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CCT transitions

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This commit is contained in:
cschwinne 2021-11-27 01:33:48 +01:00
parent ba8a00764a
commit 624993fc89
4 changed files with 35 additions and 24 deletions
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46
wled00/FX.h
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@ -247,36 +247,44 @@ class WS2812FX {
// segment parameters
public:
typedef struct Segment { // 31 (32 in memory) bytes
typedef struct Segment { // 30 (32 in memory) bytes
uint16_t start;
uint16_t stop; //segment invalid if stop == 0
uint16_t offset;
uint8_t speed;
uint8_t intensity;
uint8_t palette;
uint8_t mode;
uint8_t options; //bit pattern: msb first: transitional needspixelstate tbd tbd (paused) on reverse selected
uint8_t grouping, spacing;
uint8_t opacity;
uint8_t speed;
uint8_t intensity;
uint8_t palette;
uint8_t mode;
uint8_t options; //bit pattern: msb first: transitional needspixelstate tbd tbd (paused) on reverse selected
uint8_t grouping, spacing;
uint8_t opacity;
uint32_t colors[NUM_COLORS];
uint16_t cct; //0==1900K, 255==10091K, or Kelvin value >=1900
uint8_t cct; //0==1900K, 255==10091K
char *name;
bool setColor(uint8_t slot, uint32_t c, uint8_t segn) { //returns true if changed
if (slot >= NUM_COLORS || segn >= MAX_NUM_SEGMENTS) return false;
if (c == colors[slot]) return false;
ColorTransition::startTransition(opacity, colors[slot], instance->_transitionDur, segn, slot);
uint8_t b = (slot == 1) ? cct : opacity;
ColorTransition::startTransition(b, colors[slot], instance->_transitionDur, segn, slot);
colors[slot] = c; return true;
}
void setCCT(uint16_t k, uint8_t segn) {
if (segn >= MAX_NUM_SEGMENTS) return;
if (k > 255) { //kelvin value, convert to 0-255
if (k < 1900) k = 1900;
if (k > 10091) k = 10091;
k = (k - 1900) >> 5;
}
if (cct == k) return;
ColorTransition::startTransition(cct, colors[1], instance->_transitionDur, segn, 1);
cct = k;
}
void setOpacity(uint8_t o, uint8_t segn) {
if (segn >= MAX_NUM_SEGMENTS) return;
if (opacity == o) return;
ColorTransition::startTransition(opacity, colors[0], instance->_transitionDur, segn, 0);
opacity = o;
}
/*uint8_t actualOpacity() { //respects On/Off state
if (!getOption(SEG_OPTION_ON)) return 0;
return opacity;
}*/
void setOption(uint8_t n, bool val, uint8_t segn = 255)
{
bool prevOn = false;
@ -446,7 +454,7 @@ class WS2812FX {
if (t.segment == s) //this is an active transition on the same segment+color
{
bool wasTurningOff = (oldBri == 0);
t.briOld = t.currentBri(wasTurningOff);
t.briOld = t.currentBri(wasTurningOff, slot);
t.colorOld = t.currentColor(oldCol);
} else {
t.briOld = oldBri;
@ -478,11 +486,15 @@ class WS2812FX {
uint32_t currentColor(uint32_t colorNew) {
return instance->color_blend(colorOld, colorNew, progress(true), true);
}
uint8_t currentBri(bool turningOff = false) {
uint8_t currentBri(bool turningOff = false, uint8_t slot = 0) {
uint8_t segn = segment & 0x3F;
if (segn >= MAX_NUM_SEGMENTS) return 0;
uint8_t briNew = instance->_segments[segn].opacity;
if (!instance->_segments[segn].getOption(SEG_OPTION_ON) || turningOff) briNew = 0;
if (slot == 0) {
if (!instance->_segments[segn].getOption(SEG_OPTION_ON) || turningOff) briNew = 0;
} else { //transition slot 1 brightness for CCT transition
briNew = instance->_segments[segn].cct;
}
uint32_t prog = progress() + 1;
return ((briNew * prog) + (briOld * (0x10000 - prog))) >> 16;
}

4
wled00/FX_fcn.cpp
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@ -138,15 +138,17 @@ void WS2812FX::service() {
if (!SEGMENT.getOption(SEG_OPTION_FREEZE)) { //only run effect function if not frozen
_virtualSegmentLength = SEGMENT.virtualLength();
if (!cctFromRgb || correctWB) busses.setSegmentCCT(SEGMENT.cct, correctWB);
_bri_t = SEGMENT.opacity; _colors_t[0] = SEGMENT.colors[0]; _colors_t[1] = SEGMENT.colors[1]; _colors_t[2] = SEGMENT.colors[2];
uint8_t _cct_t = SEGMENT.cct;
if (!IS_SEGMENT_ON) _bri_t = 0;
for (uint8_t t = 0; t < MAX_NUM_TRANSITIONS; t++) {
if ((transitions[t].segment & 0x3F) != i) continue;
uint8_t slot = transitions[t].segment >> 6;
if (slot == 0) _bri_t = transitions[t].currentBri();
if (slot == 1) _cct_t = transitions[t].currentBri(false, 1);
_colors_t[slot] = transitions[t].currentColor(SEGMENT.colors[slot]);
}
if (!cctFromRgb || correctWB) busses.setSegmentCCT(_cct_t, correctWB);
for (uint8_t c = 0; c < 3; c++) _colors_t[c] = gamma32(_colors_t[c]);
handle_palette();
delay = (this->*_mode[SEGMENT.mode])(); //effect function

7
wled00/bus_manager.h
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@ -560,11 +560,8 @@ class BusManager {
}
void setSegmentCCT(int16_t cct, bool allowWBCorrection = false) {
if (cct > 255) { //kelvin value, convert to 0-255
if (cct < 1900) cct = 1900;
if (cct > 10091) cct = 10091;
if (!allowWBCorrection) cct = (cct - 1900) >> 5;
} else if (cct > -1) {
if (cct > 255) cct = 255;
if (cct >= 0) {
//if white balance correction allowed, save as kelvin value instead of 0-255
if (allowWBCorrection) cct = 1900 + (cct << 5);
} else cct = -1;

2
wled00/json.cpp
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@ -86,7 +86,7 @@ void deserializeSegment(JsonObject elem, byte it, byte presetId)
if (elem["on"].is<const char*>() && elem["on"].as<const char*>()[0] == 't') on = !on;
seg.setOption(SEG_OPTION_ON, on, id);
seg.cct = elem["cct"] | seg.cct;
seg.setCCT(elem["cct"] | seg.cct, id);
JsonArray colarr = elem["col"];
if (!colarr.isNull())