Merge branch 'master' of https://github.com/sboesebeck/qmk_firmware

1 files changed, 0 insertions, 246 deletions

diff --git a/keyboard/preonic/beeps.c b/keyboard/preonic/beeps.c
deleted file mode 100644
index 8ffd70f417..0000000000
--- a/keyboard/preonic/beeps.c
+++ /dev/null
@@ -1,246 +0,0 @@
-#include "beeps.h"
-#include <math.h>
-#include <avr/pgmspace.h>
-#include <avr/interrupt.h>
-#include <avr/io.h>
-
-#define PI 3.14159265
-
-void delay_us(int count) {
-  while(count--) {
-    _delay_us(1);
-  }
-}
-
-int voices = 0;
-double frequency = 0;
-int volume = 0;
-int position = 0;
-
-double frequencies[8] = {0, 0, 0, 0, 0, 0, 0, 0};
-int volumes[8] = {0, 0, 0, 0, 0, 0, 0, 0};
-bool sliding = false;
-#define RANGE 1000
-volatile int i=0; //elements of the wave
-
-
-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;
-    TCCR3A = 0;
-    TCCR3B = 0;
-    frequency = 0;
-    volume = 0;
-
-    for (int i = 0; i < 8; i++) {
-        frequencies[i] = 0;
-        volumes[i] = 0;
-    }
-}
-
-void stop_note(double freq) {
-    for (int i = 7; i >= 0; i--) {
-        if (frequencies[i] == freq) {
-            frequencies[i] = 0;
-            volumes[i] = 0;
-            for (int j = i; (j < 7); j++) {
-                frequencies[j] = frequencies[j+1];
-                frequencies[j+1] = 0;
-                volumes[j] = volumes[j+1];
-                volumes[j+1] = 0;
-            }
-        }
-    }
-    voices--;
-    if (voices < 0)
-        voices = 0;
-    if (voices == 0) {
-        TCCR3A = 0;
-        TCCR3B = 0;
-        frequency = 0;
-        volume = 0;
-    } else {
-        double freq = frequencies[voices - 1];
-        int vol = volumes[voices - 1];
-        if (frequency < freq) {
-            sliding = true;
-            for (double f = frequency; f <= freq; f += ((freq - frequency) / 500.0)) {
-                send_freq(f, vol);
-            }
-            sliding = false;
-        } else if (frequency > freq) {
-            sliding = true;
-            for (double f = frequency; f >= freq; f -= ((frequency - freq) / 500.0)) {
-                send_freq(f, vol);
-            }
-            sliding = false;
-        }
-        send_freq(freq, vol);
-        frequency = freq;
-        volume = vol;
-    }
-}
-
-void init_notes() {
-    // TCCR1A = (1 << COM1A1) | (0 << COM1A0) | (1 << WGM11) | (1 << WGM10);
-    // TCCR1B = (1 << COM1B1) | (0 << COM1A0) | (1 << WGM13) | (1 << WGM12) | (0 << CS12) | (0 << CS11) | (1 << CS10);
-
-    // DDRC |= (1<<6); 
-
-    // TCCR3A = (1 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (0 << WGM30);
-    // TCCR3B = (1 << WGM33) | (1 << WGM32) | (0 << CS32) | (0 << CS31) | (1 << CS30);
-
-    // ICR3 = 0xFFFF; 
-    // OCR3A = (int)((float)wave[i]*ICR3/RANGE); //go to next array element
-
-
-    // cli();
-
-    // /* Enable interrupt on timer2 == 127, with clk/8 prescaler. At 16MHz,
-    //    this gives a timer interrupt at 15625Hz. */
-    // TIMSK3 = (1 << OCIE3A);
-
-    // /* clear/reset timer on match */
-    // // TCCR3A = 1<<WGM31 | 0<<WGM30;  CTC mode, reset on match 
-    // // TCCR3B = 0<<CS32 | 1<<CS31 | 0<<CS30; /* clk, /8 prescaler */
-
-    // TCCR3A = (1 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (0 << WGM30);
