12 files changed, 1100 insertions, 183 deletions

diff --git a/keyboard/atomic/atomic.c b/keyboard/atomic/atomic.c
index 3996497161..b4b2614572 100644
--- a/keyboard/atomic/atomic.c
+++ b/keyboard/atomic/atomic.c
@@ -2,27 +2,27 @@
 
 __attribute__ ((weak))
 void matrix_init_user(void) {
-	// leave this function blank - it can be defined in a keymap file
+    // leave this function blank - it can be defined in a keymap file
 };
 
 __attribute__ ((weak))
 void matrix_scan_user(void) {
-	// leave this function blank - it can be defined in a keymap file
+    // leave this function blank - it can be defined in a keymap file
 }
 
 __attribute__ ((weak))
 void process_action_user(keyrecord_t *record) {
-	// leave this function blank - it can be defined in a keymap file
+    // leave this function blank - it can be defined in a keymap file
 }
 
 __attribute__ ((weak))
 void led_set_user(uint8_t usb_led) {
-	// leave this function blank - it can be defined in a keymap file
+    // leave this function blank - it can be defined in a keymap file
 }
 
 void matrix_init_kb(void) {
-	// put your keyboard start-up code here
-	// runs once when the firmware starts up
+    // put your keyboard start-up code here
+    // runs once when the firmware starts up
 
     MCUCR |= (1<<JTD);
     MCUCR |= (1<<JTD);
@@ -35,31 +35,39 @@ void matrix_init_kb(void) {
     DDRE |= (1<<6);
     PORTE |= (1<<6);
 
-	matrix_init_user();
+    matrix_init_user();
 }
 
 void matrix_scan_kb(void) {
-	// put your looping keyboard code here
-	// runs every cycle (a lot)
+    // put your looping keyboard code here
+    // runs every cycle (a lot)
 
-	matrix_scan_user();
+    matrix_scan_user();
 }
 
 void process_action_kb(keyrecord_t *record) {
-	// put your per-action keyboard code here
-	// runs for every action, just before processing by the firmware
+    // put your per-action keyboard code here
+    // runs for every action, just before processing by the firmware
 
-	process_action_user(record);
+    process_action_user(record);
 }
 
 void led_set_kb(uint8_t usb_led) {
-	// put your keyboard LED indicator (ex: Caps Lock LED) toggling code here
+    // put your keyboard LED indicator (ex: Caps Lock LED) toggling code here
 
-	led_set_user(usb_led);
+    led_set_user(usb_led);
 }
 
 #ifdef BACKLIGHT_ENABLE
 #define CHANNEL OCR1C
+#define BREATHING_NO_HALT  0
+#define BREATHING_HALT_OFF 1
+#define BREATHING_HALT_ON  2
+
+static uint8_t breath_intensity;
+static uint8_t breath_speed;
+static uint16_t breathing_index;
+static uint8_t breathing_halt;
 
 void backlight_init_ports()
 {
@@ -67,54 +75,250 @@ void backlight_init_ports()
     // Setup PB7 as output and output low.
     DDRB |= (1<<7);
     PORTB &= ~(1<<7);
-    
-    // Use full 16-bit resolution. 
+
+    // Use full 16-bit resolution.
     ICR1 = 0xFFFF;
 
     // I could write a wall of text here to explain... but TL;DW
     // Go read the ATmega32u4 datasheet.
     // And this: http://blog.saikoled.com/post/43165849837/secret-konami-cheat-code-to-high-resolution-pwm-on
-    
+
     // Pin PB7 = OCR1C (Timer 1, Channel C)
     // Compare Output Mode = Clear on compare match, Channel C = COM1C1=1 COM1C0=0
     // (i.e. start high, go low when counter matches.)
     // WGM Mode 14 (Fast PWM) = WGM13=1 WGM12=1 WGM11=1 WGM10=0
     // Clock Select = clk/1 (no prescaling) = CS12=0 CS11=0 CS10=1
-    
+
     TCCR1A = _BV(COM1C1) | _BV(WGM11); // = 0b00001010;
     TCCR1B = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
 
