#include <stdio.h>
#include <string.h>
//#include <math.h>
-#include <avr/pgmspace.h>
-#include <avr/interrupt.h>
-#include <avr/io.h>
+#if defined(__AVR__)
+ #include <avr/pgmspace.h>
+ #include <avr/interrupt.h>
+ #include <avr/io.h>
+#endif
#include "print.h"
#include "audio.h"
#include "keymap.h"
+#include "wait.h"
#include "eeconfig.h"
// Timer Abstractions
// -----------------------------------------------------------------------------
-// TIMSK3 - Timer/Counter #3 Interrupt Mask Register
-// Turn on/off 3A interputs, stopping/enabling the ISR calls
-#ifdef C6_AUDIO
+//Currently we support timers 1 and 3 used at the sime time, channels A-C,
+//pins PB5, PB6, PB7, PC4, PC5, and PC6
+#if defined(C6_AUDIO)
+ #define CPIN_AUDIO
+ #define CPIN_SET_DIRECTION DDRC |= _BV(PORTC6);
+ #define INIT_AUDIO_COUNTER_3 TCCR3A = (0 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (0 << WGM30);
#define ENABLE_AUDIO_COUNTER_3_ISR TIMSK3 |= _BV(OCIE3A)
#define DISABLE_AUDIO_COUNTER_3_ISR TIMSK3 &= ~_BV(OCIE3A)
-#endif
-
-#ifdef B5_AUDIO
- #define ENABLE_AUDIO_COUNTER_1_ISR TIMSK1 |= _BV(OCIE1A)
- #define DISABLE_AUDIO_COUNTER_1_ISR TIMSK1 &= ~_BV(OCIE1A)
-#endif
-
-// TCCR3A: Timer/Counter #3 Control Register
-// Compare Output Mode (COM3An) = 0b00 = Normal port operation, OC3A disconnected from PC6
-
-#ifdef C6_AUDIO
#define ENABLE_AUDIO_COUNTER_3_OUTPUT TCCR3A |= _BV(COM3A1);
#define DISABLE_AUDIO_COUNTER_3_OUTPUT TCCR3A &= ~(_BV(COM3A1) | _BV(COM3A0));
+ #define TIMER_3_PERIOD ICR3
+ #define TIMER_3_DUTY_CYCLE OCR3A
+ #define TIMER3_AUDIO_vect TIMER3_COMPA_vect
#endif
-
-#ifdef B5_AUDIO
- #define ENABLE_AUDIO_COUNTER_1_OUTPUT TCCR1A |= _BV(COM1A1);
- #define DISABLE_AUDIO_COUNTER_1_OUTPUT TCCR1A &= ~(_BV(COM1A1) | _BV(COM1A0));
+#if defined(C5_AUDIO)
+ #define CPIN_AUDIO
+ #define CPIN_SET_DIRECTION DDRC |= _BV(PORTC5);
+ #define INIT_AUDIO_COUNTER_3 TCCR3A = (0 << COM3B1) | (0 << COM3B0) | (1 << WGM31) | (0 << WGM30);
+ #define ENABLE_AUDIO_COUNTER_3_ISR TIMSK3 |= _BV(OCIE3B)
+ #define DISABLE_AUDIO_COUNTER_3_ISR TIMSK3 &= ~_BV(OCIE3B)
+ #define ENABLE_AUDIO_COUNTER_3_OUTPUT TCCR3A |= _BV(COM3B1);
+ #define DISABLE_AUDIO_COUNTER_3_OUTPUT TCCR3A &= ~(_BV(COM3B1) | _BV(COM3B0));
+ #define TIMER_3_PERIOD ICR3
+ #define TIMER_3_DUTY_CYCLE OCR3B
+ #define TIMER3_AUDIO_vect TIMER3_COMPB_vect
#endif
-
-// Fast PWM Mode Controls
-
-#ifdef C6_AUDIO
+#if defined(C4_AUDIO)
+ #define CPIN_AUDIO
+ #define CPIN_SET_DIRECTION DDRC |= _BV(PORTC4);
+ #define INIT_AUDIO_COUNTER_3 TCCR3A = (0 << COM3C1) | (0 << COM3C0) | (1 << WGM31) | (0 << WGM30);
