pwm audio

13 files changed, 593 insertions, 183 deletions

diff --git a/keyboard/ergodox_ez/keymaps/keymap_generated.c b/keyboard/ergodox_ez/keymaps/keymap_generated.c
new file mode 100644
index 0000000000..54fd3059f2
--- /dev/null
+++ b/keyboard/ergodox_ez/keymaps/keymap_generated.c
@@ -0,0 +1,78 @@
+#include "ergodox_ez.h"
+#include "debug.h"
+#include "action_layer.h"
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+// If it accepts an argument (i.e, is a function), it doesn't need KC_.
+// Otherwise, it needs KC_*
+
+#define SYMB 0
+
+[0] = KEYMAP( \
+\
+KC_KP_EQUAL, KC_1, KC_2, KC_3, KC_4, KC_5, KC_LEFT, KC_DELETE, KC_Q, KC_W, KC_E, KC_R, KC_T, TG(1), KC_BSPACE, KC_A, KC_S, KC_D, KC_F, KC_G, KC_LSHIFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TAB, KC_LEFT, KC_RIGHT, KC_TRANSPARENT, KC_LGUI, KC_HOME, KC_SPACE, KC_BSPACE, KC_END, KC_RIGHT, KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINUS, TG(1), KC_Y, KC_U, KC_I, KC_O, KC_P, KC_BSLASH, KC_H, KC_J, KC_K, KC_L, KC_SCOLON, KC_QUOTE, KC_TRANSPARENT, KC_N, KC_M, KC_COMMA, KC_DOT, KC_LCTRL, KC_LSHIFT, KC_UP, KC_DOWN, KC_LBRACKET, KC_RBRACKET, KC_TRANSPARENT, KC_LALT, KC_ESCAPE, KC_PGUP, KC_PGDOWN, KC_TAB, KC_ENTER \
+\
+),
+
+[1] = KEYMAP( \
+\
+KC_TRANSPARENT, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_TRANSPARENT, KC_UP, KC_KP_7, KC_KP_8, KC_KP_9, KC_KP_ASTERISK, KC_F12, KC_DOWN, KC_KP_4, KC_KP_5, KC_KP_6, KC_KP_PLUS, KC_TRANSPARENT, KC_TRANSPARENT, , KC_KP_1, KC_KP_2, KC_KP_3, KC_KP_SLASH, KC_TRANSPARENT, KC_TRANSPARENT, KC_KP_DOT, KC_KP_0, KC_KP_EQUAL, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT \
+\
+),
+
+[2] = KEYMAP( \
+\
+KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_MS_UP, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_MS_LEFT, KC_MS_DOWN, KC_MS_RIGHT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_MS_BTN3, KC_MS_BTN2, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_MEDIA_PLAY_PAUSE, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_MEDIA_PREV_TRACK, KC_MEDIA_NEXT_TRACK, KC_TRANSPARENT, KC_TRANSPARENT, KC_AUDIO_VOL_UP, KC_AUDIO_VOL_DOWN, KC_AUDIO_MUTE, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT \
+\
+),
+
+};
+
+const uint16_t PROGMEM fn_actions[] = {
+    [1] = ACTION_LAYER_TAP_TOGGLE(SYMB)                // FN1 - Momentary Layer 1 (Symbols)
+};
+
+const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
+{
+  // MACRODOWN only works in this function
+      switch(id) {
+        case 0:
+        if (record->event.pressed) {
+          register_code(KC_RSFT);
+        } else {
+          unregister_code(KC_RSFT);
+        }
+        break;
+      }
+    return MACRO_NONE;
+};
+
+// Runs just one time when the keyboard initializes.
+void * matrix_init_user(void) {
+
+};
+
+// Runs constantly in the background, in a loop.
+void * matrix_scan_user(void) {
+
+    uint8_t layer = biton32(layer_state);
+
+    ergodox_board_led_off();
+    ergodox_right_led_1_off();
+    ergodox_right_led_2_off();
+    ergodox_right_led_3_off();
+    switch (layer) {
+      // TODO: Make this relevant to the ErgoDox EZ.
+        case 1:
+            ergodox_right_led_1_on();
+            break;
+        case 2:
+            ergodox_right_led_2_on();
+            break;
+        default:
+            // none
+            break;
+    }
+
+};
diff --git a/keyboard/ergodox_ez/keymaps/keymap_jack.c b/keyboard/ergodox_ez/keymaps/keymap_jack.c
index 2677a3d8fa..f8f73a1afd 100644
--- a/keyboard/ergodox_ez/keymaps/keymap_jack.c
+++ b/keyboard/ergodox_ez/keymaps/keymap_jack.c
@@ -8,29 +8,6 @@
 #define MDIA 2 // media keys
 
