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allow customizing decrease delay of rgb heatmap (#11322)

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* allow customizing decrease delay of rgb heatmap

* rename rgb typing heatmap decrease delay variable

* address review comments

* nix-shell: add clang-tools required for formatting the C code

* heatmap: use real timer to track decrement rate

* heatmap: fix ifndef var name typo

* heatmap: add docs

* Update docs/feature_rgb_matrix.md

Co-authored-by: Drashna Jaelre <drashna@live.com>

Co-authored-by: Drashna Jaelre <drashna@live.com>
This commit is contained in:
André Silva 2021-01-14 19:29:00 +00:00 committed by GitHub
parent e9f73e5454
commit 345a041cf5
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 38 additions and 2 deletions
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13
docs/feature_rgb_matrix.md
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@ -296,6 +296,19 @@ You can disable a single effect by defining `DISABLE_[EFFECT_NAME]` in your `con
|`#define DISABLE_RGB_MATRIX_SOLID_SPLASH` |Disables `RGB_MATRIX_SOLID_SPLASH` |
|`#define DISABLE_RGB_MATRIX_SOLID_MULTISPLASH` |Disables `RGB_MATRIX_SOLID_MULTISPLASH` |
### RGB Matrix Effect Typing Heatmap :id=rgb-matrix-effect-typing-heatmap
This effect will color the RGB matrix according to a heatmap of recently pressed
keys. Whenever a key is pressed its "temperature" increases as well as that of
its neighboring keys. The temperature of each key is then decreased
automatically every 25 milliseconds by default.
In order to change the delay of temperature decrease define
`RGB_MATRIX_TYPING_HEATMAP_DECREASE_DELAY_MS`:
```c
#define RGB_MATRIX_TYPING_HEATMAP_DECREASE_DELAY_MS 50
```
## Custom RGB Matrix Effects :id=custom-rgb-matrix-effects

23
quantum/rgb_matrix_animations/typing_heatmap_anim.h
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@ -2,6 +2,10 @@
RGB_MATRIX_EFFECT(TYPING_HEATMAP)
# ifdef RGB_MATRIX_CUSTOM_EFFECT_IMPLS
# ifndef RGB_MATRIX_TYPING_HEATMAP_DECREASE_DELAY_MS
# define RGB_MATRIX_TYPING_HEATMAP_DECREASE_DELAY_MS 25
# endif
void process_rgb_matrix_typing_heatmap(keyrecord_t* record) {
uint8_t row = record->event.key.row;
uint8_t col = record->event.key.col;
@ -27,6 +31,11 @@ void process_rgb_matrix_typing_heatmap(keyrecord_t* record) {
}
}
// A timer to track the last time we decremented all heatmap values.
static uint16_t heatmap_decrease_timer;
// Whether we should decrement the heatmap values during the next update.
static bool decrease_heatmap_values;
bool TYPING_HEATMAP(effect_params_t* params) {
// Modified version of RGB_MATRIX_USE_LIMITS to work off of matrix row / col size
uint8_t led_min = RGB_MATRIX_LED_PROCESS_LIMIT * params->iter;
@ -38,6 +47,18 @@ bool TYPING_HEATMAP(effect_params_t* params) {
memset(g_rgb_frame_buffer, 0, sizeof g_rgb_frame_buffer);
}
// The heatmap animation might run in several iterations depending on
// `RGB_MATRIX_LED_PROCESS_LIMIT`, therefore we only want to update the
// timer when the animation starts.
if (params->iter == 0) {
decrease_heatmap_values = timer_elapsed(heatmap_decrease_timer) >= RGB_MATRIX_TYPING_HEATMAP_DECREASE_DELAY_MS;
// Restart the timer if we are going to decrease the heatmap this frame.
if (decrease_heatmap_values) {
heatmap_decrease_timer = timer_read();
}
}
// Render heatmap & decrease
for (int i = led_min; i < led_max; i++) {
uint8_t row = i % MATRIX_ROWS;
@ -55,8 +76,10 @@ bool TYPING_HEATMAP(effect_params_t* params) {
rgb_matrix_set_color(led[j], rgb.r, rgb.g, rgb.b);
}
if (decrease_heatmap_values) {
g_rgb_frame_buffer[row][col] = qsub8(val, 1);
}
}
return led_max < sizeof(g_rgb_frame_buffer);
}

2
shell.nix
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@ -71,7 +71,7 @@ in
mkShell {
name = "qmk-firmware";
buildInputs = [ dfu-programmer dfu-util diffutils git pythonEnv ]
buildInputs = [ clang-tools dfu-programmer dfu-util diffutils git pythonEnv ]
++ lib.optional avr [
pkgsCross.avr.buildPackages.binutils
pkgsCross.avr.buildPackages.gcc8