/* WS2812FX_fcn.cpp contains all utility functions Harm Aldick - 2016 www.aldick.org LICENSE The MIT License (MIT) Copyright (c) 2016 Harm Aldick Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Modified heavily for WLED */ #include "wled.h" #include "FX.h" #include "palettes.h" /* Custom per-LED mapping has moved! Create a file "ledmap.json" using the edit page. this is just an example (30 LEDs). It will first set all even, then all uneven LEDs. {"map":[ 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29]} another example. Switches direction every 5 LEDs. {"map":[ 0, 1, 2, 3, 4, 9, 8, 7, 6, 5, 10, 11, 12, 13, 14, 19, 18, 17, 16, 15, 20, 21, 22, 23, 24, 29, 28, 27, 26, 25]} */ //factory defaults LED setup //#define PIXEL_COUNTS 30, 30, 30, 30 //#define DATA_PINS 16, 1, 3, 4 //#define DEFAULT_LED_TYPE TYPE_WS2812_RGB #ifndef PIXEL_COUNTS #define PIXEL_COUNTS DEFAULT_LED_COUNT #endif #ifndef DATA_PINS #define DATA_PINS LEDPIN #endif #ifndef DEFAULT_LED_TYPE #define DEFAULT_LED_TYPE TYPE_WS2812_RGB #endif #ifndef DEFAULT_LED_COLOR_ORDER #define DEFAULT_LED_COLOR_ORDER COL_ORDER_GRB //default to GRB #endif #if MAX_NUM_SEGMENTS < WLED_MAX_BUSSES #error "Max segments must be at least max number of busses!" #endif /////////////////////////////////////////////////////////////////////////////// // Segment class implementation /////////////////////////////////////////////////////////////////////////////// uint16_t Segment::_usedSegmentData = 0U; // amount of RAM all segments use for their data[] uint16_t Segment::maxWidth = DEFAULT_LED_COUNT; uint16_t Segment::maxHeight = 1; CRGBPalette16 Segment::_randomPalette = CRGBPalette16(DEFAULT_COLOR); CRGBPalette16 Segment::_newRandomPalette = CRGBPalette16(DEFAULT_COLOR); unsigned long Segment::_lastPaletteChange = 0; // perhaps it should be per segment // copy constructor Segment::Segment(const Segment &orig) { //DEBUG_PRINTLN(F("-- Copy segment constructor --")); memcpy((void*)this, (void*)&orig, sizeof(Segment)); transitional = false; // copied segment cannot be in transition name = nullptr; data = nullptr; _dataLen = 0; _t = nullptr; if (orig.name) { name = new char[strlen(orig.name)+1]; if (name) strcpy(name, orig.name); } if (orig.data) { if (allocateData(orig._dataLen)) memcpy(data, orig.data, orig._dataLen); } //if (orig._t) { _t = new Transition(orig._t->_dur, orig._t->_briT, orig._t->_cctT, orig._t->_colorT); } } // move constructor Segment::Segment(Segment &&orig) noexcept { //DEBUG_PRINTLN(F("-- Move segment constructor --")); memcpy((void*)this, (void*)&orig, sizeof(Segment)); orig.transitional = false; // old segment cannot be in transition any more orig.name = nullptr; orig.data = nullptr; orig._dataLen = 0; orig._t = nullptr; } // copy assignment Segment& Segment::operator= (const Segment &orig) { //DEBUG_PRINTLN(F("-- Copying segment --")); if (this != &orig) { // clean destination transitional = false; // copied segment cannot be in transition if (name) delete[] name; if (_t) delete _t; deallocateData(); // copy source memcpy((void*)this, (void*)&orig, sizeof(Segment)); transitional = false; // erase pointers to allocated data name = nullptr; data = nullptr; _dataLen = 0; _t = nullptr; // copy source data if (orig.name) { name = new char[strlen(orig.name)+1]; if (name) strcpy(name, orig.name); } if (orig.data) { if (allocateData(orig._dataLen)) memcpy(data, orig.data, orig._dataLen); } //if (orig._t) { _t = new Transition(orig._t->_dur, orig._t->_briT, orig._t->_cctT, orig._t->_colorT); } } return *this; } // move assignment Segment& Segment::operator= (Segment &&orig) noexcept { //DEBUG_PRINTLN(F("-- Moving segment --")); if (this != &orig) { transitional = false; // just temporary if (name) { delete[] name; name = nullptr; } // free old name deallocateData(); // free old runtime data if (_t) { delete _t; _t = nullptr; } memcpy((void*)this, (void*)&orig, sizeof(Segment)); orig.transitional = false; // old segment cannot be in transition orig.name = nullptr; orig.data = nullptr; orig._dataLen = 0; orig._t = nullptr; } return *this; } bool Segment::allocateData(size_t len) { if (data && _dataLen == len) return true; //already allocated deallocateData(); if (Segment::getUsedSegmentData() + len > MAX_SEGMENT_DATA) return false; //not enough memory // do not use SPI RAM on ESP32 since it is slow data = (byte*) malloc(len); if (!data) return false; //allocation failed Segment::addUsedSegmentData(len); _dataLen = len; memset(data, 0, len); return true; } void Segment::deallocateData() { if (!data) return; free(data); data = nullptr; Segment::addUsedSegmentData(-_dataLen); _dataLen = 0; } /** * If reset of this segment was requested, clears runtime * settings of this segment. * Must not be called while an effect mode function is running * because it could access the data buffer and this method * may free that data buffer. */ void Segment::resetIfRequired() { if (!reset) return; DEBUG_PRINTLN(F("-- Segment reset.")); startTransition(0); // stop pending transition deallocateData(); next_time = 0; step = 0; call = 0; aux0 = 0; aux1 = 0; reset = false; } CRGBPalette16 &Segment::loadPalette(CRGBPalette16 &targetPalette, uint8_t pal) { if (pal < 245 && pal > GRADIENT_PALETTE_COUNT+13) pal = 0; if (pal > 245 && (strip.customPalettes.size() == 0 || 255U-pal > strip.customPalettes.size()-1)) pal = 0; //default palette. Differs depending on effect if (pal == 0) switch (mode) { case FX_MODE_FIRE_2012 : pal = 35; break; // heat palette case FX_MODE_COLORWAVES : pal = 26; break; // landscape 33 case FX_MODE_FILLNOISE8 : pal = 9; break; // ocean colors case FX_MODE_NOISE16_1 : pal = 20; break; // Drywet case FX_MODE_NOISE16_2 : pal = 43; break; // Blue cyan yellow case FX_MODE_NOISE16_3 : pal = 35; break; // heat palette case FX_MODE_NOISE16_4 : pal = 26; break; // landscape 33 case FX_MODE_GLITTER : pal = 11; break; // rainbow colors case FX_MODE_SUNRISE : pal = 35; break; // heat palette case FX_MODE_RAILWAY : pal = 3; break; // prim + sec case FX_MODE_2DSOAP : pal = 11; break; // rainbow colors } switch (pal) { case 0: //default palette. Exceptions for specific effects above targetPalette = PartyColors_p; break; case 1: {//periodically replace palette with a random one. Transition palette change in 500ms unsigned long timeSinceLastChange = millis() - _lastPaletteChange; if (timeSinceLastChange > randomPaletteChangeTime * 1000U) { _randomPalette = _newRandomPalette; _newRandomPalette = CRGBPalette16( CHSV(random8(), random8(160, 255), random8(128, 255)), CHSV(random8(), random8(160, 255), random8(128, 255)), CHSV(random8(), random8(160, 255), random8(128, 255)), CHSV(random8(), random8(160, 255), random8(128, 255))); _lastPaletteChange = millis(); handleRandomPalette(); // do a 1st pass of blend } targetPalette = _randomPalette; break;} case 2: {//primary color only CRGB prim = gamma32(colors[0]); targetPalette = CRGBPalette16(prim); break;} case 3: {//primary + secondary CRGB prim = gamma32(colors[0]); CRGB sec = gamma32(colors[1]); targetPalette = CRGBPalette16(prim,prim,sec,sec); break;} case 4: {//primary + secondary + tertiary CRGB prim = gamma32(colors[0]); CRGB sec = gamma32(colors[1]); CRGB ter = gamma32(colors[2]); targetPalette = CRGBPalette16(ter,sec,prim); break;} case 5: {//primary + secondary (+tert if not off), more distinct CRGB prim = gamma32(colors[0]); CRGB sec = gamma32(colors[1]); if (colors[2]) { CRGB ter = gamma32(colors[2]); targetPalette = CRGBPalette16(prim,prim,prim,prim,prim,sec,sec,sec,sec,sec,ter,ter,ter,ter,ter,prim); } else { targetPalette = CRGBPalette16(prim,prim,prim,prim,prim,prim,prim,prim,sec,sec,sec,sec,sec,sec,sec,sec); } break;} case 6: //Party colors targetPalette = PartyColors_p; break; case 7: //Cloud colors targetPalette = CloudColors_p; break; case 8: //Lava colors targetPalette = LavaColors_p; break; case 9: //Ocean colors targetPalette = OceanColors_p; break; case 10: //Forest colors targetPalette = ForestColors_p; break; case 11: //Rainbow colors targetPalette = RainbowColors_p; break; case 12: //Rainbow stripe colors targetPalette = RainbowStripeColors_p; break; default: //progmem palettes if (pal>245) { targetPalette = strip.customPalettes[255-pal]; // we checked bounds above } else { byte tcp[72]; memcpy_P(tcp, (byte*)pgm_read_dword(&(gGradientPalettes[pal-13])), 72); targetPalette.loadDynamicGradientPalette(tcp); } break; } return targetPalette; } void Segment::startTransition(uint16_t dur) { if (!dur) { transitional = false; if (_t) { if (_t->_tmpSeg._dataT && _t->_tmpSeg._dataLenT > 0) { free(_t->_tmpSeg._dataT); _t->_tmpSeg._dataT = nullptr; } delete _t; _t = nullptr; } return; } if (transitional && _t) return; // already in transition no need to store anything // starting a transition has to occur before change so we get current values 1st _t = new Transition(dur); // no previous transition running if (!_t) return; // failed to allocate data DEBUG_PRINT(F("-- Saving transition environment. ")); DEBUG_PRINTLN(on ? opacity : 0); saveSegenv(&(_t->_tmpSeg)); CRGBPalette16 _palT = CRGBPalette16(DEFAULT_COLOR); loadPalette(_palT, palette); _t->_palT = _palT; _t->_modeT = mode; _t->_briT = on ? opacity : 0; _t->_cctT = cct; _t->_tmpSeg._dataLenT = 0; _t->_tmpSeg._dataT = nullptr; if (_dataLen > 0 && data) { _t->_tmpSeg._dataT = (byte *)malloc(_dataLen); if (_t->_tmpSeg._dataT) { DEBUG_PRINTLN(F("-- Allocated duplicate data.")); memcpy(_t->_tmpSeg._dataT, data, _dataLen); _t->_tmpSeg._dataLenT = _dataLen; } } transitional = true; // setOption(SEG_OPTION_TRANSITIONAL, true); } // transition progression between 0-65535 uint16_t Segment::progress() { if (transitional && _t) { unsigned long timeNow = millis(); if (_t->_dur > 0 && timeNow - _t->_start < _t->_dur) return (timeNow - _t->_start) * 0xFFFFU / _t->_dur; } return 0xFFFFU; } uint8_t Segment::currentBri(uint8_t briNew, bool useCct) { uint32_t prog = progress(); if (prog < 0xFFFFU) { if (useCct) return ((briNew * prog) + _t->_cctT * (0xFFFFU - prog)) >> 16; else return ((briNew * prog) + _t->_briT * (0xFFFFU - prog)) >> 16; } return briNew; } uint8_t Segment::currentMode(uint8_t newMode) { uint16_t prog = progress(); if (prog < 0xFFFFU) { // implicit check for transitional & _t in progress() restoreSegenv(&(_t->_tmpSeg)); opacity -= (uint32_t)opacity * prog / 0xFFFFU; return _t->_modeT; } return newMode; } void Segment::saveSegenv(tmpsegd_t *tmpSeg) { //tmpSeg._opacityT = on ? opacity : 0; //tmpSeg._optionsT = options; for (size_t i=0; i_colorT[i] = colors[i]; tmpSeg->_speedT = speed; tmpSeg->_intensityT = intensity; tmpSeg->_custom1T = custom1; tmpSeg->_custom2T = custom2; tmpSeg->_custom3T = custom3; tmpSeg->_check1T = check1; tmpSeg->_check2T = check2; tmpSeg->_check3T = check3; tmpSeg->_aux0T = aux0; tmpSeg->_aux1T = aux1; tmpSeg->_stepT = step; tmpSeg->_callT = call; tmpSeg->_dataT = data; tmpSeg->_dataLenT = _dataLen; } void Segment::restoreSegenv(tmpsegd_t *tmpSeg) { if (&(_t->_tmpSeg) != tmpSeg) { DEBUG_PRINTF("Temp: %p != %p\n", &(_t->_tmpSeg), tmpSeg); DEBUG_PRINTLN(F("-- Restoring OLD environment.")); // update possibly changed variables to keep old effect running correctly _t->_tmpSeg._aux0T = aux0; _t->_tmpSeg._aux1T = aux1; _t->_tmpSeg._stepT = step; _t->_tmpSeg._callT = call; } //opacity = tmpSeg._opacityT; //options = tmpSeg._optionsT; for (size_t i=0; i_colorT[i]; speed = tmpSeg->_speedT; intensity = tmpSeg->_intensityT; custom1 = tmpSeg->_custom1T; custom2 = tmpSeg->_custom2T; custom3 = tmpSeg->_custom3T; check1 = tmpSeg->_check1T; check2 = tmpSeg->_check2T; check3 = tmpSeg->_check3T; aux0 = tmpSeg->_aux0T; aux1 = tmpSeg->_aux1T; step = tmpSeg->_stepT; call = tmpSeg->_callT; data = tmpSeg->_dataT; _dataLen = tmpSeg->_dataLenT; } uint32_t Segment::currentColor(uint8_t slot, uint32_t colorNew) { return transitional && _t ? color_blend(_t->_tmpSeg._colorT[slot], colorNew, progress(), true) : colorNew; } CRGBPalette16 &Segment::currentPalette(CRGBPalette16 &targetPalette, uint8_t pal) { loadPalette(targetPalette, pal); if (progress() < 0xFFFFU) { // blend palettes // there are about 255 blend passes of 48 "blends" to completely blend two palettes (in _dur time) // minimum blend time is 100ms maximum is 65535ms unsigned long timeMS = millis() - _t->_start; uint16_t noOfBlends = (255U * timeMS / _t->_dur) - _t->_prevPaletteBlends; for (int i=0; i_prevPaletteBlends++) nblendPaletteTowardPalette(_t->_palT, targetPalette, 48); targetPalette = _t->_palT; // copy transitioning/temporary palette } return targetPalette; } void Segment::handleTransition() { if (!transitional) return; uint16_t _progress = progress(); if (_progress == 0xFFFFU) transitional = false; // finish transitioning segment if (_t) { // thanks to @nXm AKA https://github.com/NMeirer //if (_progress >= 32767U && _t->_modeP != mode) markForReset(); if (_progress == 0xFFFFU) { DEBUG_PRINTLN(F("-- Stopping transition.")); if (_t->_tmpSeg._dataT && _t->_tmpSeg._dataLenT > 0) { free(_t->_tmpSeg._dataT); _t->_tmpSeg._dataT = nullptr; } delete _t; _t = nullptr; } } } // relies on WS2812FX::service() to call it max every 8ms or more (MIN_SHOW_DELAY) void Segment::handleRandomPalette() { // just do a blend; if the palettes are identical it will just compare 48 bytes (same as _randomPalette == _newRandomPalette) // this will slowly blend _newRandomPalette into _randomPalette every 15ms or 8ms (depending on MIN_SHOW_DELAY) nblendPaletteTowardPalette(_randomPalette, _newRandomPalette, 48); } // segId is given when called from network callback, changes are queued if that segment is currently in its effect function void Segment::setUp(uint16_t i1, uint16_t i2, uint8_t grp, uint8_t spc, uint16_t ofs, uint16_t i1Y, uint16_t i2Y, uint8_t segId) { // return if neither bounds nor grouping have changed bool boundsUnchanged = (start == i1 && stop == i2); #ifndef WLED_DISABLE_2D if (Segment::maxHeight>1) boundsUnchanged &= (startY == i1Y && stopY == i2Y); // 2D #endif if (boundsUnchanged && (!grp || (grouping == grp && spacing == spc)) && (ofs == UINT16_MAX || ofs == offset)) return; if (stop) fill(BLACK); // turn old segment range off (clears pixels if changing spacing) if (grp) { // prevent assignment of 0 grouping = grp; spacing = spc; } else { grouping = 1; spacing = 0; } if (ofs < UINT16_MAX) offset = ofs; markForReset(); if (boundsUnchanged) return; // apply change immediately if (i2 <= i1) { //disable segment stop = 0; return; } if (i1 < Segment::maxWidth || (i1 >= Segment::maxWidth*Segment::maxHeight && i1 < strip.getLengthTotal())) start = i1; // Segment::maxWidth equals strip.getLengthTotal() for 1D stop = i2 > Segment::maxWidth*Segment::maxHeight ? MIN(i2,strip.getLengthTotal()) : (i2 > Segment::maxWidth ? Segment::maxWidth : MAX(1,i2)); startY = 0; stopY = 1; #ifndef WLED_DISABLE_2D if (Segment::maxHeight>1) { // 2D if (i1Y < Segment::maxHeight) startY = i1Y; stopY = i2Y > Segment::maxHeight ? Segment::maxHeight : MAX(1,i2Y); } #endif // safety check if (start >= stop || startY >= stopY) { stop = 0; return; } refreshLightCapabilities(); } bool Segment::setColor(uint8_t slot, uint32_t c) { //returns true if changed if (slot >= NUM_COLORS || c == colors[slot]) return false; if (!