     backlight_init();
+    breathing_defaults();
 }
 
 void backlight_set(uint8_t level)
 {
+    // Prevent backlight blink on lowest level
+    PORTB &= ~(_BV(PORTB7));
+
     if ( level == 0 )
     {
         // Turn off PWM control on PB7, revert to output low.
         TCCR1A &= ~(_BV(COM1C1));
+
+        // Set the brightness to 0
         CHANNEL = 0x0;
-        // Prevent backlight blink on lowest level
-        PORTB &= ~(_BV(PORTB7));
     }
-    else if ( level == BACKLIGHT_LEVELS )
+    else if ( level >= BACKLIGHT_LEVELS )
     {
-        // Prevent backlight blink on lowest level
-        PORTB &= ~(_BV(PORTB7));
         // Turn on PWM control of PB7
         TCCR1A |= _BV(COM1C1);
-        // Set the brightness
+
+        // Set the brightness to max
         CHANNEL = 0xFFFF;
     }
-    else        
+    else
     {
-        // Prevent backlight blink on lowest level
-        PORTB &= ~(_BV(PORTB7));
         // Turn on PWM control of PB7
         TCCR1A |= _BV(COM1C1);
+
         // Set the brightness
         CHANNEL = 0xFFFF >> ((BACKLIGHT_LEVELS - level) * ((BACKLIGHT_LEVELS + 1) / 2));
     }
+    breathing_intensity_default();
+}
+
+
+void breathing_enable(void)
+{
+    if (get_backlight_level() == 0)
+    {
+        breathing_index = 0;
+    }
+    else
+    {
+        // Set breathing_index to be at the midpoint (brightest point)
+        breathing_index = 0x20 << breath_speed;
+    }
+
+    breathing_halt = BREATHING_NO_HALT;
+
+    // Enable breathing interrupt
+    TIMSK1 |= _BV(OCIE1A);
+}
+
+void breathing_pulse(void)
+{
+    if (get_backlight_level() == 0)
+    {
+        breathing_index = 0;
+    }
+    else
+    {
+        // Set breathing_index to be at the midpoint + 1 (brightest point)
+        breathing_index = 0x21 << breath_speed;
+    }
+
+    breathing_halt = BREATHING_HALT_ON;
+
+    // Enable breathing interrupt
+    TIMSK1 |= _BV(OCIE1A);
+}
+
+void breathing_disable(void)
+{
+    // Disable breathing interrupt
+    TIMSK1 &= ~_BV(OCIE1A);
+    backlight_set(get_backlight_level());
+}
+
+void breathing_self_disable(void)
+{
+    if (get_backlight_level() == 0)
+    {
+        breathing_halt = BREATHING_HALT_OFF;
+    }
+    else
+    {
+        breathing_halt = BREATHING_HALT_ON;
+    }
+
+    //backlight_set(get_backlight_level());
+}
+
+void breathing_toggle(void)
+{
+    if (!is_breathing())
+    {
+        if (get_backlight_level() == 0)
+        {
+            breathing_index = 0;
+        }
+        else
+        {
+            // Set breathing_index to be at the midpoint + 1 (brightest point)
+            breathing_index = 0x21 << breath_speed;
+        }
+
+        breathing_halt = BREATHING_NO_HALT;
+    }
+
+    // Toggle breathing interrupt
+    TIMSK1 ^= _BV(OCIE1A);
+
+    // Restore backlight level
+    if (!is_breathing())
+    {
+        backlight_set(get_backlight_level());
+    }
+}
+
+bool is_breathing(void)
+{
+    return (TIMSK1 && _BV(OCIE1A));
+}
+
+void breathing_intensity_default(void)
+{
+    //breath_intensity = (uint8_t)((uint16_t)100 * (uint16_t)get_backlight_level() / (uint16_t)BACKLIGHT_LEVELS);
+    breath_intensity = ((BACKLIGHT_LEVELS - get_backlight_level()) * ((BACKLIGHT_LEVELS + 1) / 2));
+}
+
+void breathing_intensity_set(uint8_t value)
+{
+    breath_intensity = value;
+}
+
+void breathing_speed_default(void)
+{
+    breath_speed = 4;
+}
+
+void breathing_speed_set(uint8_t value)
+{
+    bool is_breathing_now = is_breathing();
+    uint8_t old_breath_speed = breath_speed;
+
+    if (is_breathing_now)
+    {
+        // Disable breathing interrupt
+        TIMSK1 &= ~_BV(OCIE1A);
+    }
+
+    breath_speed = value;
+
+    if (is_breathing_now)
+    {
+        // Adjust index to account for new speed
+        breathing_index = (( (uint8_t)( (breathing_index) >> old_breath_speed ) ) & 0x3F) << breath_speed;
+
+        // Enable breathing interrupt
+        TIMSK1 |= _BV(OCIE1A);
+    }
+
+}
+
+void breathing_speed_inc(uint8_t value)
+{
+    if ((uint16_t)(breath_speed - value) > 10 )
+    {
+        breathing_speed_set(0);
+    }
+    else
+    {
+        breathing_speed_set(breath_speed - value);
+    }
+}
+
+void breathing_speed_dec(uint8_t value)
+{
+    if ((uint16_t)(breath_speed + value) > 10 )
+    {
+        breathing_speed_set(10);
+    }
+    else
+    {
+        breathing_speed_set(breath_speed + value);
+    }
+}
+
+void breathing_defaults(void)
+{
+    breathing_intensity_default();
+    breathing_speed_default();
+    breathing_halt = BREATHING_NO_HALT;
+}
+
+/* Breathing Sleep LED brighness(PWM On period) table
+ * (64[steps] * 4[duration]) / 64[PWM periods/s] = 4 second breath cycle
+ *
+ * http://www.wolframalpha.com/input/?i=%28sin%28+x%2F64*pi%29**8+*+255%2C+x%3D0+to+63
+ * (0..63).each {|x| p ((sin(x/64.0*PI)**8)*255).to_i }
+ */
+static const uint8_t breathing_table[64] PROGMEM = {
+  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   2,   4,   6,  10,
+ 15,  23,  32,  44,  58,  74,  93, 113, 135, 157, 179, 199, 218, 233, 245, 252,
+255, 252, 245, 233, 218, 199, 179, 157, 135, 113,  93,  74,  58,  44,  32,  23,
+ 15,  10,   6,   4,   2,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+};
+
+ISR(TIMER1_COMPA_vect)
+{
+    // CHANNEL = (pgm_read_byte(&breathing_table[ ( (uint8_t)( (breathing_index++) >> breath_speed ) ) & 0x3F ] )) * breath_intensity;
+
+
+    uint8_t local_index = ( (uint8_t)( (breathing_index++) >> breath_speed ) ) & 0x3F;
+
+    if (((breathing_halt == BREATHING_HALT_ON) && (local_index == 0x20)) || ((breathing_halt == BREATHING_HALT_OFF) && (local_index == 0x3F)))
+    {
+        // Disable breathing interrupt
+        TIMSK1 &= ~_BV(OCIE1A);
+    }
+
+    CHANNEL = (uint16_t)(((uint16_t)pgm_read_byte(&breathing_table[local_index]) * 257)) >> breath_intensity;
+
 }
 
