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WLED/wled00/json.cpp

1037 wiersze
32 KiB
C++
Czysty Wina Historia

#include "wled.h"
#include "palettes.h"
/*
* JSON API (De)serialization
*/
void deserializeSegment(JsonObject elem, byte it, byte presetId)
{
byte id = elem["id"] | it;
if (id >= strip.getMaxSegments()) return;
WS2812FX::Segment& seg = strip.getSegment(id);
//WS2812FX::Segment prev;
//prev = seg; //make a backup so we can tell if something changed
uint16_t start = elem["start"] | seg.start;
int stop = elem["stop"] | -1;
if (stop < 0) {
uint16_t len = elem[F("len")];
stop = (len > 0) ? start + len : seg.stop;
}
// multiply segment 0 (?) if requested untill all LEDs are used
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
uint16_t len = stop - start;
for (byte i=id+1; i<strip.getMaxSegments(); i++) {
start = start + len;
if (start >= strip.getLengthTotal()) break;
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;
}
if (elem["n"]) {
// name field exists
if (seg.name) { //clear old name
delete[] seg.name;
seg.name = nullptr;
}
const char * name = elem["n"].as<const char*>();
size_t len = 0;
if (name != nullptr) len = strlen(name);
if (len > 0 && len < 33) {
seg.name = new char[len+1];
if (seg.name) strlcpy(seg.name, name, 33);
} else {
// but is empty (already deleted above)
elem.remove("n");
}
} else if (start != seg.start || stop != seg.stop) {
// clearing or setting segment without name field
if (seg.name) {
delete[] seg.name;
seg.name = nullptr;
}
}
uint16_t grp = elem["grp"] | seg.grouping;
uint16_t spc = elem[F("spc")] | seg.spacing;
uint16_t of = seg.offset;
if (!(elem[F("spc")].isNull() && elem["grp"].isNull())) effectChanged = true; //send UDP
uint16_t len = 1;
if (stop > start) len = stop - start;
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;
strip.setSegment(id, start, stop, grp, spc, of);
byte segbri = 0;
if (getVal(elem["bri"], &segbri)) {
if (segbri > 0) seg.setOpacity(segbri, id);
seg.setOption(SEG_OPTION_ON, segbri, id);
}
bool on = elem["on"] | seg.getOption(SEG_OPTION_ON);
if (elem["on"].is<const char*>() && elem["on"].as<const char*>()[0] == 't') on = !on;
seg.setOption(SEG_OPTION_ON, on, id);
bool frz = elem["frz"] | seg.getOption(SEG_OPTION_FREEZE);
if (elem["frz"].is<const char*>() && elem["frz"].as<const char*>()[0] == 't') frz = !seg.getOption(SEG_OPTION_FREEZE);
seg.setOption(SEG_OPTION_FREEZE, frz, id);
uint8_t cctPrev = seg.cct;
seg.setCCT(elem["cct"] | seg.cct, id);
if (seg.cct != cctPrev && id == strip.getMainSegmentId()) effectChanged = true; //send UDP
JsonArray colarr = elem["col"];
if (!colarr.isNull())
{
for (uint8_t i = 0; i < 3; i++)
{
int rgbw[] = {0,0,0,0};
bool colValid = false;
JsonArray colX = colarr[i];
if (colX.isNull()) {
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, id);
if (kelvin > 0) colorKtoRGB(kelvin, brgbw);
colValid = true;
} else { //HEX string, e.g. "FFAA00"
colValid = colorFromHexString(brgbw, hexCol);
}
for (uint8_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
byte cp = copyArray(colX, rgbw, 4);
if (cp == 1 && rgbw[0] == 0)
seg.setColor(i, 0, id);
colValid = true;
}
if (!colValid) continue;
if (id == strip.getMainSegmentId() && i < 2) //temporary, to make transition work on main segment
{
if (i == 0) {col[0] = rgbw[0]; col[1] = rgbw[1]; col[2] = rgbw[2]; col[3] = rgbw[3];}
if (i == 1) {colSec[0] = rgbw[0]; colSec[1] = rgbw[1]; colSec[2] = rgbw[2]; colSec[3] = rgbw[3];}
} else { //normal case, apply directly to segment
seg.setColor(i, ((rgbw[3] << 24) | ((rgbw[0]&0xFF) << 16) | ((rgbw[1]&0xFF) << 8) | ((rgbw[2]&0xFF))), id);
if (seg.mode == FX_MODE_STATIC) strip.trigger(); //instant refresh
}
}
}
