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WLED/wled00/json.cpp
Blaž Kristan 0f321bfb38 Compilation fixes
2025-04-23 18:38:34 +02:00

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#include "wled.h"
#include "palettes.h"
#define JSON_PATH_STATE 1
#define JSON_PATH_INFO 2
#define JSON_PATH_STATE_INFO 3
#define JSON_PATH_NODES 4
#define JSON_PATH_PALETTES 5
#define JSON_PATH_FXDATA 6
#define JSON_PATH_NETWORKS 7
#define JSON_PATH_EFFECTS 8
/*
* JSON API (De)serialization
*/
namespace {
typedef struct {
uint32_t colors[NUM_COLORS];
uint16_t start;
uint16_t stop;
uint16_t offset;
uint16_t grouping;
uint16_t spacing;
uint16_t startY;
uint16_t stopY;
uint16_t options;
uint8_t mode;
uint8_t palette;
uint8_t opacity;
uint8_t speed;
uint8_t intensity;
uint8_t custom1;
uint8_t custom2;
uint8_t custom3;
bool check1;
bool check2;
bool check3;
} SegmentCopy;
uint8_t differs(const Segment& b, const SegmentCopy& a) {
uint8_t d = 0;
if (a.start != b.start) d |= SEG_DIFFERS_BOUNDS;
if (a.stop != b.stop) d |= SEG_DIFFERS_BOUNDS;
if (a.offset != b.offset) d |= SEG_DIFFERS_GSO;
if (a.grouping != b.grouping) d |= SEG_DIFFERS_GSO;
if (a.spacing != b.spacing) d |= SEG_DIFFERS_GSO;
if (a.opacity != b.opacity) d |= SEG_DIFFERS_BRI;
if (a.mode != b.mode) d |= SEG_DIFFERS_FX;
if (a.speed != b.speed) d |= SEG_DIFFERS_FX;
if (a.intensity != b.intensity) d |= SEG_DIFFERS_FX;
if (a.palette != b.palette) d |= SEG_DIFFERS_FX;
if (a.custom1 != b.custom1) d |= SEG_DIFFERS_FX;
if (a.custom2 != b.custom2) d |= SEG_DIFFERS_FX;
if (a.custom3 != b.custom3) d |= SEG_DIFFERS_FX;
if (a.startY != b.startY) d |= SEG_DIFFERS_BOUNDS;
if (a.stopY != b.stopY) d |= SEG_DIFFERS_BOUNDS;
//bit pattern: (msb first)
// set:2, sound:2, mapping:3, transposed, mirrorY, reverseY, [reset,] paused, mirrored, on, reverse, [selected]
if ((a.options & 0b1111111111011110U) != (b.options & 0b1111111111011110U)) d |= SEG_DIFFERS_OPT;
if ((a.options & 0x0001U) != (b.options & 0x0001U)) d |= SEG_DIFFERS_SEL;
for (unsigned i = 0; i < NUM_COLORS; i++) if (a.colors[i] != b.colors[i]) d |= SEG_DIFFERS_COL;
return d;
}
}
static bool deserializeSegment(JsonObject elem, byte it, byte presetId = 0)
{
byte id = elem["id"] | it;
if (id >= WS2812FX::getMaxSegments()) return false;
bool newSeg = false;
int stop = elem["stop"] | -1;
// append segment
if (id >= strip.getSegmentsNum()) {
if (stop <= 0) return false; // ignore empty/inactive segments
strip.appendSegment(0, strip.getLengthTotal());
id = strip.getSegmentsNum()-1; // segments are added at the end of list
newSeg = true;
}
//DEBUG_PRINTLN(F("-- JSON deserialize segment."));
Segment& seg = strip.getSegment(id);
// we do not want to make segment copy as it may use a lot of RAM (effect data and pixel buffer)
// so we will create a copy of segment options and compare it with original segment when done processing
SegmentCopy prev = {
{seg.colors[0], seg.colors[1], seg.colors[2]},
seg.start,
seg.stop,
seg.offset,
seg.grouping,
seg.spacing,
seg.startY,
seg.stopY,
seg.options,
seg.mode,
seg.palette,
seg.opacity,
seg.speed,
seg.intensity,
seg.custom1,
seg.custom2,
seg.custom3,
seg.check1,
seg.check2,
seg.check3
};
int start = elem["start"] | seg.start;
if (stop < 0) {
int len = elem["len"];
stop = (len > 0) ? start + len : seg.stop;
}
// 2D segments
int startY = elem["startY"] | seg.startY;
int stopY = elem["stopY"] | seg.stopY;
//repeat, multiplies segment until all LEDs are used, or max segments reached
bool repeat = elem["rpt"] | false;
if (repeat && stop>0) {
elem.remove("id"); // remove for recursive call
elem.remove("rpt"); // remove for recursive call
elem.remove("n"); // remove for recursive call
unsigned len = stop - start;
for (size_t i=id+1; i<WS2812FX::getMaxSegments(); i++) {
start = start + len;
if (start >= strip.getLengthTotal()) break;
//TODO: add support for 2D
elem["start"] = start;
elem["stop"] = start + len;
elem["rev"] = !elem["rev"]; // alternate reverse on even/odd segments
deserializeSegment(elem, i, presetId); // recursive call with new id
}
return true;
}
if (elem["n"]) {
// name field exists
const char * name = elem["n"].as<const char*>();
seg.setName(name); // will resolve empty and null correctly
} else if (start != seg.start || stop != seg.stop) {
// clearing or setting segment without name field
seg.clearName();
}
uint16_t grp = elem["grp"] | seg.grouping;
uint16_t spc = elem[F("spc")] | seg.spacing;
uint16_t of = seg.offset;
uint8_t soundSim = elem["si"] | seg.soundSim;
uint8_t map1D2D = elem["m12"] | seg.map1D2D;
uint8_t set = elem[F("set")] | seg.set;
bool selected = getBoolVal(elem["sel"], seg.selected);
bool reverse = getBoolVal(elem["rev"], seg.reverse);
bool mirror = getBoolVal(elem["mi"] , seg.mirror);
#ifndef WLED_DISABLE_2D
bool reverse_y = getBoolVal(elem["rY"] , seg.reverse_y);
bool mirror_y = getBoolVal(elem["mY"] , seg.mirror_y);
bool transpose = getBoolVal(elem[F("tp")], seg.transpose);
#endif