_isRGB && !_hasW) { if (slot == 0 && c == BLACK) return false; // on/off segment cannot have primary color black if (slot == 1 && c != BLACK) return false; // on/off segment cannot have secondary color non black } if (fadeTransition) startTransition(strip.getTransition()); // start transition prior to change colors[slot] = c; stateChanged = true; // send UDP/WS broadcast return true; } void Segment::setCCT(uint16_t k) { 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; if (fadeTransition) startTransition(strip.getTransition()); // start transition prior to change cct = k; stateChanged = true; // send UDP/WS broadcast } void Segment::setOpacity(uint8_t o) { if (opacity == o) return; if (fadeTransition) startTransition(strip.getTransition()); // start transition prior to change DEBUG_PRINT(F("-- Setting opacity: ")); DEBUG_PRINTLN(o); opacity = o; stateChanged = true; // send UDP/WS broadcast } void Segment::setOption(uint8_t n, bool val) { bool prevOn = on; if (fadeTransition && n == SEG_OPTION_ON && val != prevOn) startTransition(strip.getTransition()); // start transition prior to change if (val) options |= 0x01 << n; else options &= ~(0x01 << n); if (!(n == SEG_OPTION_SELECTED || n == SEG_OPTION_RESET || n == SEG_OPTION_TRANSITIONAL)) stateChanged = true; // send UDP/WS broadcast } void Segment::setMode(uint8_t fx, bool loadDefaults) { // if we have a valid mode & is not reserved if (fx < strip.getModeCount() && strncmp_P("RSVD", strip.getModeData(fx), 4)) { if (fx != mode) { if (!transitional) { DEBUG_PRINT(F("-- Started mode transition. ")); DEBUG_PRINTLN(opacity);} if (fadeTransition) startTransition(strip.getTransition()); // set effect transitions mode = fx; // load default values from effect string if (loadDefaults) { int16_t sOpt; sOpt = extractModeDefaults(fx, "sx"); speed = (sOpt >= 0) ? sOpt : DEFAULT_SPEED; sOpt = extractModeDefaults(fx, "ix"); intensity = (sOpt >= 0) ? sOpt : DEFAULT_INTENSITY; sOpt = extractModeDefaults(fx, "c1"); custom1 = (sOpt >= 0) ? sOpt : DEFAULT_C1; sOpt = extractModeDefaults(fx, "c2"); custom2 = (sOpt >= 0) ? sOpt : DEFAULT_C2; sOpt = extractModeDefaults(fx, "c3"); custom3 = (sOpt >= 0) ? sOpt : DEFAULT_C3; sOpt = extractModeDefaults(fx, "o1"); check1 = (sOpt >= 0) ? (bool)sOpt : false; sOpt = extractModeDefaults(fx, "o2"); check2 = (sOpt >= 0) ? (bool)sOpt : false; sOpt = extractModeDefaults(fx, "o3"); check3 = (sOpt >= 0) ? (bool)sOpt : false; sOpt = extractModeDefaults(fx, "m12"); if (sOpt >= 0) map1D2D = constrain(sOpt, 0, 7); sOpt = extractModeDefaults(fx, "si"); if (sOpt >= 0) soundSim = constrain(sOpt, 0, 1); sOpt = extractModeDefaults(fx, "rev"); if (sOpt >= 0) reverse = (bool)sOpt; sOpt = extractModeDefaults(fx, "mi"); if (sOpt >= 0) mirror = (bool)sOpt; // NOTE: setting this option is a risky business sOpt = extractModeDefaults(fx, "rY"); if (sOpt >= 0) reverse_y = (bool)sOpt; sOpt = extractModeDefaults(fx, "mY"); if (sOpt >= 0) mirror_y = (bool)sOpt; // NOTE: setting this option is a risky business sOpt = extractModeDefaults(fx, "pal"); if (sOpt >= 0) setPalette(sOpt); //else setPalette(0); } stateChanged = true; // send UDP/WS broadcast } } } void Segment::setPalette(uint8_t pal) { if (pal < 245 && pal > GRADIENT_PALETTE_COUNT+13) pal = 0; // built in palettes if (pal > 245 && (strip.customPalettes.size() == 0 || 255U-pal > strip.customPalettes.size()-1)) pal = 0; // custom palettes if (pal != palette) { if (strip.paletteFade) startTransition(strip.getTransition()); palette = pal; stateChanged = true; // send UDP/WS broadcast } } // 2D matrix uint16_t Segment::virtualWidth() const { uint16_t groupLen = groupLength(); uint16_t vWidth = ((transpose ? height() : width()) + groupLen - 1) / groupLen; if (mirror) vWidth = (vWidth + 1) /2; // divide by 2 if mirror, leave at least a single LED return vWidth; } uint16_t Segment::virtualHeight() const { uint16_t groupLen = groupLength(); uint16_t vHeight = ((transpose ? width() : height()) + groupLen - 1) / groupLen; if (mirror_y) vHeight = (vHeight + 1) /2; // divide by 2 if mirror, leave at least a single LED return vHeight; } uint16_t Segment::nrOfVStrips() const { uint16_t vLen = 1; #ifndef WLED_DISABLE_2D if (is2D()) { switch (map1D2D) { case M12_pBar: vLen = virtualWidth(); break; } } #endif return vLen; } // 1D strip uint16_t Segment::virtualLength() const { #ifndef WLED_DISABLE_2D if (is2D()) { uint16_t vW = virtualWidth(); uint16_t vH = virtualHeight(); uint16_t vLen = vW * vH; // use all pixels from segment switch (map1D2D) { case M12_pBar: vLen = vH; break; case M12_pCorner: case M12_pArc: vLen = max(vW,vH); // get the longest dimension break; } return vLen; } #endif uint16_t groupLen = groupLength(); // is always >= 1 uint16_t vLength = (length() + groupLen - 1) / groupLen; if (mirror) vLength = (vLength + 1) /2; // divide by 2 if mirror, leave at least a single LED return vLength; } void IRAM_ATTR Segment::setPixelColor(int i, uint32_t col) { if (!isActive()) return; // not active #ifndef WLED_DISABLE_2D int vStrip = i>>16; // hack to allow running on virtual strips (2D segment columns/rows) #endif i &= 0xFFFF; if (i >= virtualLength() || i<0) return; // if pixel would fall out of segment just exit #ifndef WLED_DISABLE_2D if (is2D()) { uint16_t vH = virtualHeight(); // segment height in logical pixels uint16_t vW = virtualWidth(); switch (map1D2D) { case M12_Pixels: // use all available pixels as a long strip setPixelColorXY(i % vW, i / vW, col); break; case M12_pBar: // expand 1D effect vertically or have it play on virtual strips if (vStrip>0) setPixelColorXY(vStrip - 1, vH - i - 1, col); else for (int x = 0; x < vW; x++) setPixelColorXY(x, vH - i - 1, col); break; case M12_pArc: // expand in circular fashion from center if (i==0) setPixelColorXY(0, 0, col); else { float step = HALF_PI / (2.85f*i); for (float rad = 0.0f; rad <= HALF_PI+step/2; rad += step) { // may want to try float version as well (with or without antialiasing) int x = roundf(sin_t(rad) * i); int y = roundf(cos_t(rad) * i); setPixelColorXY(x, y, col); } // Bresenham’s Algorithm (may not fill every pixel) //int d = 3 - (2*i); //int y = i, x = 0; //while (y >= x) { // setPixelColorXY(x, y, col); // setPixelColorXY(y, x, col); // x++; // if (d > 0) { // y--; // d += 4 * (x - y) + 10; // } else { // d += 4 * x + 6; // } //} } break; case M12_pCorner: for (int x = 0; x <= i; x++) setPixelColorXY(x, i, col); for (int y = 0; y < i; y++) setPixelColorXY(i, y, col); break; } return; } else if (Segment::maxHeight!=1 && (width()==1 || height()==1)) { if (start < Segment::maxWidth*Segment::maxHeight) { // we have a vertical or horizontal 1D segment (WARNING: virtual...