/* Copyright 2016-2017 Jack Humbert * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #include "quantum.h" #ifdef PROTOCOL_LUFA #include "outputselect.h" #endif #ifndef TAPPING_TERM #define TAPPING_TERM 200 #endif #ifndef BREATHING_PERIOD #define BREATHING_PERIOD 6 #endif #include "backlight.h" extern backlight_config_t backlight_config; #ifdef FAUXCLICKY_ENABLE #include "fauxclicky.h" #endif #ifdef API_ENABLE #include "api.h" #endif #ifdef MIDI_ENABLE #include "process_midi.h" #endif #ifdef AUDIO_ENABLE #ifndef GOODBYE_SONG #define GOODBYE_SONG SONG(GOODBYE_SOUND) #endif #ifndef AG_NORM_SONG #define AG_NORM_SONG SONG(AG_NORM_SOUND) #endif #ifndef AG_SWAP_SONG #define AG_SWAP_SONG SONG(AG_SWAP_SOUND) #endif float goodbye_song[][2] = GOODBYE_SONG; float ag_norm_song[][2] = AG_NORM_SONG; float ag_swap_song[][2] = AG_SWAP_SONG; #ifdef DEFAULT_LAYER_SONGS float default_layer_songs[][16][2] = DEFAULT_LAYER_SONGS; #endif #endif 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_RMODS_MIN) return; 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); } static inline void qk_register_weak_mods(uint8_t kc) { add_weak_mods(MOD_BIT(kc)); send_keyboard_report(); } static inline void qk_unregister_weak_mods(uint8_t kc) { del_weak_mods(MOD_BIT(kc)); send_keyboard_report(); } static inline void qk_register_mods(uint8_t kc) { add_weak_mods(MOD_BIT(kc)); send_keyboard_report(); } static inline void qk_unregister_mods(uint8_t kc) { del_weak_mods(MOD_BIT(kc)); send_keyboard_report(); } void register_code16 (uint16_t code) { if (IS_MOD(code) || code == KC_NO) { do_code16 (code, qk_register_mods); } else { do_code16 (code, qk_register_weak_mods); } register_code (code); } void unregister_code16 (uint16_t code) { unregister_code (code); if (IS_MOD(code) || code == KC_NO) { do_code16 (code, qk_unregister_mods); } else { do_code16 (code, qk_unregister_weak_mods); } } __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(); #if defined(MIDI_ENABLE) && defined(MIDI_BASIC) process_midi_all_notes_off(); #endif #ifdef AUDIO_ENABLE #ifndef NO_MUSIC_MODE music_all_notes_off(); #endif uint16_t timer_start = timer_read(); PLAY_SONG(goodbye_song); shutdown_user(); while(timer_elapsed(timer_start) < 250) wait_ms(1); stop_all_notes(); #else shutdown_user(); wait_ms(250); #endif // this is also done later in bootloader.c - not sure if it's neccesary here #ifdef BOOTLOADER_CATERINA *(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 // Shift / Enter setup #ifndef SFTENT_KEY #define SFTENT_KEY KC_ENT #endif static bool shift_interrupted[2] = {0, 0}; static uint16_t scs_timer[2] = {0, 0}; /* true if the last press of GRAVE_ESC was shifted (i.e. GUI or SHIFT were pressed), false otherwise. * Used to ensure that the correct keycode is released if the key is released. */ static bool grave_esc_was_shifted = false; bool process_record_quantum(keyrecord_t *record) { /* This gets the keycode from the key pressed */ keypos_t key = record->event.key; uint16_t keycode; #ifdef RGBLIGHT_ENABLE if (momentum_enabled()) momentum_accelerate(); #endif #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; // } #ifdef TAP_DANCE_ENABLE preprocess_tap_dance(keycode, record); #endif if (!