// if segment's virtual dimensions change we need to restart effect (segment blending and PS rely on dimensions)
if (seg.mirror != mirror) seg.markForReset();
#ifndef WLED_DISABLE_2D
if (seg.mirror_y != mirror_y || seg.transpose != transpose) seg.markForReset();
#endif
int len = (stop > start) ? stop - start : 1;
int offset = elem[F("of")] | INT32_MAX;
if (offset != INT32_MAX) {
int offsetAbs = abs(offset);
if (offsetAbs > len - 1) offsetAbs %= len;
if (offset < 0) offsetAbs = len - offsetAbs;
of = offsetAbs;
}
if (stop > start && of > len -1) of = len -1;
// update segment (delete if necessary)
seg.setGeometry(start, stop, grp, spc, of, startY, stopY, map1D2D); // strip needs to be suspended for this to work without issues
if (newSeg) seg.refreshLightCapabilities(); // fix for #3403
if (seg.reset && seg.stop == 0) {
if (id == strip.getMainSegmentId()) strip.setMainSegmentId(0); // fix for #3403
return true; // segment was deleted & is marked for reset, no need to change anything else
}
byte segbri = seg.opacity;
if (getVal(elem["bri"], segbri)) {
if (segbri > 0) seg.setOpacity(segbri); // use transition
seg.setOption(SEG_OPTION_ON, segbri); // use transition
}
seg.setOption(SEG_OPTION_ON, getBoolVal(elem["on"], seg.on)); // use transition
seg.freeze = getBoolVal(elem["frz"], seg.freeze);
seg.setCCT(elem["cct"] | seg.cct);
JsonArray colarr = elem["col"];
if (!colarr.isNull())
{
if (seg.getLightCapabilities() & 3) {
// segment has RGB or White
for (size_t i = 0; i < NUM_COLORS; i++) {
// JSON "col" array can contain the following values for each of segment's colors (primary, background, custom):
// "col":[int|string|object|array, int|string|object|array, int|string|object|array]
// int = Kelvin temperature or 0 for black
// string = hex representation of [WW]RRGGBB
// object = individual channel control {"r":0,"g":127,"b":255,"w":255}, each being optional (valid to send {})
// array = direct channel values [r,g,b,w] (w element being optional)
int rgbw[] = {0,0,0,0};
bool colValid = false;
JsonArray colX = colarr[i];
if (colX.isNull()) {
JsonObject oCol = colarr[i];
if (!oCol.isNull()) {
// we have a JSON object for color {"w":123,"r":123,...}; allows individual channel control
rgbw[0] = oCol["r"] | R(seg.colors[i]);
rgbw[1] = oCol["g"] | G(seg.colors[i]);
rgbw[2] = oCol["b"] | B(seg.colors[i]);
rgbw[3] = oCol["w"] | W(seg.colors[i]);
colValid = true;
} else {
byte brgbw[] = {0,0,0,0};
const char* hexCol = colarr[i];
if (hexCol == nullptr) { //Kelvin color temperature (or invalid), e.g 2400
int kelvin = colarr[i] | -1;
if (kelvin < 0) continue;
if (kelvin == 0) seg.setColor(i, 0);
if (kelvin > 0) colorKtoRGB(kelvin, brgbw);
colValid = true;
} else { //HEX string, e.g. "FFAA00"
colValid = colorFromHexString(brgbw, hexCol);
}
for (size_t c = 0; c < 4; c++) rgbw[c] = brgbw[c];
}
} else { //Array of ints (RGB or RGBW color), e.g. [255,160,0]
byte sz = colX.size();
if (sz == 0) continue; //do nothing on empty array
copyArray(colX, rgbw, 4);
colValid = true;
}
if (!colValid) continue;
seg.setColor(i, RGBW32(rgbw[0],rgbw[1],rgbw[2],rgbw[3])); // use transition
if (seg.mode == FX_MODE_STATIC) strip.trigger(); //instant refresh
}
} else {
// non RGB & non White segment (usually On/Off bus)
seg.setColor(0, ULTRAWHITE); // use transition
seg.setColor(1, BLACK); // use transition
}
}
// lx parser
#ifdef WLED_ENABLE_LOXONE
int lx = elem[F("lx")] | -1;
if (lx >= 0) {
parseLxJson(lx, id, false);
}
int ly = elem[F("ly")] | -1;
if (ly >= 0) {
parseLxJson(ly, id, true);
}
#endif
seg.set = constrain(set, 0, 3);
seg.soundSim = constrain(soundSim, 0, 3);
seg.selected = selected;
seg.reverse = reverse;
seg.mirror = mirror;
#ifndef WLED_DISABLE_2D
seg.reverse_y = reverse_y;
seg.mirror_y = mirror_y;
seg.transpose = transpose;
#endif
byte fx = seg.mode;
if (getVal(elem["fx"], fx, 0, strip.getModeCount())) {
if (!presetId && currentPlaylist>=0) unloadPlaylist();
if (fx != seg.mode) seg.setMode(fx, elem[F("fxdef")]); // use transition (WARNING: may change map1D2D causing geometry change)
}
getVal(elem["sx"], seg.speed);
getVal(elem["ix"], seg.intensity);
uint8_t pal = seg.palette;
if (seg.getLightCapabilities() & 1) { // ignore palette for White and On/Off segments
if (getVal(elem["pal"], pal, 0, getPaletteCount())) seg.setPalette(pal);
}
getVal(elem["c1"], seg.custom1);
getVal(elem["c2"], seg.custom2);
uint8_t cust3 = seg.custom3;
getVal(elem["c3"], cust3, 0, 31); // we can't pass reference to bitfield
seg.custom3 = constrain(cust3, 0, 31);
seg.check1 = getBoolVal(elem["o1"], seg.check1);
seg.check2 = getBoolVal(elem["o2"], seg.check2);
seg.check3 = getBoolVal(elem["o3"], seg.check3);
uint8_t blend = seg.blendMode;
getVal(elem["bm"], blend, 0, 15); // we can't pass reference to bitfield
seg.blendMode = constrain(blend, 0, 15);
JsonArray iarr = elem[F("i")]; //set individual LEDs
if (!iarr.isNull()) {
// set brightness immediately and disable transition
jsonTransitionOnce = true;