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
-/* Keymap 0: Basic layer
- *
- * ,--------------------------------------------------.           ,--------------------------------------------------.
- * |   =    |   1  |   2  |   3  |   4  |   5  | LEFT |           | RIGHT|   6  |   7  |   8  |   9  |   0  |   -    |
- * |--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
- * | Del    |   Q  |   W  |   E  |   R  |   T  |  L1  |           |  L1  |   Y  |   U  |   I  |   O  |   P  |   \    |
- * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
- * | BkSp   |   A  |   S  |   D  |   F  |   G  |------|           |------|   H  |   J  |   K  |   L  |; / L2|   '    |
- * |--------+------+------+------+------+------| Hyper|           | Meh  |------+------+------+------+------+--------|
- * | LShift |Z/Ctrl|   X  |   C  |   V  |   B  |      |           |      |   N  |   M  |   ,  |   .  |//Ctrl| RShift |
- * `--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
- *   |Grv/L1|  '"  |AltShf| Left | Right|                                       |  Up  | Down |   [  |   ]  | ~L1  |
- *   `----------------------------------'                                       `----------------------------------'
- *                                        ,-------------.       ,-------------.
- *                                        | App  | LGui |       | Alt  |Ctrl/Esc|
- *                                 ,------|------|------|       |------+--------+------.
- *                                 |      |      | Home |       | PgUp |        |      |
- *                                 | Space|Backsp|------|       |------|  Tab   |Enter |
- *                                 |      |ace   | End  |       | PgDn |        |      |
- *                                 `--------------------'       `----------------------'
- */
-// If it accepts an argument (i.e, is a function), it doesn't need KC_.
-// Otherwise, it needs KC_*
 [BASE] = KEYMAP(  // layer 0 : default
         // left hand
         KC_NO,          KC_1,         KC_2,   KC_3,   KC_4,   KC_5,   KC_NO,
@@ -51,28 +28,6 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
              KC_PGUP,
              KC_PGDN, KC_SPC,KC_SPC
     ),
-/* Keymap 1: Symbol Layer
- *
- * ,--------------------------------------------------.           ,--------------------------------------------------.
- * |        |  F1  |  F2  |  F3  |  F4  |  F5  |      |           |      |  F6  |  F7  |  F8  |  F9  |  F10 |   F11  |
- * |--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
- * |        |   !  |   @  |   {  |   }  |   |  |      |           |      |   Up |   7  |   8  |   9  |   *  |   F12  |
- * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
- * |        |   #  |   $  |   (  |   )  |   `  |------|           |------| Down |   4  |   5  |   6  |   +  |        |
- * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
- * |        |   %  |   ^  |   [  |   ]  |   ~  |      |           |      |   &  |   1  |   2  |   3  |   \  |        |
- * `--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
- *   |      |      |      |      |      |                                       |      |    . |   0  |   =  |      |
- *   `----------------------------------'                                       `----------------------------------'
- *                                        ,-------------.       ,-------------.
- *                                        |      |      |       |      |      |