( #if defined(KEY_LOCK_ENABLE) // Must run first to be able to mask key_up events. process_key_lock(&keycode, record) && #endif #if defined(AUDIO_ENABLE) && defined(AUDIO_CLICKY) process_clicky(keycode, record) && #endif //AUDIO_CLICKY process_record_kb(keycode, record) && #if defined(RGB_MATRIX_ENABLE) && defined(RGB_MATRIX_KEYPRESSES) process_rgb_matrix(keycode, record) && #endif #if defined(MIDI_ENABLE) && defined(MIDI_ADVANCED) process_midi(keycode, record) && #endif #ifdef AUDIO_ENABLE process_audio(keycode, record) && #endif #ifdef STENO_ENABLE process_steno(keycode, record) && #endif #if ( defined(AUDIO_ENABLE) || (defined(MIDI_ENABLE) && defined(MIDI_BASIC))) && !defined(NO_MUSIC_MODE) 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 COMBO_ENABLE process_combo(keycode, record) && #endif #ifdef UNICODE_ENABLE process_unicode(keycode, record) && #endif #ifdef UCIS_ENABLE process_ucis(keycode, record) && #endif #ifdef PRINTING_ENABLE process_printer(keycode, record) && #endif #ifdef AUTO_SHIFT_ENABLE process_auto_shift(keycode, record) && #endif #ifdef UNICODEMAP_ENABLE process_unicode_map(keycode, record) && #endif #ifdef TERMINAL_ENABLE process_terminal(keycode, record) && #endif true)) { return false; } // Shift / paren setup switch(keycode) { case RESET: if (record->event.pressed) { reset_keyboard(); } return false; case DEBUG: if (record->event.pressed) { debug_enable = true; print("DEBUG: enabled.\n"); } return false; #ifdef FAUXCLICKY_ENABLE case FC_TOG: if (record->event.pressed) { FAUXCLICKY_TOGGLE; } return false; case FC_ON: if (record->event.pressed) { FAUXCLICKY_ON; } return false; case FC_OFF: if (record->event.pressed) { FAUXCLICKY_OFF; } return false; #endif #if defined(RGBLIGHT_ENABLE) || defined(RGB_MATRIX_ENABLE) case RGB_TOG: // Split keyboards need to trigger on key-up for edge-case issue #ifndef SPLIT_KEYBOARD if (record->event.pressed) { #else if (!record->event.pressed) { #endif rgblight_toggle(); #ifdef SPLIT_KEYBOARD RGB_DIRTY = true; #endif } return false; case RGB_MODE_FORWARD: if (record->event.pressed) { uint8_t shifted = get_mods() & (MOD_BIT(KC_LSHIFT)|MOD_BIT(KC_RSHIFT)); if(shifted) { rgblight_step_reverse(); } else { rgblight_step(); } #ifdef SPLIT_KEYBOARD RGB_DIRTY = true; #endif } return false; case RGB_MODE_REVERSE: if (record->event.pressed) { uint8_t shifted = get_mods() & (MOD_BIT(KC_LSHIFT)|MOD_BIT(KC_RSHIFT)); if(shifted) { rgblight_step(); } else { rgblight_step_reverse(); } #ifdef SPLIT_KEYBOARD RGB_DIRTY = true; #endif } return false; case RGB_HUI: // Split keyboards need to trigger on key-up for edge-case issue #ifndef SPLIT_KEYBOARD if (record->event.pressed) { #else if (!record->event.pressed) { #endif rgblight_increase_hue(); #ifdef SPLIT_KEYBOARD RGB_DIRTY = true; #endif } return false; case RGB_HUD: // Split keyboards need to trigger on key-up for edge-case issue #ifndef SPLIT_KEYBOARD if (record->event.pressed) { #else if (!record->event.pressed) { #endif rgblight_decrease_hue(); #ifdef SPLIT_KEYBOARD RGB_DIRTY = true; #endif } return false; case RGB_SAI: // Split keyboards need to trigger on key-up for edge-case issue #ifndef SPLIT_KEYBOARD if (record->event.pressed) { #else if (!record->event.pressed) { #endif rgblight_increase_sat(); #ifdef SPLIT_KEYBOARD RGB_DIRTY = true; #endif } return false; case RGB_SAD: // Split keyboards need to trigger on key-up for edge-case issue #ifndef SPLIT_KEYBOARD if (record->event.pressed) { #else if (!record->event.pressed) { #endif rgblight_decrease_sat(); #ifdef SPLIT_KEYBOARD RGB_DIRTY = true; #endif } return false; case RGB_VAI: // Split keyboards need to trigger on key-up for edge-case issue #ifndef SPLIT_KEYBOARD if (record->event.pressed) { #else if (!record->event.pressed) { #endif rgblight_increase_val(); #ifdef SPLIT_KEYBOARD RGB_DIRTY = true; #endif } return false; case RGB_VAD: // Split keyboards need to trigger on key-up for edge-case issue #ifndef SPLIT_KEYBOARD if (record->event.pressed) { #else if (!record->event.pressed) { #endif rgblight_decrease_val(); #ifdef