1 /* Copyright 2016-2017 Jack Humbert
3 * This program is free software: you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation, either version 2 of the License, or
6 * (at your option) any later version.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 #include "outputselect.h"
23 #define TAPPING_TERM 200
26 #include "backlight.h"
27 extern backlight_config_t backlight_config;
29 #ifdef FAUXCLICKY_ENABLE
30 #include "fauxclicky.h"
35 #define GOODBYE_SONG SONG(GOODBYE_SOUND)
38 #define AG_NORM_SONG SONG(AG_NORM_SOUND)
41 #define AG_SWAP_SONG SONG(AG_SWAP_SOUND)
43 float goodbye_song[][2] = GOODBYE_SONG;
44 float ag_norm_song[][2] = AG_NORM_SONG;
45 float ag_swap_song[][2] = AG_SWAP_SONG;
46 #ifdef DEFAULT_LAYER_SONGS
47 float default_layer_songs[][16][2] = DEFAULT_LAYER_SONGS;
51 static void do_code16 (uint16_t code, void (*f) (uint8_t)) {
53 case QK_MODS ... QK_MODS_MAX:
68 if (code < QK_RMODS_MIN) return;
80 static inline void qk_register_weak_mods(uint8_t kc) {
81 add_weak_mods(MOD_BIT(kc));
82 send_keyboard_report();
85 static inline void qk_unregister_weak_mods(uint8_t kc) {
86 del_weak_mods(MOD_BIT(kc));
87 send_keyboard_report();
90 static inline void qk_register_mods(uint8_t kc) {
91 add_weak_mods(MOD_BIT(kc));
92 send_keyboard_report();
95 static inline void qk_unregister_mods(uint8_t kc) {
96 del_weak_mods(MOD_BIT(kc));
97 send_keyboard_report();
100 void register_code16 (uint16_t code) {
101 if (IS_MOD(code) || code == KC_NO) {
102 do_code16 (code, qk_register_mods);
104 do_code16 (code, qk_register_weak_mods);
106 register_code (code);
109 void unregister_code16 (uint16_t code) {
110 unregister_code (code);
111 if (IS_MOD(code) || code == KC_NO) {
112 do_code16 (code, qk_unregister_mods);
114 do_code16 (code, qk_unregister_weak_mods);
118 __attribute__ ((weak))
119 bool process_action_kb(keyrecord_t *record) {
123 __attribute__ ((weak))
124 bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
125 return process_record_user(keycode, record);
128 __attribute__ ((weak))
129 bool process_record_user(uint16_t keycode, keyrecord_t *record) {
133 void reset_keyboard(void) {
135 #if defined(AUDIO_ENABLE) || (defined(MIDI_ENABLE) && defined(MIDI_ENABLE_BASIC))
136 music_all_notes_off();
137 uint16_t timer_start = timer_read();
138 PLAY_SONG(goodbye_song);
140 while(timer_elapsed(timer_start) < 250)
146 #ifdef CATERINA_BOOTLOADER
147 *(uint16_t *)0x0800 = 0x7777; // these two are a-star-specific
152 // Shift / paren setup
155 #define LSPO_KEY KC_9
158 #define RSPC_KEY KC_0
161 static bool shift_interrupted[2] = {0, 0};
162 static uint16_t scs_timer[2] = {0, 0};
164 bool process_record_quantum(keyrecord_t *record) {
166 /* This gets the keycode from the key pressed */
167 keypos_t key = record->event.key;
170 #if !defined(NO_ACTION_LAYER) && defined(PREVENT_STUCK_MODIFIERS)
171 /* TODO: Use store_or_get_action() or a similar function. */
172 if (!disable_action_cache) {
175 if (record->event.pressed) {
176 layer = layer_switch_get_layer(key);
177 update_source_layers_cache(key, layer);
179 layer = read_source_layers_cache(key);
181 keycode = keymap_key_to_keycode(layer, key);
184 keycode = keymap_key_to_keycode(layer_switch_get_layer(key), key);
186 // This is how you use actions here
187 // if (keycode == KC_LEAD) {
189 // action.code = ACTION_DEFAULT_LAYER_SET(0);
190 // process_action(record, action);
195 #if defined(KEY_LOCK_ENABLE)
196 // Must run first to be able to mask key_up events.