+ #define ENABLE_AUDIO_COUNTER_3_ISR TIMSK3 |= _BV(OCIE3C)
+ #define DISABLE_AUDIO_COUNTER_3_ISR TIMSK3 &= ~_BV(OCIE3C)
+ #define ENABLE_AUDIO_COUNTER_3_OUTPUT TCCR3A |= _BV(COM3C1);
+ #define DISABLE_AUDIO_COUNTER_3_OUTPUT TCCR3A &= ~(_BV(COM3C1) | _BV(COM3C0));
#define TIMER_3_PERIOD ICR3
- #define TIMER_3_DUTY_CYCLE OCR3A
+ #define TIMER_3_DUTY_CYCLE OCR3C
+ #define TIMER3_AUDIO_vect TIMER3_COMPC_vect
#endif
-#ifdef B5_AUDIO
+#if defined(B5_AUDIO)
+ #define BPIN_AUDIO
+ #define BPIN_SET_DIRECTION DDRB |= _BV(PORTB5);
+ #define INIT_AUDIO_COUNTER_1 TCCR1A = (0 << COM1A1) | (0 << COM1A0) | (1 << WGM11) | (0 << WGM10);
+ #define ENABLE_AUDIO_COUNTER_1_ISR TIMSK1 |= _BV(OCIE1A)
+ #define DISABLE_AUDIO_COUNTER_1_ISR TIMSK1 &= ~_BV(OCIE1A)
+ #define ENABLE_AUDIO_COUNTER_1_OUTPUT TCCR1A |= _BV(COM1A1);
+ #define DISABLE_AUDIO_COUNTER_1_OUTPUT TCCR1A &= ~(_BV(COM1A1) | _BV(COM1A0));
#define TIMER_1_PERIOD ICR1
#define TIMER_1_DUTY_CYCLE OCR1A
+ #define TIMER1_AUDIO_vect TIMER1_COMPA_vect
+#endif
+#if defined(B6_AUDIO)
+ #define BPIN_AUDIO
+ #define BPIN_SET_DIRECTION DDRB |= _BV(PORTB6);
+ #define INIT_AUDIO_COUNTER_1 TCCR1A = (0 << COM1B1) | (0 << COM1B0) | (1 << WGM11) | (0 << WGM10);
+ #define ENABLE_AUDIO_COUNTER_1_ISR TIMSK1 |= _BV(OCIE1B)
+ #define DISABLE_AUDIO_COUNTER_1_ISR TIMSK1 &= ~_BV(OCIE1B)
+ #define ENABLE_AUDIO_COUNTER_1_OUTPUT TCCR1A |= _BV(COM1B1);
+ #define DISABLE_AUDIO_COUNTER_1_OUTPUT TCCR1A &= ~(_BV(COM1B1) | _BV(COM1B0));
+ #define TIMER_1_PERIOD ICR1
+ #define TIMER_1_DUTY_CYCLE OCR1B
+ #define TIMER1_AUDIO_vect TIMER1_COMPB_vect
+#endif
+#if defined(B7_AUDIO)
+ #define BPIN_AUDIO
+ #define BPIN_SET_DIRECTION DDRB |= _BV(PORTB7);
+ #define INIT_AUDIO_COUNTER_1 TCCR1A = (0 << COM1C1) | (0 << COM1C0) | (1 << WGM11) | (0 << WGM10);
+ #define ENABLE_AUDIO_COUNTER_1_ISR TIMSK1 |= _BV(OCIE1C)
+ #define DISABLE_AUDIO_COUNTER_1_ISR TIMSK1 &= ~_BV(OCIE1C)
+ #define ENABLE_AUDIO_COUNTER_1_OUTPUT TCCR1A |= _BV(COM1C1);
+ #define DISABLE_AUDIO_COUNTER_1_OUTPUT TCCR1A &= ~(_BV(COM1C1) | _BV(COM1C0));
+ #define TIMER_1_PERIOD ICR1
+ #define TIMER_1_DUTY_CYCLE OCR1C
+ #define TIMER1_AUDIO_vect TIMER1_COMPC_vect
#endif
-
-
// -----------------------------------------------------------------------------
bool notes_repeat;
bool note_resting = false;
-uint8_t current_note = 0;
+uint16_t current_note = 0;
uint8_t rest_counter = 0;
#ifdef VIBRATO_ENABLE
#ifndef STARTUP_SONG
#define STARTUP_SONG SONG(STARTUP_SOUND)
#endif
+#ifndef AUDIO_ON_SONG
+ #define AUDIO_ON_SONG SONG(AUDIO_ON_SOUND)
+#endif
+#ifndef AUDIO_OFF_SONG
+ #define AUDIO_OFF_SONG SONG(AUDIO_OFF_SOUND)
+#endif
