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