+
+
 #endif
\ No newline at end of file
diff --git a/keyboard/atomic/atomic.h b/keyboard/atomic/atomic.h
index 0c7aeb1cc8..845a9043e2 100644
--- a/keyboard/atomic/atomic.h
+++ b/keyboard/atomic/atomic.h
@@ -33,4 +33,20 @@ void process_action_user(keyrecord_t *record);
 void led_set_user(uint8_t usb_led);
 void backlight_init_ports(void);
 
+void breathing_enable(void);
+void breathing_pulse(void);
+void breathing_disable(void);
+void breathing_self_disable(void);
+void breathing_toggle(void);
+bool is_breathing(void);
+
+
+void breathing_defaults(void);
+void breathing_intensity_default(void);
+void breathing_speed_default(void);
+void breathing_speed_set(uint8_t value);
+void breathing_speed_inc(uint8_t value);
+void breathing_speed_dec(uint8_t value);
+
+
 #endif
\ No newline at end of file
diff --git a/keyboard/atomic/keymaps/pvc/config.h b/keyboard/atomic/keymaps/pvc/config.h
index 034bc5dc5c..5e956286b5 100644
--- a/keyboard/atomic/keymaps/pvc/config.h
+++ b/keyboard/atomic/keymaps/pvc/config.h
@@ -22,7 +22,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 /* USB Device descriptor parameter */
 #define VENDOR_ID       0xFEED
-#define PRODUCT_ID      0x6060
+#define PRODUCT_ID      0x0419
 #define DEVICE_VER      0x0001
 #define MANUFACTURER    Ortholinear Keyboards
 #define PRODUCT         The Atomic Keyboard
@@ -162,5 +162,4 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //#define VIBRATO_ENABLE
 //#define VIBRATO_STRENGTH_ENABLE
 
-
 #endif
diff --git a/keyboard/atomic/keymaps/pvc/keymap.c b/keyboard/atomic/keymaps/pvc/keymap.c
index 3d604a868e..ff7384268e 100644
--- a/keyboard/atomic/keymaps/pvc/keymap.c
+++ b/keyboard/atomic/keymaps/pvc/keymap.c
@@ -8,41 +8,44 @@
     #include "song_list.h"
 #endif
 