197 process_key_lock(&keycode, record) &&
199 process_record_kb(keycode, record) &&
200 #if defined(MIDI_ENABLE) && defined(MIDI_ADVANCED)
201 process_midi(keycode, record) &&
204 process_audio(keycode, record) &&
207 process_steno(keycode, record) &&
209 #if defined(AUDIO_ENABLE) || (defined(MIDI_ENABLE) && defined(MIDI_BASIC))
210 process_music(keycode, record) &&
212 #ifdef TAP_DANCE_ENABLE
213 process_tap_dance(keycode, record) &&
215 #ifndef DISABLE_LEADER
216 process_leader(keycode, record) &&
218 #ifndef DISABLE_CHORDING
219 process_chording(keycode, record) &&
222 process_combo(keycode, record) &&
224 #ifdef UNICODE_ENABLE
225 process_unicode(keycode, record) &&
228 process_ucis(keycode, record) &&
230 #ifdef PRINTING_ENABLE
231 process_printer(keycode, record) &&
233 #ifdef UNICODEMAP_ENABLE
234 process_unicode_map(keycode, record) &&
240 // Shift / paren setup
244 if (record->event.pressed) {
250 if (record->event.pressed) {
251 print("\nDEBUG: enabled.\n");
256 #ifdef FAUXCLICKY_ENABLE
258 if (record->event.pressed) {
264 if (record->event.pressed) {
270 if (record->event.pressed) {
276 #ifdef RGBLIGHT_ENABLE
278 if (record->event.pressed) {
284 if (record->event.pressed) {
290 if (record->event.pressed) {
291 rgblight_increase_hue();
296 if (record->event.pressed) {
297 rgblight_decrease_hue();
302 if (record->event.pressed) {
303 rgblight_increase_sat();
308 if (record->event.pressed) {
309 rgblight_decrease_sat();
314 if (record->event.pressed) {
315 rgblight_increase_val();
320 if (record->event.pressed) {
321 rgblight_decrease_val();
328 if (record->event.pressed) {
329 set_output(OUTPUT_AUTO);
334 if (record->event.pressed) {
335 set_output(OUTPUT_USB);
339 #ifdef BLUETOOTH_ENABLE
341 if (record->event.pressed) {
342 set_output(OUTPUT_BLUETOOTH);
348 case MAGIC_SWAP_CONTROL_CAPSLOCK ... MAGIC_TOGGLE_NKRO:
349 if (record->event.pressed) {
350 // MAGIC actions (BOOTMAGIC without the boot)
351 if (!eeconfig_is_enabled()) {
355 keymap_config.raw = eeconfig_read_keymap();
358 case MAGIC_SWAP_CONTROL_CAPSLOCK:
359 keymap_config.swap_control_capslock = true;
361 case MAGIC_CAPSLOCK_TO_CONTROL:
362 keymap_config.capslock_to_control = true;
364 case MAGIC_SWAP_LALT_LGUI:
365 keymap_config.swap_lalt_lgui = true;
367 case MAGIC_SWAP_RALT_RGUI:
368 keymap_config.swap_ralt_rgui = true;
371 keymap_config.no_gui = true;
373 case MAGIC_SWAP_GRAVE_ESC:
374 keymap_config.swap_grave_esc = true;
376 case MAGIC_SWAP_BACKSLASH_BACKSPACE:
377 keymap_config.swap_backslash_backspace = true;
379 case MAGIC_HOST_NKRO:
380 keymap_config.nkro = true;
382 case MAGIC_SWAP_ALT_GUI:
383 keymap_config.swap_lalt_lgui = true;
384 keymap_config.swap_ralt_rgui = true;
386 PLAY_SONG(ag_swap_song);
389 case MAGIC_UNSWAP_CONTROL_CAPSLOCK:
390 keymap_config.swap_control_capslock = false;
392 case MAGIC_UNCAPSLOCK_TO_CONTROL:
393 keymap_config.capslock_to_control = false;
