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additional constants to improve upstream compatibility

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* a few new error constants
*  WLED_O2_ATTR - ask the compiler for stronger optimization of a single function
*  WLED_O3_ATTR (WLEDMM) optimize even more
This commit is contained in:
Frank
2025-10-25 23:43:44 +02:00
parent 4eb9f0855d
commit 4713f26bb8
5 changed files with 54 additions and 14 deletions
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6
wled00/colors.cpp
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@@ -8,7 +8,7 @@
/*
* color blend function
*/
IRAM_ATTR_YN __attribute__((hot)) uint32_t color_blend(uint32_t color1, uint32_t color2, uint_fast16_t blend, bool b16) {
uint32_t WLED_O2_ATTR IRAM_ATTR __attribute__((hot)) color_blend(uint32_t color1, uint32_t color2, uint_fast16_t blend, bool b16) {
if ((color1 == color2) || (blend == 0)) return color1; // WLEDMM
const uint_fast16_t blendmax = b16 ? 0xFFFF : 0xFF;
if(blend >= blendmax) return color2;
@@ -46,7 +46,7 @@ IRAM_ATTR_YN __attribute__((hot)) uint32_t color_blend(uint32_t color1, uint32_t
* color add function that preserves ratio
* idea: https://github.com/Aircoookie/WLED/pull/2465 by https://github.com/Proto-molecule
*/
IRAM_ATTR_YN uint32_t color_add(uint32_t c1, uint32_t c2, bool fast) // WLEDMM added IRAM_ATTR_YN
uint32_t WLED_O2_ATTR color_add(uint32_t c1, uint32_t c2, bool fast) // WLEDMM added IRAM_ATTR_YN
{
if (c2 == 0) return c1; // WLEDMM shortcut
if (c1 == 0) return c2; // WLEDMM shortcut
@@ -80,7 +80,7 @@ IRAM_ATTR_YN uint32_t color_add(uint32_t c1, uint32_t c2, bool fast) // WLEDMM
* if using "video" method the resulting color will never become black unless it is already black
*/
IRAM_ATTR_YN __attribute__((hot)) uint32_t color_fade(uint32_t c1, uint8_t amount, bool video)
uint32_t IRAM_ATTR_YN __attribute__((hot)) color_fade(uint32_t c1, uint8_t amount, bool video)
{
if (c1 == 0 || amount == 0) return 0; // black or no change
if (amount == 255) return c1;