-#define LAYER_QWERTY         0
-#define LAYER_COLEMAK        1
-#define LAYER_DVORAK         2
-#define LAYER_RAISE          3
-#define LAYER_LOWER          4
-#define LAYER_FUNCTION       5
-#define LAYER_MOUSE          6
-#define LAYER_MUSIC          7
-#define LAYER_ADJUST         8
-
-#define MACRO_QWERTY         0
-#define MACRO_COLEMAK        1
-#define MACRO_DVORAK         2
-#define MACRO_RAISE          3
-#define MACRO_LOWER          4
-#define MACRO_FUNCTION       5
-#define MACRO_MOUSE          6
-#define MACRO_TIMBRE_1       7
-#define MACRO_TIMBRE_2       8
-#define MACRO_TIMBRE_3       9
-#define MACRO_TIMBRE_4      10
-#define MACRO_TEMPO_U       11
-#define MACRO_TEMPO_D       12
-#define MACRO_TONE_DEFAULT  13
-#define MACRO_MUSIC_ON      14
-#define MACRO_MUSIC_OFF     15
-#define MACRO_AUDIO_ON      16
-#define MACRO_AUDIO_OFF     17
-#define MACRO_INC_VOICE     18
-#define MACRO_DEC_VOICE     19
+#define LAYER_QWERTY                     0
+#define LAYER_COLEMAK                    1
+#define LAYER_DVORAK                     2
+#define LAYER_UPPER                      3
+#define LAYER_LOWER                      4
+#define LAYER_FUNCTION                   5
+#define LAYER_MOUSE                      6
+#define LAYER_MUSIC                      7
+#define LAYER_ADJUST                     8
+
+#define MACRO_QWERTY                     0
+#define MACRO_COLEMAK                    1
+#define MACRO_DVORAK                     2
+#define MACRO_UPPER                      3
+#define MACRO_LOWER                      4
+#define MACRO_FUNCTION                   5
+#define MACRO_MOUSE                      6
+#define MACRO_TIMBRE_1                   7
+#define MACRO_TIMBRE_2                   8
+#define MACRO_TIMBRE_3                   9
+#define MACRO_TIMBRE_4                  10
+#define MACRO_TEMPO_U                   11
+#define MACRO_TEMPO_D                   12
+#define MACRO_TONE_DEFAULT              13
+#define MACRO_MUSIC_TOGGLE              14
+#define MACRO_AUDIO_TOGGLE              16
+#define MACRO_INC_VOICE                 18
+#define MACRO_DEC_VOICE                 19
+#define MACRO_BACKLIGHT                 20
+#define MACRO_BREATH_TOGGLE             21
+#define MACRO_BREATH_SPEED_INC          23
+#define MACRO_BREATH_SPEED_DEC          24
+#define MACRO_BREATH_DEFAULT            25
 
 #define M_QWRTY             M(MACRO_QWERTY)
 #define M_COLMK             M(MACRO_COLEMAK)
 #define M_DVORK             M(MACRO_DVORAK)
-#define M_RAISE             M(MACRO_RAISE)
+#define M_UPPER             M(MACRO_UPPER)
 #define M_LOWER             M(MACRO_LOWER)
 #define M_FUNCT             M(MACRO_FUNCTION)
 #define M_MOUSE             M(MACRO_MOUSE)
@@ -53,12 +56,15 @@
 #define TMPO_UP             M(MACRO_TEMPO_U)
 #define TMPO_DN             M(MACRO_TEMPO_D)
 #define TMPO_DF             M(MACRO_TONE_DEFAULT)
+#define M_BACKL             M(MACRO_BACKLIGHT)
+#define M_BRTOG             M(MACRO_BREATH_TOGGLE)
+#define M_BSPDU             M(MACRO_BREATH_SPEED_INC)
+#define M_BSPDD             M(MACRO_BREATH_SPEED_DEC)
+#define M_BDFLT             M(MACRO_BREATH_DEFAULT)
 
 
-#define MUS_ON              M(MACRO_MUSIC_ON)
-#define MUS_OFF             M(MACRO_MUSIC_OFF)
-#define AUD_OFF             M(MACRO_AUDIO_OFF)
-#define AUD_ON              M(MACRO_AUDIO_ON)
+#define MUS_TOG             M(MACRO_MUSIC_TOGGLE)
+#define AUD_TOG             M(MACRO_AUDIO_TOGGLE)
 #define VC_UP               M(MACRO_INC_VOICE)
 #define VC_DOWN             M(MACRO_DEC_VOICE)
 
@@ -74,6 +80,7 @@
 #define SC_ACLS             LALT(KC_F4)
 #define SC_CCLS             LCTL(KC_F4)
 
+#define OS_SHFT             KC_FN0
 
 #define _______             KC_TRNS
 #define XXXXXXX             KC_NO
@@ -92,16 +99,16 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
  * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+- 2u ---------------------+--------|
  * | LSHIFT | Z      | X      | C      | V      | B      | N      | M      | ,      | .      | /      | XXXXXX . RSHIFT | UP     | PG DN  |
  * |--------+--------+--------+--------+--------+- 2u ------------+--------+--------+--------+--------+-----------------+--------+--------|
- * | LCTRL  | LWIN   | FN     | LALT   | RAISE  | XXXXXX . SPACE  | LOWER  | RALT   | RWIN   | MENU   | RCTRL  | LEFT   | DOWN   | RIGHT  |
+ * | LCTRL  | LWIN   | FN     | LALT   | UPPER  | XXXXXX . SPACE  | LOWER  | SHIFT  | RALT   | APP    | RCTRL  | LEFT   | DOWN   | RIGHT  |
  * '--------------------------------------------------------------------------------------------------------------------------------------'
  */
 