float startup_song[][2] = STARTUP_SONG;
+float audio_on_song[][2] = AUDIO_ON_SONG;
+float audio_off_song[][2] = AUDIO_OFF_SONG;
void audio_init()
{
- if (audio_initialized)
- return;
-
// Check EEPROM
if (!eeconfig_is_enabled())
{
}
audio_config.raw = eeconfig_read_audio();
- // Set port PC6 (OC3A and /OC4A) as output
-
- #ifdef C6_AUDIO
- DDRC |= _BV(PORTC6);
- #else
- DDRC |= _BV(PORTC6);
- PORTC &= ~_BV(PORTC6);
- #endif
-
- #ifdef B5_AUDIO
- DDRB |= _BV(PORTB5);
- #else
- DDRB |= _BV(PORTB5);
- PORTB &= ~_BV(PORTB5);
- #endif
-
- #ifdef C6_AUDIO
- DISABLE_AUDIO_COUNTER_3_ISR;
- #endif
-
- #ifdef B5_AUDIO
- DISABLE_AUDIO_COUNTER_1_ISR;
- #endif
-
- // 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
+ if (!audio_initialized) {
- #ifdef C6_AUDIO
- TCCR3A = (0 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (0 << WGM30);
- TCCR3B = (1 << WGM33) | (1 << WGM32) | (0 << CS32) | (1 << CS31) | (0 << CS30);
- #endif
+ // Set audio ports as output
+ #ifdef CPIN_AUDIO
+ CPIN_SET_DIRECTION
+ DISABLE_AUDIO_COUNTER_3_ISR;
+ #endif
+ #ifdef BPIN_AUDIO
+ BPIN_SET_DIRECTION
+ DISABLE_AUDIO_COUNTER_1_ISR;
+ #endif
- #ifdef B5_AUDIO
- TCCR1A = (0 << COM1A1) | (0 << COM1A0) | (1 << WGM11) | (0 << WGM10);
- TCCR1B = (1 << WGM13) | (1 << WGM12) | (0 << CS12) | (1 << CS11) | (0 << CS10);
- #endif
+ // TCCR3A / TCCR3B: Timer/Counter #3 Control Registers TCCR3A/TCCR3B, TCCR1A/TCCR1B
+ // Compare Output Mode (COM3An and COM1An) = 0b00 = Normal port operation
+ // OC3A -- PC6
+ // OC3B -- PC5
+ // OC3C -- PC4
+ // OC1A -- PB5
+ // OC1B -- PB6
+ // OC1C -- PB7
+
+ // Waveform Generation Mode (WGM3n) = 0b1110 = Fast PWM Mode 14. Period = ICR3, Duty Cycle OCR3A)
+ // OCR3A - PC6
+ // OCR3B - PC5
+ // OCR3C - PC4
+ // OCR1A - PB5
+ // OCR1B - PB6
+ // OCR1C - PB7
+
+ // Clock Select (CS3n) = 0b010 = Clock / 8
+ #ifdef CPIN_AUDIO
+ INIT_AUDIO_COUNTER_3
+ TCCR3B = (1 << WGM33) | (1 << WGM32) | (0 << CS32) | (1 << CS31) | (0 << CS30);
+ TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (440 * CPU_PRESCALER));
+ TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (440 * CPU_PRESCALER)) * note_timbre);
+ #endif
+ #ifdef BPIN_AUDIO
+ INIT_AUDIO_COUNTER_1
+ TCCR1B = (1 << WGM13) | (1 << WGM12) | (0 << CS12) | (1 << CS11) | (0 << CS10);
+ TIMER_1_PERIOD = (uint16_t)(((float)F_CPU) / (440 * CPU_PRESCALER));
+ TIMER_1_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (440 * CPU_PRESCALER)) * note_timbre);
+ #endif
- audio_initialized = true;
+ audio_initialized = true;
+ }
if (audio_config.enable) {
PLAY_SONG(startup_song);
}
voices = 0;
-
- #ifdef C6_AUDIO
+ #ifdef CPIN_AUDIO