if (seg.isInTransition()) seg.startTransition(0); // setting transition time to 0 will stop transition in next frame
strip.setTransition(0);
strip.setBrightness(scaledBri(bri), true);
// freeze and init to black
if (!seg.freeze) {
seg.freeze = true;
seg.clear();
}
unsigned iStart = 0, iStop = 0;
unsigned iSet = 0; //0 nothing set, 1 start set, 2 range set
for (size_t i = 0; i < iarr.size(); i++) {
if (iarr[i].is<JsonInteger>()) {
if (!iSet) {
iStart = abs(iarr[i].as<int>());
iSet++;
} else {
iStop = abs(iarr[i].as<int>());
iSet++;
}
} else { //color
uint8_t rgbw[] = {0,0,0,0};
JsonArray icol = iarr[i];
if (!icol.isNull()) { //array, e.g. [255,0,0]
byte sz = icol.size();
if (sz > 0 && sz < 5) copyArray(icol, rgbw);
} else { //hex string, e.g. "FF0000"
byte brgbw[] = {0,0,0,0};
const char* hexCol = iarr[i];
if (colorFromHexString(brgbw, hexCol)) {
for (size_t c = 0; c < 4; c++) rgbw[c] = brgbw[c];
}
}
if (iSet < 2 || iStop <= iStart) iStop = iStart + 1;
uint32_t c = RGBW32(rgbw[0], rgbw[1], rgbw[2], rgbw[3]);
while (iStart < iStop) seg.setRawPixelColor(iStart++, c); // sets pixel color without 1D->2D expansion, grouping or spacing
iSet = 0;
}
}
strip.trigger(); // force segment update
}
// send UDP/WS if segment options changed (except selection; will also deselect current preset)
if (differs(seg, prev) & ~SEG_DIFFERS_SEL) stateChanged = true;
return true;
}
// deserializes WLED state
// presetId is non-0 if called from handlePreset()
bool deserializeState(JsonObject root, byte callMode, byte presetId)
{
bool stateResponse = root[F("v")] | false;
#if defined(WLED_DEBUG) && defined(WLED_DEBUG_HOST)
netDebugEnabled = root[F("debug")] | netDebugEnabled;
#endif
bool onBefore = bri;
getVal(root["bri"], bri);
if (bri != briOld) stateChanged = true;
bool on = root["on"] | (bri > 0);
if (!on != !bri) toggleOnOff();
if (root["on"].is<const char*>() && root["on"].as<const char*>()[0] == 't') {
if (onBefore || !bri) toggleOnOff(); // do not toggle off again if just turned on by bri (makes e.g. "{"on":"t","bri":32}" work)
}
if (bri && !onBefore) { // unfreeze all segments when turning on
for (size_t s=0; s < strip.getSegmentsNum(); s++) {
strip.getSegment(s).freeze = false;
}
if (realtimeMode && !realtimeOverride && useMainSegmentOnly) { // keep live segment frozen if live
strip.getMainSegment().freeze = true;
}
}
long tr = -1;
if (!presetId || currentPlaylist < 0) { //do not apply transition time from preset if playlist active, as it would override playlist transition times
tr = root[F("transition")] | -1;
if (tr >= 0) {
transitionDelay = tr * 100;
strip.setTransition(transitionDelay);
}
}
blendingStyle = root[F("bs")] | blendingStyle;
blendingStyle &= 0x1F;
// temporary transition (applies only once)
tr = root[F("tt")] | -1;
if (tr >= 0) {
jsonTransitionOnce = true;
strip.setTransition(tr * 100);
}
tr = root[F("tb")] | -1;
if (tr >= 0) strip.timebase = (unsigned long)tr - millis();
JsonObject nl = root["nl"];
if (!nl.isNull()) stateChanged = true;
nightlightActive = getBoolVal(nl["on"], nightlightActive);
nightlightDelayMins = nl["dur"] | nightlightDelayMins;
nightlightMode = nl["mode"] | nightlightMode;
nightlightTargetBri = nl[F("tbri")] | nightlightTargetBri;
JsonObject udpn = root["udpn"];
sendNotificationsRT = getBoolVal(udpn[F("send")], sendNotificationsRT);
syncGroups = udpn[F("sgrp")] | syncGroups;
receiveGroups = udpn[F("rgrp")] | receiveGroups;
if ((bool)udpn[F("nn")]) callMode = CALL_MODE_NO_NOTIFY; //send no notification just for this request
unsigned long timein = root["time"] | UINT32_MAX; //backup time source if NTP not synced
if (timein != UINT32_MAX) {
setTimeFromAPI(timein);
if (presetsModifiedTime == 0) presetsModifiedTime = timein;
}
if (root[F("psave")].isNull()) doReboot = root[F("rb")] | doReboot;
// do not allow changing main segment while in realtime mode (may get odd results else)
if (!realtimeMode) strip.setMainSegmentId(root[F("mainseg")] | strip.getMainSegmentId()); // must be before realtimeLock() if "live"
realtimeOverride = root[F("lor")] | realtimeOverride;
if (realtimeOverride > 2) realtimeOverride = REALTIME_OVERRIDE_ALWAYS;
if (realtimeMode && useMainSegmentOnly) {
strip.getMainSegment().freeze = !realtimeOverride;
realtimeOverride = REALTIME_OVERRIDE_NONE; // ignore request for override if using main segment only
}
if (root.containsKey("live")) {
if (root["live"].as<bool>()) {
jsonTransitionOnce = true;
strip.setTransition(0);
realtimeLock(65000);
} else {
exitRealtime();
}
}
int it = 0;
JsonVariant segVar = root["seg"];
if (!segVar.isNull()) {
// we may be called during strip.service() so we must not modify segments while effects are executing
strip.suspend();
strip.waitForIt();
if (segVar.is<JsonObject>()) {
int id = segVar["id"] | -1;
//if "seg" is not an array and ID not specified, apply to all selected/checked segments
if (id < 0) {
//apply all selected segments
for (size_t s = 0; s < strip.getSegmentsNum(); s++) {