- [LAYER_QWERTY]       = { /* QWERTY */
+ [LAYER_QWERTY]       = { // QWERTY
   { KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_MINS, KC_EQL,  KC_BSPC, KC_BSPC  },
   { KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_LBRC, KC_RBRC, KC_BSLS, KC_DEL   },
   { KC_CAPS, KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT, KC_ENT,  KC_ENT,  KC_PGUP  },
   { KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT, KC_RSFT, KC_UP,   KC_PGDN  },
-  { KC_LCTL, KC_LGUI, M_FUNCT, KC_LALT, M_RAISE, KC_SPC,  KC_SPC,  M_LOWER, KC_RALT, KC_RGUI, KC_MENU, KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT  },
+  { KC_LCTL, KC_LGUI, M_FUNCT, KC_LALT, M_UPPER, KC_SPC,  KC_SPC,  M_LOWER, OS_SHFT, KC_RALT, KC_APP,  KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT  },
  },
 
  /* COLEMAK
@@ -114,17 +121,17 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
  * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+- 2u ---------------------+--------|
  * | LSHIFT | Z      | X      | C      | V      | B      | K      | M      | ,      | .      | /      | XXXXXX . RSHIFT | UP     | PG DN  |
  * |--------+--------+--------+--------+--------+- 2u ------------+--------+--------+--------+--------+-----------------+--------+--------|
- * | LCTRL  | LWIN   | FN     | LALT   | RAISE  | XXXXXX . SPACE  | LOWER  | RALT   | RWIN   | MENU   | RCTRL  | LEFT   | DOWN   | RIGHT  |
+ * | LCTRL  | LWIN   | FN     | LALT   | UPPER  | XXXXXX . SPACE  | LOWER  | SHIFT  | RALT   | APP    | RCTRL  | LEFT   | DOWN   | RIGHT  |
  * '--------------------------------------------------------------------------------------------------------------------------------------'
  */
 
- [LAYER_COLEMAK]      = { /* COLEMAK */
+ [LAYER_COLEMAK]      = { // COLEMAK
   { KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_MINS, KC_EQL,  KC_BSPC, KC_BSPC  },
   { KC_TAB,  KC_Q,    KC_W,    KC_F,    KC_P,    KC_G,    KC_J,    KC_L,    KC_U,    KC_Y,    KC_SCLN, KC_LBRC, KC_RBRC, KC_BSLS, KC_DEL   },
   { KC_BSPC, KC_A,    KC_R,    KC_S,    KC_T,    KC_D,    KC_H,    KC_N,    KC_E,    KC_I,    KC_O,    KC_QUOT, KC_ENT,  KC_ENT,  KC_PGUP  },
   { KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_K,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT, KC_RSFT, KC_UP,   KC_PGDN  },
-  { KC_LCTL, KC_LGUI, M_FUNCT, KC_LALT, M_RAISE, KC_SPC,  KC_SPC,  M_LOWER, KC_RALT, KC_RGUI, KC_MENU, KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT  },
- },
+  { KC_LCTL, KC_LGUI, M_FUNCT, KC_LALT, M_UPPER, KC_SPC,  KC_SPC,  M_LOWER, OS_SHFT, KC_RALT, KC_APP,  KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT  },
+},
 
 /* DVORAK
  * .---------------------------------------------------------------------------------------------------------------------- 2u ------------.
@@ -136,35 +143,63 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
  * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+- 2u ---------------------+--------|
  * | LSHIFT | ;      | Q      | J      | K      | X      | B      | M      | W      | V      | Z      | XXXXXX . RSHIFT | UP     | PG DN  |
  * |--------+--------+--------+--------+--------+- 2u ------------+--------+--------+--------+--------+-----------------+--------+--------|
- * | LCTRL  | LWIN   | FN     | LALT   | RAISE  | XXXXXX . SPACE  | LOWER  | RALT   | RWIN   | MENU   | RCTRL  | LEFT   | DOWN   | RIGHT  |
+ * | LCTRL  | LWIN   | FN     | LALT   | UPPER  | XXXXXX . SPACE  | LOWER  | SHIFT  | RALT   | APP    | RCTRL  | LEFT   | DOWN   | RIGHT  |
  * '--------------------------------------------------------------------------------------------------------------------------------------'
  */
 
- [LAYER_DVORAK]       = { /* DVORAK */
+ [LAYER_DVORAK]       = { // DVORAK
   { KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_LBRC, KC_RBRC, KC_BSPC, KC_BSPC  },
   { KC_TAB,  KC_QUOT, KC_COMM, KC_DOT,  KC_P,    KC_Y,    KC_F,    KC_G,    KC_C,    KC_R,    KC_L,    KC_SLSH, KC_EQL,  KC_BSLS, KC_DEL   },
   { KC_CAPS, KC_A,    KC_O,    KC_E,    KC_U,    KC_I,    KC_D,    KC_H,    KC_T,    KC_N,    KC_S,    KC_MINS, KC_ENT,  KC_ENT,  KC_PGUP  },
   { KC_LSFT, KC_SCLN, KC_Q,    KC_J,    KC_K,    KC_X,    KC_B,    KC_M,    KC_W,    KC_V,    KC_Z,    KC_RSFT, KC_RSFT, KC_UP,   KC_PGDN  },
-  { KC_LCTL, KC_LGUI, M_FUNCT, KC_LALT, M_RAISE, KC_SPC,  KC_SPC,  M_LOWER, KC_RALT, KC_RGUI, KC_MENU, KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT  },
+  { KC_LCTL, KC_LGUI, M_FUNCT, KC_LALT, M_UPPER, KC_SPC,  KC_SPC,  M_LOWER, OS_SHFT, KC_RALT, KC_APP,  KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT  },
  },
 