395 case MAGIC_UNSWAP_LALT_LGUI:
396 keymap_config.swap_lalt_lgui = false;
398 case MAGIC_UNSWAP_RALT_RGUI:
399 keymap_config.swap_ralt_rgui = false;
402 keymap_config.no_gui = false;
404 case MAGIC_UNSWAP_GRAVE_ESC:
405 keymap_config.swap_grave_esc = false;
407 case MAGIC_UNSWAP_BACKSLASH_BACKSPACE:
408 keymap_config.swap_backslash_backspace = false;
410 case MAGIC_UNHOST_NKRO:
411 keymap_config.nkro = false;
413 case MAGIC_UNSWAP_ALT_GUI:
414 keymap_config.swap_lalt_lgui = false;
415 keymap_config.swap_ralt_rgui = false;
417 PLAY_SONG(ag_norm_song);
420 case MAGIC_TOGGLE_NKRO:
421 keymap_config.nkro = !keymap_config.nkro;
426 eeconfig_update_keymap(keymap_config.raw);
427 clear_keyboard(); // clear to prevent stuck keys
433 if (record->event.pressed) {
434 shift_interrupted[0] = false;
435 scs_timer[0] = timer_read ();
436 register_mods(MOD_BIT(KC_LSFT));
439 #ifdef DISABLE_SPACE_CADET_ROLLOVER
440 if (get_mods() & MOD_BIT(KC_RSFT)) {
441 shift_interrupted[0] = true;
442 shift_interrupted[1] = true;
445 if (!shift_interrupted[0] && timer_elapsed(scs_timer[0]) < TAPPING_TERM) {
446 register_code(LSPO_KEY);
447 unregister_code(LSPO_KEY);
449 unregister_mods(MOD_BIT(KC_LSFT));
456 if (record->event.pressed) {
457 shift_interrupted[1] = false;
458 scs_timer[1] = timer_read ();
459 register_mods(MOD_BIT(KC_RSFT));
462 #ifdef DISABLE_SPACE_CADET_ROLLOVER
463 if (get_mods() & MOD_BIT(KC_LSFT)) {
464 shift_interrupted[0] = true;
465 shift_interrupted[1] = true;
468 if (!shift_interrupted[1] && timer_elapsed(scs_timer[1]) < TAPPING_TERM) {
469 register_code(RSPC_KEY);
470 unregister_code(RSPC_KEY);
472 unregister_mods(MOD_BIT(KC_RSFT));
478 void (*method)(uint8_t) = (record->event.pressed) ? &add_key : &del_key;
479 uint8_t shifted = get_mods() & ((MOD_BIT(KC_LSHIFT)|MOD_BIT(KC_RSHIFT)
480 |MOD_BIT(KC_LGUI)|MOD_BIT(KC_RGUI)));
482 method(shifted ? KC_GRAVE : KC_ESCAPE);
483 send_keyboard_report();
486 shift_interrupted[0] = true;
487 shift_interrupted[1] = true;
492 return process_action_kb(record);
495 __attribute__ ((weak))
496 const bool ascii_to_shift_lut[0x80] PROGMEM = {
497 0, 0, 0, 0, 0, 0, 0, 0,
498 0, 0, 0, 0, 0, 0, 0, 0,
499 0, 0, 0, 0, 0, 0, 0, 0,
500 0, 0, 0, 0, 0, 0, 0, 0,
501 0, 1, 1, 1, 1, 1, 1, 0,
502 1, 1, 1, 1, 0, 0, 0, 0,
503 0, 0, 0, 0, 0, 0, 0, 0,
504 0, 0, 1, 0, 1, 0, 1, 1,
505 1, 1, 1, 1, 1, 1, 1, 1,
506 1, 1, 1, 1, 1, 1, 1, 1,
507 1, 1, 1, 1, 1, 1, 1, 1,
508 1, 1, 1, 0, 0, 0, 1, 1,
509 0, 0, 0, 0, 0, 0, 0, 0,
510 0, 0, 0, 0, 0, 0, 0, 0,
511 0, 0, 0, 0, 0, 0, 0, 0,
512 0, 0, 0, 1, 1, 1, 1, 0
515 __attribute__ ((weak))
516 const uint8_t ascii_to_keycode_lut[0x80] PROGMEM = {
517 0, 0, 0, 0, 0, 0, 0, 0,
518 KC_BSPC, KC_TAB, KC_ENT, 0, 0, 0, 0, 0,
519 0, 0, 0, 0, 0, 0, 0, 0,
520 0, 0, 0, KC_ESC, 0, 0, 0, 0,
521 KC_SPC, KC_1, KC_QUOT, KC_3, KC_4, KC_5, KC_7, KC_QUOT,
522 KC_9, KC_0, KC_8, KC_EQL, KC_COMM, KC_MINS, KC_DOT, KC_SLSH,
