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-rw-r--r--quantum/quantum.c850
1 files changed, 850 insertions, 0 deletions
diff --git a/quantum/quantum.c b/quantum/quantum.c
new file mode 100644
index 0000000000..a16bd5443c
--- /dev/null
+++ b/quantum/quantum.c
@@ -0,0 +1,850 @@
+#include "quantum.h"
+
+static void do_code16 (uint16_t code, void (*f) (uint8_t)) {
+ switch (code) {
+ case QK_MODS ... QK_MODS_MAX:
+ break;
+ default:
+ return;
+ }
+
+ if (code & QK_LCTL)
+ f(KC_LCTL);
+ if (code & QK_LSFT)
+ f(KC_LSFT);
+ if (code & QK_LALT)
+ f(KC_LALT);
+ if (code & QK_LGUI)
+ f(KC_LGUI);
+
+ if (code & QK_RCTL)
+ f(KC_RCTL);
+ if (code & QK_RSFT)
+ f(KC_RSFT);
+ if (code & QK_RALT)
+ f(KC_RALT);
+ if (code & QK_RGUI)
+ f(KC_RGUI);
+}
+
+void register_code16 (uint16_t code) {
+ do_code16 (code, register_code);
+ register_code (code);
+}
+
+void unregister_code16 (uint16_t code) {
+ unregister_code (code);
+ do_code16 (code, unregister_code);
+}
+
+__attribute__ ((weak))
+bool process_action_kb(keyrecord_t *record) {
+ return true;
+}
+
+__attribute__ ((weak))
+bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
+ return process_record_user(keycode, record);
+}
+
+__attribute__ ((weak))
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+ return true;
+}
+
+void reset_keyboard(void) {
+ clear_keyboard();
+#ifdef AUDIO_ENABLE
+ stop_all_notes();
+ shutdown_user();
+#endif
+ wait_ms(250);
+#ifdef CATERINA_BOOTLOADER
+ *(uint16_t *)0x0800 = 0x7777; // these two are a-star-specific
+#endif
+ bootloader_jump();
+}
+
+// Shift / paren setup
+
+#ifndef LSPO_KEY
+ #define LSPO_KEY KC_9
+#endif
+#ifndef RSPC_KEY
+ #define RSPC_KEY KC_0
+#endif
+
+static bool shift_interrupted[2] = {0, 0};
+
+bool process_record_quantum(keyrecord_t *record) {
+
+ /* This gets the keycode from the key pressed */
+ keypos_t key = record->event.key;
+ uint16_t keycode;
+
+ #if !defined(NO_ACTION_LAYER) && defined(PREVENT_STUCK_MODIFIERS)
+ /* TODO: Use store_or_get_action() or a similar function. */
+ if (!disable_action_cache) {
+ uint8_t layer;
+
+ if (record->event.pressed) {
+ layer = layer_switch_get_layer(key);
+ update_source_layers_cache(key, layer);
+ } else {
+ layer = read_source_layers_cache(key);
+ }
+ keycode = keymap_key_to_keycode(layer, key);
+ } else
+ #endif
+ keycode = keymap_key_to_keycode(layer_switch_get_layer(key), key);
+
+ // This is how you use actions here
+ // if (keycode == KC_LEAD) {
+ // action_t action;
+ // action.code = ACTION_DEFAULT_LAYER_SET(0);
+ // process_action(record, action);
+ // return false;
+ // }
+
+ if (!(
+ process_record_kb(keycode, record) &&
+ #ifdef MIDI_ENABLE
+ process_midi(keycode, record) &&
+ #endif
+ #ifdef AUDIO_ENABLE
+ process_music(keycode, record) &&
+ #endif
+ #ifdef TAP_DANCE_ENABLE
+ process_tap_dance(keycode, record) &&
+ #endif
+ #ifndef DISABLE_LEADER
+ process_leader(keycode, record) &&
+ #endif
+ #ifndef DISABLE_CHORDING
+ process_chording(keycode, record) &&
+ #endif
+ #ifdef UNICODE_ENABLE
+ process_unicode(keycode, record) &&