- [LAYER_RAISE]        = { /* RAISED */
-  { KC_TILD, KC_PSCR, KC_PAUS, KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  ________________  },
-  { _______, KC_F1,   KC_F2,   KC_F3,   KC_F4,   _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_INS   },
-  { _______, KC_F5,   KC_F6,   KC_F7,   KC_F8,   _______, _______, _______, _______, _______, _______, _______, ________________, KC_HOME  },
-  { _______, KC_F9,   KC_F10,  KC_F11,  KC_F12,  _______, _______, _______, _______, _______, _______, ________________, _______, KC_END   },
-  { _______, _______, _______, _______, _______, ________________, _______, _______, _______, _______, _______, _______, _______, _______  },
+/* UPPER
+ * .---------------------------------------------------------------------------------------------------------------------- 2u ------------.
+ * | PRINT  | XXXXXX | XXXXXX | XXXXXX | XXXXXX | XXXXXX | XXXXXX | NUM LK | /      | *      | -      | NUM LK | SCR LK | XXXXXX . PAUSE  |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+-----------------|
+ * |        | F1     | F2     | F3     | F4     |        |        | 7      | 8      | 9      | +      | ~      |        |        | INS    |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+- 2u ------------+--------|
+ * | CAP LK | F5     | F6     | F7     | F8     |        |        | 4      | 5      | 6      | +      | `      | XXXXXX .        | HOME   |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+- 2u ---------------------+--------|
+ * |        | F9     | F10    | F11    | F12    |        |        | 1      | 2      | 3      | ENTER  | XXXXXX .        |        | END    |
+ * |--------+--------+--------+--------+--------+- 2u ------------+--------+--------+--------+--------+-----------------+--------+--------|
+ * |        |        |        |        |        | 0               |        | RALT   | .      | ENTER  |        |        |        |        |
+ * '--------------------------------------------------------------------------------------------------------------------------------------'
+ */
+
+ [LAYER_UPPER]        = { // UPPER
+  { KC_PSCR, M_BRTOG, M_BSPDU, M_BSPDD, M_BDFLT, XXXXXXX, XXXXXXX, KC_NLCK, KC_PSLS, KC_PAST, XXXXXXX, XXXXXXX, KC_SLCK, KC_PAUS, KC_PAUS  },
+  { _______, KC_F1,   KC_F2,   KC_F3,   KC_F4,   XXXXXXX, XXXXXXX, KC_KP_7, KC_KP_8, KC_KP_9, KC_PMNS, _______, _______, _______, KC_INS   },
+  { KC_CAPS, KC_F5,   KC_F6,   KC_F7,   KC_F8,   XXXXXXX, XXXXXXX, KC_KP_4, KC_KP_5, KC_KP_6, KC_PPLS, _______, ________________, KC_HOME  },
+  { _______, KC_F9,   KC_F10,  KC_F11,  KC_F12,  XXXXXXX, XXXXXXX, KC_KP_1, KC_KP_2, KC_KP_3, KC_PENT, ________________, _______, KC_END   },
+  { _______, _______, _______, _______, _______, KC_KP_0, KC_KP_0, _______, KC_RALT, KC_PDOT, KC_PENT, _______, _______, _______, _______  },
  },
 