523 KC_0, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7,
524 KC_8, KC_9, KC_SCLN, KC_SCLN, KC_COMM, KC_EQL, KC_DOT, KC_SLSH,
525 KC_2, KC_A, KC_B, KC_C, KC_D, KC_E, KC_F, KC_G,
526 KC_H, KC_I, KC_J, KC_K, KC_L, KC_M, KC_N, KC_O,
527 KC_P, KC_Q, KC_R, KC_S, KC_T, KC_U, KC_V, KC_W,
528 KC_X, KC_Y, KC_Z, KC_LBRC, KC_BSLS, KC_RBRC, KC_6, KC_MINS,
529 KC_GRV, KC_A, KC_B, KC_C, KC_D, KC_E, KC_F, KC_G,
530 KC_H, KC_I, KC_J, KC_K, KC_L, KC_M, KC_N, KC_O,
531 KC_P, KC_Q, KC_R, KC_S, KC_T, KC_U, KC_V, KC_W,
532 KC_X, KC_Y, KC_Z, KC_LBRC, KC_BSLS, KC_RBRC, KC_GRV, KC_DEL
535 void send_string(const char *str) {
536 send_string_with_delay(str, 0);
539 void send_string_with_delay(const char *str, uint8_t interval) {
542 uint8_t ascii_code = pgm_read_byte(str);
543 if (!ascii_code) break;
544 keycode = pgm_read_byte(&ascii_to_keycode_lut[ascii_code]);
545 if (pgm_read_byte(&ascii_to_shift_lut[ascii_code])) {
546 register_code(KC_LSFT);
547 register_code(keycode);
548 unregister_code(keycode);
549 unregister_code(KC_LSFT);
552 register_code(keycode);
553 unregister_code(keycode);
557 { uint8_t ms = interval; while (ms--) wait_ms(1); }
561 void set_single_persistent_default_layer(uint8_t default_layer) {
562 #if defined(AUDIO_ENABLE) && defined(DEFAULT_LAYER_SONGS)
563 PLAY_SONG(default_layer_songs[default_layer]);
565 eeconfig_update_default_layer(1U<<default_layer);
566 default_layer_set(1U<<default_layer);
569 void update_tri_layer(uint8_t layer1, uint8_t layer2, uint8_t layer3) {
570 if (IS_LAYER_ON(layer1) && IS_LAYER_ON(layer2)) {
577 void tap_random_base64(void) {
578 #if defined(__AVR_ATmega32U4__)
579 uint8_t key = (TCNT0 + TCNT1 + TCNT3 + TCNT4) % 64;
581 uint8_t key = rand() % 64;
585 register_code(KC_LSFT);
586 register_code(key + KC_A);
587 unregister_code(key + KC_A);
588 unregister_code(KC_LSFT);
591 register_code(key - 26 + KC_A);
592 unregister_code(key - 26 + KC_A);
596 unregister_code(KC_0);
599 register_code(key - 53 + KC_1);
600 unregister_code(key - 53 + KC_1);
603 register_code(KC_LSFT);
604 register_code(KC_EQL);
605 unregister_code(KC_EQL);
606 unregister_code(KC_LSFT);
609 register_code(KC_SLSH);
610 unregister_code(KC_SLSH);
615 void matrix_init_quantum() {
616 #ifdef BACKLIGHT_ENABLE
617 backlight_init_ports();
625 void matrix_scan_quantum() {
630 #ifdef TAP_DANCE_ENABLE
631 matrix_scan_tap_dance();
638 #if defined(BACKLIGHT_ENABLE) && defined(BACKLIGHT_PIN)
645 #if defined(BACKLIGHT_ENABLE) && defined(BACKLIGHT_PIN)
647 static const uint8_t backlight_pin = BACKLIGHT_PIN;
649 #if BACKLIGHT_PIN == B7
650 # define COM1x1 COM1C1
652 #elif BACKLIGHT_PIN == B6
653 # define COM1x1 COM1B1
655 #elif BACKLIGHT_PIN == B5
656 # define COM1x1 COM1A1
659 # define NO_BACKLIGHT_CLOCK
662 #ifndef BACKLIGHT_ON_STATE
663 #define BACKLIGHT_ON_STATE 0
666 __attribute__ ((weak))
667 void backlight_init_ports(void)
670 // Setup backlight pin as output and output to on state.
