drashna/qmk_firmware
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Added trimble and tempo adjustments!

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This commit is contained in:
IBNobody 2016-04-17 02:52:38 -05:00
parent 943b5b7709
commit 29e495be2a
6 changed files with 189 additions and 110 deletions
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56
quantum/audio.c
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@ -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) {
}
}
}
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;
}
}