Merge remote-tracking branch 'upstream/master'

* upstream/master: (1239 commits)
  Update ez.c
  removes planck/rev3 temporarily
  Move hand_swap_config to ez.c, removes error for infinity
  Update Makefile
  ergodox: Update algernon's keymap to v1.9
  Added VS Code dir to .gitignore
  Support the Pegasus Hoof controller.
  [Jack & Erez] Simplifies and documents TO
  add readme
  use wait_ms instead of _delay_ms
  add messenger
  init keymap
  Add example keymap
  Adding whiskey_tango_foxtrot_capslock ergodox keymap
  Unicode map framework. Allow unicode up to 0xFFFFF using separate mapping table
  CIE 1931 dim curve
  Apply the dim curve to the RGB output
  Update the Cluecard readme files
  Tune snake and knight intervals for Cluecard
  Tunable RGB light intervals
  ...

1 files changed, 170 insertions, 0 deletions

diff --git a/quantum/visualizer/led_test.c b/quantum/visualizer/led_test.c
new file mode 100644
index 0000000000..a9abace8df
--- /dev/null
+++ b/quantum/visualizer/led_test.c
@@ -0,0 +1,170 @@
+/*
+The MIT License (MIT)
+
+Copyright (c) 2016 Fred Sundvik
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+#include "led_test.h"
+#include "gfx.h"
+#include "math.h"
+
+#define CROSSFADE_TIME 1000
+#define GRADIENT_TIME 3000
+
+keyframe_animation_t led_test_animation = {
+    .num_frames = 14,
+    .loop = true,
+    .frame_lengths = {
+        gfxMillisecondsToTicks(1000), // fade in
+        gfxMillisecondsToTicks(1000), // no op (leds on)
+        gfxMillisecondsToTicks(1000), // fade out
+        gfxMillisecondsToTicks(CROSSFADE_TIME), // crossfade
+        gfxMillisecondsToTicks(GRADIENT_TIME), // left to rigt (outside in)
+        gfxMillisecondsToTicks(CROSSFADE_TIME), // crossfade
+        gfxMillisecondsToTicks(GRADIENT_TIME), // top_to_bottom
+        0,           // mirror leds
+        gfxMillisecondsToTicks(CROSSFADE_TIME), // crossfade
+        gfxMillisecondsToTicks(GRADIENT_TIME), // left_to_right (mirrored, so inside out)
+        gfxMillisecondsToTicks(CROSSFADE_TIME), // crossfade
+        gfxMillisecondsToTicks(GRADIENT_TIME), // top_to_bottom
+        0,           // normal leds
+        gfxMillisecondsToTicks(CROSSFADE_TIME), // crossfade
+
+    },
+    .frame_functions = {
+        keyframe_fade_in_all_leds,
+        keyframe_no_operation,
+        keyframe_fade_out_all_leds,
+        keyframe_led_crossfade,
+        keyframe_led_left_to_right_gradient,
+        keyframe_led_crossfade,
+        keyframe_led_top_to_bottom_gradient,
+        keyframe_mirror_led_orientation,
+        keyframe_led_crossfade,
+        keyframe_led_left_to_right_gradient,
+        keyframe_led_crossfade,
+        keyframe_led_top_to_bottom_gradient,
+        keyframe_normal_led_orientation,
+        keyframe_led_crossfade,
+    },
+};
+
+static uint8_t fade_led_color(keyframe_animation_t* animation, int from, int to) {
+    int frame_length = animation->frame_lengths[animation->current_frame];
+    int current_pos = frame_length - animation->time_left_in_frame;
+    int delta = to - from;
+    int luma = (delta * current_pos) / frame_length;
+    luma += from;
+    return luma;
+}
+
+static void keyframe_fade_all_leds_from_to(keyframe_animation_t* animation, uint8_t from, uint8_t to) {
+    uint8_t luma = fade_led_color(animation, from, to);
+    color_t color = LUMA2COLOR(luma);
+    gdispGClear(LED_DISPLAY, color);
+}
+
+// TODO: Should be customizable per keyboard
+#define NUM_ROWS 7
+#define NUM_COLS 7
+
+static uint8_t crossfade_start_frame[NUM_ROWS][NUM_COLS];
+static uint8_t crossfade_end_frame[NUM_ROWS][NUM_COLS];
+
+static uint8_t compute_gradient_color(float t, float index, float num) {
+    const float two_pi = M_2_PI;
+    float normalized_index = (1.0f - index / (num - 1.0f)) * two_pi;
+    float x = t * two_pi + normalized_index;
+    float v = 0.5 * (cosf(x) + 1.0f);
+    return (uint8_t)(255.0f * v);
+}
+
+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;
+}
+
+bool keyframe_led_left_to_right_gradient(keyframe_animation_t* animation, visualizer_state_t* state) {
+    (void)state;
+    float frame_length = animation->frame_lengths[animation->current_frame];
+    float 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;
+}
+
+bool keyframe_led_top_to_bottom_gradient(keyframe_animation_t* animation, visualizer_state_t* state) {
+    (void)state;
+    float frame_length = animation->frame_lengths[animation->current_frame];
+    float current_pos = frame_length - animation->time_left_in_frame;
+    float t = current_pos / frame_length;
+    for (int i=0; i< NUM_ROWS; i++) {
+        uint8_t color = compute_gradient_color(t, i, NUM_ROWS);
+        gdispGDrawLine(LED_DISPLAY, 0, i, NUM_COLS - 1, i, LUMA2COLOR(color));
+    }
+    return true;
+}
+
+static void copy_current_led_state(uint8_t* dest) {
+    for (int i=0;i<NUM_ROWS;i++) {
+        for (int j=0;j<NUM_COLS;j++) {
+            dest[i*NUM_COLS + j] = gdispGGetPixelColor(LED_DISPLAY, j, i);
+        }
+    }
+}
+bool keyframe_led_crossfade(keyframe_animation_t* animation, visualizer_state_t* state) {
+    (void)state;
+    if (animation->first_update_of_frame) {
+        copy_current_led_state(&crossfade_start_frame[0][0]);
+        run_next_keyframe(animation, state);
+        copy_current_led_state(&crossfade_end_frame[0][0]);
+    }
+    for (int i=0;i<NUM_ROWS;i++) {
+        for (int j=0;j<NUM_COLS;j++) {
+            color_t color  = LUMA2COLOR(fade_led_color(animation, crossfade_start_frame[i][j], crossfade_end_frame[i][j]));
+            gdispGDrawPixel(LED_DISPLAY, j, i, color);
+        }
+    }
+    return true;
+}
+
+bool keyframe_mirror_led_orientation(keyframe_animation_t* animation, visualizer_state_t* state) {
+    (void)state;
+    (void)animation;
+    gdispGSetOrientation(LED_DISPLAY, GDISP_ROTATE_180);
+    return false;
+}
+
+bool keyframe_normal_led_orientation(keyframe_animation_t* animation, visualizer_state_t* state) {
+    (void)state;
+    (void)animation;
+    gdispGSetOrientation(LED_DISPLAY, GDISP_ROTATE_0);
+    return false;
+}