SPLIT_KEYBOARD RGB_DIRTY = true; #endif } return false; case RGB_SPI: if (record->event.pressed) { rgblight_increase_speed(); } return false; case RGB_SPD: if (record->event.pressed) { rgblight_decrease_speed(); } return false; case RGB_MODE_PLAIN: if (record->event.pressed) { rgblight_mode(1); #ifdef SPLIT_KEYBOARD RGB_DIRTY = true; #endif } return false; case RGB_MODE_BREATHE: if (record->event.pressed) { if ((2 <= rgblight_get_mode()) && (rgblight_get_mode() < 5)) { rgblight_step(); } else { rgblight_mode(2); } } return false; case RGB_MODE_RAINBOW: if (record->event.pressed) { if ((6 <= rgblight_get_mode()) && (rgblight_get_mode() < 8)) { rgblight_step(); } else { rgblight_mode(6); } } return false; case RGB_MODE_SWIRL: if (record->event.pressed) { if ((9 <= rgblight_get_mode()) && (rgblight_get_mode() < 14)) { rgblight_step(); } else { rgblight_mode(9); } } return false; case RGB_MODE_SNAKE: if (record->event.pressed) { if ((15 <= rgblight_get_mode()) && (rgblight_get_mode() < 20)) { rgblight_step(); } else { rgblight_mode(15); } } return false; case RGB_MODE_KNIGHT: if (record->event.pressed) { if ((21 <= rgblight_get_mode()) && (rgblight_get_mode() < 23)) { rgblight_step(); } else { rgblight_mode(21); } } return false; case RGB_MODE_XMAS: if (record->event.pressed) { rgblight_mode(24); } return false; case RGB_MODE_GRADIENT: if (record->event.pressed) { if ((25 <= rgblight_get_mode()) && (rgblight_get_mode() < 34)) { rgblight_step(); } else { rgblight_mode(25); } } return false; case RGB_MODE_RGBTEST: if (record->event.pressed) { rgblight_mode(35); } return false; #endif // defined(RGBLIGHT_ENABLE) || defined(RGB_MATRIX_ENABLE) #ifdef PROTOCOL_LUFA case OUT_AUTO: if (record->event.pressed) { set_output(OUTPUT_AUTO); } return false; case OUT_USB: if (record->event.pressed) { set_output(OUTPUT_USB); } return false; #ifdef BLUETOOTH_ENABLE case OUT_BT: if (record->event.pressed) { set_output(OUTPUT_BLUETOOTH); } return false; #endif #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; #ifdef AUDIO_ENABLE PLAY_SONG(ag_swap_song); #endif 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; #ifdef AUDIO_ENABLE PLAY_SONG(ag_norm_song); #endif 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; scs_timer[0] = timer_read (); 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] && timer_elapsed(scs_timer[0]) < TAPPING_TERM) { register_code(LSPO_KEY); unregister_code(LSPO_KEY); } unregister_mods(MOD_BIT(KC_LSFT)); } return false; } case KC_RSPC: { if (record->event.pressed) { shift_interrupted[1] = false; scs_timer[1] = timer_read (); 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] && timer_elapsed(scs_timer[1]) < TAPPING_TERM) { register_code(RSPC_KEY); unregister_code(RSPC_KEY); } unregister_mods(MOD_BIT(KC_RSFT)); } return false; } case KC_SFTENT: { if (record->event.pressed) { shift_interrupted[1] = false; scs_timer[1] = timer_read (); register_mods(MOD_BIT(KC_RSFT)); } else if (!shift_interrupted[1] && timer_elapsed(scs_timer[1]) < TAPPING_TERM) { unregister_mods(MOD_BIT(KC_RSFT)); register_code(SFTENT_KEY); unregister_code(SFTENT_KEY); } else { unregister_mods(MOD_BIT(KC_RSFT)); } return false; } case GRAVE_ESC: { uint8_t shifted = get_mods() & ((MOD_BIT(KC_LSHIFT)|MOD_BIT(KC_RSHIFT) |MOD_BIT(KC_LGUI)|MOD_BIT(KC_RGUI))); #ifdef GRAVE_ESC_ALT_OVERRIDE // if ALT is pressed, ESC is always sent // this is handy for the cmd+opt+esc shortcut on macOS, among other things. if (get_mods() & (MOD_BIT(KC_LALT) | MOD_BIT(KC_RALT))) { shifted = 0; } #endif #ifdef GRAVE_ESC_CTRL_OVERRIDE // if CTRL is pressed, ESC is always sent // this is handy for