2 #ifndef DISABLE_RGB_MATRIX_GRADIENT_UP_DOWN
4 extern const rgb_led g_rgb_leds[DRIVER_LED_TOTAL];
5 extern rgb_config_t rgb_matrix_config;
7 bool rgb_matrix_gradient_up_down(effect_params_t* params) {
8 RGB_MATRIX_USE_LIMITS(led_min, led_max);
10 HSV hsv = { 0, rgb_matrix_config.sat, rgb_matrix_config.val };
11 uint8_t scale = scale8(64, rgb_matrix_config.speed);
12 for (uint8_t i = led_min; i < led_max; i++) {
13 point_t point = g_rgb_leds[i].point;
14 // The y range will be 0..64, map this to 0..4
15 // Relies on hue being 8-bit and wrapping
16 hsv.h = rgb_matrix_config.hue + scale * (point.y >> 4);
17 RGB rgb = hsv_to_rgb(hsv);
18 rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b);
20 return led_max < DRIVER_LED_TOTAL;
22 #endif // DISABLE_RGB_MATRIX_GRADIENT_UP_DOWN