- *                                 ,------|------|------|       |------+------+------.
- *                                 |      |      |      |       |      |      |      |
- *                                 |      |      |------|       |------|      |      |
- *                                 |      |      |      |       |      |      |      |
- *                                 `--------------------'       `--------------------'
- */
-// SYMBOLS
 [SYMB] = KEYMAP(
        // left hand
        KC_TRNS,KC_F1,  KC_F2,  KC_F3,  KC_F4,  KC_F5,  KC_TRNS,
@@ -93,29 +48,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
        KC_TRNS,
        KC_TRNS, KC_TRNS, KC_TRNS
 ),
-/* Keymap 2: Media and mouse keys
- *
- * ,--------------------------------------------------.           ,--------------------------------------------------.
- * |        |      |      |      |      |      |      |           |      |      |      |      |      |      |        |
- * |--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
- * |        |      |      | MsUp |      |      |      |           |      |      |      |      |      |      |        |
- * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
- * |        |      |MsLeft|MsDown|MsRght|      |------|           |------|      |      |      |      |      |  Play  |
- * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
- * |        |      |      |      |      |      |      |           |      |      |      | Prev | Next |      |        |
- * `--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
- *   |      |      |      | Lclk | Rclk |                                       |VolUp |VolDn | Mute |      |      |
- *   `----------------------------------'                                       `----------------------------------'
- *                                        ,-------------.       ,-------------.
- *                                        |      |      |       |      |      |
- *                                 ,------|------|------|       |------+------+------.
- *                                 |      |      |      |       |      |      |Brwser|
- *                                 |      |      |------|       |------|      |Back  |
- *                                 |      |      |      |       |      |      |      |
- *                                 `--------------------'       `--------------------'
- */
-// MEDIA AND MOUSE
-KEYMAP(
+[MDIA] = KEYMAP(
        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
        KC_TILD, KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_TRNS,
        KC_TRNS, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,  
diff --git a/keyboard/planck/Makefile b/keyboard/planck/Makefile
index 485c5f77f6..fdf8c16400 100644
--- a/keyboard/planck/Makefile
+++ b/keyboard/planck/Makefile
@@ -122,8 +122,8 @@ COMMAND_ENABLE = yes    # Commands for debug and configuration
 # Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
 # SLEEP_LED_ENABLE = yes  # Breathing sleep LED during USB suspend
 # NKRO_ENABLE = yes		# USB Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
-BACKLIGHT_ENABLE = yes  # Enable keyboard backlight functionality
-# MIDI_ENABLE = YES 		# MIDI controls
+# BACKLIGHT_ENABLE = yes  # Enable keyboard backlight functionality
+MIDI_ENABLE = YES 		# MIDI controls
 # UNICODE_ENABLE = YES 		# Unicode
 # BLUETOOTH_ENABLE = yes # Enable Bluetooth with the Adafruit EZ-Key HID
 