the ctrl+shift+esc shortcut on windows, among other things. if (get_mods() & (MOD_BIT(KC_LCTL) | MOD_BIT(KC_RCTL))) { shifted = 0; } #endif #ifdef GRAVE_ESC_GUI_OVERRIDE // if GUI is pressed, ESC is always sent if (get_mods() & (MOD_BIT(KC_LGUI) | MOD_BIT(KC_RGUI))) { shifted = 0; } #endif #ifdef GRAVE_ESC_SHIFT_OVERRIDE // if SHIFT is pressed, ESC is always sent if (get_mods() & (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT))) { shifted = 0; } #endif if (record->event.pressed) { grave_esc_was_shifted = shifted; add_key(shifted ? KC_GRAVE : KC_ESCAPE); } else { del_key(grave_esc_was_shifted ? KC_GRAVE : KC_ESCAPE); } send_keyboard_report(); return false; } #if defined(BACKLIGHT_ENABLE) && defined(BACKLIGHT_BREATHING) case BL_BRTG: { if (record->event.pressed) breathing_toggle(); return false; } #endif default: { shift_interrupted[0] = true; shift_interrupted[1] = true; break; } } return process_action_kb(record); } __attribute__ ((weak)) const bool ascii_to_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 }; __attribute__ ((weak)) const uint8_t ascii_to_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 }; void send_string(const char *str) { send_string_with_delay(str, 0); } void send_string_P(const char *str) { send_string_with_delay_P(str, 0); } void send_string_with_delay(const char *str, uint8_t interval) { while (1) { char ascii_code = *str; if (!ascii_code) break; if (ascii_code == 1) { // tap uint8_t keycode = *(++str); register_code(keycode); unregister_code(keycode); } else if (ascii_code == 2) { // down uint8_t keycode = *(++str); register_code(keycode); } else if (ascii_code == 3) { // up uint8_t keycode = *(++str); unregister_code(keycode); } else { send_char(ascii_code); } ++str; // interval { uint8_t ms = interval; while (ms--) wait_ms(1); } } } void send_string_with_delay_P(const char *str, uint8_t interval) { while (1) { char ascii_code = pgm_read_byte(str); if (!ascii_code) break; if (ascii_code == 1) { // tap uint8_t keycode = pgm_read_byte(++str); register_code(keycode); unregister_code(keycode); } else if (ascii_code == 2) { // down uint8_t keycode = pgm_read_byte(++str); register_code(keycode); } else if (ascii_code == 3) { // up uint8_t keycode = pgm_read_byte(++str); unregister_code(keycode); } else { send_char(ascii_code); } ++str; // interval { uint8_t ms = interval; while (ms--) wait_ms(1); } } } void send_char(char ascii_code) { uint8_t keycode; keycode = pgm_read_byte(&ascii_to_keycode_lut[(uint8_t)ascii_code]); if (pgm_read_byte(&ascii_to_shift_lut[(uint8_t)ascii_code])) { register_code(KC_LSFT); register_code(keycode); unregister_code(keycode); unregister_code(KC_LSFT); } else { register_code(keycode); unregister_code(keycode); } } void set_single_persistent_default_layer(uint8_t default_layer) { #if defined(AUDIO_ENABLE) && defined(DEFAULT_LAYER_SONGS) PLAY_SONG(default_layer_songs[default_layer]); #endif eeconfig_update_default_layer(1U<> 4) + 1) |= _BV(backlight_pin & 0xF); #if BACKLIGHT_ON_STATE == 0 // PORTx &= ~n _SFR_IO8((backlight_pin >> 4) + 2) &= ~_BV(backlight_pin & 0xF); #else // PORTx |= n _SFR_IO8((backlight_pin >> 4) + 2) |= _BV(backlight_pin & 0xF); #endif } __attribute__ ((weak)) void backlight_set(uint8_t level) {} uint8_t backlight_tick = 0; #ifndef BACKLIGHT_CUSTOM_DRIVER void backlight_task(void) { if ((0xFFFF >> ((BACKLIGHT_LEVELS - get_backlight_level()) * ((BACKLIGHT_LEVELS + 1) / 2))) & (1 << backlight_tick)) { #if BACKLIGHT_ON_STATE == 0 // PORTx &= ~n _SFR_IO8((backlight_pin >> 4) + 2) &= ~_BV(backlight_pin & 0xF); #else // PORTx |= n _SFR_IO8((backlight_pin >> 4) + 2) |= _BV(backlight_pin & 0xF); #endif } else { #if BACKLIGHT_ON_STATE == 0 // PORTx |= n _SFR_IO8((backlight_pin >> 4) + 2) |= _BV(backlight_pin & 0xF); #else // PORTx &= ~n _SFR_IO8((backlight_pin >> 4) + 2) &= ~_BV(backlight_pin & 0xF); #endif } backlight_tick = (backlight_tick + 1) % 16; } #endif #ifdef BACKLIGHT_BREATHING #ifndef BACKLIGHT_CUSTOM_DRIVER #error "Backlight breathing only available with hardware PWM. Please disable." #endif #endif #else // pwm through timer #define TIMER_TOP 0xFFFFU // See http://jared.geek.nz/2013/feb/linear-led-pwm static uint16_t cie_lightness(uint16_t v) { if (v <= 5243) // if below 8% of max return v / 9; // same as dividing by 900% else { uint32_t y = (((uint32_t) v + 10486) << 8) / (10486 + 0xFFFFUL); // add 16% of max and compare // to get a useful result with integer division, we shift left in the expression above // and revert what we've done again after squaring. y = y * y * y >> 8; if (y > 0xFFFFUL) // prevent overflow return 0xFFFFU; else return (uint16_t) y; } } // range for val is [0..TIMER_TOP]. PWM pin is high while the timer count is below val. static inline void set_pwm(uint16_t val) { OCRxx = val; } #ifndef BACKLIGHT_CUSTOM_DRIVER __attribute__ ((weak)) void backlight_set(uint8_t level) { if (level > BACKLIGHT_LEVELS) level = BACKLIGHT_LEVELS; if (level == 0) { // Turn off PWM control on backlight pin TCCRxA &= ~(_BV(COMxx1)); } else { // Turn on PWM control of backlight pin TCCRxA |= _BV(COMxx1); } // Set the brightness set_pwm(cie_lightness(TIMER_TOP * (uint32_t)level / BACKLIGHT_LEVELS)); } void backlight_task(void) {} #endif // BACKLIGHT_CUSTOM_DRIVER #ifdef BACKLIGHT_BREATHING #define BREATHING_NO_HALT 0 #define BREATHING_HALT_OFF 1 #define BREATHING_HALT_ON 2 #define BREATHING_STEPS 128 static uint8_t breathing_period = BREATHING_PERIOD; static uint8_t breathing_halt = BREATHING_NO_HALT; static uint16_t breathing_counter = 0; bool is_breathing(void) { return !!(TIMSK1 & _BV(TOIE1)); } #define breathing_interrupt_enable() do {TIMSK1 |= _BV(TOIE1);} while (0) #define breathing_interrupt_disable() do {TIMSK1 &= ~_BV(TOIE1);} while (0) #define breathing_min() do {breathing_counter = 0;} while (0) #define breathing_max() do {breathing_counter = breathing_period * 244 / 2;} while (0) void breathing_enable(void) { breathing_counter = 0; breathing_halt = BREATHING_NO_HALT; breathing_interrupt_enable(); } void breathing_pulse(void) { if (get_backlight_level() == 0) breathing_min(); else breathing_max(); breathing_halt = BREATHING_HALT_ON; breathing_interrupt_enable(); } void breathing_disable(void) { breathing_interrupt_disable(); // Restore backlight level 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; } void breathing_toggle(void) { if (is_breathing()) breathing_disable(); else breathing_enable(); } void breathing_period_set(uint8_t value) { if (!value) value = 1; breathing_period = value; } void breathing_period_default(void) { breathing_period_set(BREATHING_PERIOD); } void breathing_period_inc(void) { breathing_period_set(breathing_period+1); } void breathing_period_dec(void) { breathing_period_set(breathing_period-1); } /* To generate breathing curve in python: * from math import sin, pi; [int(sin(x/128.0*pi)**4*255) for x in range(128)] */ static const uint8_t breathing_table[BREATHING_STEPS] PROGMEM = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 28, 32, 36, 41, 46, 51, 57, 63, 70, 76, 83, 91, 98, 106, 113, 121, 129, 138, 146, 154, 162, 170, 178, 185, 193, 200, 207, 213, 220, 225, 231, 235, 240, 244, 247, 250, 252, 253, 254, 255, 254, 253, 252, 250, 247, 244, 240, 235, 231, 225, 220, 213, 207, 200, 193, 