// 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
//if (pal != seg.palette && pal < strip.getPaletteCount()) strip.setPalette(pal);
seg.setOption(SEG_OPTION_SELECTED, elem[F("sel")] | seg.getOption(SEG_OPTION_SELECTED));
seg.setOption(SEG_OPTION_REVERSED, elem["rev"] | seg.getOption(SEG_OPTION_REVERSED));
seg.setOption(SEG_OPTION_MIRROR , elem[F("mi")] | seg.getOption(SEG_OPTION_MIRROR ));
if (!(elem[F("sel")].isNull() && elem["rev"].isNull() && elem["on"].isNull() && elem[F("mi")].isNull())) effectChanged = true; //send UDP
//temporary, strip object gets updated via colorUpdated()
if (id == strip.getMainSegmentId()) {
byte effectPrev = effectCurrent;
if (getVal(elem["fx"], &effectCurrent, 1, strip.getModeCount())) { //load effect ('r' random, '~' inc/dec, 1-255 exact value)
if (!presetId && effectCurrent != effectPrev) unloadPlaylist(); //stop playlist if active and FX changed manually
}
effectSpeed = elem[F("sx")] | effectSpeed;
effectIntensity = elem[F("ix")] | effectIntensity;
getVal(elem["pal"], &effectPalette, 1, strip.getPaletteCount());
} else { //permanent
byte fx = seg.mode;
byte fxPrev = fx;
if (getVal(elem["fx"], &fx, 1, strip.getModeCount())) { //load effect ('r' random, '~' inc/dec, 1-255 exact value)
strip.setMode(id, fx);
if (!presetId && seg.mode != fxPrev) unloadPlaylist(); //stop playlist if active and FX changed manually
}
seg.speed = elem[F("sx")] | seg.speed;
seg.intensity = elem[F("ix")] | seg.intensity;
getVal(elem["pal"], &seg.palette, 1, strip.getPaletteCount());
}
JsonArray iarr = elem[F("i")]; //set individual LEDs
if (!iarr.isNull()) {
strip.setPixelSegment(id);
//freeze and init to black
if (!seg.getOption(SEG_OPTION_FREEZE)) {
seg.setOption(SEG_OPTION_FREEZE, true);
strip.fill(0);
}
uint16_t start = 0, stop = 0;
byte set = 0; //0 nothing set, 1 start set, 2 range set
for (uint16_t i = 0; i < iarr.size(); i++) {
if(iarr[i].is<JsonInteger>()) {
if (!set) {
start = iarr[i];
set = 1;
} else {
stop = iarr[i];
set = 2;
}
} else { //color
int 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 (uint8_t c = 0; c < 4; c++) rgbw[c] = brgbw[c];
}
}
if (set < 2) stop = start + 1;
for (uint16_t i = start; i < stop; i++) {
if (strip.gammaCorrectCol) {
strip.setPixelColor(i, strip.gamma8(rgbw[0]), strip.gamma8(rgbw[1]), strip.gamma8(rgbw[2]), strip.gamma8(rgbw[3]));
} else {
strip.setPixelColor(i, rgbw[0], rgbw[1], rgbw[2], rgbw[3]);
}
}
if (!set) start++;
set = 0;
}
}
strip.setPixelSegment(255);
strip.trigger();
} else if (!elem["frz"] && iarr.isNull()) { //return to regular effect
seg.setOption(SEG_OPTION_FREEZE, false);
}
return; // seg.differs(prev);
}
// deserializes WLED state (fileDoc points to doc object (root) if called from web server, MQTT, IR, preset; not from UDP)
bool deserializeState(JsonObject root, byte callMode, byte presetId)
{
DEBUG_PRINTLN(F("Deserializing state"));
strip.applyToAllSelected = false;
bool stateResponse = root[F("v")] | false;
getVal(root["bri"], &bri);
bool on = root["on"] | (bri > 0);
if (!on != !bri) toggleOnOff();
if (root["on"].is<const char*>() && root["on"].as<const char*>()[0] == 't') toggleOnOff();
int 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;
transitionDelay *= 100;
transitionDelayTemp = transitionDelay;
}
}
tr = root[F("tt")] | -1;
if (tr >= 0)
{
transitionDelayTemp = tr;
transitionDelayTemp *= 100;
jsonTransitionOnce = true;
}
strip.setTransition(transitionDelayTemp);
tr = root[F("tb")] | -1;
if (tr >= 0) strip.timebase = ((uint32_t)tr) - millis();
JsonObject nl = root["nl"];
nightlightActive = nl["on"] | nightlightActive;
nightlightDelayMins = nl[F("dur")] | nightlightDelayMins;
nightlightMode = nl[F("mode")] | nightlightMode;