() may be transposed) int x = 0, y = 0; if (virtualHeight()>1) y = i; if (virtualWidth() >1) x = i; setPixelColorXY(x, y, col); return; } } #endif uint16_t len = length(); uint8_t _bri_t = currentBri(on ? opacity : 0); if (_bri_t < 255) { byte r = scale8(R(col), _bri_t); byte g = scale8(G(col), _bri_t); byte b = scale8(B(col), _bri_t); byte w = scale8(W(col), _bri_t); col = RGBW32(r, g, b, w); } // expand pixel (taking into account start, grouping, spacing [and offset]) i = i * groupLength(); if (reverse) { // is segment reversed? if (mirror) { // is segment mirrored? i = (len - 1) / 2 - i; //only need to index half the pixels } else { i = (len - 1) - i; } } i += start; // starting pixel in a group // set all the pixels in the group for (int j = 0; j < grouping; j++) { uint16_t indexSet = i + ((reverse) ? -j : j); if (indexSet >= start && indexSet < stop) { if (mirror) { //set the corresponding mirrored pixel uint16_t indexMir = stop - indexSet + start - 1; indexMir += offset; // offset/phase if (indexMir >= stop) indexMir -= len; // wrap strip.setPixelColor(indexMir, col); } indexSet += offset; // offset/phase if (indexSet >= stop) indexSet -= len; // wrap strip.setPixelColor(indexSet, col); } } } // anti-aliased normalized version of setPixelColor() void Segment::setPixelColor(float i, uint32_t col, bool aa) { if (!isActive()) return; // not active int vStrip = int(i/10.0f); // hack to allow running on virtual strips (2D segment columns/rows) i -= int(i); if (i<0.0f || i>1.0f) return; // not normalized float fC = i * (virtualLength()-1); if (aa) { uint16_t iL = roundf(fC-0.49f); uint16_t iR = roundf(fC+0.49f); float dL = (fC - iL)*(fC - iL); float dR = (iR - fC)*(iR - fC); uint32_t cIL = getPixelColor(iL | (vStrip<<16)); uint32_t cIR = getPixelColor(iR | (vStrip<<16)); if (iR!=iL) { // blend L pixel cIL = color_blend(col, cIL, uint8_t(dL*255.0f)); setPixelColor(iL | (vStrip<<16), cIL); // blend R pixel cIR = color_blend(col, cIR, uint8_t(dR*255.0f)); setPixelColor(iR | (vStrip<<16), cIR); } else { // exact match (x & y land on a pixel) setPixelColor(iL | (vStrip<<16), col); } } else { setPixelColor(uint16_t(roundf(fC)) | (vStrip<<16), col); } } uint32_t Segment::getPixelColor(int i) { if (!isActive()) return 0; // not active #ifndef WLED_DISABLE_2D int vStrip = i>>16; #endif i &= 0xFFFF; #ifndef WLED_DISABLE_2D if (is2D()) { uint16_t vH = virtualHeight(); // segment height in logical pixels uint16_t vW = virtualWidth(); switch (map1D2D) { case M12_Pixels: return getPixelColorXY(i % vW, i / vW); break; case M12_pBar: if (vStrip>0) return getPixelColorXY(vStrip - 1, vH - i -1); else return getPixelColorXY(0, vH - i -1); break; case M12_pArc: case M12_pCorner: // use longest dimension return vW>vH ? getPixelColorXY(i, 0) : getPixelColorXY(0, i); break; } return 0; } #endif if (reverse) i = virtualLength() - i - 1; i *= groupLength(); i += start; /* offset/phase */ i += offset; if ((i >= stop) && (stop>0)) i -= length(); // avoids negative pixel index (stop = 0 is a possible value) return strip.getPixelColor(i); } uint8_t Segment::differs(Segment& b) const { uint8_t d = 0; if (start != b.start) d |= SEG_DIFFERS_BOUNDS; if (stop != b.stop) d |= SEG_DIFFERS_BOUNDS; if (offset != b.offset) d |= SEG_DIFFERS_GSO; if (grouping != b.grouping) d |= SEG_DIFFERS_GSO; if (spacing != b.spacing) d |= SEG_DIFFERS_GSO; if (opacity != b.opacity) d |= SEG_DIFFERS_BRI; if (mode != b.mode) d |= SEG_DIFFERS_FX; if (speed != b.speed) d |= SEG_DIFFERS_FX; if (intensity != b.intensity) d |= SEG_DIFFERS_FX; if (palette != b.palette) d |= SEG_DIFFERS_FX; if (custom1 != b.custom1) d |= SEG_DIFFERS_FX; if (custom2 != b.custom2) d |= SEG_DIFFERS_FX; if (custom3 != b.custom3) d |= SEG_DIFFERS_FX; if (startY != b.startY) d |= SEG_DIFFERS_BOUNDS; if (stopY != b.stopY) d |= SEG_DIFFERS_BOUNDS; //bit pattern: (msb first) set:2, sound:1, mapping:3, transposed, mirrorY, reverseY, [transitional, reset,] paused, mirrored, on, reverse, [selected] if ((options & 0b1111111110011110U) != (b.options & 0b1111111110011110U)) d |= SEG_DIFFERS_OPT; if ((options & 0x0001U) != (b.options & 0x0001U)) d |= SEG_DIFFERS_SEL; for (uint8_t i = 0; i < NUM_COLORS; i++) if (colors[i] != b.colors[i]) d |= SEG_DIFFERS_COL; return d; } void Segment::refreshLightCapabilities() { uint8_t capabilities = 0; uint16_t segStartIdx = 0xFFFFU; uint16_t segStopIdx = 0; if (!isActive()) { _capabilities = 0; return; } if (start < Segment::maxWidth * Segment::maxHeight) { // we are withing 2D matrix (includes 1D segments) for (int y = startY; y < stopY; y++) for (int x = start; x < stop; x++) { uint16_t index = x + Segment::maxWidth * y; if (index < strip.customMappingSize) index = strip.customMappingTable[index]; // convert logical address to physical if (index < 0xFFFFU) { if (segStartIdx > index) segStartIdx = index; if (segStopIdx < index) segStopIdx = index; } if (segStartIdx == segStopIdx) segStopIdx++; // we only have 1 pixel segment } } else { // we are on the strip located after the matrix segStartIdx = start; segStopIdx = stop; } for (uint8_t b = 0; b < busses.getNumBusses(); b++) { Bus *bus = busses.getBus(b); if (bus == nullptr || bus->getLength()==0) break; if (!bus->isOk()) continue; if (bus->getStart() >= segStopIdx) continue; if (bus->getStart() + bus->getLength() <= segStartIdx) continue; //uint8_t type = bus->getType(); if (bus->hasRGB() || (cctFromRgb && bus->hasCCT())) capabilities |= SEG_CAPABILITY_RGB; if (!cctFromRgb && bus->hasCCT()) capabilities |= SEG_CAPABILITY_CCT; if (correctWB && (bus->hasRGB() || bus->hasCCT())) capabilities |= SEG_CAPABILITY_CCT; //white balance correction (CCT slider) if (bus->hasWhite()) { uint8_t aWM = Bus::getGlobalAWMode() == AW_GLOBAL_DISABLED ? bus->getAutoWhiteMode() : Bus::getGlobalAWMode(); bool whiteSlider = (aWM == RGBW_MODE_DUAL || aWM == RGBW_MODE_MANUAL_ONLY); // white slider allowed // if auto white calculation from RGB is active (Accurate/Brighter), force RGB controls even if there are no RGB busses if (!whiteSlider) capabilities |= SEG_CAPABILITY_RGB; // if auto white calculation from RGB is disabled/optional (None/Dual), allow white channel adjustments if ( whiteSlider) capabilities |= SEG_CAPABILITY_W; } } _capabilities = capabilities; } /* * Fills segment with color */ void Segment::fill(uint32_t c) { if (!isActive()) return; // not active const uint16_t cols = is2D() ? virtualWidth() : virtualLength(); const uint16_t rows = virtualHeight(); // will be 1 for 1D for(uint16_t y = 0; y < rows; y++) for (uint16_t x = 0; x < cols; x++) { if (is2D()) setPixelColorXY(x, y, c); else setPixelColor(x, c); } } // Blends the specified color with the existing pixel color. void Segment::blendPixelColor(int n, uint32_t color, uint8_t blend) { setPixelColor(n, color_blend(getPixelColor(n), color, blend)); } // Adds the specified color with the existing pixel color perserving color balance. void Segment::addPixelColor(int n, uint32_t color, bool fast) { if (!isActive()) return; // not active uint32_t col = getPixelColor(n); uint8_t r = R(col); uint8_t g = G(col); uint8_t b = B(col); uint8_t w = W(col); if (fast) { r = qadd8(r, R(color)); g = qadd8(g, G(color)); b = qadd8(b, B(color)); w = qadd8(w, W(color)); col = RGBW32(r,g,b,w); } else { col = color_add(col, color); } setPixelColor(n, col); } void Segment::fadePixelColor(uint16_t n, uint8_t fade) { if (!isActive()) return; // not active CRGB pix = CRGB(getPixelColor(n)).nscale8_video(fade); setPixelColor(n, pix); } /* * fade out function, higher rate = quicker fade */ void Segment::fade_out(uint8_t rate) { if (!isActive()) return; // not active const uint16_t cols = is2D() ? virtualWidth() : virtualLength(); const uint16_t rows = virtualHeight(); // will be 1 for 1D rate = (255-rate) >> 1; float mappedRate = float(rate) +1.1; uint32_t color = colors[1]; // SEGCOLOR(1); // target color int w2 = W(color); int r2 = R(color); int g2 = G(color); int b2 = B(color); for (uint16_t y = 0; y < rows; y++) for (uint16_t x = 0; x < cols; x++) { color = is2D() ? getPixelColorXY(x, y) : getPixelColor(x); int w1 = W(color); int r1 = R(color); int g1 = G(color); int b1 = B(color); int wdelta = (w2 - w1) / mappedRate; int rdelta = (r2 - r1) / mappedRate; int gdelta = (g2 - g1) / mappedRate; int bdelta = (b2 - b1) / mappedRate; // if fade isn't complete, make sure delta is at least 1 (fixes rounding issues) wdelta += (w2 == w1) ? 