185, 178, 170, 162, 154, 146, 138, 129, 121, 113, 106, 98, 91, 83, 76, 70, 63, 57, 51, 46, 41, 36, 32, 28, 24, 20, 17, 15, 12, 10, 8, 6, 5, 4, 3, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; // Use this before the cie_lightness function. static inline uint16_t scale_backlight(uint16_t v) { return v / BACKLIGHT_LEVELS * get_backlight_level(); } /* Assuming a 16MHz CPU clock and a timer that resets at 64k (ICR1), the following interrupt handler will run * about 244 times per second. */ ISR(TIMER1_OVF_vect) { uint16_t interval = (uint16_t) breathing_period * 244 / BREATHING_STEPS; // resetting after one period to prevent ugly reset at overflow. breathing_counter = (breathing_counter + 1) % (breathing_period * 244); uint8_t index = breathing_counter / interval % BREATHING_STEPS; if (((breathing_halt == BREATHING_HALT_ON) && (index == BREATHING_STEPS / 2)) || ((breathing_halt == BREATHING_HALT_OFF) && (index == BREATHING_STEPS - 1))) { breathing_interrupt_disable(); } set_pwm(cie_lightness(scale_backlight((uint16_t) pgm_read_byte(&breathing_table[index]) * 0x0101U))); } #endif // BACKLIGHT_BREATHING __attribute__ ((weak)) void backlight_init_ports(void) { // Setup backlight pin as output and output to on state. // DDRx |= n _SFR_IO8((backlight_pin >> 4) + 1) |= _BV(backlight_pin & 0xF); #if BACKLIGHT_ON_STATE == 0 // PORTx &= ~n _SFR_IO8((backlight_pin >> 4) + 2) &= ~_BV(backlight_pin & 0xF); #else // PORTx |= n _SFR_IO8((backlight_pin >> 4) + 2) |= _BV(backlight_pin & 0xF); #endif // 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 /* 14.8.3: "In fast PWM mode, the compare units allow generation of PWM waveforms on the OCnx pins. Setting the COMnx1:0 bits to two will produce a non-inverted PWM [..]." "In fast PWM mode the counter is incremented until the counter value matches either one of the fixed values 0x00FF, 0x01FF, or 0x03FF (WGMn3:0 = 5, 6, or 7), the value in ICRn (WGMn3:0 = 14), or the value in OCRnA (WGMn3:0 = 15)." */ TCCRxA = _BV(COMxx1) | _BV(WGM11); // = 0b00001010; TCCRxB = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001; // Use full 16-bit resolution. Counter counts to ICR1 before reset to 0. ICRx = TIMER_TOP; backlight_init(); #ifdef BACKLIGHT_BREATHING breathing_enable(); #endif } #endif // NO_HARDWARE_PWM #else // backlight __attribute__ ((weak)) void backlight_init_ports(void) {} __attribute__ ((weak)) void backlight_set(uint8_t level) {} #endif // backlight #ifdef HD44780_ENABLED #include "hd44780.h" #endif // Functions for spitting out values // void send_dword(uint32_t number) { // this might not actually work uint16_t word = (number >> 16); send_word(word); send_word(number & 0xFFFFUL); } void send_word(uint16_t number) { uint8_t byte = number >> 8; send_byte(byte); send_byte(number & 0xFF); } void send_byte(uint8_t number) { uint8_t nibble = number >> 4; send_nibble(nibble); send_nibble(number & 0xF); } void send_nibble(uint8_t number) { switch (number) { case 0: register_code(KC_0); unregister_code(KC_0); break; case 1 ... 9: register_code(KC_1 + (number - 1)); unregister_code(KC_1 + (number - 1)); break; case 0xA ... 0xF: register_code(KC_A + (number - 0xA)); unregister_code(KC_A + (number - 0xA)); break; } } __attribute__((weak)) uint16_t hex_to_keycode(uint8_t hex) { hex = hex & 0xF; if (hex == 0x0) { return KC_0; } else if (hex < 0xA) { return KC_1 + (hex - 0x1); } else { return KC_A + (hex - 0xA); } } void api_send_unicode(uint32_t unicode) { #ifdef API_ENABLE uint8_t chunk[4]; dword_to_bytes(unicode, chunk); MT_SEND_DATA(DT_UNICODE, chunk, 5); #endif } __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<