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90 lines
3.1 KiB
90 lines
3.1 KiB
/*
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The MIT License (MIT)
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Copyright (c) 2016 Fred Sundvik
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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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 = 4,
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.loop = true,
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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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static void keyframe_fade_all_leds_from_to(keyframe_animation_t* animation, uint8_t from, uint8_t to) {
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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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int delta = to - from;
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int luma = (delta * current_pos) / frame_length;
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luma += from;
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color_t color = LUMA2COLOR(luma);
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gdispGClear(LED_DISPLAY, color);
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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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return true;
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}
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bool keyframe_fade_out_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, 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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}
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