0 : (w2 > w1) ? 1 : -1; rdelta += (r2 == r1) ? 0 : (r2 > r1) ? 1 : -1; gdelta += (g2 == g1) ? 0 : (g2 > g1) ? 1 : -1; bdelta += (b2 == b1) ? 0 : (b2 > b1) ? 1 : -1; if (is2D()) setPixelColorXY(x, y, r1 + rdelta, g1 + gdelta, b1 + bdelta, w1 + wdelta); else setPixelColor(x, r1 + rdelta, g1 + gdelta, b1 + bdelta, w1 + wdelta); } } // fades all pixels to black using nscale8() void Segment::fadeToBlackBy(uint8_t fadeBy) { if (!isActive() || fadeBy == 0) return; // optimization - no scaling to apply const uint16_t cols = is2D() ? virtualWidth() : virtualLength(); const uint16_t rows = virtualHeight(); // will be 1 for 1D for (uint16_t y = 0; y < rows; y++) for (uint16_t x = 0; x < cols; x++) { if (is2D()) setPixelColorXY(x, y, CRGB(getPixelColorXY(x,y)).nscale8(255-fadeBy)); else setPixelColor(x, CRGB(getPixelColor(x)).nscale8(255-fadeBy)); } } /* * blurs segment content, source: FastLED colorutils.cpp */ void Segment::blur(uint8_t blur_amount) { if (!isActive() || blur_amount == 0) return; // optimization: 0 means "don't blur" #ifndef WLED_DISABLE_2D if (is2D()) { // compatibility with 2D const uint_fast16_t cols = virtualWidth(); const uint_fast16_t rows = virtualHeight(); for (uint_fast16_t i = 0; i < rows; i++) blurRow(i, blur_amount); // blur all rows for (uint_fast16_t k = 0; k < cols; k++) blurCol(k, blur_amount); // blur all columns return; } #endif uint8_t keep = 255 - blur_amount; uint8_t seep = blur_amount >> 1; CRGB carryover = CRGB::Black; uint_fast16_t vlength = virtualLength(); for(uint_fast16_t i = 0; i < vlength; i++) { CRGB cur = CRGB(getPixelColor(i)); CRGB part = cur; CRGB before = cur; // remember color before blur part.nscale8(seep); cur.nscale8(keep); cur += carryover; if(i > 0) { uint32_t c = getPixelColor(i-1); uint8_t r = R(c); uint8_t g = G(c); uint8_t b = B(c); setPixelColor((uint16_t)(i-1), qadd8(r, part.red), qadd8(g, part.green), qadd8(b, part.blue)); } if (before != cur) // optimization: only set pixel if color has changed setPixelColor((uint16_t)i,cur.red, cur.green, cur.blue); carryover = part; } } /* * Put a value 0 to 255 in to get a color value. * The colours are a transition r -> g -> b -> back to r * Inspired by the Adafruit examples. */ uint32_t Segment::color_wheel(uint8_t pos) { if (palette) return color_from_palette(pos, false, true, 0); pos = 255 - pos; if(pos < 85) { return ((uint32_t)(255 - pos * 3) << 16) | ((uint32_t)(0) << 8) | (pos * 3); } else if(pos < 170) { pos -= 85; return ((uint32_t)(0) << 16) | ((uint32_t)(pos * 3) << 8) | (255 - pos * 3); } else { pos -= 170; return ((uint32_t)(pos * 3) << 16) | ((uint32_t)(255 - pos * 3) << 8) | (0); } } /* * Returns a new, random wheel index with a minimum distance of 42 from pos. */ uint8_t Segment::get_random_wheel_index(uint8_t pos) { uint8_t r = 0, x = 0, y = 0, d = 0; while(d < 42) { r = random8(); x = abs(pos - r); y = 255 - x; d = MIN(x, y); } return r; } /* * Gets a single color from the currently selected palette. * @param i Palette Index (if mapping is true, the full palette will be _virtualSegmentLength long, if false, 255). Will wrap around automatically. * @param mapping if true, LED position in segment is considered for color * @param wrap FastLED palettes will usually wrap back to the start smoothly. Set false to get a hard edge * @param mcol If the default palette 0 is selected, return the standard color 0, 1 or 2 instead. If >2, Party palette is used instead * @param pbri Value to scale the brightness of the returned color by. Default is 255. (no scaling) * @returns Single color from palette */ uint32_t Segment::color_from_palette(uint16_t i, bool mapping, bool wrap, uint8_t mcol, uint8_t pbri) { // default palette or no RGB support on segment if ((palette == 0 && mcol < NUM_COLORS) || !_isRGB) { uint32_t color = currentColor(mcol, colors[mcol]); color = gamma32(color); if (pbri == 255) return color; return RGBW32(scale8_video(R(color),pbri), scale8_video(G(color),pbri), scale8_video(B(color),pbri), scale8_video(W(color),pbri)); } uint8_t paletteIndex = i; if (mapping && virtualLength() > 1) paletteIndex = (i*255)/(virtualLength() -1); if (!wrap) paletteIndex = scale8(paletteIndex, 240); //cut off blend at palette "end" CRGB fastled_col; CRGBPalette16 curPal; if (transitional && _t) curPal = _t->_palT; else loadPalette(curPal, palette); fastled_col = ColorFromPalette(curPal, paletteIndex, pbri, (strip.paletteBlend == 3)? NOBLEND:LINEARBLEND); // NOTE: paletteBlend should be global return RGBW32(fastled_col.r, fastled_col.g, fastled_col.b, 0); } /////////////////////////////////////////////////////////////////////////////// // WS2812FX class implementation /////////////////////////////////////////////////////////////////////////////// //do not call this method from system context (network callback) void WS2812FX::finalizeInit(void) { //reset segment runtimes for (segment &seg : _segments) { seg.markForReset(); seg.resetIfRequired(); } // for the lack of better place enumerate ledmaps here // if we do it in json.cpp (serializeInfo()) we are getting flashes on LEDs // unfortunately this means we do not get updates after uploads enumerateLedmaps(); _hasWhiteChannel = _isOffRefreshRequired = false; //if busses failed to load, add default (fresh install, FS issue, ...) if (busses.getNumBusses() == 0) { DEBUG_PRINTLN(F("No busses, init default")); const uint8_t defDataPins[] = {DATA_PINS}; const uint16_t defCounts[] = {PIXEL_COUNTS}; const uint8_t defNumBusses = ((sizeof defDataPins) / (sizeof defDataPins[0])); const uint8_t defNumCounts = ((sizeof defCounts) / (sizeof defCounts[0])); uint16_t prevLen = 0; for (uint8_t i = 0; i < defNumBusses && i < WLED_MAX_BUSSES+WLED_MIN_VIRTUAL_BUSSES; i++) { uint8_t defPin[] = {defDataPins[i]}; uint16_t start = prevLen; uint16_t count = defCounts[(i < defNumCounts) ? i : defNumCounts -1]; prevLen += count; BusConfig defCfg = BusConfig(DEFAULT_LED_TYPE, defPin, start, count, DEFAULT_LED_COLOR_ORDER, false, 0, RGBW_MODE_MANUAL_ONLY); if (busses.add(defCfg) == -1) break; } } _length = 0; for (uint8_t i=0; igetStart() + bus->getLength() > MAX_LEDS) break; //RGBW mode is enabled if at least one of the strips is RGBW _hasWhiteChannel |= bus->hasWhite(); //refresh is required to remain off if at least one of the strips requires the refresh. _isOffRefreshRequired |= bus->isOffRefreshRequired(); uint16_t busEnd = bus->getStart() + bus->getLength(); if (busEnd > _length) _length = busEnd; #ifdef ESP8266 if ((!IS_DIGITAL(bus->getType()) || IS_2PIN(bus->getType()))) continue; uint8_t pins[5]; if (!bus->getPins(pins)) continue; BusDigital* bd = static_cast(bus); if (pins[0] == 3) bd->reinit(); #endif } if (isMatrix) setUpMatrix(); else { Segment::maxWidth = _length; Segment::maxHeight = 1; } //segments are created in makeAutoSegments(); DEBUG_PRINTLN(F("Loading custom