- [LAYER_LOWER]        = { /* LOWERED */
-  { KC_GRV,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  ________________  },
-  { _______, KC_F13,  KC_F14,  KC_F15,  KC_F16,  _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_INS   },
-  { _______, KC_F17,  KC_F18,  KC_F19,  KC_F20,  _______, _______, _______, _______, _______, _______, _______, ________________, KC_HOME  },
-  { _______, KC_F21,  KC_F22,  KC_F23,  KC_F24,  _______, _______, _______, _______, _______, _______, ________________, _______, KC_END   },
-  { _______, _______, _______, _______, _______, KC_BSPC, KC_BSPC, _______, _______, _______, _______, _______, _______, _______, _______  },
+/* LOWER
+ * .---------------------------------------------------------------------------------------------------------------------- 2u ------------.
+ * |        | F1     | F2     | F3     | F4     | F5     | F6     | F7     | F8     | F9     | F10    | F11    | F12    | XXXXXX . BACKSP |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+-----------------|
+ * |        | $      | {      | [      | (      | %      | #      | )      | ]      | }      | @      |        |        |        | INS    |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+- 2u ------------+--------|
+ * |        | ^      | *      | +      | -      | ;      | :      | _      | '      | "      | `      |        | XXXXXX .        | HOME   |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+- 2u ---------------------+--------|
+ * |        | |      | &      | !      | ~      | /      | \      | =      | <      | >      | ?      | XXXXXX .        |        | END    |
+ * |--------+--------+--------+--------+--------+- 2u ------------+--------+--------+--------+--------+-----------------+--------+--------|
+ * |        |        |        |        |        |                 |        |        |        |        |        |        |        |        |
+ * '--------------------------------------------------------------------------------------------------------------------------------------'
+ */
+
+ [LAYER_LOWER]        = { // LOWER
+  { _______, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  ________________  },
+  { _______, KC_DLR,  KC_LCBR, KC_LBRC, KC_LPRN, KC_PERC, KC_HASH, KC_RPRN, KC_RBRC, KC_RCBR, KC_AT,   _______, _______, _______, KC_INS   },
+  { _______, KC_CIRC, KC_ASTR, KC_PPLS, KC_PMNS, KC_SCLN, KC_COLN, KC_UNDS, KC_QUOT, KC_DQT,  KC_GRV,  _______, ________________, KC_HOME  },
+  { _______, KC_PIPE, KC_AMPR, KC_EXLM, KC_TILD, KC_SLSH, KC_BSLS, KC_EQL,  KC_LT,   KC_GT,   KC_QUES, ________________, _______, KC_END   },
+  { _______, _______, _______, _______, _______, ________________, _______, _______, _______, _______, _______, _______, _______, _______  },
  },
 
- [LAYER_FUNCTION]     = { /* FUNCTION */
+ [LAYER_FUNCTION]     = { // FUNCTION
   { KC_NLCK, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  ________________  },
   { KC_SLCK, KC_F13,  KC_F14,  KC_F15,  KC_F16,  KC_F17,  KC_F18,  KC_F19,  KC_F20,  KC_F21,  KC_F22,  KC_F23,  KC_F24,  _______, KC_PAUS  },
   { KC_CAPS, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, ________________, KC_PSCR  },
@@ -174,7 +209,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 
 #ifdef MOUSEKEY_ENABLE
 
- [LAYER_MOUSE]        = { /* MOUSE */
+ [LAYER_MOUSE]        = { // MOUSE
   { _______, KC_ACL0, KC_ACL1, KC_ACL2, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXXXXXXXXXXX  },
   { XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX  },
   { XXXXXXX, KC_BTN5, KC_BTN4, KC_BTN3, KC_BTN2, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXXXXXXXXXXX, KC_WH_U  },
@@ -184,25 +219,25 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 
 #endif
 
- [LAYER_MUSIC]        = { /* MUSIC */
+ [LAYER_MUSIC]        = { // MUSIC
   { XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX  },
   { XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX  },
   { XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX  },
   { XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX  },
-  { XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, M_RAISE, XXXXXXX, XXXXXXX, M_LOWER, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX  },
+  { XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, M_UPPER, XXXXXXX, XXXXXXX, M_LOWER, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX  },
  },
 
- [LAYER_ADJUST]       = { /* ADJUST */
-  { _______, TIMBR_1, TIMBR_2, TIMBR_3, TIMBR_4, TMPO_UP, TMPO_DN, TMPO_DF, _______, MUS_ON,  MUS_OFF, AUD_ON,  AUD_OFF, ________________  },
+ [LAYER_ADJUST]       = { // ADJUST
+  { _______, TIMBR_1, TIMBR_2, TIMBR_3, TIMBR_4, TMPO_UP, TMPO_DN, TMPO_DF, _______, _______, _______, MUS_TOG, AUD_TOG, ________________  },
   { _______, M_QWRTY, M_COLMK, M_DVORK, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______  },
   { _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, ________________, _______  },
-  { _______, _______, _______, _______, _______, RESET,   _______, M_MOUSE, _______, _______, _______, ________________, VC_UP,   _______  },
+  { _______, _______, _______, _______, M_BACKL, RESET,   _______, M_MOUSE, _______, _______, _______, ________________, VC_UP,   _______  },
   { _______, _______, _______, _______, _______, ________________, _______, _______, _______, _______, _______, _______, VC_DOWN, _______  },
  },
 
 
 /*
- [LAYER_EMPTY]        = {
+ [LAYER_EMPTY]        = { // LAYER
   { _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, ________________  },
   { _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______  },
   { _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, ________________, _______  },
@@ -241,6 +276,7 @@ void persistant_default_layer_set(uint16_t default_layer)
 }
 
 const uint16_t PROGMEM fn_actions[] = {
+    [0] = ACTION_MODS_ONESHOT(MOD_LSFT),
 };
 
 const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
@@ -250,13 +286,41 @@ const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
     switch(id)
     {
 