const Segment &sg = strip.getSegment(s);
if (sg.isActive() && sg.isSelected()) {
deserializeSegment(segVar, s, presetId);
}
}
} else {
deserializeSegment(segVar, id, presetId); //apply only the segment with the specified ID
}
} else {
size_t deleted = 0;
JsonArray segs = segVar.as<JsonArray>();
for (JsonObject elem : segs) {
if (deserializeSegment(elem, it++, presetId) && !elem["stop"].isNull() && elem["stop"]==0) deleted++;
}
if (strip.getSegmentsNum() > 3 && deleted >= strip.getSegmentsNum()/2U) strip.purgeSegments(); // batch deleting more than half segments
}
strip.resume();
}
UsermodManager::readFromJsonState(root);
loadLedmap = root[F("ledmap")] | loadLedmap;
byte ps = root[F("psave")];
if (ps > 0 && ps < 251) savePreset(ps, nullptr, root);
ps = root[F("pdel")]; //deletion
if (ps > 0 && ps < 251) deletePreset(ps);
// HTTP API commands (must be handled before "ps")
const char* httpwin = root["win"];
if (httpwin) {
String apireq = "win"; apireq += '&'; // reduce flash string usage
apireq += httpwin;
handleSet(nullptr, apireq, false); // may set stateChanged
}
// Applying preset from JSON API has 2 cases: a) "pd" AKA "preset direct" and b) "ps" AKA "preset select"
// a) "preset direct" can only be an integer value representing preset ID. "preset direct" assumes JSON API contains the rest of preset content (i.e. from UI call)
// "preset direct" JSON can contain "ps" API (i.e. call from UI to cycle presets) in such case stateChanged has to be false (i.e. no "win" or "seg" API)
// b) "preset select" can be cycling ("1~5~""), random ("r" or "1~5r"), ID, etc. value allowed from JSON API. This type of call assumes no state changing content in API call
byte presetToRestore = 0;
if (!root[F("pd")].isNull() && stateChanged) {
// a) already applied preset content (requires "seg" or "win" but will ignore the rest)
currentPreset = root[F("pd")] | currentPreset;
if (root["win"].isNull()) presetCycCurr = currentPreset; // otherwise presetCycCurr was set in handleSet() [set.cpp]
presetToRestore = currentPreset; // stateUpdated() will clear the preset, so we need to restore it after
DEBUG_PRINTF_P(PSTR("Preset direct: %d\n"), currentPreset);
} else if (!root["ps"].isNull()) {
// we have "ps" call (i.e. from button or external API call) or "pd" that includes "ps" (i.e. from UI call)
if (root["win"].isNull() && getVal(root["ps"], presetCycCurr, 1, 250) && presetCycCurr > 0 && presetCycCurr < 251 && presetCycCurr != currentPreset) {
DEBUG_PRINTF_P(PSTR("Preset select: %d\n"), presetCycCurr);
// b) preset ID only or preset that does not change state (use embedded cycling limits if they exist in getVal())
applyPreset(presetCycCurr, callMode); // async load from file system (only preset ID was specified)
return stateResponse;
} else presetCycCurr = currentPreset; // restore presetCycCurr
}
JsonObject playlist = root[F("playlist")];
if (!playlist.isNull() && loadPlaylist(playlist, presetId)) {
//do not notify here, because the first playlist entry will do
if (root["on"].isNull()) callMode = CALL_MODE_NO_NOTIFY;
else callMode = CALL_MODE_DIRECT_CHANGE; // possible bugfix for playlist only containing HTTP API preset FX=~
}
if (root.containsKey(F("rmcpal")) && root[F("rmcpal")].as<bool>()) {
if (customPalettes.size()) {
char fileName[32];
sprintf_P(fileName, PSTR("/palette%d.json"), customPalettes.size()-1);
if (WLED_FS.exists(fileName)) WLED_FS.remove(fileName);
loadCustomPalettes();
}
}
doAdvancePlaylist = root[F("np")] | doAdvancePlaylist; //advances to next preset in playlist when true
JsonObject wifi = root[F("wifi")];
if (!wifi.isNull()) {
bool apMode = getBoolVal(wifi[F("ap")], apActive);
if (!apActive && apMode) WLED::instance().initAP(); // start AP mode immediately
else if (apActive && !apMode) { // stop AP mode immediately
dnsServer.stop();
WiFi.softAPdisconnect(true);
apActive = false;
}
//bool restart = wifi[F("restart")] | false;
//if (restart) forceReconnect = true;
}
if (stateChanged) stateUpdated(callMode);
if (presetToRestore) currentPreset = presetToRestore;
return stateResponse;
}
static void serializeSegment(JsonObject& root, const Segment& seg, byte id, bool forPreset, bool segmentBounds)
{
root["id"] = id;
if (segmentBounds) {
root["start"] = seg.start;
root["stop"] = seg.stop;
#ifndef WLED_DISABLE_2D
if (strip.isMatrix) {
root[F("startY")] = seg.startY;
root[F("stopY")] = seg.stopY;
}
#endif
}
if (!forPreset) root["len"] = seg.stop - seg.start;
root["grp"] = seg.grouping;
root[F("spc")] = seg.spacing;
root[F("of")] = seg.offset;
root["on"] = seg.on;
root["frz"] = seg.freeze;
byte segbri = seg.opacity;
root["bri"] = (segbri) ? segbri : 255;
root["cct"] = seg.cct;
root[F("set")] = seg.set;
root["lc"] = seg.getLightCapabilities();
if (seg.name != nullptr) root["n"] = reinterpret_cast<const char *>(seg.name); //not good practice, but decreases required JSON buffer
else if (forPreset) root["n"] = "";
// to conserve RAM we will serialize the col array manually