palettes")); loadCustomPalettes(); // (re)load all custom palettes DEBUG_PRINTLN(F("Loading custom ledmaps")); deserializeMap(); // (re)load default ledmap } void WS2812FX::service() { unsigned long nowUp = millis(); // Be aware, millis() rolls over every 49 days now = nowUp + timebase; if (nowUp - _lastShow < MIN_SHOW_DELAY) return; bool doShow = false; _isServicing = true; _segment_index = 0; Segment::handleRandomPalette(); // move it into for loop when each segment has individual random palette for (segment &seg : _segments) { if (!seg.isActive()) continue; // process transition (mode changes in the middle of transition) seg.handleTransition(); // reset the segment runtime data if needed seg.resetIfRequired(); // last condition ensures all solid segments are updated at the same time if (nowUp > seg.next_time || _triggered || (doShow && seg.mode == FX_MODE_STATIC)) { doShow = true; uint16_t delay = FRAMETIME; if (!seg.freeze) { //only run effect function if not frozen _virtualSegmentLength = seg.virtualLength(); _colors_t[0] = seg.currentColor(0, seg.colors[0]); _colors_t[1] = seg.currentColor(1, seg.colors[1]); _colors_t[2] = seg.currentColor(2, seg.colors[2]); seg.currentPalette(_currentPalette, seg.palette); if (!cctFromRgb || correctWB) busses.setSegmentCCT(seg.currentBri(seg.cct, true), correctWB); for (uint8_t c = 0; c < NUM_COLORS; c++) _colors_t[c] = gamma32(_colors_t[c]); // Effect blending (execute previous effect then new effect while in transition) // WARNING: seg.currentMode(mode) (while in transition) will overwrite SEGENV variables!!! // so they need to be saved first and then restored before running new mode. // The blending will largely depend on the effect behaviour since actual output (LEDs) may be // overwritten by later effect. To enable seamless blending for every effect, additional LED buffer // would need to be allocated for each effect and then blended together for each pixel. Segment::tmpsegd_t _tmpSegData; seg.saveSegenv(&_tmpSegData); uint8_t newMode = seg.mode; uint8_t newOpacity = seg.opacity; uint8_t tmpMode = seg.currentMode(seg.mode); delay = (*_mode[tmpMode])(); // run old mode if (newMode != tmpMode) { if (tmpMode != FX_MODE_HALLOWEEN_EYES) seg.call++; seg.restoreSegenv(&_tmpSegData); // restore mode state seg.opacity = (uint32_t)newOpacity * seg.progress() / 0xFFFFU; delay += (*_mode[seg.mode])(); // run new mode delay /= 2; // average the delay seg.opacity = newOpacity; } if (seg.mode != FX_MODE_HALLOWEEN_EYES) seg.call++; if (seg.transitional && delay > FRAMETIME) delay = FRAMETIME; // force faster updates during transition } seg.next_time = nowUp + delay; } if (_segment_index == _queuedChangesSegId) setUpSegmentFromQueuedChanges(); _segment_index++; } _virtualSegmentLength = 0; busses.setSegmentCCT(-1); _isServicing = false; _triggered = false; #ifdef WLED_DEBUG if (millis() - nowUp > _frametime) DEBUG_PRINTLN(F("Slow effects.")); #endif if (doShow) { yield(); show(); } #ifdef WLED_DEBUG if (millis() - nowUp > _frametime) DEBUG_PRINTLN(F("Slow strip.")); #endif } void IRAM_ATTR WS2812FX::setPixelColor(int i, uint32_t col) { if (i < customMappingSize) i = customMappingTable[i]; if (i >= _length) return; busses.setPixelColor(i, col); } uint32_t WS2812FX::getPixelColor(uint16_t i) { if (i < customMappingSize) i = customMappingTable[i]; if (i >= _length) return 0; return busses.getPixelColor(i); } //DISCLAIMER //The following function attemps to calculate the current LED power usage, //and will limit the brightness to stay below a set amperage threshold. //It is NOT a measurement and NOT guaranteed to stay within the ablMilliampsMax margin. //Stay safe with high amperage and have a reasonable safety margin! //I am NOT to be held liable for burned down garages! //fine tune power estimation constants for your setup #define MA_FOR_ESP 100 //how much mA does the ESP use (Wemos D1 about 80mA, ESP32 about 120mA) //you can set it to 0 if the ESP is powered by USB and the LEDs by external uint8_t WS2812FX::estimateCurrentAndLimitBri() { //power limit calculation //each LED can draw up 195075 "power units" (approx. 53mA) //one PU is the power it takes to have 1 channel 1 step brighter per brightness step //so A=2,R=255,G=0,B=0 would use 510 PU per LED (1mA is about 3700 PU) bool useWackyWS2815PowerModel = false; byte actualMilliampsPerLed = milliampsPerLed; if (ablMilliampsMax < 150 || actualMilliampsPerLed == 0) { //0 mA per LED and too low numbers turn off calculation currentMilliamps = 0; return _brightness; } if (milliampsPerLed == 255) { useWackyWS2815PowerModel = true; actualMilliampsPerLed = 12; // from testing an actual strip } size_t powerBudget = (ablMilliampsMax - MA_FOR_ESP); //100mA for ESP power size_t pLen = 0; //getLengthPhysical(); size_t powerSum = 0; for (uint_fast8_t bNum = 0; bNum < busses.getNumBusses(); bNum++) { Bus *bus = busses.getBus(bNum); if (!IS_DIGITAL(bus->getType())) continue; //exclude non-digital network busses uint16_t len = bus->getLength(); pLen += len; uint32_t busPowerSum = 0; for (uint_fast16_t i = 0; i < len; i++) { //sum up the usage of each LED uint32_t c = bus->getPixelColor(i); // always returns original or restored color without brightness scaling byte r = R(c), g = G(c), b = B(c), w = W(c); if(useWackyWS2815PowerModel) { //ignore white component on WS2815 power calculation busPowerSum += (MAX(MAX(r,g),b)) * 3; } else { busPowerSum += (r + g + b + w); } } if (bus->hasWhite()) { //RGBW led total output with white LEDs enabled is still 50mA, so each channel uses less busPowerSum *= 3; busPowerSum >>= 2; //same as /= 4 } powerSum += busPowerSum; } if (powerBudget > pLen) { //each LED uses about 1mA in standby, exclude that from power budget powerBudget -= pLen; } else { powerBudget = 0; } // powerSum has all the values of channels summed (max would be pLen*765 as white is excluded) so convert to milliAmps powerSum = (powerSum * actualMilliampsPerLed) / 765; uint8_t newBri = _brightness; if (powerSum * _brightness / 255 > powerBudget) { //scale brightness down to stay in current limit float scale = (float)(powerBudget * 255) / (float)(powerSum * _brightness); uint16_t scaleI = scale * 255; uint8_t scaleB = (scaleI > 255) ? 255 : scaleI; newBri = scale8(_brightness, scaleB) + 1; } currentMilliamps = (powerSum * newBri) / 255; currentMilliamps += MA_FOR_ESP; //add power of ESP back to estimate currentMilliamps += pLen; //add standby power (1mA/LED) back to estimate return newBri; } void WS2812FX::show(void) { // avoid race condition, caputre _callback value show_callback callback = _callback; if (callback) callback(); uint8_t newBri = estimateCurrentAndLimitBri(); busses.setBrightness(newBri); // "repaints" all pixels if brightness changed // some buses send asynchronously and this method will return before // all of the data has been sent. // See https://github.com/Makuna/NeoPixelBus/wiki/ESP32-NeoMethods#neoesp32rmt-methods busses.show(); // restore bus brightness to its original value // this is done right after show, so this is only OK if LED updates are completed before show() returns // or async show has a separate buffer (ESP32 RMT and I2S are ok) if (newBri < _brightness) busses.setBrightness(_brightness); unsigned long now = millis(); size_t diff = now - _lastShow; size_t fpsCurr = 200; if (diff > 0) fpsCurr = 1000 / diff; _cumulativeFps = (3 * _cumulativeFps + fpsCurr +2) >> 2; // "+2" for proper