diff options
| -rw-r--r-- | led_test.c | 34 | ||||
| -rw-r--r-- | led_test.h | 1 |
2 files changed, 33 insertions, 2 deletions
diff --git a/led_test.c b/led_test.c index 1fba32fa0..197550fdd 100644 --- a/led_test.c +++ b/led_test.c @@ -23,15 +23,21 @@ SOFTWARE. */ #include "led_test.h" #include "gfx.h" +#include "math.h" keyframe_animation_t led_test_animation = { - .num_frames = 3, + .num_frames = 4, .loop = true, - .frame_lengths = {MS2ST(1000), MS2ST(1000), MS2ST(1000)}, + .frame_lengths = { + MS2ST(1000), + MS2ST(1000), + MS2ST(1000), + MS2ST(3000)}, .frame_functions = { keyframe_fade_in_all_leds, keyframe_no_operation, keyframe_fade_out_all_leds, + keyframe_led_left_to_right_gradient, }, }; @@ -46,6 +52,18 @@ static void keyframe_fade_all_leds_from_to(keyframe_animation_t* animation, uint gdispGFlush(LED_DISPLAY); } +// TODO: Should be customizable per keyboard +#define NUM_ROWS 7 +#define NUM_COLS 7 + +static uint8_t compute_gradient_color(float t, float index, float num) { + float d = fabs(index - t); + if (d > num / 2.0f) { + d = num - d; + } + return (uint8_t)(255.0f * d); +} + bool keyframe_fade_in_all_leds(keyframe_animation_t* animation, visualizer_state_t* state) { (void)state; keyframe_fade_all_leds_from_to(animation, 0, 255); @@ -57,3 +75,15 @@ bool keyframe_fade_out_all_leds(keyframe_animation_t* animation, visualizer_stat keyframe_fade_all_leds_from_to(animation, 255, 0); return true; } + +bool keyframe_led_left_to_right_gradient(keyframe_animation_t* animation, visualizer_state_t* state) { + (void)state; + int frame_length = animation->frame_lengths[animation->current_frame]; + int current_pos = frame_length - animation->time_left_in_frame; + float t = current_pos / frame_length; + for (int i=0; i< NUM_COLS; i++) { + uint8_t color = compute_gradient_color(t, i, NUM_COLS); + gdispGDrawLine(LED_DISPLAY, i, 0, i, NUM_ROWS - 1, LUMA2COLOR(color)); + } + return true; +} diff --git a/led_test.h b/led_test.h index a722cd9fe..03737a717 100644 --- a/led_test.h +++ b/led_test.h @@ -29,6 +29,7 @@ SOFTWARE. bool keyframe_fade_in_all_leds(keyframe_animation_t* animation, visualizer_state_t* state); bool keyframe_fade_out_all_leds(keyframe_animation_t* animation, visualizer_state_t* state); +bool keyframe_led_left_to_right_gradient(keyframe_animation_t* animation, visualizer_state_t* state); extern keyframe_animation_t led_test_animation; |