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Move CTT calculation from BusPwm to Bus class.

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This enable it to other bus types.
This commit is contained in:
Robert 2023-07-17 20:54:24 +02:00 committed by Alastair D'Silva
parent 7b366d49d2
commit af3f27feae
2 changed files with 34 additions and 24 deletions
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29
wled00/bus_manager.cpp
View File

@ -11,7 +11,7 @@
//colors.cpp
uint32_t colorBalanceFromKelvin(uint16_t kelvin, uint32_t rgb);
uint16_t approximateKelvinFromRGB(uint32_t rgb);
void colorRGBtoRGBW(byte* rgb);
//udp.cpp
uint8_t realtimeBroadcast(uint8_t type, IPAddress client, uint16_t length, byte *buffer, uint8_t bri=255, bool isRGBW=false);
@ -421,29 +421,10 @@ void BusPwm::setPixelColor(uint16_t pix, uint32_t c) {
uint8_t g = G(c);
uint8_t b = B(c);
uint8_t w = W(c);
uint8_t cct = 0; //0 - full warm white, 255 - full cold white
if (_cct > -1) {
if (_cct >= 1900) cct = (_cct - 1900) >> 5;
else if (_cct < 256) cct = _cct;
} else {
cct = (approximateKelvinFromRGB(c) - 1900) >> 5;
}
uint8_t ww, cw;
#ifdef WLED_USE_IC_CCT
ww = w;
cw = cct;
#else
//0 - linear (CCT 127 = 50% warm, 50% cold), 127 - additive CCT blending (CCT 127 = 100% warm, 100% cold)
if (cct < _cctBlend) ww = 255;
else ww = ((255-cct) * 255) / (255 - _cctBlend);
if ((255-cct) < _cctBlend) cw = 255;
else cw = (cct * 255) / (255 - _cctBlend);
ww = (w * ww) / 255; //brightness scaling
cw = (w * cw) / 255;
#endif
calculateCCT(c, ww, cw);
switch (_type) {
case TYPE_ANALOG_1CH: //one channel (white), relies on auto white calculation
@ -784,4 +765,4 @@ uint8_t BusManager::numBusses = 0;
Bus* BusManager::busses[WLED_MAX_BUSSES+WLED_MIN_VIRTUAL_BUSSES];
ColorOrderMap BusManager::colorOrderMap = {};
uint16_t BusManager::_milliAmpsUsed = 0;
uint16_t BusManager::_milliAmpsMax = ABL_MILLIAMPS_DEFAULT;
uint16_t BusManager::_milliAmpsMax = ABL_MILLIAMPS_DEFAULT;

29
wled00/bus_manager.h
View File

@ -7,6 +7,9 @@
#include "const.h"
//colors.cpp
uint16_t approximateKelvinFromRGB(uint32_t rgb);
#define GET_BIT(var,bit) (((var)>>(bit))&0x01)
#define SET_BIT(var,bit) ((var)|=(uint16_t)(0x0001<<(bit)))
#define UNSET_BIT(var,bit) ((var)&=(~(uint16_t)(0x0001<<(bit))))
@ -176,6 +179,32 @@ class Bus {
if (_cctBlend > WLED_MAX_CCT_BLEND) _cctBlend = WLED_MAX_CCT_BLEND;
#endif
}
static void calculateCCT(uint32_t c, uint8_t &ww, uint8_t &cw) {
uint8_t cct = 0; //0 - full warm white, 255 - full cold white
uint8_t w = byte(c >> 24);
if (_cct > -1) {
if (_cct >= 1900) cct = (_cct - 1900) >> 5;
else if (_cct < 256) cct = _cct;
} else {
cct = (approximateKelvinFromRGB(c) - 1900) >> 5;
}
#ifdef WLED_USE_IC_CCT
ww = w;
cw = cct;
#else
//0 - linear (CCT 127 = 50% warm, 50% cold), 127 - additive CCT blending (CCT 127 = 100% warm, 100% cold)
if (cct < _cctBlend) ww = 255;
else ww = ((255-cct) * 255) / (255 - _cctBlend);
if ((255-cct) < _cctBlend) cw = 255;
else cw = (cct * 255) / (255 - _cctBlend);
ww = (w * ww) / 255; //brightness scaling
cw = (w * cw) / 255;
#endif
}
inline void setAutoWhiteMode(uint8_t m) { if (m < 5) _autoWhiteMode = m; }
inline uint8_t getAutoWhiteMode() { return _autoWhiteMode; }
inline static void setGlobalAWMode(uint8_t m) { if (m < 5) _gAWM = m; else _gAWM = AW_GLOBAL_DISABLED; }