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authorJack Humbert <jack.humb@gmail.com>2016-01-11 17:52:35 -0500
committerJack Humbert <jack.humb@gmail.com>2016-01-11 17:52:35 -0500
commit0f867796de6f24a202463e125c1b4bc961621bf7 (patch)
tree945b108a0a6afbaeb645bb2b9cdf8459d2ddacb7 /quantum
parent29de37d5c0ea9fc6b5539ce4493c7b10a2a7f33f (diff)
timer 3
Diffstat (limited to 'quantum')
-rw-r--r--quantum/beeps.c151
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);
-// } \ No newline at end of file
+} \ No newline at end of file