-    // TCCR3B = (0 << WGM33) | (0 << WGM32) | (0 << CS32) | (0 << CS31) | (1 << CS30);
-
-
-    // TCCR1A = (1 << COM1A1) | (0 << COM1A0) | (1 << WGM11) | (0 << WGM10);
-    // TCCR1B = (1 << WGM12) | (0 << CS12) | (0 << CS11) | (1 << CS10);
-    // // SPCR = 0x50;
-    // // SPSR = 0x01;
-    // DDRC |= (1<<6);
-    // // ICR3 = 0xFFFF; 
-    // // OCR3A=80;
-    // PORTC |= (1<<6);
-
-    // sei();
-}
-
-// #define highByte(c) ((c >> 8) & 0x00FF)
-// #define lowByte(c) (c & 0x00FF)
-
-ISR(TIMER3_COMPA_vect) {
-
-    if (ICR3 > 0 && !sliding) {
-        switch (position) {
-            case 0: {
-                int duty = (((double)F_CPU) / (frequency));
-                ICR3 = duty; // Set max to the period
-                OCR3A = duty >> 1; // Set compare to half the period
-                break;
-            }
-            case 1: {
-                int duty = (((double)F_CPU) / (frequency*2));
-                ICR3 = duty; // Set max to the period
-                OCR3A = duty >> 1; // Set compare to half the period
-                break;
-            }
-            case 2: {
-                int duty = (((double)F_CPU) / (frequency*3));
-                ICR3 = duty; // Set max to the period
-                OCR3A = duty >> 1; // Set compare to half the period
-                break;
-            }
-        }
-        position = (position + 1) % 3;
-    }
-//     /* OCR2A has been cleared, per TCCR2A above */
-//     // OCR3A = 127;
-
-//     // pos1 += incr1;
-//     // pos2 += incr2;
-//     // pos3 += incr3;
-
-//     // sample = sinewave[highByte(pos1)] + sinewave[highByte(pos2)] + sinewave[highByte(pos3)];
-
-//     // OCR3A = sample;
-
-
-//     OCR3A=pgm_read_byte(&sinewave[pos1]);
-//     pos1++;
-//     // PORTC &= ~(1<<6);
-
-//     /* buffered, 1x gain, active mode */
-//     // SPDR = highByte(sample) | 0x70;
-//     // while (!(SPSR & (1<<SPIF)));
-
-//     // SPDR = lowByte(sample);
-//     // while (!(SPSR & (1<<SPIF)));
-
-//     // PORTC |= (1<<6);
-}
-
-void play_note(double freq, int vol) {
-
-    if (freq > 0) {
-        DDRC |= (1<<6); 
-
-        TCCR3A = (1 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (0 << WGM30);
-        TCCR3B = (1 << WGM33) | (1 << WGM32) | (0 << CS32) | (1 << CS31) | (0 << CS30);
-
-        if (frequency != 0) {
-            if (frequency < freq) {
-                for (double f = frequency; f <= freq; f += ((freq - frequency) / 500.0)) {
-                    send_freq(f, vol);
-                }
-            } else if (frequency > freq) {
-                for (double f = frequency; f >= freq; f -= ((frequency - freq) / 500.0)) {
-                    send_freq(f, vol);
-                }
-            }
-        }
-        send_freq(freq, vol);
-        frequency = freq;
-        volume = vol;
-
-        frequencies[voices] = frequency;
-        volumes[voices] = volume;
-        voices++;
-    }
-    // ICR3 = 0xFFFF;
-    // for (int i = 0; i < 10000; i++) {
-    //     OCR3A = round((sin(i*freq)*.5)+.5)*0xFFFF;
-    //     // _delay_us(50);
-    // }
-
-    // TCCR3A = 0;
-    // TCCR3B = 0;
-}
-
-// 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);
-// }
-
-// 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