// this will reduce RAM footprint from ~300 bytes to 84 bytes per segment
char colstr[70]; colstr[0] = '['; colstr[1] = '\0'; //max len 68 (5 chan, all 255)
const char *format = strip.hasWhiteChannel() ? PSTR("[%u,%u,%u,%u]") : PSTR("[%u,%u,%u]");
for (size_t i = 0; i < 3; i++)
{
byte segcol[4]; byte* c = segcol;
segcol[0] = R(seg.colors[i]);
segcol[1] = G(seg.colors[i]);
segcol[2] = B(seg.colors[i]);
segcol[3] = W(seg.colors[i]);
char tmpcol[22];
sprintf_P(tmpcol, format, (unsigned)c[0], (unsigned)c[1], (unsigned)c[2], (unsigned)c[3]);
strcat(colstr, i<2 ? strcat(tmpcol, ",") : tmpcol);
}
strcat(colstr, "]");
root["col"] = serialized(colstr);
root["fx"] = seg.mode;
root["sx"] = seg.speed;
root["ix"] = seg.intensity;
root["pal"] = seg.palette;
root["c1"] = seg.custom1;
root["c2"] = seg.custom2;
root["c3"] = seg.custom3;
root["sel"] = seg.isSelected();
root["rev"] = seg.reverse;
root["mi"] = seg.mirror;
#ifndef WLED_DISABLE_2D
if (strip.isMatrix) {
root["rY"] = seg.reverse_y;
root["mY"] = seg.mirror_y;
root[F("tp")] = seg.transpose;
}
#endif
root["o1"] = seg.check1;
root["o2"] = seg.check2;
root["o3"] = seg.check3;
root["si"] = seg.soundSim;
root["m12"] = seg.map1D2D;
root["bm"] = seg.blendMode;
}
void serializeState(JsonObject root, bool forPreset, bool includeBri, bool segmentBounds, bool selectedSegmentsOnly)
{
if (includeBri) {
root["on"] = (bri > 0);
root["bri"] = briLast;
root[F("transition")] = transitionDelay/100; //in 100ms
root[F("bs")] = blendingStyle;
}
if (!forPreset) {
if (errorFlag) {root[F("error")] = errorFlag; errorFlag = ERR_NONE;} //prevent error message to persist on screen
root["ps"] = (currentPreset > 0) ? currentPreset : -1;
root[F("pl")] = currentPlaylist;
root[F("ledmap")] = currentLedmap;
UsermodManager::addToJsonState(root);
JsonObject nl = root.createNestedObject("nl");
nl["on"] = nightlightActive;
nl["dur"] = nightlightDelayMins;
nl["mode"] = nightlightMode;
nl[F("tbri")] = nightlightTargetBri;
nl[F("rem")] = nightlightActive ? (int)(nightlightDelayMs - (millis() - nightlightStartTime)) / 1000 : -1; // seconds remaining
JsonObject udpn = root.createNestedObject("udpn");
udpn[F("send")] = sendNotificationsRT;
udpn[F("recv")] = receiveGroups != 0;
udpn[F("sgrp")] = syncGroups;
udpn[F("rgrp")] = receiveGroups;
root[F("lor")] = realtimeOverride;
}
root[F("mainseg")] = strip.getMainSegmentId();
JsonArray seg = root.createNestedArray("seg");
for (size_t s = 0; s < WS2812FX::getMaxSegments(); s++) {
if (s >= strip.getSegmentsNum()) {
if (forPreset && segmentBounds && !selectedSegmentsOnly) { //disable segments not part of preset
JsonObject seg0 = seg.createNestedObject();
seg0["stop"] = 0;
continue;
} else
break;
}
const Segment &sg = strip.getSegment(s);
if (forPreset && selectedSegmentsOnly && !sg.isSelected()) continue;
if (sg.isActive()) {
JsonObject seg0 = seg.createNestedObject();
serializeSegment(seg0, sg, s, forPreset, segmentBounds);
} else if (forPreset && segmentBounds) { //disable segments not part of preset
JsonObject seg0 = seg.createNestedObject();
seg0["stop"] = 0;
}
}
}
void serializeInfo(JsonObject root)
{
root[F("ver")] = versionString;
root[F("vid")] = VERSION;
root[F("cn")] = F(WLED_CODENAME);
root[F("release")] = releaseString;
JsonObject leds = root.createNestedObject(F("leds"));
leds[F("count")] = strip.getLengthTotal();
leds[F("pwr")] = BusManager::currentMilliamps();
leds["fps"] = strip.getFps();
leds[F("maxpwr")] = BusManager::currentMilliamps()>0 ? BusManager::ablMilliampsMax() : 0;
leds[F("maxseg")] = WS2812FX::getMaxSegments();
//leds[F("actseg")] = strip.getActiveSegmentsNum();
//leds[F("seglock")] = false; //might be used in the future to prevent modifications to segment config
leds[F("bootps")] = bootPreset;
#ifndef WLED_DISABLE_2D
if (strip.isMatrix) {
JsonObject matrix = leds.createNestedObject(F("matrix"));
matrix["w"] = Segment::maxWidth;
matrix["h"] = Segment::maxHeight;
}
#endif
unsigned totalLC = 0;
JsonArray lcarr = leds.createNestedArray(F("seglc")); // deprecated, use state.seg[].lc
size_t nSegs = strip.getSegmentsNum();
for (size_t s = 0; s < nSegs; s++) {
if (!strip.getSegment(s).isActive()) continue;
unsigned lc = strip.getSegment(s).getLightCapabilities();
totalLC |= lc;
lcarr.add(lc); // deprecated, use state.seg[].lc
}
leds["lc"] = totalLC;
leds[F("rgbw")] = strip.hasRGBWBus(); // deprecated, use info.leds.lc
leds[F("wv")] = totalLC & 0x02; // deprecated, true if white slider should be displayed for any segment
leds["cct"] = totalLC & 0x04; // deprecated, use info.leds.lc
#ifdef WLED_DEBUG
JsonArray i2c = root.createNestedArray(F("i2c"));
i2c.add(i2c_sda);
i2c.add(i2c_scl);
JsonArray spi = root.createNestedArray(F("spi"));
spi.add(spi_mosi);
spi.add(spi_sclk);
spi.add(spi_miso);
#endif
root[F("str")] = false; //syncToggleReceive;
root[F("name")] = serverDescription;
root[F("udpport")] = udpPort;
root[F("simplifiedui")] = simplifiedUI;
root["live"] = (bool)realtimeMode;
