2 #ifdef RGB_MATRIX_KEYREACTIVE_ENABLED
3 #ifndef DISABLE_RGB_MATRIX_SOLID_REACTIVE_SIMPLE
5 extern rgb_config_t rgb_matrix_config;
6 extern last_hit_t g_last_hit_tracker;
8 bool rgb_matrix_solid_reactive_simple(effect_params_t* params) {
9 RGB_MATRIX_USE_LIMITS(led_min, led_max);
11 HSV hsv = { rgb_matrix_config.hue, rgb_matrix_config.sat, 0 };
12 // Max tick based on speed scale ensures results from scale16by8 with rgb_matrix_config.speed are no greater than 255
13 uint16_t max_tick = 65535 / rgb_matrix_config.speed;
14 for (uint8_t i = led_min; i < led_max; i++) {
15 RGB_MATRIX_TEST_LED_FLAGS();
16 uint16_t tick = max_tick;
17 // Reverse search to find most recent key hit
18 for (int8_t j = g_last_hit_tracker.count - 1; j >= 0; j--) {
19 if (g_last_hit_tracker.index[j] == i && g_last_hit_tracker.tick[j] < tick) {
20 tick = g_last_hit_tracker.tick[j];
25 uint16_t offset = scale16by8(tick, rgb_matrix_config.speed);
26 hsv.v = scale8(255 - offset, rgb_matrix_config.val);
27 RGB rgb = hsv_to_rgb(hsv);
28 rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b);
30 return led_max < DRIVER_LED_TOTAL;
33 #endif // DISABLE_RGB_MATRIX_SOLID_REACTIVE_SIMPLE
34 #endif // RGB_MATRIX_KEYREACTIVE_ENABLED