diff --git a/keyboard/planck/keymaps/keymap_eric.c b/keyboard/planck/keymaps/keymap_eric.c
new file mode 100644
index 0000000000..ffeec5f805
--- /dev/null
+++ b/keyboard/planck/keymaps/keymap_eric.c
@@ -0,0 +1,42 @@
+#include "planck.h"
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ [0] = {
+    {KC_BSLS, S(KC_SLSH), KC_COMM,       KC_DOT,   KC_P,   KC_Y,   KC_F,    KC_G,         KC_C,    KC_R,    KC_L, KC_SLSH}, 
+    {TG(1),         KC_A,    KC_O,         KC_E,   KC_U,   KC_I,   KC_D,    KC_H,         KC_T,    KC_N,    KC_S, KC_MINS},
+    {KC_LGUI,    KC_QUOT,    KC_Q,         KC_J,   KC_K,   KC_X,   KC_B,    KC_M,         KC_W,    KC_V,    KC_Z, KC_RGUI},
+    {KC_LCBR,    KC_LCTL, KC_LALT, LT(1, TG(2)), KC_SPC, KC_TAB, KC_ENT, KC_BSPC, LT(1, TG(3)), KC_RALT, KC_RCTL, KC_RCBR}
+  },
+
+ [1] = {
+    {KC_PIPE,    KC_COLN, KC_LBRC,  KC_RBRC, S(KC_P), S(KC_Y), S(KC_F), S(KC_G), S(KC_C), S(KC_R), S(KC_L), KC_AMPR}, 
+    {KC_TRNS,    S(KC_A), S(KC_O),  S(KC_E), S(KC_U), S(KC_I), S(KC_D), S(KC_H), S(KC_T), S(KC_N), S(KC_S), KC_GRV},
+    {KC_TRNS,    KC_SCLN, S(KC_Q),  S(KC_J), S(KC_K), S(KC_X), S(KC_B), S(KC_M), S(KC_W), S(KC_V), S(KC_Z), KC_TRNS},
+    {S(KC_COMM), KC_TRNS, KC_TRNS,  KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, S(KC_DOT)}
+  },
+
+ [2] = {
+    {KC_ESC,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,  KC_F10, KC_NO}, 
+    {KC_NO,  KC_F11,  KC_F12,  KC_F13,  KC_F14,  KC_F15,  KC_F16,  KC_F17,  KC_F18,  KC_F19,  KC_F20, KC_NO},
+    {KC_TRNS, KC_NO,   KC_NO,   KC_NO,   KC_NO,   KC_NO,   KC_NO,   KC_NO,   KC_NO,   KC_NO,   KC_NO, KC_TRNS},
+    {KC_NO, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_NO}
+  },
+
+ [3] = {
+    {KC_EXLM,  KC_7,    KC_5,    KC_3,      KC_1,    KC_9,    KC_0,    KC_2,    KC_4,    KC_6,    KC_8, KC_EQL}, 
+    {TG(4),   KC_NO, KC_PGUP, KC_HOME, KC_INSERT,   KC_NO,   KC_NO,  BL_DEC,   KC_UP,  BL_INC,   KC_NO, KC_NO},
+    {KC_TRNS, KC_NO, KC_PGDN,  KC_END, KC_DELETE,   KC_NO,   KC_NO, KC_LEFT, KC_DOWN, KC_RGHT,   KC_NO, KC_TRNS},
+    {KC_NO, KC_TRNS, KC_TRNS, KC_TRNS,   KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_NO}
+  },
+
+ [4] = {
+    {KC_TILD, KC_HASH, KC_LPRN, KC_RPRN, S(KC_QUOT), KC_PERC, KC_UNDS, KC_CIRC,  KC_DLR,   KC_AT, KC_ASTR, KC_PLUS}, 
+    {KC_TRNS,   KC_NO,   KC_NO,   KC_NO,      KC_NO,   KC_NO,   KC_NO,   KC_NO,   KC_NO,   KC_NO,   KC_NO, KC_NO},
+    {KC_TRNS,   KC_NO,   KC_NO,   KC_NO,      KC_NO,   KC_NO,   KC_NO,   KC_NO,   KC_NO,   KC_NO,   KC_NO, KC_TRNS},
+    {KC_NO,   KC_TRNS, KC_TRNS, KC_TRNS,    KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_NO}
+  }
+};
+
+const uint16_t PROGMEM fn_actions[] = {
+
+};
\ No newline at end of file
diff --git a/keyboard/planck/keymaps/keymap_lock.c b/keyboard/planck/keymaps/keymap_lock.c
index cc9be55f64..c2bf0b7d81 100644
--- a/keyboard/planck/keymaps/keymap_lock.c
+++ b/keyboard/planck/keymaps/keymap_lock.c
@@ -1,5 +1,5 @@
 #include "keymap_common.h"
-#include "backlight.h"
+// #include "backlight.h"
 #include "action_layer.h"
 #include "keymap_midi.h"
 #include <avr/boot.h>
@@ -71,7 +71,7 @@ const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
         if (record->event.pressed) {
           // play_note(440, 20);
           // register_code(KC_RSFT);
-          backlight_set(BACKLIGHT_LEVELS);
+          // backlight_set(BACKLIGHT_LEVELS);
           default_layer_and(0); 
           default_layer_or((1<<5));
 