root[F("liveseg")] = useMainSegmentOnly ? strip.getMainSegmentId() : -1; // if using main segment only for live
switch (realtimeMode) {
case REALTIME_MODE_INACTIVE: root["lm"] = ""; break;
case REALTIME_MODE_GENERIC: root["lm"] = ""; break;
case REALTIME_MODE_UDP: root["lm"] = F("UDP"); break;
case REALTIME_MODE_HYPERION: root["lm"] = F("Hyperion"); break;
case REALTIME_MODE_E131: root["lm"] = F("E1.31"); break;
case REALTIME_MODE_ADALIGHT: root["lm"] = F("USB Adalight/TPM2"); break;
case REALTIME_MODE_ARTNET: root["lm"] = F("Art-Net"); break;
case REALTIME_MODE_TPM2NET: root["lm"] = F("tpm2.net"); break;
case REALTIME_MODE_DDP: root["lm"] = F("DDP"); break;
}
root[F("lip")] = realtimeIP[0] == 0 ? "" : realtimeIP.toString();
#ifdef WLED_ENABLE_WEBSOCKETS
root[F("ws")] = ws.count();
#else
root[F("ws")] = -1;
#endif
root[F("fxcount")] = strip.getModeCount();
root[F("palcount")] = getPaletteCount();
root[F("cpalcount")] = customPalettes.size(); //number of custom palettes
JsonArray ledmaps = root.createNestedArray(F("maps"));
for (size_t i=0; i<WLED_MAX_LEDMAPS; i++) {
if ((ledMaps>>i) & 0x00000001U) {
JsonObject ledmaps0 = ledmaps.createNestedObject();
ledmaps0["id"] = i;
#ifndef ESP8266
if (i && ledmapNames[i-1]) ledmaps0["n"] = ledmapNames[i-1];
#endif
}
}
JsonObject wifi_info = root.createNestedObject(F("wifi"));
wifi_info[F("bssid")] = WiFi.BSSIDstr();
int qrssi = WiFi.RSSI();
wifi_info[F("rssi")] = qrssi;
wifi_info[F("signal")] = getSignalQuality(qrssi);
wifi_info[F("channel")] = WiFi.channel();
wifi_info[F("ap")] = apActive;
JsonObject fs_info = root.createNestedObject("fs");
fs_info["u"] = fsBytesUsed / 1000;
fs_info["t"] = fsBytesTotal / 1000;
fs_info[F("pmt")] = presetsModifiedTime;
root[F("ndc")] = nodeListEnabled ? (int)Nodes.size() : -1;
#ifdef ARDUINO_ARCH_ESP32
#ifdef WLED_DEBUG
wifi_info[F("txPower")] = (int) WiFi.getTxPower();
wifi_info[F("sleep")] = (bool) WiFi.getSleep();
#endif
#if !defined(CONFIG_IDF_TARGET_ESP32C2) && !defined(CONFIG_IDF_TARGET_ESP32C3) && !defined(CONFIG_IDF_TARGET_ESP32S2) && !defined(CONFIG_IDF_TARGET_ESP32S3)
root[F("arch")] = "esp32";
#else
root[F("arch")] = ESP.getChipModel();
#endif
root[F("core")] = ESP.getSdkVersion();
root[F("clock")] = ESP.getCpuFreqMHz();
root[F("flash")] = (ESP.getFlashChipSize()/1024)/1024;
#ifdef WLED_DEBUG
root[F("maxalloc")] = ESP.getMaxAllocHeap();
root[F("resetReason0")] = (int)rtc_get_reset_reason(0);
root[F("resetReason1")] = (int)rtc_get_reset_reason(1);
#endif
root[F("lwip")] = 0; //deprecated
#else
root[F("arch")] = "esp8266";
root[F("core")] = ESP.getCoreVersion();
root[F("clock")] = ESP.getCpuFreqMHz();
root[F("flash")] = (ESP.getFlashChipSize()/1024)/1024;
#ifdef WLED_DEBUG
root[F("maxalloc")] = ESP.getMaxFreeBlockSize();
root[F("resetReason")] = (int)ESP.getResetInfoPtr()->reason;
#endif
root[F("lwip")] = LWIP_VERSION_MAJOR;
#endif
root[F("freeheap")] = ESP.getFreeHeap();
#if defined(ARDUINO_ARCH_ESP32)
if (psramFound()) root[F("psram")] = ESP.getFreePsram();
#endif
root[F("uptime")] = millis()/1000 + rolloverMillis*4294967;
char time[32];
getTimeString(time);
root[F("time")] = time;
UsermodManager::addToJsonInfo(root);
uint16_t os = 0;
#ifdef WLED_DEBUG
os = 0x80;
#ifdef WLED_DEBUG_HOST
os |= 0x0100;
if (!netDebugEnabled) os &= ~0x0080;
#endif
#endif
#ifndef WLED_DISABLE_ALEXA
os += 0x40;
#endif
//os += 0x20; // indicated now removed Blynk support, may be reused to indicate another build-time option
#ifdef USERMOD_CRONIXIE
os += 0x10;
#endif
#ifndef WLED_DISABLE_FILESYSTEM
os += 0x08;
#endif
#ifndef WLED_DISABLE_HUESYNC
os += 0x04;
#endif
#ifdef WLED_ENABLE_ADALIGHT
os += 0x02;
#endif
#ifndef WLED_DISABLE_OTA
os += 0x01;
#endif
root[F("opt")] = os;
root[F("brand")] = F(WLED_BRAND);
root[F("product")] = F(WLED_PRODUCT_NAME);
root["mac"] = escapedMac;
char s[16] = "";
if (Network.isConnected())
{
IPAddress localIP = Network.localIP();
sprintf(s, "%d.%d.%d.%d", localIP[0], localIP[1], localIP[2], localIP[3]);
}
root["ip"] = s;
}
void setPaletteColors(JsonArray json, CRGBPalette16 palette)
{
for (int i = 0; i < 16; i++) {
JsonArray colors = json.createNestedArray();
CRGB color = palette[i];
colors.add(i<<4);
colors.add(color.red);
colors.add(color.green);
colors.add(color.blue);
}
}
void setPaletteColors(JsonArray json, byte* tcp)
{
TRGBGradientPaletteEntryUnion* ent = (TRGBGradientPaletteEntryUnion*)(tcp);
TRGBGradientPaletteEntryUnion u;
// Count entries
unsigned count = 0;
do {
u = *(ent + count);
count++;
} while ( u.index != 255);
u = *ent;
int indexstart = 0;
while( indexstart < 255) {
indexstart = u.index;
JsonArray colors = json.createNestedArray();
colors.add(u.index);
colors.add(u.r);
colors.add(u.g);
colors.add(u.b);
ent++;
u = *ent;
}
}
void serializePalettes(JsonObject root, int page)
{
byte tcp[72];
#ifdef ESP8266
int itemPerPage = 5;
#else
int itemPerPage = 8;
#endif
int customPalettesCount = customPalettes.size();
int palettesCount = getPaletteCount() - customPalettesCount;