DISABLE_AUDIO_COUNTER_3_ISR;
DISABLE_AUDIO_COUNTER_3_OUTPUT;
#endif
- #ifdef B5_AUDIO
+ #ifdef BPIN_AUDIO
DISABLE_AUDIO_COUNTER_1_ISR;
DISABLE_AUDIO_COUNTER_1_OUTPUT;
#endif
voice_place = 0;
}
if (voices == 0) {
- #ifdef C6_AUDIO
+ #ifdef CPIN_AUDIO
DISABLE_AUDIO_COUNTER_3_ISR;
DISABLE_AUDIO_COUNTER_3_OUTPUT;
#endif
- #ifdef B5_AUDIO
+ #ifdef BPIN_AUDIO
DISABLE_AUDIO_COUNTER_1_ISR;
DISABLE_AUDIO_COUNTER_1_OUTPUT;
#endif
#endif
-#ifdef C6_AUDIO
-ISR(TIMER3_COMPA_vect)
+#ifdef CPIN_AUDIO
+ISR(TIMER3_AUDIO_vect)
{
float freq;
if (playing_note) {
if (voices > 0) {
- #ifdef B5_AUDIO
+ #ifdef BPIN_AUDIO
float freq_alt = 0;
if (voices > 1) {
if (polyphony_rate == 0) {
note_position++;
bool end_of_note = false;
if (TIMER_3_PERIOD > 0) {
- if (!note_resting)
+ if (!note_resting)
end_of_note = (note_position >= (note_length / TIMER_3_PERIOD * 0xFFFF - 1));
else
end_of_note = (note_position >= (note_length));
}
#endif
-#ifdef B5_AUDIO
-ISR(TIMER1_COMPA_vect)
+#ifdef BPIN_AUDIO
+ISR(TIMER1_AUDIO_vect)
{
- #if defined(B5_AUDIO) && !defined(C6_AUDIO)
+ #if defined(BPIN_AUDIO) && !defined(CPIN_AUDIO)
float freq = 0;
if (playing_note) {
note_position++;
bool end_of_note = false;
if (TIMER_1_PERIOD > 0) {
- if (!note_resting)
+ if (!note_resting)
end_of_note = (note_position >= (note_length / TIMER_1_PERIOD * 0xFFFF - 1));
else
end_of_note = (note_position >= (note_length));
}
if (audio_config.enable && voices < 8) {
- #ifdef C6_AUDIO
+ #ifdef CPIN_AUDIO
DISABLE_AUDIO_COUNTER_3_ISR;
#endif
- #ifdef B5_AUDIO
+ #ifdef BPIN_AUDIO
DISABLE_AUDIO_COUNTER_1_ISR;
#endif
voices++;
}
- #ifdef C6_AUDIO
+ #ifdef CPIN_AUDIO
ENABLE_AUDIO_COUNTER_3_ISR;
ENABLE_AUDIO_COUNTER_3_OUTPUT;
#endif
- #ifdef B5_AUDIO
- #ifdef C6_AUDIO
+ #ifdef BPIN_AUDIO
+ #ifdef CPIN_AUDIO
if (voices > 1) {
ENABLE_AUDIO_COUNTER_1_ISR;
ENABLE_AUDIO_COUNTER_1_OUTPUT;
if (audio_config.enable) {
- #ifdef C6_AUDIO
+ #ifdef CPIN_AUDIO
DISABLE_AUDIO_COUNTER_3_ISR;
#endif
- #ifdef B5_AUDIO
+ #ifdef BPIN_AUDIO
DISABLE_AUDIO_COUNTER_1_ISR;
#endif
note_position = 0;
- #ifdef C6_AUDIO
+ #ifdef CPIN_AUDIO
ENABLE_AUDIO_COUNTER_3_ISR;
ENABLE_AUDIO_COUNTER_3_OUTPUT;
#endif
- #ifdef B5_AUDIO
- #ifndef C6_AUDIO
+ #ifdef BPIN_AUDIO
+ #ifndef CPIN_AUDIO
ENABLE_AUDIO_COUNTER_1_ISR;
ENABLE_AUDIO_COUNTER_1_OUTPUT;
#endif
audio_config.enable = 1;
eeconfig_update_audio(audio_config.raw);
audio_on_user();
+ PLAY_SONG(audio_on_song);
}
void audio_off(void) {
+ PLAY_SONG(audio_off_song);
+ wait_ms(100);
+ stop_all_notes();
audio_config.enable = 0;
eeconfig_update_audio(audio_config.raw);
}
projects / qmk_firmware.git / blobdiff