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-rw-r--r--docs/feature_rgb_matrix.md13
-rw-r--r--quantum/rgb_matrix/animations/typing_heatmap_anim.h5
2 files changed, 12 insertions, 6 deletions
diff --git a/docs/feature_rgb_matrix.md b/docs/feature_rgb_matrix.md
index a8793be328..b2fc61e51e 100644
--- a/docs/feature_rgb_matrix.md
+++ b/docs/feature_rgb_matrix.md
@@ -657,18 +657,19 @@ You can enable a single effect by defining `ENABLE_[EFFECT_NAME]` in your `confi
### 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.
+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`:
+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
```
+Heatmap effect may not light up the correct adjacent LEDs for certain key matrix layout such as split keyboards. The following define will limit the effect to pressed keys only:
+```c
+#define RGB_MATRIX_TYPING_HEATMAP_SLIM
+```
+
## Custom RGB Matrix Effects :id=custom-rgb-matrix-effects
By setting `RGB_MATRIX_CUSTOM_USER = yes` in `rules.mk`, new effects can be defined directly from your keymap or userspace, without having to edit any QMK core files. To declare new effects, create a `rgb_matrix_user.inc` file in the user keymap directory or userspace folder.
diff --git a/quantum/rgb_matrix/animations/typing_heatmap_anim.h b/quantum/rgb_matrix/animations/typing_heatmap_anim.h
index f3a94280c0..4b17c4c3ed 100644
--- a/quantum/rgb_matrix/animations/typing_heatmap_anim.h
+++ b/quantum/rgb_matrix/animations/typing_heatmap_anim.h
@@ -7,6 +7,10 @@ RGB_MATRIX_EFFECT(TYPING_HEATMAP)
# endif
void process_rgb_matrix_typing_heatmap(uint8_t row, uint8_t col) {
+# ifdef RGB_MATRIX_TYPING_HEATMAP_SLIM
+ // Limit effect to pressed keys
+ g_rgb_frame_buffer[row][col] = qadd8(g_rgb_frame_buffer[row][col], 32);
+# else
uint8_t m_row = row - 1;
uint8_t p_row = row + 1;
uint8_t m_col = col - 1;
@@ -27,6 +31,7 @@ void process_rgb_matrix_typing_heatmap(uint8_t row, uint8_t col) {
g_rgb_frame_buffer[m_row][col] = qadd8(g_rgb_frame_buffer[m_row][col], 16);
if (p_col < MATRIX_COLS) g_rgb_frame_buffer[m_row][p_col] = qadd8(g_rgb_frame_buffer[m_row][p_col], 13);
}
+# endif
}
// A timer to track the last time we decremented all heatmap values.