int maxPage = (palettesCount + customPalettesCount -1) / itemPerPage;
if (page > maxPage) page = maxPage;
int start = itemPerPage * page;
int end = start + itemPerPage;
if (end > palettesCount + customPalettesCount) end = palettesCount + customPalettesCount;
root[F("m")] = maxPage; // inform caller how many pages there are
JsonObject palettes = root.createNestedObject("p");
for (int i = start; i < end; i++) {
JsonArray curPalette = palettes.createNestedArray(String(i>=palettesCount ? 255 - i + palettesCount : i));
switch (i) {
case 0: //default palette
setPaletteColors(curPalette, PartyColors_p);
break;
case 1: //random
for (int j = 0; j < 4; j++) curPalette.add("r");
break;
case 2: //primary color only
curPalette.add("c1");
break;
case 3: //primary + secondary
curPalette.add("c1");
curPalette.add("c1");
curPalette.add("c2");
curPalette.add("c2");
break;
case 4: //primary + secondary + tertiary
curPalette.add("c3");
curPalette.add("c2");
curPalette.add("c1");
break;
case 5: //primary + secondary (+tertiary if not off), more distinct
for (int j = 0; j < 5; j++) curPalette.add("c1");
for (int j = 0; j < 5; j++) curPalette.add("c2");
for (int j = 0; j < 5; j++) curPalette.add("c3");
curPalette.add("c1");
break;
default:
if (i >= palettesCount)
setPaletteColors(curPalette, customPalettes[i - palettesCount]);
else if (i < 13) // palette 6 - 12, fastled palettes
setPaletteColors(curPalette, *fastledPalettes[i-6]);
else {
memcpy_P(tcp, (byte*)pgm_read_dword(&(gGradientPalettes[i - 13])), 72);
setPaletteColors(curPalette, tcp);
}
break;
}
}
}
void serializeNetworks(JsonObject root)
{
JsonArray networks = root.createNestedArray(F("networks"));
int16_t status = WiFi.scanComplete();
switch (status) {
case WIFI_SCAN_FAILED:
WiFi.scanNetworks(true);
return;
case WIFI_SCAN_RUNNING:
return;
}
for (int i = 0; i < status; i++) {
JsonObject node = networks.createNestedObject();
node[F("ssid")] = WiFi.SSID(i);
node[F("rssi")] = WiFi.RSSI(i);
node[F("bssid")] = WiFi.BSSIDstr(i);
node[F("channel")] = WiFi.channel(i);
node[F("enc")] = WiFi.encryptionType(i);
}
WiFi.scanDelete();
if (WiFi.scanComplete() == WIFI_SCAN_FAILED) {
WiFi.scanNetworks(true);
}
}
void serializeNodes(JsonObject root)
{
JsonArray nodes = root.createNestedArray("nodes");
for (NodesMap::iterator it = Nodes.begin(); it != Nodes.end(); ++it)
{
if (it->second.ip[0] != 0)
{
JsonObject node = nodes.createNestedObject();
node[F("name")] = it->second.nodeName;
node["type"] = it->second.nodeType;
node["ip"] = it->second.ip.toString();
node[F("age")] = it->second.age;
node[F("vid")] = it->second.build;
}
}
}
// deserializes mode data string into JsonArray
void serializeModeData(JsonArray fxdata)
{
char lineBuffer[256];
for (size_t i = 0; i < strip.getModeCount(); i++) {
strncpy_P(lineBuffer, strip.getModeData(i), sizeof(lineBuffer)/sizeof(char)-1);
lineBuffer[sizeof(lineBuffer)/sizeof(char)-1] = '\0'; // terminate string
if (lineBuffer[0] != 0) {
char* dataPtr = strchr(lineBuffer,'@');
if (dataPtr) fxdata.add(dataPtr+1);
else fxdata.add("");
}
}
}
// deserializes mode names string into JsonArray
// also removes effect data extensions (@...) from deserialised names
void serializeModeNames(JsonArray arr)
{
char lineBuffer[256];
for (size_t i = 0; i < strip.getModeCount(); i++) {
strncpy_P(lineBuffer, strip.getModeData(i), sizeof(lineBuffer)/sizeof(char)-1);
lineBuffer[sizeof(lineBuffer)/sizeof(char)-1] = '\0'; // terminate string
if (lineBuffer[0] != 0) {
char* dataPtr = strchr(lineBuffer,'@');
if (dataPtr) *dataPtr = 0; // terminate mode data after name
arr.add(lineBuffer);
}
}
}
// Global buffer locking response helper class (to make sure lock is released when AsyncJsonResponse is destroyed)
class LockedJsonResponse: public AsyncJsonResponse {
bool _holding_lock;
public:
// WARNING: constructor assumes requestJSONBufferLock() was successfully acquired externally/prior to constructing the instance
// Not a good practice with C++. Unfortunately AsyncJsonResponse only has 2 constructors - for dynamic buffer or existing buffer,
// with existing buffer it clears its content during construction
// if the lock was not acquired (using JSONBufferGuard class) previous implementation still cleared existing buffer
inline LockedJsonResponse(JsonDocument* doc, bool isArray) : AsyncJsonResponse(doc, isArray), _holding_lock(true) {};
virtual size_t _fillBuffer(uint8_t *buf, size_t maxLen) {
size_t result = AsyncJsonResponse::_fillBuffer(buf, maxLen);
// Release lock as soon as we're done filling content
if (((result + _sentLength) >= (_contentLength)) && _holding_lock) {
releaseJSONBufferLock();
_holding_lock = false;
}
return result;
}
// destructor will remove JSON buffer lock when response is destroyed in AsyncWebServer
virtual ~LockedJsonResponse() { if (_holding_lock) releaseJSONBufferLock(); };
};
void serveJson(AsyncWebServerRequest* request)
{
enum class json_target {