+ #endif
+ #ifdef UCIS_ENABLE
+ process_ucis(keycode, record) &&
+ #endif
+ true)) {
+ return false;
+ }
+
+ // Shift / paren setup
+
+ switch(keycode) {
+ case RESET:
+ if (record->event.pressed) {
+ reset_keyboard();
+ }
+ return false;
+ break;
+ case DEBUG:
+ if (record->event.pressed) {
+ print("\nDEBUG: enabled.\n");
+ debug_enable = true;
+ }
+ return false;
+ break;
+ #ifdef RGBLIGHT_ENABLE
+ case RGB_TOG:
+ if (record->event.pressed) {
+ rgblight_toggle();
+ }
+ return false;
+ break;
+ case RGB_MOD:
+ if (record->event.pressed) {
+ rgblight_step();
+ }
+ return false;
+ break;
+ case RGB_HUI:
+ if (record->event.pressed) {
+ rgblight_increase_hue();
+ }
+ return false;
+ break;
+ case RGB_HUD:
+ if (record->event.pressed) {
+ rgblight_decrease_hue();
+ }
+ return false;
+ break;
+ case RGB_SAI:
+ if (record->event.pressed) {
+ rgblight_increase_sat();
+ }
+ return false;
+ break;
+ case RGB_SAD:
+ if (record->event.pressed) {
+ rgblight_decrease_sat();
+ }
+ return false;
+ break;
+ case RGB_VAI:
+ if (record->event.pressed) {
+ rgblight_increase_val();
+ }
+ return false;
+ break;
+ case RGB_VAD:
+ if (record->event.pressed) {
+ rgblight_decrease_val();
+ }
+ return false;
+ break;
+ #endif
+ case MAGIC_SWAP_CONTROL_CAPSLOCK ... MAGIC_TOGGLE_NKRO:
+ if (record->event.pressed) {
+ // MAGIC actions (BOOTMAGIC without the boot)
+ if (!eeconfig_is_enabled()) {
+ eeconfig_init();
+ }
+ /* keymap config */
+ keymap_config.raw = eeconfig_read_keymap();
+ switch (keycode)
+ {
+ case MAGIC_SWAP_CONTROL_CAPSLOCK:
+ keymap_config.swap_control_capslock = true;
+ break;
+ case MAGIC_CAPSLOCK_TO_CONTROL:
+ keymap_config.capslock_to_control = true;
+ break;
+ case MAGIC_SWAP_LALT_LGUI:
+ keymap_config.swap_lalt_lgui = true;
+ break;
+ case MAGIC_SWAP_RALT_RGUI:
+ keymap_config.swap_ralt_rgui = true;
+ break;
+ case MAGIC_NO_GUI:
+ keymap_config.no_gui = true;
+ break;
+ case MAGIC_SWAP_GRAVE_ESC:
+ keymap_config.swap_grave_esc = true;
+ break;
+ case MAGIC_SWAP_BACKSLASH_BACKSPACE:
+ keymap_config.swap_backslash_backspace = true;
+ break;
+ case MAGIC_HOST_NKRO:
+ keymap_config.nkro = true;
+ break;
+ case MAGIC_SWAP_ALT_GUI:
+ keymap_config.swap_lalt_lgui = true;
+ keymap_config.swap_ralt_rgui = true;
+ break;
+ case MAGIC_UNSWAP_CONTROL_CAPSLOCK:
+ keymap_config.swap_control_capslock = false;
+ break;
+ case MAGIC_UNCAPSLOCK_TO_CONTROL:
+ keymap_config.capslock_to_control = false;
+ break;
+ case MAGIC_UNSWAP_LALT_LGUI:
+ keymap_config.swap_lalt_lgui = false;
+ break;
+ case MAGIC_UNSWAP_RALT_RGUI:
+ keymap_config.swap_ralt_rgui = false;
+ break;
+ case MAGIC_UNNO_GUI:
+ keymap_config.no_gui = false;
+ break;
+ case MAGIC_UNSWAP_GRAVE_ESC:
+ keymap_config.swap_grave_esc = false;
+ break;
+ case MAGIC_UNSWAP_BACKSLASH_BACKSPACE:
+ keymap_config.swap_backslash_backspace = false;
+ break;
+ case MAGIC_UNHOST_NKRO:
+ keymap_config.nkro = false;
+ break;
+ case MAGIC_UNSWAP_ALT_GUI:
+ keymap_config.swap_lalt_lgui = false;
+ keymap_config.swap_ralt_rgui = false;
+ break;
+ case MAGIC_TOGGLE_NKRO:
