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| author | Marius Renner <ragingcactus@ragingcactus.net> | 2022-09-19 20:34:29 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-09-19 19:34:29 +0100 |
| commit | 652d1d8a6d0a98ab2cff285dc46b91b702adedc6 (patch) | |
| tree | 792205349f6cfb074e1d646694d23ac9ee029d02 | |
| parent | 89df40d4f340311e64189de45770879257c867f3 (diff) | |
| download | qmk_firmware-652d1d8a6d0a98ab2cff285dc46b91b702adedc6.tar.gz qmk_firmware-652d1d8a6d0a98ab2cff285dc46b91b702adedc6.zip | |
Fix int8_t overflow in RGB heatmap effect (#18410)
| -rw-r--r-- | quantum/rgb_matrix/animations/typing_heatmap_anim.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/quantum/rgb_matrix/animations/typing_heatmap_anim.h b/quantum/rgb_matrix/animations/typing_heatmap_anim.h index a05c07760e..00d137f1a6 100644 --- a/quantum/rgb_matrix/animations/typing_heatmap_anim.h +++ b/quantum/rgb_matrix/animations/typing_heatmap_anim.h @@ -29,7 +29,7 @@ void process_rgb_matrix_typing_heatmap(uint8_t row, uint8_t col) { if (i_row == row && i_col == col) { g_rgb_frame_buffer[row][col] = qadd8(g_rgb_frame_buffer[row][col], 32); } else { -# define LED_DISTANCE(led_a, led_b) sqrt16(((int8_t)(led_a.x - led_b.x) * (int8_t)(led_a.x - led_b.x)) + ((int8_t)(led_a.y - led_b.y) * (int8_t)(led_a.y - led_b.y))) +# define LED_DISTANCE(led_a, led_b) sqrt16(((int16_t)(led_a.x - led_b.x) * (int16_t)(led_a.x - led_b.x)) + ((int16_t)(led_a.y - led_b.y) * (int16_t)(led_a.y - led_b.y))) uint8_t distance = LED_DISTANCE(g_led_config.point[g_led_config.matrix_co[row][col]], g_led_config.point[g_led_config.matrix_co[i_row][i_col]]); # undef LED_DISTANCE if (distance <= RGB_MATRIX_TYPING_HEATMAP_SPREAD) { |