137 lines
4.3 KiB
C
137 lines
4.3 KiB
C
/* Copyright 2020 zvecr<git@zvecr.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "quantum.h"
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#ifdef BACKLIGHT_ENABLE
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# include "backlight.h"
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extern backlight_config_t backlight_config;
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#else
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// Cannot use BACKLIGHT_CAPS_LOCK without backlight being enabled
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# undef BACKLIGHT_CAPS_LOCK
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#endif
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#ifndef LED_PIN_ON_STATE
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# define LED_PIN_ON_STATE 1
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#endif
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#if defined(BACKLIGHT_CAPS_LOCK)
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/** \brief Caps Lock indicator using backlight (for keyboards without dedicated LED)
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*/
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static void handle_backlight_caps_lock(led_t led_state) {
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// Use backlight as Caps Lock indicator
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uint8_t bl_toggle_lvl = 0;
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if (led_state.caps_lock && !backlight_config.enable) {
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// Turning Caps Lock ON and backlight is disabled in config
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// Toggling backlight to the brightest level
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bl_toggle_lvl = BACKLIGHT_LEVELS;
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} else if (!led_state.caps_lock && backlight_config.enable) {
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// Turning Caps Lock OFF and backlight is enabled in config
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// Toggling backlight and restoring config level
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bl_toggle_lvl = backlight_config.level;
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}
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// Set level without modify backlight_config to keep ability to restore state
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backlight_set(bl_toggle_lvl);
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}
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#endif
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/** \brief Lock LED set callback - keymap/user level
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*
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* \deprecated Use led_update_user() instead.
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*/
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__attribute__((weak)) void led_set_user(uint8_t usb_led) {}
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/** \brief Lock LED set callback - keyboard level
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*
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* \deprecated Use led_update_kb() instead.
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*/
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__attribute__((weak)) void led_set_kb(uint8_t usb_led) { led_set_user(usb_led); }
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/** \brief Lock LED update callback - keymap/user level
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*
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* \return True if led_update_kb() should run its own code, false otherwise.
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*/
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__attribute__((weak)) bool led_update_user(led_t led_state) { return true; }
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/** \brief Lock LED update callback - keyboard level
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*
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* \return Ignored for now.
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*/
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__attribute__((weak)) bool led_update_kb(led_t led_state) {
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bool res = led_update_user(led_state);
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if (res) {
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#if defined(LED_NUM_LOCK_PIN) || defined(LED_CAPS_LOCK_PIN) || defined(LED_SCROLL_LOCK_PIN) || defined(LED_COMPOSE_PIN) || defined(LED_KANA_PIN)
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# if LED_PIN_ON_STATE == 0
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// invert the whole thing to avoid having to conditionally !led_state.x later
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led_state.raw = ~led_state.raw;
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# endif
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# ifdef LED_NUM_LOCK_PIN
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writePin(LED_NUM_LOCK_PIN, led_state.num_lock);
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# endif
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# ifdef LED_CAPS_LOCK_PIN
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writePin(LED_CAPS_LOCK_PIN, led_state.caps_lock);
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# endif
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# ifdef LED_SCROLL_LOCK_PIN
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writePin(LED_SCROLL_LOCK_PIN, led_state.scroll_lock);
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# endif
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# ifdef LED_COMPOSE_PIN
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writePin(LED_COMPOSE_PIN, led_state.compose);
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# endif
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# ifdef LED_KANA_PIN
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writePin(LED_KANA_PIN, led_state.kana);
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# endif
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#endif
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}
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return res;
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}
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/** \brief Initialise any LED related hardware and/or state
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*/
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__attribute__((weak)) void led_init_ports(void) {
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#ifdef LED_NUM_LOCK_PIN
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setPinOutput(LED_NUM_LOCK_PIN);
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writePin(LED_NUM_LOCK_PIN, !LED_PIN_ON_STATE);
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#endif
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#ifdef LED_CAPS_LOCK_PIN
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setPinOutput(LED_CAPS_LOCK_PIN);
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writePin(LED_CAPS_LOCK_PIN, !LED_PIN_ON_STATE);
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#endif
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#ifdef LED_SCROLL_LOCK_PIN
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setPinOutput(LED_SCROLL_LOCK_PIN);
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writePin(LED_SCROLL_LOCK_PIN, !LED_PIN_ON_STATE);
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#endif
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#ifdef LED_COMPOSE_PIN
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setPinOutput(LED_COMPOSE_PIN);
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writePin(LED_COMPOSE_PIN, !LED_PIN_ON_STATE);
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#endif
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#ifdef LED_KANA_PIN
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setPinOutput(LED_KANA_PIN);
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writePin(LED_KANA_PIN, !LED_PIN_ON_STATE);
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#endif
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}
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/** \brief Entrypoint for protocol to LED binding
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*/
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__attribute__((weak)) void led_set(uint8_t usb_led) {
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#ifdef BACKLIGHT_CAPS_LOCK
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handle_backlight_caps_lock((led_t)usb_led);
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#endif
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led_set_kb(usb_led);
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led_update_kb((led_t)usb_led);
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}
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