672 _SFR_IO8((backlight_pin >> 4) + 1) |= _BV(backlight_pin & 0xF);
673 #if BACKLIGHT_ON_STATE == 0
675 _SFR_IO8((backlight_pin >> 4) + 2) &= ~_BV(backlight_pin & 0xF);
678 _SFR_IO8((backlight_pin >> 4) + 2) |= _BV(backlight_pin & 0xF);
681 #ifndef NO_BACKLIGHT_CLOCK
682 // Use full 16-bit resolution.
685 // I could write a wall of text here to explain... but TL;DW
686 // Go read the ATmega32u4 datasheet.
687 // And this: http://blog.saikoled.com/post/43165849837/secret-konami-cheat-code-to-high-resolution-pwm-on
689 // Pin PB7 = OCR1C (Timer 1, Channel C)
690 // Compare Output Mode = Clear on compare match, Channel C = COM1C1=1 COM1C0=0
691 // (i.e. start high, go low when counter matches.)
692 // WGM Mode 14 (Fast PWM) = WGM13=1 WGM12=1 WGM11=1 WGM10=0
693 // Clock Select = clk/1 (no prescaling) = CS12=0 CS11=0 CS10=1
695 TCCR1A = _BV(COM1x1) | _BV(WGM11); // = 0b00001010;
696 TCCR1B = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
700 #ifdef BACKLIGHT_BREATHING
701 breathing_defaults();
705 __attribute__ ((weak))
706 void backlight_set(uint8_t level)
708 // Prevent backlight blink on lowest level
709 // #if BACKLIGHT_ON_STATE == 0
711 // _SFR_IO8((backlight_pin >> 4) + 2) &= ~_BV(backlight_pin & 0xF);
714 // _SFR_IO8((backlight_pin >> 4) + 2) |= _BV(backlight_pin & 0xF);
718 #ifndef NO_BACKLIGHT_CLOCK
719 // Turn off PWM control on backlight pin, revert to output low.
720 TCCR1A &= ~(_BV(COM1x1));
723 // #if BACKLIGHT_ON_STATE == 0
725 // _SFR_IO8((backlight_pin >> 4) + 2) |= _BV(backlight_pin & 0xF);
728 // _SFR_IO8((backlight_pin >> 4) + 2) &= ~_BV(backlight_pin & 0xF);
732 #ifndef NO_BACKLIGHT_CLOCK
733 else if ( level == BACKLIGHT_LEVELS ) {
734 // Turn on PWM control of backlight pin
735 TCCR1A |= _BV(COM1x1);
736 // Set the brightness
740 // Turn on PWM control of backlight pin
741 TCCR1A |= _BV(COM1x1);
742 // Set the brightness
743 OCR1x = 0xFFFF >> ((BACKLIGHT_LEVELS - level) * ((BACKLIGHT_LEVELS + 1) / 2));
747 #ifdef BACKLIGHT_BREATHING
748 breathing_intensity_default();
752 uint8_t backlight_tick = 0;
754 void backlight_task(void) {
755 #ifdef NO_BACKLIGHT_CLOCK
756 if ((0xFFFF >> ((BACKLIGHT_LEVELS - backlight_config.level) * ((BACKLIGHT_LEVELS + 1) / 2))) & (1 << backlight_tick)) {
757 #if BACKLIGHT_ON_STATE == 0
759 _SFR_IO8((backlight_pin >> 4) + 2) &= ~_BV(backlight_pin & 0xF);
762 _SFR_IO8((backlight_pin >> 4) + 2) |= _BV(backlight_pin & 0xF);
765 #if BACKLIGHT_ON_STATE == 0
767 _SFR_IO8((backlight_pin >> 4) + 2) |= _BV(backlight_pin & 0xF);
770 _SFR_IO8((backlight_pin >> 4) + 2) &= ~_BV(backlight_pin & 0xF);
773 backlight_tick = (backlight_tick + 1) % 16;
777 #ifdef BACKLIGHT_BREATHING
779 #define BREATHING_NO_HALT 0
780 #define BREATHING_HALT_OFF 1
781 #define BREATHING_HALT_ON 2
783 static uint8_t breath_intensity;
784 static uint8_t breath_speed;
785 static uint16_t breathing_index;
786 static uint8_t breathing_halt;