+ keymap_config.nkro = !keymap_config.nkro;
+ break;
+ default:
+ break;
+ }
+ eeconfig_update_keymap(keymap_config.raw);
+ clear_keyboard(); // clear to prevent stuck keys
+
+ return false;
+ }
+ break;
+ case KC_LSPO: {
+ if (record->event.pressed) {
+ shift_interrupted[0] = false;
+ register_mods(MOD_BIT(KC_LSFT));
+ }
+ else {
+ #ifdef DISABLE_SPACE_CADET_ROLLOVER
+ if (get_mods() & MOD_BIT(KC_RSFT)) {
+ shift_interrupted[0] = true;
+ shift_interrupted[1] = true;
+ }
+ #endif
+ if (!shift_interrupted[0]) {
+ register_code(LSPO_KEY);
+ unregister_code(LSPO_KEY);
+ }
+ unregister_mods(MOD_BIT(KC_LSFT));
+ }
+ return false;
+ // break;
+ }
+
+ case KC_RSPC: {
+ if (record->event.pressed) {
+ shift_interrupted[1] = false;
+ register_mods(MOD_BIT(KC_RSFT));
+ }
+ else {
+ #ifdef DISABLE_SPACE_CADET_ROLLOVER
+ if (get_mods() & MOD_BIT(KC_LSFT)) {
+ shift_interrupted[0] = true;
+ shift_interrupted[1] = true;
+ }
+ #endif
+ if (!shift_interrupted[1]) {
+ register_code(RSPC_KEY);
+ unregister_code(RSPC_KEY);
+ }
+ unregister_mods(MOD_BIT(KC_RSFT));
+ }
+ return false;
+ // break;
+ }
+ default: {
+ shift_interrupted[0] = true;
+ shift_interrupted[1] = true;
+ break;
+ }
+ }
+
+ return process_action_kb(record);
+}
+
+const bool ascii_to_qwerty_shift_lut[0x80] PROGMEM = {
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 1, 1, 1, 1, 1, 1, 0,
+ 1, 1, 1, 1, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 1, 0, 1, 0, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 0, 0, 0, 1, 1,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 1, 1, 1, 1, 0
+};
+
+const uint8_t ascii_to_qwerty_keycode_lut[0x80] PROGMEM = {
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ KC_BSPC, KC_TAB, KC_ENT, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, KC_ESC, 0, 0, 0, 0,
+ KC_SPC, KC_1, KC_QUOT, KC_3, KC_4, KC_5, KC_7, KC_QUOT,
+ KC_9, KC_0, KC_8, KC_EQL, KC_COMM, KC_MINS, KC_DOT, KC_SLSH,
+ KC_0, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7,
+ KC_8, KC_9, KC_SCLN, KC_SCLN, KC_COMM, KC_EQL, KC_DOT, KC_SLSH,
+ KC_2, KC_A, KC_B, KC_C, KC_D, KC_E, KC_F, KC_G,
+ KC_H, KC_I, KC_J, KC_K, KC_L, KC_M, KC_N, KC_O,
+ KC_P, KC_Q, KC_R, KC_S, KC_T, KC_U, KC_V, KC_W,
+ KC_X, KC_Y, KC_Z, KC_LBRC, KC_BSLS, KC_RBRC, KC_6, KC_MINS,
+ KC_GRV, KC_A, KC_B, KC_C, KC_D, KC_E, KC_F, KC_G,
+ KC_H, KC_I, KC_J, KC_K, KC_L, KC_M, KC_N, KC_O,
+ KC_P, KC_Q, KC_R, KC_S, KC_T, KC_U, KC_V, KC_W,
+ KC_X, KC_Y, KC_Z, KC_LBRC, KC_BSLS, KC_RBRC, KC_GRV, KC_DEL
+};
+
+/* for users whose OSes are set to Colemak */
+#if 0
+#include "keymap_colemak.h"
+
+const bool ascii_to_colemak_shift_lut[0x80] PROGMEM = {
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 1, 1, 1, 1, 1, 1, 0,
+ 1, 1, 1, 1, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 1, 0, 1, 0, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 0, 0, 0, 1, 1,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 1, 1, 1, 1, 0
+};
+
+const uint8_t ascii_to_colemak_keycode_lut[0x80] PROGMEM = {