@@ -106,9 +106,9 @@ const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
           // note(0+12, 20);
           // note(0+24, 20);
         } else {
-          // unregister_code(KC_RSFT);
-          // stop_note();
-          backlight_set(0);
+          unregister_code(KC_RSFT);
+          // stop_all_notes();
+          // backlight_set(0);
           default_layer_and(0); 
           default_layer_or(0);
           // note(0+24, 20);
diff --git a/keyboard/planck/planck.c b/keyboard/planck/planck.c
index b62862af04..a986bd8812 100644
--- a/keyboard/planck/planck.c
+++ b/keyboard/planck/planck.c
@@ -19,6 +19,35 @@ void * matrix_init_kb(void) {
     DDRE |= (1<<6);
     PORTE |= (1<<6);
 
+    init_notes();
+
+    // play_note(((double)261.6*32)*pow(2.0,(36)/12.0), 0xF);
+    // _delay_ms(50);
+
+    // play_note(((double)261.6*32)*pow(2.0,(48)/12.0), 0xF);
+    // _delay_ms(25);
+    // stop_note(((double)261.6*32)*pow(2.0,(48)/12.0));
+
+    // play_note(((double)261.6*32)*pow(2.0,(48)/12.0), 0xF);
+    // _delay_ms(25);
+    // stop_note(((double)261.6*32)*pow(2.0,(48)/12.0));
+
+
+    // stop_note(((double)261.6*32)*pow(2.0,(36)/12.0));
+
+
+    // play_note(((double)261.6*32)*pow(2.0,(62)/12.0), 0xF);
+    // _delay_ms(50);
+    // stop_note(((double)261.6*32)*pow(2.0,(62)/12.0));
+
+
+    // play_note(((double)261.6*32)*pow(2.0,(64)/12.0), 0xF);
+    // _delay_ms(50);
+    // stop_note(((double)261.6*32)*pow(2.0,(64)/12.0));
+
+
+
+
 	if (matrix_init_user) {
 		(*matrix_init_user)();
 	}
diff --git a/keyboard/planck/planck.h b/keyboard/planck/planck.h
index 4e59aef566..32c08f3b0b 100644
--- a/keyboard/planck/planck.h
+++ b/keyboard/planck/planck.h
@@ -3,8 +3,11 @@
 
 #include "matrix.h"
 #include "keymap_common.h"
-#include "backlight.h"
+// #include "backlight.h"
 #include <stddef.h>
+#ifdef MIDI_ENABLE
+	#include <keymap_midi.h>
+#endif
 
 #define PLANCK_MIT( \
 	k00, k01, k02, k03, k04, k05, k06, k07, k08, k09, k0a, k0b, \
diff --git a/quantum/beeps.c b/quantum/beeps.c
index 8d1f81f210..edcc84aca4 100644
--- a/quantum/beeps.c
+++ b/quantum/beeps.c
@@ -1,11 +1,20 @@
-#include "beeps.h"
+#include <stdio.h>
+#include <string.h>
 #include <math.h>
 #include <avr/pgmspace.h>
 #include <avr/interrupt.h>
 #include <avr/io.h>
 
+#include "beeps.h"
+#include "keymap_common.h"
+#include "wave.h"
+
 #define PI 3.14159265
 
+#define SAMPLE_DIVIDER 70
+#define SAMPLE_RATE (2000000.0/SAMPLE_DIVIDER/256)
+// Resistor value of 1/ (2 * PI * 10nF * (2000000 hertz / SAMPLE_DIVIDER / 10)) for 10nF cap
+
 void delay_us(int count) {
   while(count--) {
     _delay_us(1);
@@ -15,7 +24,7 @@ void delay_us(int count) {
 int voices = 0;
 double frequency = 0;
 int volume = 0;
-int position = 0;
+long position = 0;
 
 double frequencies[8] = {0, 0, 0, 0, 0, 0, 0, 0};
 int volumes[8] = {0, 0, 0, 0, 0, 0, 0, 0};
@@ -23,6 +32,19 @@ 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();
@@ -36,8 +58,7 @@ void send_freq(double freq, int vol) {
 
 void stop_all_notes() {
     voices = 0;
-    TCCR3A = 0;
-    TCCR3B = 0;
+    TIMSK0 &= ~_BV(OCIE0A);
     frequency = 0;
     volume = 0;
 
