diff options
Diffstat (limited to 'quantum')
| -rw-r--r-- | quantum/beeps.c | 151 |
1 files changed, 9 insertions, 142 deletions
diff --git a/quantum/beeps.c b/quantum/beeps.c index edcc84aca4..08b35abbd8 100644 --- a/quantum/beeps.c +++ b/quantum/beeps.c @@ -32,33 +32,9 @@ bool sliding = false; #define RANGE 1000 volatile int i=0; //elements of the wave -// uint8_t sine[128]; -// uint8_t tri[128]; -// uint8_t squ[128]; -// uint8_t* sine_start; -// uint8_t* sine_end; -// uint8_t* tri_start; -// uint8_t* tri_end; - -// uint8_t* s_start; -// uint8_t* s_end; -// uint8_t* s_ptr; - - - -void beeps() { - play_notes(); -} - -void send_freq(double freq, int vol) { - int duty = (((double)F_CPU) / freq); - ICR3 = duty; // Set max to the period - OCR3A = duty >> (0x10 - vol); // Set compare to half the period -} - void stop_all_notes() { voices = 0; - TIMSK0 &= ~_BV(OCIE0A); + TIMSK3 &= ~_BV(OCIE3A); frequency = 0; volume = 0; @@ -86,7 +62,7 @@ void stop_note(double freq) { if (voices < 0) voices = 0; if (voices == 0) { - TIMSK0 &= ~_BV(OCIE0A); + TIMSK3 &= ~_BV(OCIE3A); frequency = 0; volume = 0; } else { @@ -106,7 +82,6 @@ void stop_note(double freq) { } sliding = false; } - // send_freq(freq, vol); frequency = freq; volume = vol; } @@ -114,18 +89,6 @@ void stop_note(double freq) { void init_notes() { - // for(int i = 0; i < 128; i++) { - // sine[i] = sin(i * PI / 64) * 128 + 128; - // tri[i] = 256 - abs((i - 64) * 4); - // } - // sine_start = &sine; - // sine_end = &sine + 128; - // tri_start = &tri; - // tri_end = &tri + 128; - - // new - - PLLFRQ = _BV(PDIV2); PLLCSR = _BV(PLLE); while(!(PLLCSR & _BV(PLOCK))); @@ -139,28 +102,6 @@ void init_notes() { /* Enable the OC4A output */ DDRC |= _BV(PORTC6); - - - /* First disable the timer overflow interrupt while we're configuring */ - // TIMSK0 &= ~(1<<TOIE0); - - // /* Configure timer4 in normal mode (pure counting, no PWM etc.) */ - // TCCR0A &= ~((1<<WGM01) | (1<<WGM00)); - // TCCR0B &= ~(1<<WGM02); - - // /* Disable Compare Match A interrupt enable (only want overflow) */ - // TIMSK0 &= ~(1<<OCIE0A); - - // TCCR0B |= (1<<CS01); // Set bits - // TCCR0B &= ~(1<<CS00) | ~(1<<CS02); // Clear bit - - // /* Save value globally for later reload in ISR */ - // tcnt0 = 45 - 1; - - // /* Finally load end enable the timer */ - // TCNT0 = tcnt0; - // TIMSK0 |= (1<<TOIE0); - } int max = 0xFF; @@ -168,28 +109,7 @@ float sum = 0; int value = 128; float place = 0; -ISR(TIMER0_COMPA_vect) { - - - - // value = *(sine_start+=(long)frequencies[0]); - // OCR4A = value; - // if (sine_start >= sine_end) { - // sine_start = &sine[(sine_start - sine_end) % 128]; - // } - - - // OCR4A = pgm_read_byte(sine_start); - // // sine_start = &sine[(sine_start - &sine[0] + (int)frequencies[0]) % 128]; - // sine_start += (int)frequencies[0]; - // if (sine_start >= sine_end) { - // sine_start = &sine[(sine_start - sine_end) % 128]; - // } - - // OCR4A = pgm_read_byte(s_ptr); - // s_ptr = s_start + (uint8_t)place; - // OCR4A = pgm_read_byte(s_ptr); - +ISR(TIMER3_COMPA_vect) { // SINE OCR4A = pgm_read_byte(&sinewave[(uint16_t)place]); @@ -217,24 +137,10 @@ ISR(TIMER0_COMPA_vect) { } - -ISR(TIMER0_COMPB_vect) -{ - - /* Disable the interrupt */ - TIMSK0 &= ~_BV(OCIE0B); - -} - void play_note(double freq, int vol) { freq = freq / SAMPLE_RATE; if (freq > 0) { - - // TCCR3A = (1 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (1 << WGM30); - // TCCR3B = (0 << WGM33) | (1 << WGM32) | (0 << CS32) | (0 << CS31) | (1 << CS30); - - // TIMSK3 = 0x0; if (frequency != 0) { double starting_f = frequency; if (frequency < freq) { @@ -247,59 +153,20 @@ void play_note(double freq, int vol) { } } } - // send_freq(freq, vol); frequency = freq; volume = vol; frequencies[voices] = frequency; volumes[voices] = volume; voices++; - // position = 0; - // TCNT0 = 0; } - // ICR3 = 0xFFFF; - // for (int i = 0; i < 10000; i++) { - // OCR3A = round((sin(i*freq)*.5)+.5)*0xFFFF; - // // _delay_us(50); - // } - // TCCR3A = 0; - // TCCR3B = 0; + TIMSK3 &= ~_BV(OCIE3A); + TCCR3A = 0x0; + TCCR3B = _BV(CS31) | _BV(WGM32); + OCR3A = SAMPLE_DIVIDER - 1; - TIMSK0 &= ~_BV(OCIE0A) | ~_BV(OCIE0B); - - TCCR0A = _BV(WGM01); - TCCR0B = _BV(CS01); - OCR0A = SAMPLE_DIVIDER - 1; - OCR0B = 1; - - TIMSK0 |= _BV(OCIE0A); - // sei(); - -} - -// void note(int x, float length) { -// DDRC |= (1<<6); -// int t = (int)(440*pow(2,-x/12.0)); // starting note -// for (int y = 0; y < length*1000/t; y++) { // note length -// PORTC |= (1<<6); -// delay_us(t); -// PORTC &= ~(1<<6); -// delay_us(t); -// } -// PORTC &= ~(1<<6); -// } + TIMSK3 |= _BV(OCIE3A); -// void true_note(float x, float y, float length) { -// for (uint32_t i = 0; i < length * 50; i++) { -// uint32_t v = (uint32_t) (round(sin(PI*2*i*640000*pow(2, x/12.0))*.5+1 + sin(PI*2*i*640000*pow(2, y/12.0))*.5+1) / 2 * pow(2, 8)); -// for (int u = 0; u < 8; u++) { -// if (v & (1 << u) && !(PORTC&(1<<6))) -// PORTC |= (1<<6); -// else if (PORTC&(1<<6)) -// PORTC &= ~(1<<6); -// } -// } -// PORTC &= ~(1<<6); -// }
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