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ KC_BSPC, KC_TAB, KC_ENT, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, KC_ESC, 0, 0, 0, 0,
+ KC_SPC, KC_1, KC_QUOT, KC_3, KC_4, KC_5, KC_7, KC_QUOT,
+ KC_9, KC_0, KC_8, KC_EQL, KC_COMM, KC_MINS, KC_DOT, KC_SLSH,
+ KC_0, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7,
+ KC_8, KC_9, CM_SCLN, CM_SCLN, KC_COMM, KC_EQL, KC_DOT, KC_SLSH,
+ KC_2, CM_A, CM_B, CM_C, CM_D, CM_E, CM_F, CM_G,
+ CM_H, CM_I, CM_J, CM_K, CM_L, CM_M, CM_N, CM_O,
+ CM_P, CM_Q, CM_R, CM_S, CM_T, CM_U, CM_V, CM_W,
+ CM_X, CM_Y, CM_Z, KC_LBRC, KC_BSLS, KC_RBRC, KC_6, KC_MINS,
+ KC_GRV, CM_A, CM_B, CM_C, CM_D, CM_E, CM_F, CM_G,
+ CM_H, CM_I, CM_J, CM_K, CM_L, CM_M, CM_N, CM_O,
+ CM_P, CM_Q, CM_R, CM_S, CM_T, CM_U, CM_V, CM_W,
+ CM_X, CM_Y, CM_Z, KC_LBRC, KC_BSLS, KC_RBRC, KC_GRV, KC_DEL
+};
+
+#endif
+
+void send_string(const char *str) {
+ while (1) {
+ uint8_t keycode;
+ uint8_t ascii_code = pgm_read_byte(str);
+ if (!ascii_code) break;
+ keycode = pgm_read_byte(&ascii_to_qwerty_keycode_lut[ascii_code]);
+ if (pgm_read_byte(&ascii_to_qwerty_shift_lut[ascii_code])) {
+ register_code(KC_LSFT);
+ register_code(keycode);
+ unregister_code(keycode);
+ unregister_code(KC_LSFT);
+ }
+ else {
+ register_code(keycode);
+ unregister_code(keycode);
+ }
+ ++str;
+ }
+}
+
+void update_tri_layer(uint8_t layer1, uint8_t layer2, uint8_t layer3) {
+ if (IS_LAYER_ON(layer1) && IS_LAYER_ON(layer2)) {
+ layer_on(layer3);
+ } else {
+ layer_off(layer3);
+ }
+}
+
+void tap_random_base64(void) {
+ #if defined(__AVR_ATmega32U4__)
+ uint8_t key = (TCNT0 + TCNT1 + TCNT3 + TCNT4) % 64;
+ #else
+ uint8_t key = rand() % 64;
+ #endif
+ switch (key) {
+ case 0 ... 25:
+ register_code(KC_LSFT);
+ register_code(key + KC_A);
+ unregister_code(key + KC_A);
+ unregister_code(KC_LSFT);
+ break;
+ case 26 ... 51:
+ register_code(key - 26 + KC_A);
+ unregister_code(key - 26 + KC_A);
+ break;
+ case 52:
+ register_code(KC_0);
+ unregister_code(KC_0);
+ break;
+ case 53 ... 61:
+ register_code(key - 53 + KC_1);
+ unregister_code(key - 53 + KC_1);
+ break;
+ case 62:
+ register_code(KC_LSFT);
+ register_code(KC_EQL);
+ unregister_code(KC_EQL);
+ unregister_code(KC_LSFT);
+ break;
+ case 63:
+ register_code(KC_SLSH);
+ unregister_code(KC_SLSH);
+ break;
+ }
+}
+
+void matrix_init_quantum() {
+ #ifdef BACKLIGHT_ENABLE
+ backlight_init_ports();
+ #endif
+ matrix_init_kb();
+}
+
+void matrix_scan_quantum() {
+ #ifdef AUDIO_ENABLE
+ matrix_scan_music();
+ #endif
+
+ #ifdef TAP_DANCE_ENABLE
+ matrix_scan_tap_dance();
+ #endif
+ matrix_scan_kb();
+}
+
+#if defined(BACKLIGHT_ENABLE) && defined(BACKLIGHT_PIN)
+
+static const uint8_t backlight_pin = BACKLIGHT_PIN;
+
+#if BACKLIGHT_PIN == B7
+# define COM1x1 COM1C1
+# define OCR1x OCR1C
+#elif BACKLIGHT_PIN == B6
+# define COM1x1 COM1B1
+# define OCR1x OCR1B
+#elif BACKLIGHT_PIN == B5
+# define COM1x1 COM1A1
+# define OCR1x OCR1A
+#else
+# error "Backlight pin not supported - use B5, B6, or B7"
+#endif
+
+__attribute__ ((weak))
+void backlight_init_ports(void)
+{
+
+ // Setup backlight pin as output and output low.
