qmk-firmware/users/bbaserdem/bb-rgb.c

/* Copyright 2021 Batuhan Başerdem
 * <baserdem.batuhan@gmail.com> @bbaserdem
 *
 * 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 "bb-rgb.h"
#include "color.h"

#define X_DIV 224/2
/* Code relating to per-key RGB LED stuff
 */

// Allow hooking into the RGB matrix indications using keymap code

// Modulates the brightness of indicator
RGB helper_dimmer(uint8_t r, uint8_t g, uint8_t b) {
    RGB output;
    output.r = r / 2;
    output.g = g / 2;
    output.b = b / 2;
    return output;
}
// x range from 0-left to 224-right
// y range from 0-top  to  64-bottom
void helper_painter(uint8_t led_min, uint8_t led_max, RGB col, uint8_t side) {
    if (side == 1) {
        // Left
        for(uint8_t i = led_min; i <= led_max; i++) {
            if((g_led_config.point[i].x < X_DIV) && (g_led_config.flags[i] & LED_FLAG_INDICATOR)) {
                rgb_matrix_set_color(i, col.r, col.g, col.b);
            }
        }
    } else if (side == 2) {
        // Right
        for(uint8_t i = led_min; i <= led_max; i++) {
            if((g_led_config.point[i].x > X_DIV) && (g_led_config.flags[i] & LED_FLAG_INDICATOR)) {
                rgb_matrix_set_color(i, col.r, col.g, col.b);
            }
        }
    } else if (side == 0) {
        // Both
        for(uint8_t i = led_min; i <= led_max; i++) {
            if(g_led_config.flags[i] & LED_FLAG_INDICATOR) {
                rgb_matrix_set_color(i, col.r, col.g, col.b);
            }
        }
    }
}

// Allow to turn off global handling
__attribute__ ((weak)) bool rgb_matrix_indicators_advanced_keymap(uint8_t led_min, uint8_t led_max) {
    return false;
}
// Set RGB state depending on layer
bool rgb_matrix_indicators_advanced_user(uint8_t led_min, uint8_t led_max) {
    uint8_t thisInd = 3;
    RGB thisCol;
    // Load keymap hooks
    if(rgb_matrix_indicators_advanced_keymap(led_min, led_max)) {
        return false;
    }
    // Grab color info
    switch (get_highest_layer(layer_state)) {
        case _GAME: // Set left side as purple
            thisCol = helper_dimmer(RGB_PURPLE);
            thisInd = 1;
            break;
        case _CHAR: // Set full board as gold
            thisCol = helper_dimmer(RGB_GOLD);
            thisInd = 0;
            break;
        case _MEDI: // Set right side as pink
            thisCol = helper_dimmer(RGB_MAGENTA);
            thisInd = 2;
            break;
        case _NAVI: // Set right side as green
            thisCol = helper_dimmer(RGB_GREEN);
            thisInd = 2;
            break;
        case _SYMB: // Set right side as yellow
            thisCol = helper_dimmer(RGB_YELLOW);
            thisInd = 2;
            break;
        case _NUMB: // Set left side as blue
            thisCol = helper_dimmer(RGB_BLUE);
            thisInd = 1;
            break;
        case _FUNC: // Set left side as red
            thisCol = helper_dimmer(RGB_RED);
            thisInd = 1;
            break;
        case _MOUS: // Set left side as blue-green
            thisCol = helper_dimmer(RGB_SPRINGGREEN);
            thisInd = 1;
            break;
        case _MUSI: // Set full board as orange
            thisCol = helper_dimmer(RGB_ORANGE);
            thisInd = 0;
            break;
    }
    helper_painter(led_min, led_max, thisCol, thisInd);
    return false;
}

// Hook into shutdown code to make all perkey LED's red on hitting reset
void shutdown_rgb(void) {
    // Flash all the key LED's red on shutdown
    uint16_t timer_start = timer_read();
    rgb_matrix_set_color_all(RGB_CORAL);
    // Delay until this registers
    while(timer_elapsed(timer_start) < 250) {wait_ms(1);}
}