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Add fade out for the led test

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This commit is contained in:
Fred Sundvik 2016-04-24 14:10:01 +03:00
parent c95b17b536
commit a960a1b006
2 changed files with 20 additions and 5 deletions
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24
led_test.c
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@ -25,21 +25,35 @@ SOFTWARE.
#include "gfx.h"
keyframe_animation_t led_test_animation = {
.num_frames = 1,
.num_frames = 3,
.loop = true,
.frame_lengths = {MS2ST(1000)},
.frame_lengths = {MS2ST(1000), MS2ST(1000), MS2ST(1000)},
.frame_functions = {
keyframe_fade_in_all_leds,
keyframe_no_operation,
keyframe_fade_out_all_leds,
},
};
bool keyframe_fade_in_all_leds(keyframe_animation_t* animation, visualizer_state_t* state) {
(void)state;
static void keyframe_fade_all_leds_from_to(keyframe_animation_t* animation, uint8_t from, uint8_t to) {
int frame_length = animation->frame_lengths[animation->current_frame];
int current_pos = frame_length - animation->time_left_in_frame;
uint8_t luma = 0x255 * current_pos / frame_length;
int delta = to - from;
int luma = (delta * current_pos) / frame_length;
luma += from;
color_t color = LUMA2COLOR(luma);
gdispGClear(LED_DISPLAY, color);
gdispGFlush(LED_DISPLAY);
}
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);
return true;
}
bool keyframe_fade_out_all_leds(keyframe_animation_t* animation, visualizer_state_t* state) {
(void)state;
keyframe_fade_all_leds_from_to(animation, 255, 0);
return true;
}

1
led_test.h
View File

@ -28,6 +28,7 @@ SOFTWARE.
#include "visualizer.h"
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);
extern keyframe_animation_t led_test_animation;