rounding (2/4 = 0.5) _lastShow = now; } /** * Returns a true value if any of the strips are still being updated. * On some hardware (ESP32), strip updates are done asynchronously. */ bool WS2812FX::isUpdating() { return !busses.canAllShow(); } /** * Returns the refresh rate of the LED strip. Useful for finding out whether a given setup is fast enough. * Only updates on show() or is set to 0 fps if last show is more than 2 secs ago, so accurary varies */ uint16_t WS2812FX::getFps() { if (millis() - _lastShow > 2000) return 0; return _cumulativeFps +1; } void WS2812FX::setTargetFps(uint8_t fps) { if (fps > 0 && fps <= 120) _targetFps = fps; _frametime = 1000 / _targetFps; } void WS2812FX::setMode(uint8_t segid, uint8_t m) { if (segid >= _segments.size()) return; if (m >= getModeCount()) m = getModeCount() - 1; if (_segments[segid].mode != m) { _segments[segid].startTransition(_transitionDur); // set effect transitions //_segments[segid].markForReset(); _segments[segid].mode = m; } } //applies to all active and selected segments void WS2812FX::setColor(uint8_t slot, uint32_t c) { if (slot >= NUM_COLORS) return; for (segment &seg : _segments) { if (seg.isActive() && seg.isSelected()) { seg.setColor(slot, c); } } } void WS2812FX::setCCT(uint16_t k) { for (segment &seg : _segments) { if (seg.isActive() && seg.isSelected()) { seg.setCCT(k); } } } // direct=true either expects the caller to call show() themselves (realtime modes) or be ok waiting for the next frame for the change to apply // direct=false immediately triggers an effect redraw void WS2812FX::setBrightness(uint8_t b, bool direct) { if (gammaCorrectBri) b = gamma8(b); if (_brightness == b) return; _brightness = b; if (_brightness == 0) { //unfreeze all segments on power off for (segment &seg : _segments) { seg.freeze = false; } } // setting brightness with NeoPixelBusLg has no effect on already painted pixels, // so we need to force an update to existing buffer busses.setBrightness(b); if (!direct) { unsigned long t = millis(); if (_segments[0].next_time > t + 22 && t - _lastShow > MIN_SHOW_DELAY) trigger(); //apply brightness change immediately if no refresh soon } } uint8_t WS2812FX::getActiveSegsLightCapabilities(bool selectedOnly) { uint8_t totalLC = 0; for (segment &seg : _segments) { if (seg.isActive() && (!selectedOnly || seg.isSelected())) totalLC |= seg.getLightCapabilities(); } return totalLC; } uint8_t WS2812FX::getFirstSelectedSegId(void) { size_t i = 0; for (segment &seg : _segments) { if (seg.isActive() && seg.isSelected()) return i; i++; } // if none selected, use the main segment return getMainSegmentId(); } void WS2812FX::setMainSegmentId(uint8_t n) { _mainSegment = 0; if (n < _segments.size()) { _mainSegment = n; } return; } uint8_t WS2812FX::getLastActiveSegmentId(void) { for (size_t i = _segments.size() -1; i > 0; i--) { if (_segments[i].isActive()) return i; } return 0; } uint8_t WS2812FX::getActiveSegmentsNum(void) { uint8_t c = 0; for (size_t i = 0; i < _segments.size(); i++) { if (_segments[i].isActive()) c++; } return c; } uint16_t WS2812FX::getLengthTotal(void) { uint16_t len = Segment::maxWidth * Segment::maxHeight; // will be _length for 1D (see finalizeInit()) but should cover whole matrix for 2D if (isMatrix && _length > len) len = _length; // for 2D with trailing strip return len; } uint16_t WS2812FX::getLengthPhysical(void) { uint16_t len = 0; for (size_t b = 0; b < busses.getNumBusses(); b++) { Bus *bus = busses.getBus(b); if (bus->getType() >= TYPE_NET_DDP_RGB) continue; //exclude non-physical network busses len += bus->getLength(); } return len; } //used for JSON API info.leds.rgbw. Little practical use, deprecate with info.leds.rgbw. //returns if there is an RGBW bus (supports RGB and White, not only white) //not influenced by auto-white mode, also true if white slider does not affect output white channel bool WS2812FX::hasRGBWBus(void) { for (size_t b = 0; b < busses.getNumBusses(); b++) { Bus *bus = busses.getBus(b); if (bus == nullptr || bus->getLength()==0) break; if (bus->hasRGB() && bus->hasWhite()) return true; } return false; } bool WS2812FX::hasCCTBus(void) { if (cctFromRgb && !correctWB) return false; for (size_t b = 0; b < busses.getNumBusses(); b++) { Bus *bus = busses.getBus(b); if (bus == nullptr || bus->getLength()==0) break; switch (bus->getType()) { case TYPE_ANALOG_5CH: case TYPE_ANALOG_2CH: return true; } } return false; } void WS2812FX::purgeSegments(bool force) { // remove all inactive segments (from the back) int deleted = 0; if (_segments.size() <= 1) return; for (size_t i = _segments.size()-1; i > 0; i--) if (_segments[i].stop == 0 || force) { deleted++; _segments.erase(_segments.begin() + i); } if (deleted) { _segments.shrink_to_fit(); if (_mainSegment >= _segments.size()) setMainSegmentId(0); } } Segment& WS2812FX::getSegment(uint8_t id) { return _segments[id >= _segments.size() ? getMainSegmentId() : id]; // vectors } // sets new segment bounds, queues if that segment is currently running void WS2812FX::setSegment(uint8_t segId, uint16_t i1, uint16_t i2, uint8_t grouping, uint8_t spacing, uint16_t offset, uint16_t startY, uint16_t stopY) { if (segId >= getSegmentsNum()) { if (i2 <= i1) return; // do not append empty/inactive segments appendSegment(Segment(0, strip.getLengthTotal())); segId = getSegmentsNum()-1; // segments are added at the end of list } if (_queuedChangesSegId == segId) _queuedChangesSegId = 255; // cancel queued change if already queued for this segment if (segId < getMaxSegments() && segId == getCurrSegmentId() && isServicing()) { // queue change to prevent concurrent access // queuing a change for a second segment will lead to the loss of the first change if not yet applied // however this is not a problem as the queued change is applied immediately after the effect function in that segment returns _qStart = i1; _qStop = i2; _qStartY = startY; _qStopY = stopY; _qGrouping = grouping; _qSpacing = spacing; _qOffset = offset; _queuedChangesSegId = segId; return; // queued changes are applied immediately after effect function returns } _segments[segId].setUp(i1, i2, grouping, spacing, offset, startY, stopY); } void WS2812FX::setUpSegmentFromQueuedChanges() { if (_queuedChangesSegId >= getSegmentsNum()) return; getSegment(_queuedChangesSegId).setUp(_qStart, _qStop, _qGrouping, _qSpacing, _qOffset, _qStartY, _qStopY); _queuedChangesSegId = 255; } void WS2812FX::restartRuntime() { for (segment &seg : _segments) seg.markForReset(); } void WS2812FX::resetSegments() { _segments.clear(); // destructs all Segment as part of clearing #ifndef WLED_DISABLE_2D segment seg = isMatrix ? Segment(0, Segment::maxWidth, 0, Segment::maxHeight) : Segment(0, _length); #else segment seg = Segment(0, _length); #endif _segments.push_back(seg); _mainSegment = 0; } void WS2812FX::makeAutoSegments(bool forceReset) { if (autoSegments) { //make one segment per bus uint16_t segStarts[MAX_NUM_SEGMENTS] = {0}; uint16_t segStops [MAX_NUM_SEGMENTS] = {0}; size_t s = 0; #ifndef WLED_DISABLE_2D // 2D segment is the 1st one using entire matrix if (isMatrix) { segStarts[0] = 0; segStops[0] = Segment::maxWidth*Segment::maxHeight; s++; } #endif for (size_t i = s; i < busses.getNumBusses(); i++) { Bus* b = busses.getBus(i); segStarts[s] = b->getStart(); segStops[s] = segStarts[s] + b->getLength(); #ifndef WLED_DISABLE_2D if (isMatrix && segStops[s] < Segment::maxWidth*Segment::maxHeight) continue; // ignore