nightlightTargetBri = nl[F("tbri")] | nightlightTargetBri;
JsonObject udpn = root["udpn"];
notifyDirect = udpn["send"] | notifyDirect;
receiveNotifications = udpn["recv"] | receiveNotifications;
if ((bool)udpn[F("nn")]) callMode = CALL_MODE_NO_NOTIFY; //send no notification just for this request
unsigned long timein = root[F("time")] | UINT32_MAX; //backup time source if NTP not synced
if (timein != UINT32_MAX) {
setTimeFromAPI(timein);
if (presetsModifiedTime == 0) presetsModifiedTime = timein;
}
doReboot = root[F("rb")] | doReboot;
realtimeOverride = root[F("lor")] | realtimeOverride;
if (realtimeOverride > 2) realtimeOverride = REALTIME_OVERRIDE_ALWAYS;
if (root.containsKey("live")) {
bool lv = root["live"];
if (lv) realtimeLock(65000); //enter realtime without timeout
else realtimeTimeout = 0; //cancel realtime mode immediately
}
byte prevMain = strip.getMainSegmentId();
strip.mainSegment = root[F("mainseg")] | prevMain;
if (strip.getMainSegmentId() != prevMain) setValuesFromMainSeg();
int it = 0;
JsonVariant segVar = root["seg"];
if (segVar.is<JsonObject>())
{
int id = segVar["id"] | -1;
if (id < 0) { //set all selected segments
bool didSet = false;
byte lowestActive = 99;
for (byte s = 0; s < strip.getMaxSegments(); s++)
{
WS2812FX::Segment &sg = strip.getSegment(s);
if (sg.isActive())
{
if (lowestActive == 99) lowestActive = s;
if (sg.isSelected()) {
deserializeSegment(segVar, s, presetId);
didSet = true;
}
}
}
if (!didSet && lowestActive < strip.getMaxSegments()) deserializeSegment(segVar, lowestActive, presetId);
} else { //set only the segment with the specified ID
deserializeSegment(segVar, it, presetId);
}
} else {
JsonArray segs = segVar.as<JsonArray>();
for (JsonObject elem : segs)
{
deserializeSegment(elem, it, presetId);
it++;
}
}
#ifndef WLED_DISABLE_CRONIXIE
if (root["nx"].is<const char*>()) {
strncpy(cronixieDisplay, root["nx"], 6);
}
#endif
usermods.readFromJsonState(root);
loadLedmap = root[F("ledmap")] | loadLedmap;
byte ps = root[F("psave")];
if (ps > 0) {
DEBUG_PRINTLN(F("Saving preset"));
savePreset(ps, true, nullptr, root);
} else {
ps = root[F("pdel")]; //deletion
if (ps > 0) {
DEBUG_PRINTLN(F("Deleting preset"));
deletePreset(ps);
}
ps = presetCycCurr;
if (getVal(root["ps"], &ps, presetCycMin, presetCycMax)) { //load preset (clears state request!)
if (!presetId) unloadPlaylist(); //stop playlist if preset changed manually
if (ps >= presetCycMin && ps <= presetCycMax) presetCycCurr = ps;
applyPreset(ps, callMode);
return stateResponse;
}
//HTTP API commands
const char* httpwin = root["win"];
if (httpwin) {
String apireq = "win&";
apireq += httpwin;
handleSet(nullptr, apireq, false);
}
}
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=~
} else {
interfaceUpdateCallMode = CALL_MODE_WS_SEND;
}
colorUpdated(callMode);
return stateResponse;
}
void serializeSegment(JsonObject& root, WS2812FX::Segment& seg, byte id, bool forPreset, bool segmentBounds)
{
root["id"] = id;
if (segmentBounds) {
root["start"] = seg.start;
root["stop"] = seg.stop;
}
if (!forPreset) root[F("len")] = seg.stop - seg.start;
root["grp"] = seg.grouping;
root[F("spc")] = seg.spacing;
root[F("of")] = seg.offset;
root["on"] = seg.getOption(SEG_OPTION_ON);
root["frz"] = seg.getOption(SEG_OPTION_FREEZE);
byte segbri = seg.opacity;
root["bri"] = (segbri) ? segbri : 255;
root["cct"] = seg.cct;
if (segmentBounds && seg.name != nullptr) root["n"] = reinterpret_cast<const char *>(seg.name);
// 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.isRgbw ? PSTR("[%u,%u,%u,%u]") : PSTR("[%u,%u,%u]");
for (uint8_t i = 0; i < 3; i++)
{
byte segcol[4]; byte* c = segcol;
if (id == strip.getMainSegmentId() && i < 2) //temporary, to make transition work on main segment