+        case MACRO_BREATH_TOGGLE:
+            if (record->event.pressed)
+            {
+                breathing_toggle();
+            }
+            break;
+
+        case MACRO_BREATH_SPEED_INC:
+            if (record->event.pressed)
+            {
+                breathing_speed_inc(1);
+            }
+            break;
+
+        case MACRO_BREATH_SPEED_DEC:
+            if (record->event.pressed)
+            {
+                breathing_speed_dec(1);
+            }
+            break;
+
+        case MACRO_BREATH_DEFAULT:
+            if (record->event.pressed)
+            {
+                breathing_defaults();
+            }
+            break;
+
         case MACRO_QWERTY:
             if (record->event.pressed)
             {
                 persistant_default_layer_set(1UL<<LAYER_QWERTY);
-				#ifdef AUDIO_ENABLE
-                	PLAY_NOTE_ARRAY(tone_qwerty, false, STACCATO);
-				#endif /* AUDIO_ENABLE */
+                #ifdef AUDIO_ENABLE
+                    PLAY_NOTE_ARRAY(tone_qwerty, false, STACCATO);
+                #endif /* AUDIO_ENABLE */
             }
             break;
 
@@ -264,9 +328,9 @@ const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
             if (record->event.pressed)
             {
                 persistant_default_layer_set(1UL<<LAYER_COLEMAK);
-				#ifdef AUDIO_ENABLE
-                	PLAY_NOTE_ARRAY(tone_colemak, false, STACCATO);
-				#endif /* AUDIO_ENABLE */
+                #ifdef AUDIO_ENABLE
+                    PLAY_NOTE_ARRAY(tone_colemak, false, STACCATO);
+                #endif /* AUDIO_ENABLE */
             }
             break;
 
@@ -274,22 +338,24 @@ const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
             if (record->event.pressed)
             {
                 persistant_default_layer_set(1UL<<LAYER_DVORAK);
-				#ifdef AUDIO_ENABLE
-    	            PLAY_NOTE_ARRAY(tone_dvorak, false, STACCATO);
-				#endif /* AUDIO_ENABLE */
+                #ifdef AUDIO_ENABLE
+                    PLAY_NOTE_ARRAY(tone_dvorak, false, STACCATO);
+                #endif /* AUDIO_ENABLE */
             }
             break;
 
-        case MACRO_RAISE:
+        case MACRO_UPPER:
             if (record->event.pressed)
             {
-                layer_on(LAYER_RAISE);
-                update_tri_layer(LAYER_LOWER, LAYER_RAISE, LAYER_ADJUST);
+                layer_on(LAYER_UPPER);
+                breathing_speed_set(2);
+                breathing_pulse();
+                update_tri_layer(LAYER_LOWER, LAYER_UPPER, LAYER_ADJUST);
             }
             else
             {
-                layer_off(LAYER_RAISE);
-                update_tri_layer(LAYER_LOWER, LAYER_RAISE, LAYER_ADJUST);
+                layer_off(LAYER_UPPER);
+                update_tri_layer(LAYER_LOWER, LAYER_UPPER, LAYER_ADJUST);
             }
             break;
 
@@ -297,22 +363,28 @@ const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
             if (record->event.pressed)
             {
                 layer_on(LAYER_LOWER);
-                update_tri_layer(LAYER_LOWER, LAYER_RAISE, LAYER_ADJUST);
+                breathing_speed_set(2);
+                breathing_pulse();
+                update_tri_layer(LAYER_LOWER, LAYER_UPPER, LAYER_ADJUST);
             }
             else
             {
                 layer_off(LAYER_LOWER);
-                update_tri_layer(LAYER_LOWER, LAYER_RAISE, LAYER_ADJUST);
+                update_tri_layer(LAYER_LOWER, LAYER_UPPER, LAYER_ADJUST);
             }
             break;
 
         case MACRO_FUNCTION:
             if (record->event.pressed)
             {
+                breathing_speed_set(3);
+                breathing_enable();
                 layer_on(LAYER_FUNCTION);
             }
             else
             {
+                breathing_speed_set(1);
+                breathing_self_disable();
                 layer_off(LAYER_FUNCTION);
             }
             break;
@@ -362,42 +434,34 @@ const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
             }
             break;
 
-        case MACRO_AUDIO_OFF:
-            if (record->event.pressed)
-            {
-                #ifdef AUDIO_ENABLE
-                    audio_off();
-                #endif
-            }
-            break;
-
-        case MACRO_AUDIO_ON:
+        case MACRO_AUDIO_TOGGLE:
             if (record->event.pressed)
             {
-                #ifdef AUDIO_ENABLE
-                    audio_on();
-                PLAY_NOTE_ARRAY(tone_audio_on, false, STACCATO);
-                #endif
+                    if (is_audio_on())
+                    {
+                        audio_of