@@ -48,6 +69,7 @@ void stop_all_notes() {
 }
 
 void stop_note(double freq) {
+    freq = freq / SAMPLE_RATE;
     for (int i = 7; i >= 0; i--) {
         if (frequencies[i] == freq) {
             frequencies[i] = 0;
@@ -64,151 +86,176 @@ void stop_note(double freq) {
     if (voices < 0)
         voices = 0;
     if (voices == 0) {
-        TCCR3A = 0;
-        TCCR3B = 0;
+        TIMSK0 &= ~_BV(OCIE0A);
         frequency = 0;
         volume = 0;
     } else {
         double freq = frequencies[voices - 1];
         int vol = volumes[voices - 1];
+        double starting_f = frequency;
         if (frequency < freq) {
             sliding = true;
-            for (double f = frequency; f <= freq; f += ((freq - frequency) / 500.0)) {
-                send_freq(f, vol);
+            for (double f = starting_f; f <= freq; f += ((freq - starting_f) / 500.0)) {
+                frequency = f;
             }
             sliding = false;
         } else if (frequency > freq) {
             sliding = true;
-            for (double f = frequency; f >= freq; f -= ((frequency - freq) / 500.0)) {
-                send_freq(f, vol);
+            for (double f = starting_f; f >= freq; f -= ((starting_f - freq) / 500.0)) {
+                frequency = f;
             }
             sliding = false;
         }
-        send_freq(freq, vol);
+        // 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); 
+    // 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;
 
-    // TCCR3A = (1 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (0 << WGM30);
-    // TCCR3B = (1 << WGM33) | (1 << WGM32) | (0 << CS32) | (0 << CS31) | (1 << CS30);
+ // new
 
-    // ICR3 = 0xFFFF; 
-    // OCR3A = (int)((float)wave[i]*ICR3/RANGE); //go to next array element
 
+  PLLFRQ = _BV(PDIV2);
+  PLLCSR = _BV(PLLE);
+  while(!(PLLCSR & _BV(PLOCK)));
+  PLLFRQ |= _BV(PLLTM0); /* PCK 48MHz */
+  
+  /* Init a fast PWM on Timer4 */
+  TCCR4A = _BV(COM4A0) | _BV(PWM4A); /* Clear OC4A on Compare Match */
+  TCCR4B = _BV(CS40); /* No prescaling => f = PCK/256 = 187500Hz */
+  OCR4A = 0;
 
-    // cli();
+  /* Enable the OC4A output */
+  DDRC |= _BV(PORTC6);
 
-    // /* 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);
+       /* 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; 
 
-    // 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);
+  // /* Finally load end enable the timer */
+  // TCNT0 = tcnt0;
+  // TIMSK0 |= (1<<TOIE0);
 
-    // sei();
 }
 
-// #define highByte(c) ((c >> 8) & 0x00FF)
-// #define lowByte(c) (c & 0x00FF)
+int max = 0xFF;
+float sum = 0;
+int value = 128;
+float place = 0;
 
-ISR(TIMER3_COMPA_vect) {
+ISR(TIMER0_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)];
+    // value = *(sine_start+=(long)frequencies[0]);
+    // OCR4A = value;
+    // if (sine_start >= sine_end) {
+    //     sine_start = &sine[(sine_start - sine_end) % 128];
+    // }
 
-//     // OCR3A = sample;
 
+    // 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);
+
+
+    // SINE
+    OCR4A = pgm_read_byte(&sinewave[(uint16_t)place]);
+    
+    // SQUARE
+    // if (((int)place) >= 1024){
+    //     OCR4A = 0xFF;
+    // } else {
+    //     OCR4A = 0x00;
+    // }
+    
+    // SAWTOOTH
+    // OCR4A = (int)place / 4;
+
+    // TRIANGLE
+    // if (((int)place) >= 1024) {
+    //     OCR4A = (int)place / 2;
+    // } else {
+    //     OCR4A = 2048 - (int)place / 2;
+    // }
+
+    place += frequency;
+    if (place >= SINE_LENGTH)
+        place -= SINE_LENGTH;
+
+}
 
