/* Copyright 2020 zvecr<git@zvecr.com> * * 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 <http://www.gnu.org/licenses/>. */ #include "quantum.h" #ifdef BACKLIGHT_ENABLE # include "backlight.h" extern backlight_config_t backlight_config; #else // Cannot use BACKLIGHT_CAPS_LOCK without backlight being enabled # undef BACKLIGHT_CAPS_LOCK #endif #ifndef LED_PIN_ON_STATE # define LED_PIN_ON_STATE 1 #endif #if defined(BACKLIGHT_CAPS_LOCK) /** \brief Caps Lock indicator using backlight (for keyboards without dedicated LED) */ static void handle_backlight_caps_lock(led_t led_state) { // Use backlight as Caps Lock indicator uint8_t bl_toggle_lvl = 0; if (led_state.caps_lock && !backlight_config.enable) { // Turning Caps Lock ON and backlight is disabled in config // Toggling backlight to the brightest level bl_toggle_lvl = BACKLIGHT_LEVELS; } else if (!led_state.caps_lock && backlight_config.enable) { // Turning Caps Lock OFF and backlight is enabled in config // Toggling backlight and restoring config level bl_toggle_lvl = backlight_config.level; } // Set level without modify backlight_config to keep ability to restore state backlight_set(bl_toggle_lvl); } #endif /** \brief Lock LED set callback - keymap/user level * * \deprecated Use led_update_user() instead. */ __attribute__((weak)) void led_set_user(uint8_t usb_led) {} /** \brief Lock LED set callback - keyboard level * * \deprecated Use led_update_kb() instead. */ __attribute__((weak)) void led_set_kb(uint8_t usb_led) { led_set_user(usb_led); } /** \brief Lock LED update callback - keymap/user level * * \return True if led_update_kb() should run its own code, false otherwise. */ __attribute__((weak)) bool led_update_user(led_t led_state) { return true; } /** \brief Lock LED update callback - keyboard level * * \return Ignored for now. */ __attribute__((weak)) bool led_update_kb(led_t led_state) { bool res = led_update_user(led_state); if (res) { #if defined(LED_NUM_LOCK_PIN) || defined(LED_CAPS_LOCK_PIN) || defined(LED_SCROLL_LOCK_PIN) || defined(LED_COMPOSE_PIN) || defined(LED_KANA_PIN) # if LED_PIN_ON_STATE == 0 // invert the whole thing to avoid having to conditionally !led_state.x later led_state.raw = ~led_state.raw; # endif # ifdef LED_NUM_LOCK_PIN writePin(LED_NUM_LOCK_PIN, led_state.num_lock); # endif # ifdef LED_CAPS_LOCK_PIN writePin(LED_CAPS_LOCK_PIN, led_state.caps_lock); # endif # ifdef LED_SCROLL_LOCK_PIN writePin(LED_SCROLL_LOCK_PIN, led_state.scroll_lock); # endif # ifdef LED_COMPOSE_PIN writePin(LED_COMPOSE_PIN, led_state.compose); # endif # ifdef LED_KANA_PIN writePin(LED_KANA_PIN, led_state.kana); # endif #endif } return res; } /** \brief Initialise any LED related hardware and/or state */ __attribute__((weak)) void led_init_ports(void) { #ifdef LED_NUM_LOCK_PIN setPinOutput(LED_NUM_LOCK_PIN); writePin(LED_NUM_LOCK_PIN, !LED_PIN_ON_STATE); #endif #ifdef LED_CAPS_LOCK_PIN setPinOutput(LED_CAPS_LOCK_PIN); writePin(LED_CAPS_LOCK_PIN, !LED_PIN_ON_STATE); #endif #ifdef LED_SCROLL_LOCK_PIN setPinOutput(LED_SCROLL_LOCK_PIN); writePin(LED_SCROLL_LOCK_PIN, !LED_PIN_ON_STATE); #endif #ifdef LED_COMPOSE_PIN setPinOutput(LED_COMPOSE_PIN); writePin(LED_COMPOSE_PIN, !LED_PIN_ON_STATE); #endif #ifdef LED_KANA_PIN setPinOutput(LED_KANA_PIN); writePin(LED_KANA_PIN, !LED_PIN_ON_STATE); #endif } /** \brief Entrypoint for protocol to LED binding */ __attribute__((weak)) void led_set(uint8_t usb_led) { #ifdef BACKLIGHT_CAPS_LOCK handle_backlight_caps_lock((led_t)usb_led); #endif led_set_kb(usb_led); led_update_kb((led_t)usb_led); }