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authorJack Humbert2016-04-17 10:56:12 -0400
committerJack Humbert2016-04-17 10:56:12 -0400
commit319fbe344b81081ced4c44792a7b868d5400edbb (patch)
treee3376fab9de0e2ffa107568151601156ea7ccc9d /quantum/audio.c
parenta67d425f4d5278595e7ab785a0f246b83fb1a09f (diff)
parent29e495be2a57d1eb41699909b204c12ac6bc4c0e (diff)
Merge branch 'personal_atomic_planck' of github.com:IBNobody/qmk_firmware
Diffstat (limited to 'quantum/audio.c')
-rw-r--r--quantum/audio.c55
1 files changed, 43 insertions, 12 deletions
diff --git a/quantum/audio.c b/quantum/audio.c
index 6bd6532a3..855e97361 100644
--- a/quantum/audio.c
+++ b/quantum/audio.c
@@ -4,7 +4,7 @@
#include <avr/pgmspace.h>
#include <avr/interrupt.h>
#include <avr/io.h>
-
+#include "print.h"
#include "audio.h"
#include "keymap_common.h"
@@ -57,9 +57,11 @@ bool notes = false;
bool note = false;
float note_frequency = 0;
float note_length = 0;
+float note_tempo = TEMPO_DEFAULT;
+float note_timbre = TIMBRE_DEFAULT;
uint16_t note_position = 0;
float (* notes_pointer)[][2];
-uint8_t notes_length;
+uint8_t notes_count;
bool notes_repeat;
float notes_rest;
bool note_resting = false;
@@ -255,7 +257,8 @@ ISR(TIMER3_COMPA_vect) {
place = 0.0;
}
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)) >> 1 * duty_place; // Set compare to half the period
+ OCR3A = (int)((((double)F_CPU) / (note_frequency * 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;
@@ -288,7 +291,7 @@ ISR(TIMER3_COMPA_vect) {
#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)) >> 1; // Set compare to half the period
+ OCR3A = (int)((((double)F_CPU) / (note_frequency * CPU_PRESCALER)) * note_timbre); // Set compare to half the period
} else {
ICR3 = 0;
OCR3A = 0;
@@ -304,7 +307,7 @@ ISR(TIMER3_COMPA_vect) {
end_of_note = (note_position >= (note_length * 0x7FF));
if (end_of_note) {
current_note++;
- if (current_note >= notes_length) {
+ if (current_note >= notes_count) {
if (notes_repeat) {
current_note = 0;
} else {
@@ -327,10 +330,10 @@ ISR(TIMER3_COMPA_vect) {
note_resting = false;
#ifdef PWM_AUDIO
note_frequency = (*notes_pointer)[current_note][0] / SAMPLE_RATE;
- note_length = (*notes_pointer)[current_note][1];
+ note_length = (*notes_pointer)[current_note][1] * (note_tempo / 100);
#else
note_frequency = (*notes_pointer)[current_note][0];
- note_length = (*notes_pointer)[current_note][1] / 4;
+ note_length = ((*notes_pointer)[current_note][1] / 4) * (note_tempo / 100);
#endif
}
note_position = 0;
@@ -344,7 +347,7 @@ ISR(TIMER3_COMPA_vect) {
}
}
-void play_notes(float (*np)[][2], uint8_t n_length, bool n_repeat, float n_rest) {
+void play_notes(float (*np)[][2], uint8_t n_count, bool n_repeat, float n_rest) {
if (audio_config.enable) {
@@ -352,7 +355,7 @@ if (audio_config.enable) {
stop_all_notes();
notes_pointer = np;
- notes_length = n_length;
+ notes_count = n_count;
notes_repeat = n_repeat;
notes_rest = n_rest;
@@ -360,10 +363,10 @@ if (audio_config.enable) {
current_note = 0;
#ifdef PWM_AUDIO
note_frequency = (*notes_pointer)[current_note][0] / SAMPLE_RATE;
- note_length = (*notes_pointer)[current_note][1];
+ note_length = (*notes_pointer)[current_note][1] * (note_tempo / 100);
#else
note_frequency = (*notes_pointer)[current_note][0];
- note_length = (*notes_pointer)[current_note][1] / 4;
+ note_length = ((*notes_pointer)[current_note][1] / 4) * (note_tempo / 100);
#endif
note_position = 0;
@@ -439,4 +442,32 @@ if (audio_config.enable && voices < 8) {
note = true;
}
-} \ No newline at end of file
+}
+
+void set_timbre(float timbre)
+{
+ note_timbre = timbre;
+}
+
+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;
+ }
+}
+