diff options
Diffstat (limited to 'quantum/audio.c')
| -rw-r--r-- | quantum/audio.c | 56 |
1 files changed, 43 insertions, 13 deletions
diff --git a/quantum/audio.c b/quantum/audio.c index 119bd92298..9b9589f133 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; @@ -288,8 +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)) >> 2; // 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; @@ -305,7 +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 { @@ -328,10 +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; @@ -345,7 +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) { @@ -354,7 +356,7 @@ if (audio_config.enable) { notes = true; notes_pointer = np; - notes_length = n_length; + notes_count = n_count; notes_repeat = n_repeat; notes_rest = n_rest; @@ -362,10 +364,10 @@ 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 +441,32 @@ if (audio_config.enable && voices < 8) { } -}
\ 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; + } +} + |