-//     OCR3A=pgm_read_byte(&sinewave[pos1]);
-//     pos1++;
-//     // PORTC &= ~(1<<6);
 
-//     /* buffered, 1x gain, active mode */
-//     // SPDR = highByte(sample) | 0x70;
-//     // while (!(SPSR & (1<<SPIF)));
+ISR(TIMER0_COMPB_vect)
+{
 
-//     // SPDR = lowByte(sample);
-//     // while (!(SPSR & (1<<SPIF)));
+  /* Disable the interrupt */
+  TIMSK0 &= ~_BV(OCIE0B);
 
-//     // PORTC |= (1<<6);
 }
 
 void play_note(double freq, int vol) {
 
+    freq = freq / SAMPLE_RATE;
     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);
+        // 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) {
-                for (double f = frequency; f <= freq; f += ((freq - frequency) / 500.0)) {
-                    send_freq(f, vol);
+                for (double f = starting_f; f <= freq; f += ((freq - starting_f) / 500.0)) {   
+                    frequency = f;
                 }
             } else if (frequency > freq) {
-                for (double f = frequency; f >= freq; f -= ((frequency - freq) / 500.0)) {
-                    send_freq(f, vol);
+                for (double f = starting_f; f >= freq; f -= ((starting_f - freq) / 500.0)) {
+                    frequency = f;
                 }
             }
         }
-        send_freq(freq, 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++) {
@@ -218,6 +265,18 @@ void play_note(double freq, int vol) {
 
     // TCCR3A = 0;
     // TCCR3B = 0;
+
+
+    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) {
diff --git a/quantum/beeps.h b/quantum/beeps.h
index 378983c605..a7fcf6c23c 100644
--- a/quantum/beeps.h
+++ b/quantum/beeps.h
@@ -9,4 +9,4 @@ void true_note(float x, float y, float length);
 void play_note(double freq, int vol);
 void stop_note(double freq);
 void stop_all_notes();
-void init_notes();
\ No newline at end of file
+void init_notes();
diff --git a/quantum/keymap_midi.c b/quantum/keymap_midi.c
index b7eba3ab76..3a1408e220 100644
--- a/quantum/keymap_midi.c
+++ b/quantum/keymap_midi.c
@@ -17,7 +17,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "keymap_common.h"
 #include "keymap_midi.h"
-#include <lufa.h>
 
