qmk-firmware/users/drashna/rgb_matrix_stuff.c

/* Copyright 2020 Christopher Courtney, aka Drashna Jael're  (@drashna) <drashna@live.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 "drashna.h"
#include "rgb_matrix.h"
#include "lib/lib8tion/lib8tion.h"
extern led_config_t g_led_config;

static uint32_t hypno_timer;
#if defined(SPLIT_KEYBOARD) || defined(KEYBOARD_ergodox_ez) || defined(KEYBOARD_crkbd)
#    define RGB_MATRIX_REST_MODE RGB_MATRIX_CYCLE_OUT_IN_DUAL
#else
#    define RGB_MATRIX_REST_MODE RGB_MATRIX_CYCLE_OUT_IN
#endif

void rgb_matrix_layer_helper(uint8_t hue, uint8_t sat, uint8_t val, uint8_t mode, uint8_t speed, uint8_t led_type, uint8_t led_min, uint8_t led_max) {
    HSV hsv = {hue, sat, val};
    if (hsv.v > rgb_matrix_get_val()) {
        hsv.v = rgb_matrix_get_val();
    }

    switch (mode) {
        case 1:  // breathing
        {
            uint16_t time = scale16by8(g_rgb_timer, speed / 8);
            hsv.v         = scale8(abs8(sin8(time) - 128) * 2, hsv.v);
            RGB rgb       = hsv_to_rgb(hsv);
            for (uint8_t i = 0; i < DRIVER_LED_TOTAL; i++) {
                if (HAS_FLAGS(g_led_config.flags[i], led_type)) {
                    RGB_MATRIX_INDICATOR_SET_COLOR(i, rgb.r, rgb.g, rgb.b);
                }
            }
            break;
        }
        default:  // Solid Color
        {
            RGB rgb = hsv_to_rgb(hsv);
            for (uint8_t i = 0; i < DRIVER_LED_TOTAL; i++) {
                if (HAS_FLAGS(g_led_config.flags[i], led_type)) {
                    RGB_MATRIX_INDICATOR_SET_COLOR(i, rgb.r, rgb.g, rgb.b);
                }
            }
            break;
        }
    }
}

__attribute__((weak)) void rgb_matrix_indicator_keymap(void) {}

void matrix_scan_rgb_matrix(void) {
#if defined(RGB_MATRIX_FRAMEBUFFER_EFFECTS)
    if (userspace_config.rgb_matrix_idle_anim && rgb_matrix_get_mode() == RGB_MATRIX_TYPING_HEATMAP && timer_elapsed32(hypno_timer) > 15000) {
        rgb_matrix_mode_noeeprom(RGB_MATRIX_REST_MODE);
    }
#endif
    rgb_matrix_indicator_keymap();
}

void keyboard_post_init_rgb_matrix(void) {
#if defined(RGB_MATRIX_FRAMEBUFFER_EFFECTS)
    if (userspace_config.rgb_matrix_idle_anim) {
        rgb_matrix_mode_noeeprom(RGB_MATRIX_REST_MODE);
    }
#endif
}

bool process_record_user_rgb_matrix(uint16_t keycode, keyrecord_t *record) {
#if defined(RGB_MATRIX_FRAMEBUFFER_EFFECTS)
    hypno_timer = timer_read32();
    if (userspace_config.rgb_matrix_idle_anim && rgb_matrix_get_mode() == RGB_MATRIX_REST_MODE) {
        rgb_matrix_mode_noeeprom(RGB_MATRIX_TYPING_HEATMAP);
    }
#endif
    switch (keycode) {
        case RGB_IDL:  // This allows me to use underglow as layer indication, or as normal
#if defined(RGB_MATRIX_ENABLE) && defined(RGB_MATRIX_FRAMEBUFFER_EFFECTS)
            if (record->event.pressed) {
                userspace_config.rgb_matrix_idle_anim ^= 1;
                dprintf("RGB Matrix Idle Animation [EEPROM]: %u\n", userspace_config.rgb_matrix_idle_anim);
                eeconfig_update_user(userspace_config.raw);
                if (userspace_config.rgb_matrix_idle_anim) {
                    rgb_matrix_mode_noeeprom(RGB_MATRIX_TYPING_HEATMAP);
                }
            }
#endif
            break;
    }
    return true;
}