buses comprising matrix if (isMatrix && segStarts[s] < Segment::maxWidth*Segment::maxHeight) segStarts[s] = Segment::maxWidth*Segment::maxHeight; #endif //check for overlap with previous segments for (size_t j = 0; j < s; j++) { if (segStops[j] > segStarts[s] && segStarts[j] < segStops[s]) { //segments overlap, merge segStarts[j] = min(segStarts[s],segStarts[j]); segStops [j] = max(segStops [s],segStops [j]); segStops[s] = 0; s--; } } s++; } _segments.clear(); _segments.reserve(s); // prevent reallocations // there is always at least one segment (but we need to differentiate between 1D and 2D) #ifndef WLED_DISABLE_2D if (isMatrix) _segments.push_back(Segment(0, Segment::maxWidth, 0, Segment::maxHeight)); else #endif _segments.push_back(Segment(segStarts[0], segStops[0])); for (size_t i = 1; i < s; i++) { _segments.push_back(Segment(segStarts[i], segStops[i])); } } else { if (forceReset || getSegmentsNum() == 0) resetSegments(); //expand the main seg to the entire length, but only if there are no other segments, or reset is forced else if (getActiveSegmentsNum() == 1) { size_t i = getLastActiveSegmentId(); #ifndef WLED_DISABLE_2D _segments[i].start = 0; _segments[i].stop = Segment::maxWidth; _segments[i].startY = 0; _segments[i].stopY = Segment::maxHeight; _segments[i].grouping = 1; _segments[i].spacing = 0; #else _segments[i].start = 0; _segments[i].stop = _length; #endif } } _mainSegment = 0; fixInvalidSegments(); } void WS2812FX::fixInvalidSegments() { //make sure no segment is longer than total (sanity check) for (size_t i = getSegmentsNum()-1; i > 0; i--) { if (isMatrix) { #ifndef WLED_DISABLE_2D if (_segments[i].start >= Segment::maxWidth * Segment::maxHeight) { // 1D segment at the end of matrix if (_segments[i].start >= _length || _segments[i].startY > 0 || _segments[i].stopY > 1) { _segments.erase(_segments.begin()+i); continue; } if (_segments[i].stop > _length) _segments[i].stop = _length; continue; } if (_segments[i].start >= Segment::maxWidth || _segments[i].startY >= Segment::maxHeight) { _segments.erase(_segments.begin()+i); continue; } if (_segments[i].stop > Segment::maxWidth) _segments[i].stop = Segment::maxWidth; if (_segments[i].stopY > Segment::maxHeight) _segments[i].stopY = Segment::maxHeight; #endif } else { if (_segments[i].start >= _length) { _segments.erase(_segments.begin()+i); continue; } if (_segments[i].stop > _length) _segments[i].stop = _length; } } // this is always called as the last step after finalizeInit(), update covered bus types for (segment &seg : _segments) seg.refreshLightCapabilities(); } //true if all segments align with a bus, or if a segment covers the total length //irrelevant in 2D set-up bool WS2812FX::checkSegmentAlignment() { bool aligned = false; for (segment &seg : _segments) { for (uint8_t b = 0; bgetStart() && seg.stop == bus->getStart() + bus->getLength()) aligned = true; } if (seg.start == 0 && seg.stop == _length) aligned = true; if (!aligned) return false; } return true; } //After this function is called, setPixelColor() will use that segment (offsets, grouping, ... will apply) //Note: If called in an interrupt (e.g. JSON API), original segment must be restored, //otherwise it can lead to a crash on ESP32 because _segment_index is modified while in use by the main thread uint8_t WS2812FX::setPixelSegment(uint8_t n) { uint8_t prevSegId = _segment_index; if (n < _segments.size()) { _segment_index = n; _virtualSegmentLength = _segments[_segment_index].virtualLength(); } return prevSegId; } void WS2812FX::setRange(uint16_t i, uint16_t i2, uint32_t col) { if (i2 >= i) { for (uint16_t x = i; x <= i2; x++) setPixelColor(x, col); } else { for (uint16_t x = i2; x <= i; x++) setPixelColor(x, col); } } void WS2812FX::setTransitionMode(bool t) { for (segment &seg : _segments) seg.startTransition(t ? _transitionDur : 0); } #ifdef WLED_DEBUG void WS2812FX::printSize() { size_t size = 0; for (const Segment &seg : _segments) size += seg.getSize(); DEBUG_PRINTF("Segments: %d -> %uB\n", _segments.size(), size); DEBUG_PRINTF("Modes: %d*%d=%uB\n", sizeof(mode_ptr), _mode.size(), (_mode.capacity()*sizeof(mode_ptr))); DEBUG_PRINTF("Data: %d*%d=%uB\n", sizeof(const char *), _modeData.size(), (_modeData.capacity()*sizeof(const char *))); DEBUG_PRINTF("Map: %d*%d=%uB\n", sizeof(uint16_t), (int)customMappingSize, customMappingSize*sizeof(uint16_t)); size = getLengthTotal(); if (useGlobalLedBuffer) DEBUG_PRINTF("Buffer: %d*%u=%uB\n", sizeof(CRGB), size, size*sizeof(CRGB)); } #endif void WS2812FX::loadCustomPalettes() { byte tcp[72]; //support gradient palettes with up to 18 entries CRGBPalette16 targetPalette; customPalettes.clear(); // start fresh for (int index = 0; index<10; index++) { char fileName[32]; sprintf_P(fileName, PSTR("/palette%d.json"), index); StaticJsonDocument<1536> pDoc; // barely enough to fit 72 numbers if (WLED_FS.exists(fileName)) { DEBUG_PRINT(F("Reading palette from ")); DEBUG_PRINTLN(fileName); if (readObjectFromFile(fileName, nullptr, &pDoc)) { JsonArray pal = pDoc[F("palette")]; if (!pal.isNull() && pal.size()>4) { // not an empty palette (at least 2 entries) if (pal[0].is() && pal[1].is()) { // we have an array of index & hex strings size_t palSize = MIN(pal.size(), 36); palSize -= palSize % 2; // make sure size is multiple of 2 for (size_t i=0, j=0; i()<256; i+=2, j+=4) { uint8_t rgbw[] = {0,0,0,0}; tcp[ j ] = (uint8_t) pal[ i ].as(); // index colorFromHexString(rgbw, pal[i+1].as()); // will catch non-string entires for (size_t c=0; c<3; c++) tcp[j+1+c] = rgbw[c]; // only use RGB component DEBUG_PRINTF("%d(%d) : %d %d %d\n", i, int(tcp[j]), int(tcp[j+1]), int(tcp[j+2]), int(tcp[j+3])); } } else { size_t palSize = MIN(pal.size(), 72); palSize -= palSize % 4; // make sure size is multiple of 4 for (size_t i=0; i()<256; i+=4) { tcp[ i ] = (uint8_t) pal[ i ].as(); // index tcp[i+1] = (uint8_t) pal[i+1].as(); // R tcp[i+2] = (uint8_t) pal[i+2].as(); // G tcp[i+3] = (uint8_t) pal[i+3].as(); // B DEBUG_PRINTF("%d(%d) : %d %d %d\n", i, int(tcp[i]), int(tcp[i+1]), int(tcp[i+2]), int(tcp[i+3])); } } customPalettes.push_back(targetPalette.loadDynamicGradientPalette(tcp)); } } } else { break; } } } //load custom mapping table from JSON file (called from finalizeInit() or deserializeState()) bool WS2812FX::deserializeMap(uint8_t n) { // 2D support creates its own ledmap (on the fly) if a ledmap.json exists it will overwrite built one. char fileName[32]; strcpy_P(fileName, PSTR("/ledmap")); if (n) sprintf(fileName +7, "%d", n); strcat(fileName, ".json"); bool isFile = WLED_FS.exists(fileName); if (!isFile) { // erase custom mapping if selecting nonexistent ledmap.json (n==0) if (!isMatrix && !n && customMappingTable != nullptr) { customMappingSize = 0; delete[] customMappingTable; customMappingTable = nullptr; } return false; } if (!requestJSONBufferLock(7)) return false; if (!readObjectFromFile(fileName, nullptr, &doc)) { releaseJSONBufferLock(); return false; //if file does not exist just exit } DEBUG_PRINT(F("Reading LED map from ")); DEBUG_PRINTLN(fileName); // erase old custom ledmap if (customMappingTable != nullptr) { customMappingSize = 0; delete[] customMappingTable; customMappingTable = nullptr; } JsonArray map = doc[F("map")]; if (!map.isNull() && map.size()) { // not an empty map customMappingSize = map.size(); customMappingTable = new uint16_t[customMappingSize]; for (uint16_t i=0; i