all, state, info, state_info, nodes, effects, palettes, fxdata, networks, config
};
json_target subJson = json_target::all;
const String& url = request->url();
if (url.indexOf("state") > 0) subJson = json_target::state;
else if (url.indexOf("info") > 0) subJson = json_target::info;
else if (url.indexOf("si") > 0) subJson = json_target::state_info;
else if (url.indexOf(F("nodes")) > 0) subJson = json_target::nodes;
else if (url.indexOf(F("eff")) > 0) subJson = json_target::effects;
else if (url.indexOf(F("palx")) > 0) subJson = json_target::palettes;
else if (url.indexOf(F("fxda")) > 0) subJson = json_target::fxdata;
else if (url.indexOf(F("net")) > 0) subJson = json_target::networks;
else if (url.indexOf(F("cfg")) > 0) subJson = json_target::config;
#ifdef WLED_ENABLE_JSONLIVE
else if (url.indexOf("live") > 0) {
serveLiveLeds(request);
return;
}
#endif
else if (url.indexOf("pal") > 0) {
request->send_P(200, FPSTR(CONTENT_TYPE_JSON), JSON_palette_names);
return;
}
else if (url.length() > 6) { //not just /json
serveJsonError(request, 501, ERR_NOT_IMPL);
return;
}
if (!requestJSONBufferLock(17)) {
request->deferResponse();
return;
}
// releaseJSONBufferLock() will be called when "response" is destroyed (from AsyncWebServer)
// make sure you delete "response" if no "request->send(response);" is made
LockedJsonResponse *response = new LockedJsonResponse(pDoc, subJson==json_target::fxdata || subJson==json_target::effects); // will clear and convert JsonDocument into JsonArray if necessary
JsonVariant lDoc = response->getRoot();
switch (subJson)
{
case json_target::state:
serializeState(lDoc); break;
case json_target::info:
serializeInfo(lDoc); break;
case json_target::nodes:
serializeNodes(lDoc); break;
case json_target::palettes:
serializePalettes(lDoc, request->hasParam(F("page")) ? request->getParam(F("page"))->value().toInt() : 0); break;
case json_target::effects:
serializeModeNames(lDoc); break;
case json_target::fxdata:
serializeModeData(lDoc); break;
case json_target::networks:
serializeNetworks(lDoc); break;
case json_target::config:
serializeConfig(lDoc); break;
case json_target::state_info:
case json_target::all:
JsonObject state = lDoc.createNestedObject("state");
serializeState(state);
JsonObject info = lDoc.createNestedObject("info");
serializeInfo(info);
if (subJson == json_target::all)
{
JsonArray effects = lDoc.createNestedArray(F("effects"));
serializeModeNames(effects); // remove WLED-SR extensions from effect names
lDoc[F("palettes")] = serialized((const __FlashStringHelper*)JSON_palette_names);
}
//lDoc["m"] = lDoc.memoryUsage(); // JSON buffer usage, for remote debugging
}
DEBUG_PRINTF_P(PSTR("JSON buffer size: %u for request: %d\n"), lDoc.memoryUsage(), subJson);
[[maybe_unused]] size_t len = response->setLength();
DEBUG_PRINTF_P(PSTR("JSON content length: %u\n"), len);
request->send(response);
}
#ifdef WLED_ENABLE_JSONLIVE
#define MAX_LIVE_LEDS 256
bool serveLiveLeds(AsyncWebServerRequest* request, uint32_t wsClient)
{
#ifdef WLED_ENABLE_WEBSOCKETS
AsyncWebSocketClient * wsc = nullptr;
if (!request) { //not HTTP, use Websockets
wsc = ws.client(wsClient);
if (!wsc || wsc->queueLength() > 0) return false; //only send if queue free
}
#endif
unsigned used = strip.getLengthTotal();
unsigned n = (used -1) /MAX_LIVE_LEDS +1; //only serve every n'th LED if count over MAX_LIVE_LEDS
#ifndef WLED_DISABLE_2D
if (strip.isMatrix) {
// ignore anything behid matrix (i.e. extra strip)
used = Segment::maxWidth*Segment::maxHeight; // always the size of matrix (more or less than strip.getLengthTotal())
n = 1;
if (used > MAX_LIVE_LEDS) n = 2;
if (used > MAX_LIVE_LEDS*4) n = 4;
}
#endif
DynamicBuffer buffer(9 + (9*(1+(used/n))) + 7 + 5 + 6 + 5 + 6 + 5 + 2);
char* buf = buffer.data(); // assign buffer for oappnd() functions
strncpy_P(buffer.data(), PSTR("{\"leds\":["), buffer.size());
buf += 9; // sizeof(PSTR()) from last line
for (size_t i = 0; i < used; i += n)
{
#ifndef WLED_DISABLE_2D
if (strip.isMatrix && n>1 && (i/Segment::maxWidth)%n) i += Segment::maxWidth * (n-1);
#endif
uint32_t c = strip.getPixelColor(i);
uint8_t r = R(c);
uint8_t g = G(c);
uint8_t b = B(c);
uint8_t w = W(c);
r = scale8(qadd8(w, r), strip.getBrightness()); //R, add white channel to RGB channels as a simple RGBW -> RGB map
g = scale8(qadd8(w, g), strip.getBrightness()); //G
b = scale8(qadd8(w, b), strip.getBrightness()); //B
buf += sprintf_P(buf, PSTR("\"%06X\","), RGBW32(r,g,b,0));
}
buf--; // remove last comma
buf += sprintf_P(buf, PSTR("],\"n\":%d"), n);
#ifndef WLED_DISABLE_2D
if (strip.isMatrix) {
buf += sprintf_P(buf, PSTR(",\"w\":%d"), Segment::maxWidth/n);
buf += sprintf_P(buf, PSTR(",\"h\":%d"), Segment::maxHeight/n);
}
#endif
(*buf++) = '}';
(*buf++) = 0;
if (request) {
request->send(200, FPSTR(CONTENT_TYPE_JSON), toString(std::move(buffer)));
}
#ifdef WLED_ENABLE_WEBSOCKETS
else {
wsc->text(toString(std::move(buffer)));
}
#endif
return true;
}
#endif
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