+ // DDRx |= n
+ _SFR_IO8((backlight_pin >> 4) + 1) |= _BV(backlight_pin & 0xF);
+ // PORTx &= ~n
+ _SFR_IO8((backlight_pin >> 4) + 2) &= ~_BV(backlight_pin & 0xF);
+
+ // 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(COM1x1) | _BV(WGM11); // = 0b00001010;
+ TCCR1B = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
+
+ backlight_init();
+ #ifdef BACKLIGHT_BREATHING
+ breathing_defaults();
+ #endif
+}
+
+__attribute__ ((weak))
+void backlight_set(uint8_t level)
+{
+ // Prevent backlight blink on lowest level
+ // PORTx &= ~n
+ _SFR_IO8((backlight_pin >> 4) + 2) &= ~_BV(backlight_pin & 0xF);
+
+ if ( level == 0 ) {
+ // Turn off PWM control on backlight pin, revert to output low.
+ TCCR1A &= ~(_BV(COM1x1));
+ OCR1x = 0x0;
+ } else if ( level == BACKLIGHT_LEVELS ) {
+ // Turn on PWM control of backlight pin
+ TCCR1A |= _BV(COM1x1);
+ // Set the brightness
+ OCR1x = 0xFFFF;
+ } else {
+ // Turn on PWM control of backlight pin
+ TCCR1A |= _BV(COM1x1);
+ // Set the brightness
+ OCR1x = 0xFFFF >> ((BACKLIGHT_LEVELS - level) * ((BACKLIGHT_LEVELS + 1) / 2));
+ }
+
+ #ifdef BACKLIGHT_BREATHING
+ breathing_intensity_default();
+ #endif
+}
+
+
+#ifdef BACKLIGHT_BREATHING
+
+#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 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)
+{
+ // OCR1x = (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);
+ }
+
+ OCR1x = (uint16_t)(((uint16_t)pgm_read_byte(&breathing_table[local_index]) * 257)) >> breath_intensity;
+
+}
+
+
+
+#endif // breathing
+
+#else // backlight
+
+__attribute__ ((weak))
+void backlight_init_ports(void)
+{
+
+}
+
+__attribute__ ((weak))
+void backlight_set(uint8_t level)
+{
+
+}
+
+#endif // backlight
+
+
+
+__attribute__ ((weak))
+void led_set_user(uint8_t usb_led) {
+
+}
+
+__attribute__ ((weak))
+void led_set_kb(uint8_t usb_led) {
+ led_set_user(usb_led);
+}
+
+__attribute__ ((weak))
+void led_init_ports(void)
+{
+
+}
+
+__attribute__ ((weak))
+void led_set(uint8_t usb_led)
+{
+
+ // Example LED Code
+ //
+ // // Using PE6 Caps Lock LED
+ // if (usb_led & (1<<USB_LED_CAPS_LOCK))
+ // {
+ // // Output high.
+ // DDRE |= (1<<6);
+ // PORTE |= (1<<6);
+ // }
+ // else
+ // {
+ // // Output low.
+ // DDRE &= ~(1<<6);
+ // PORTE &= ~(1<<6);
+ // }
+
+ led_set_kb(usb_led);
+}
+
+
+//------------------------------------------------------------------------------
+// Override these functions in your keymap file to play different tunes on
+// different events such as startup and bootloader jump
+
+__attribute__ ((weak))
+void startup_user() {}
+
+__attribute__ ((weak))
+void shutdown_user() {}
+
+//------------------------------------------------------------------------------
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