2 #if defined(RGB_MATRIX_KEYREACTIVE_ENABLED)
3 #ifndef DISABLE_RGB_MATRIX_SOLID_REACTIVE
5 extern rgb_config_t rgb_matrix_config;
6 extern last_hit_t g_last_hit_tracker;
8 bool rgb_matrix_solid_reactive(effect_params_t* params) {
9 RGB_MATRIX_USE_LIMITS(led_min, led_max);
11 HSV hsv = { rgb_matrix_config.hue, 255, rgb_matrix_config.val };
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 // Relies on hue being 8-bit and wrapping
15 for (uint8_t i = led_min; i < led_max; i++) {
16 RGB_MATRIX_TEST_LED_FLAGS();
17 uint16_t tick = max_tick;
18 // Reverse search to find most recent key hit
19 for (int8_t j = g_last_hit_tracker.count - 1; j >= 0; j--) {
20 if (g_last_hit_tracker.index[j] == i && g_last_hit_tracker.tick[j] < tick) {
21 tick = g_last_hit_tracker.tick[j];
26 uint16_t offset = scale16by8(tick, rgb_matrix_config.speed);
27 hsv.h = rgb_matrix_config.hue + qsub8(130, offset);
28 RGB rgb = hsv_to_rgb(hsv);
29 rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b);
31 return led_max < DRIVER_LED_TOTAL;
34 #endif // DISABLE_RGB_MATRIX_RAINBOW_MOVING_CHEVRON
35 #endif // defined(RGB_MATRIX_KEYREACTIVE_ENABLED)