788 void breathing_enable(void)
790 if (get_backlight_level() == 0)
796 // Set breathing_index to be at the midpoint (brightest point)
797 breathing_index = 0x20 << breath_speed;
800 breathing_halt = BREATHING_NO_HALT;
802 // Enable breathing interrupt
803 TIMSK1 |= _BV(OCIE1A);
806 void breathing_pulse(void)
808 if (get_backlight_level() == 0)
814 // Set breathing_index to be at the midpoint + 1 (brightest point)
815 breathing_index = 0x21 << breath_speed;
818 breathing_halt = BREATHING_HALT_ON;
820 // Enable breathing interrupt
821 TIMSK1 |= _BV(OCIE1A);
824 void breathing_disable(void)
826 // Disable breathing interrupt
827 TIMSK1 &= ~_BV(OCIE1A);
828 backlight_set(get_backlight_level());
831 void breathing_self_disable(void)
833 if (get_backlight_level() == 0)
835 breathing_halt = BREATHING_HALT_OFF;
839 breathing_halt = BREATHING_HALT_ON;
842 //backlight_set(get_backlight_level());
845 void breathing_toggle(void)
849 if (get_backlight_level() == 0)
855 // Set breathing_index to be at the midpoint + 1 (brightest point)
856 breathing_index = 0x21 << breath_speed;
859 breathing_halt = BREATHING_NO_HALT;
862 // Toggle breathing interrupt
863 TIMSK1 ^= _BV(OCIE1A);
865 // Restore backlight level
868 backlight_set(get_backlight_level());
872 bool is_breathing(void)
874 return (TIMSK1 && _BV(OCIE1A));
877 void breathing_intensity_default(void)
879 //breath_intensity = (uint8_t)((uint16_t)100 * (uint16_t)get_backlight_level() / (uint16_t)BACKLIGHT_LEVELS);
880 breath_intensity = ((BACKLIGHT_LEVELS - get_backlight_level()) * ((BACKLIGHT_LEVELS + 1) / 2));
883 void breathing_intensity_set(uint8_t value)
885 breath_intensity = value;
888 void breathing_speed_default(void)
893 void breathing_speed_set(uint8_t value)
895 bool is_breathing_now = is_breathing();
896 uint8_t old_breath_speed = breath_speed;
898 if (is_breathing_now)
900 // Disable breathing interrupt
901 TIMSK1 &= ~_BV(OCIE1A);
904 breath_speed = value;
906 if (is_breathing_now)
908 // Adjust index to account for new speed
909 breathing_index = (( (uint8_t)( (breathing_index) >> old_breath_speed ) ) & 0x3F) << breath_speed;
911 // Enable breathing interrupt
912 TIMSK1 |= _BV(OCIE1A);
917 void breathing_speed_inc(uint8_t value)
919 if ((uint16_t)(breath_speed - value) > 10 )
921 breathing_speed_set(0);
925 breathing_speed_set(breath_speed - value);
929 void breathing_speed_dec(uint8_t value)
931 if ((uint16_t)(breath_speed + value) > 10 )
933 breathing_speed_set(10);
937 breathing_speed_set(breath_speed + value);
941 void breathing_defaults(void)
943 breathing_intensity_default();
944 breathing_speed_default();
945 breathing_halt = BREATHING_NO_HALT;
948 /* Breathing Sleep LED brighness(PWM On period) table
949 * (64[steps] * 4[duration]) / 64[PWM periods/s] = 4 second breath cycle
951 * http://www.wolframalpha.com/input/?i=%28sin%28+x%2F64*pi%29**8+*+255%2C+x%3D0+to+63
