note_position++;
+ bool end_of_note = false;
+ if (TIMER_3_PERIOD > 0) {
+ end_of_note = (note_position >= (note_length / TIMER_3_PERIOD * 0xFFFF));
+ } else {
+ end_of_note = (note_position >= (note_length * 0x7FF));
+ }
+
+ if (end_of_note) {
+ current_note++;
+ if (current_note >= notes_count) {
+ if (notes_repeat) {
+ current_note = 0;
+ } else {
+ DISABLE_AUDIO_COUNTER_3_ISR;
+ DISABLE_AUDIO_COUNTER_3_OUTPUT;
+ playing_notes = false;
+ return;
+ }
+ }
+ if (!note_resting && (notes_rest > 0)) {
+ note_resting = true;
+ note_frequency = 0;
+ note_length = notes_rest;
+ current_note--;
+ } else {
+ note_resting = false;
+ envelope_index = 0;
+ note_frequency = (*notes_pointer)[current_note][0];
+ note_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100);
+ }
+
+ note_position = 0;
+ }
+ }
+
+ if (!audio_config.enable) {
+ playing_notes = false;
+ playing_note = false;
+ }
+}
- if (envelope_index < 65535) {
- envelope_index++;
- }
- freq = voice_envelope(freq);
+void play_note(float freq, int vol) {
- if (freq < 30.517578125)
- freq = 30.52;
- 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
+ if (!audio_initialized) {
+ audio_init();
}
- // 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) {
- #ifdef PWM_AUDIO
- OCR4A = pgm_read_byte(&sinewave[(uint16_t)place]) >> 0;
-
- place += note_frequency;
- if (place >= SINE_LENGTH)
- place -= SINE_LENGTH;
- #else
- if (note_frequency > 0) {
- float freq;
-
- #ifdef VIBRATO_ENABLE
- if (vibrato_strength > 0) {
- freq = vibrato(note_frequency);
- } else {
- #else
- {
- #endif
- freq = note_frequency;
- }
+ if (audio_config.enable && voices < 8) {
+ DISABLE_AUDIO_COUNTER_3_ISR;
- if (envelope_index < 65535) {
- envelope_index++;
- }
- freq = voice_envelope(freq);
+ // Cancel notes if notes are playing
+ if (playing_notes)
+ stop_all_notes();
- 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;
- }
- #endif
-
-
- note_position++;
- bool end_of_note = false;
- if (ICR3 > 0)
- end_of_note = (note_position >= (note_length / ICR3 * 0xFFFF));
- else
- end_of_note = (note_position >= (note_length * 0x7FF));
- if (end_of_note) {
- current_note++;
- if (current_note >= notes_count) {
- if (notes_repeat) {
- current_note = 0;
- } else {
- #ifdef PWM_AUDIO
- TIMSK3 &= ~_BV(OCIE3A);
- #else
- TIMSK3 &= ~_BV(OCIE3A);
- TCCR3A &= ~_BV(COM3A1);
- #endif
- notes = false;
- return;
- }
- }
- if (!note_resting && (notes_rest > 0)) {
- note_resting = true;
- note_frequency = 0;
- note_length = notes_rest;
- current_note--;
- } else {
- note_resting = false;
- #ifdef PWM_AUDIO
- note_frequency = (*notes_pointer)[current_note][0] / SAMPLE_RATE;
- note_length = (*notes_pointer)[current_note][1] * (note_tempo / 100);
- #else
- envelope_index = 0;
- note_frequency = (*notes_pointer)[current_note][0];
- note_length = ((*notes_pointer)[current_note][1] / 4) * (note_tempo / 100);
- #endif
- }
- note_position = 0;
- }
+ playing_note = true;
- }
+ envelope_index = 0;
+
+ if (freq > 0) {
+ frequencies[voices] = freq;
+ volumes[voices] = vol;
+ voices++;
+ }
+
+ ENABLE_AUDIO_COUNTER_3_ISR;
+ ENABLE_AUDIO_COUNTER_3_OUTPUT;
+ }
- if (!audio_config.enable) {
- notes = false;
- note = false;
- }
}
-void play_note(float freq, int vol) {
+void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat, float n_rest)
+{
- if (!inited) {
+ if (!audio_initialized) {
audio_init();
}
-if (audio_config.enable && voices < 8) {
- TIMSK3 &= ~_BV(OCIE3A);
- // Cancel notes if notes are playing
- if (notes)
- stop_all_notes();
- note = true;
- envelope_index = 0;
- #ifdef PWM_AUDIO
- freq = freq / SAMPLE_RATE;
- #endif
- if (freq > 0) {
- frequencies[voices] = freq;
- volumes[voices] = vol;