 uint8_t starting_note = 0x0C;
 int offset = 7;
@@ -35,7 +34,7 @@ void action_function(keyrecord_t *record, uint8_t id, uint8_t opt)
     if (record->event.key.col == (MATRIX_COLS - 1) && record->event.key.row == (MATRIX_ROWS - 1)) {
         if (record->event.pressed) {
             starting_note++;
-            play_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[0 + offset])/12.0+(MATRIX_ROWS - 1)), 0xC);
+            play_note(((double)261.626)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[0 + offset])/12.0+(MATRIX_ROWS - 1)), 0xC);
             midi_send_cc(&midi_device, 0, 0x7B, 0);
             midi_send_cc(&midi_device, 1, 0x7B, 0);
             midi_send_cc(&midi_device, 2, 0x7B, 0);
@@ -43,7 +42,7 @@ void action_function(keyrecord_t *record, uint8_t id, uint8_t opt)
             midi_send_cc(&midi_device, 4, 0x7B, 0);
             return;
         } else {
-            stop_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[0 + offset])/12.0+(MATRIX_ROWS - 1)));
+            stop_note(((double)261.626)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[0 + offset])/12.0+(MATRIX_ROWS - 1)));
             stop_all_notes();
             return;
         }
@@ -51,7 +50,7 @@ void action_function(keyrecord_t *record, uint8_t id, uint8_t opt)
     if (record->event.key.col == (MATRIX_COLS - 2) && record->event.key.row == (MATRIX_ROWS - 1)) {
         if (record->event.pressed) {
             starting_note--;
-            play_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[0 + offset])/12.0+(MATRIX_ROWS - 1)), 0xC);
+            play_note(((double)261.626)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[0 + offset])/12.0+(MATRIX_ROWS - 1)), 0xC);
             midi_send_cc(&midi_device, 0, 0x7B, 0);
             midi_send_cc(&midi_device, 1, 0x7B, 0);
             midi_send_cc(&midi_device, 2, 0x7B, 0);
@@ -59,7 +58,7 @@ void action_function(keyrecord_t *record, uint8_t id, uint8_t opt)
             midi_send_cc(&midi_device, 4, 0x7B, 0);
             return;
         } else {
-            stop_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[0 + offset])/12.0+(MATRIX_ROWS - 1)));
+            stop_note(((double)261.626)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[0 + offset])/12.0+(MATRIX_ROWS - 1)));
             stop_all_notes();
             return;
         }
@@ -74,9 +73,9 @@ void action_function(keyrecord_t *record, uint8_t id, uint8_t opt)
         midi_send_cc(&midi_device, 4, 0x7B, 0);
         stop_all_notes();
         for (int i = 0; i <= 7; i++) {
-            play_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[i + offset])/12.0+(MATRIX_ROWS - 1)), 0xC);
+            play_note(((double)261.626)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[i + offset])/12.0+(MATRIX_ROWS - 1)), 0xC);
             _delay_us(80000);
-            stop_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[i + offset])/12.0+(MATRIX_ROWS - 1)));
+            stop_note(((double)261.626)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[i + offset])/12.0+(MATRIX_ROWS - 1)));
             _delay_us(8000);
         }
         return;
@@ -90,9 +89,9 @@ void action_function(keyrecord_t *record, uint8_t id, uint8_t opt)
         midi_send_cc(&midi_device, 4, 0x7B, 0);
         stop_all_notes();
         for (int i = 0; i <= 7; i++) {
-            play_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[i + offset])/12.0+(MATRIX_ROWS - 1)), 0xC);
+            play_note(((double)261.626)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[i + offset])/12.0+(MATRIX_ROWS - 1)), 0xC);
             _delay_us(80000);
-            stop_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[i + offset])/12.0+(MATRIX_ROWS - 1)));
+            stop_note(((double)261.626)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[i + offset])/12.0+(MATRIX_ROWS - 1)));
             _delay_us(8000);
         }
         return;
@@ -101,10 +100,10 @@ void action_function(keyrecord_t *record, uint8_t id, uint8_t opt)
     if (record->event.pressed) {
     	// midi_send_noteon(&midi_device, record->event.key.row, starting_note + SCALE[record->event.key.col], 127);
         midi_send_noteon(&midi_device, 0, (starting_note + SCALE[record->event.key.col + offset])+12*(MATRIX_ROWS - record->event.key.row), 127);
-        play_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[record->event.key.col + offset])/12.0+(MATRIX_ROWS - record->event.key.row)), 0xF);
+        play_note(((double)261.626)*pow(2.0, 0.0)*pow(2.0,(starting_note + SCALE[record->event.key.col + offset])/12.0+(MATRIX_ROWS - record->event.key.row)), 0xF);
     } else {
         // midi_send_noteoff(&midi_device, record->event.key.row, starting_note + SCALE[record->event.key.col], 127);
         midi_send_noteoff(&midi_device, 0, (starting_note + SCALE[record->event.key.col + offset])+12*(MATRIX_ROWS - record->event.key.row), 127);
-        stop_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[record->event.key.col + offset])/12.0+(MATRIX_ROWS - record->event.key.row)));
+        stop_note(((double)261.626)*pow(2.0, 0.0)*pow(2.0,(starting_note + SCALE[record->event.key.col + offset])/12.0+(MATRIX_ROWS - record->event.key.row)));
     }
 }
\ No newline at end of file
diff --git a/quantum/keymap_midi.h b/quantum/keymap_midi.h
index c5917f884e..a89420ce2a 100644
--- a/quantum/keymap_midi.h
+++ b/quantum/keymap_midi.h
@@ -18,6 +18,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #ifndef KEYMAP_MIDI_H
 #define KEYMAP_MI