952 * (0..63).each {|x| p ((sin(x/64.0*PI)**8)*255).to_i }
954 static const uint8_t breathing_table[64] PROGMEM = {
955 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 4, 6, 10,
956 15, 23, 32, 44, 58, 74, 93, 113, 135, 157, 179, 199, 218, 233, 245, 252,
957 255, 252, 245, 233, 218, 199, 179, 157, 135, 113, 93, 74, 58, 44, 32, 23,
958 15, 10, 6, 4, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
961 ISR(TIMER1_COMPA_vect)
963 // OCR1x = (pgm_read_byte(&breathing_table[ ( (uint8_t)( (breathing_index++) >> breath_speed ) ) & 0x3F ] )) * breath_intensity;
966 uint8_t local_index = ( (uint8_t)( (breathing_index++) >> breath_speed ) ) & 0x3F;
968 if (((breathing_halt == BREATHING_HALT_ON) && (local_index == 0x20)) || ((breathing_halt == BREATHING_HALT_OFF) && (local_index == 0x3F)))
970 // Disable breathing interrupt
971 TIMSK1 &= ~_BV(OCIE1A);
974 OCR1x = (uint16_t)(((uint16_t)pgm_read_byte(&breathing_table[local_index]) * 257)) >> breath_intensity;
984 __attribute__ ((weak))
985 void backlight_init_ports(void)
990 __attribute__ ((weak))
991 void backlight_set(uint8_t level)
999 // Functions for spitting out values
1002 void send_dword(uint32_t number) { // this might not actually work
1003 uint16_t word = (number >> 16);
1005 send_word(number & 0xFFFFUL);
1008 void send_word(uint16_t number) {
1009 uint8_t byte = number >> 8;
1011 send_byte(number & 0xFF);
1014 void send_byte(uint8_t number) {
1015 uint8_t nibble = number >> 4;
1016 send_nibble(nibble);
1017 send_nibble(number & 0xF);
1020 void send_nibble(uint8_t number) {
1023 register_code(KC_0);
1024 unregister_code(KC_0);
1027 register_code(KC_1 + (number - 1));
1028 unregister_code(KC_1 + (number - 1));
1031 register_code(KC_A + (number - 0xA));
1032 unregister_code(KC_A + (number - 0xA));
1038 __attribute__((weak))
1039 uint16_t hex_to_keycode(uint8_t hex)
1043 } else if (hex < 0xA) {
1044 return KC_1 + (hex - 0x1);
1046 return KC_A + (hex - 0xA);
1050 void api_send_unicode(uint32_t unicode) {
1053 dword_to_bytes(unicode, chunk);
1054 MT_SEND_DATA(DT_UNICODE, chunk, 5);
1058 __attribute__ ((weak))
1059 void led_set_user(uint8_t usb_led) {
1063 __attribute__ ((weak))
1064 void led_set_kb(uint8_t usb_led) {
1065 led_set_user(usb_led);
1068 __attribute__ ((weak))
1069 void led_init_ports(void)
1074 __attribute__ ((weak))
1075 void led_set(uint8_t usb_led)
1080 // // Using PE6 Caps Lock LED
1081 // if (usb_led & (1<<USB_LED_CAPS_LOCK))
1091 // PORTE &= ~(1<<6);
1094 led_set_kb(usb_led);
1098 //------------------------------------------------------------------------------
1099 // Override these functions in your keymap file to play different tunes on
1100 // different events such as startup and bootloader jump
1102 __attribute__ ((weak))
1103 void startup_user() {}
1105 __attribute__ ((weak))
1106 void shutdown_user() {}
1108 //------------------------------------------------------------------------------