{
c = (i == 0)? col:colSec;
} else {
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_P(tmpcol, PSTR(",")) : tmpcol);
}
strcat_P(colstr, PSTR("]"));
root["col"] = serialized(colstr);
root["fx"] = seg.mode;
root[F("sx")] = seg.speed;
root[F("ix")] = seg.intensity;
root["pal"] = seg.palette;
root[F("sel")] = seg.isSelected();
root["rev"] = seg.getOption(SEG_OPTION_REVERSED);
root[F("mi")] = seg.getOption(SEG_OPTION_MIRROR);
}
void serializeState(JsonObject root, bool forPreset, bool includeBri, bool segmentBounds)
{
if (includeBri) {
root["on"] = (bri > 0);
root["bri"] = briLast;
root[F("transition")] = transitionDelay/100; //in 100ms
root[F("tdd")] = transitionDelayDefault/100; //in 100ms
}
if (!forPreset) {
if (errorFlag) {root[F("error")] = errorFlag; errorFlag = ERR_NONE;}
root["ps"] = (currentPreset > 0) ? currentPreset : -1;
root[F("pl")] = currentPlaylist;
usermods.addToJsonState(root);
JsonObject nl = root.createNestedObject("nl");
nl["on"] = nightlightActive;
nl[F("dur")] = nightlightDelayMins;
nl[F("mode")] = nightlightMode;
nl[F("tbri")] = nightlightTargetBri;
if (nightlightActive) {
nl[F("rem")] = (nightlightDelayMs - (millis() - nightlightStartTime)) / 1000; // seconds remaining
} else {
nl[F("rem")] = -1;
}
JsonObject udpn = root.createNestedObject("udpn");
udpn["send"] = notifyDirect;
udpn["recv"] = receiveNotifications;
root[F("lor")] = realtimeOverride;
}
root[F("mainseg")] = strip.getMainSegmentId();
JsonArray seg = root.createNestedArray("seg");
for (byte s = 0; s < strip.getMaxSegments(); s++)
{
WS2812FX::Segment &sg = strip.getSegment(s);
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")] = WLED_CODENAME;
JsonObject leds = root.createNestedObject("leds");
leds[F("count")] = strip.getLengthTotal();
leds[F("rgbw")] = strip.isRgbw;
leds[F("wv")] = false;
leds["cct"] = correctWB || strip.hasCCTBus();
switch (Bus::getAutoWhiteMode()) {
case RGBW_MODE_MANUAL_ONLY:
case RGBW_MODE_DUAL:
if (strip.isRgbw) leds[F("wv")] = true;
break;
}
JsonArray leds_pin = leds.createNestedArray("pin");
for (uint8_t s=0; s<busses.getNumBusses(); s++) {
Bus *bus = busses.getBus(s);
uint8_t pins[5];
bus->getPins(pins);
leds_pin.add(pins[0]); // need to elaborate this for multipin strips
}
leds[F("pwr")] = strip.currentMilliamps;
leds["fps"] = strip.getFps();
leds[F("maxpwr")] = (strip.currentMilliamps)? strip.ablMilliampsMax : 0;
leds[F("maxseg")] = strip.getMaxSegments();
//leds[F("seglock")] = false; //might be used in the future to prevent modifications to segment config
root[F("str")] = syncToggleReceive;
root[F("name")] = serverDescription;
root[F("udpport")] = udpPort;
root["live"] = (bool)realtimeMode;
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;
}
if (realtimeIP[0] == 0)
{
root[F("lip")] = "";
} else {
root[F("lip")] = 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")] = strip.getPaletteCount();
JsonObject wifi_info = root.createNestedObject("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();
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
root[F("arch")] = "esp32";
root[F("core")] = ESP.getSdkVersion();
//root[F("maxalloc")] = ESP.getMaxAllocHeap();
#ifdef WLED_DEBUG
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("maxalloc")] = ESP.getMaxFreeBlockSize();
#ifdef WLED_DEBUG
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) && defined(WLED_USE_PSRAM)
if (psramFound()) root[F("psram")] = ESP.getFreePsram();
#endif
root[F("uptime")] = millis()/1000 + rolloverMillis*4294967;
usermods.addToJsonInfo(root);
byte os = 0;
#ifdef WLED_DEBUG
os = 0x80;
#endif
#ifndef WLED_DISABLE_ALEXA
os += 0x40;
#endif
#ifndef WLED_DISABLE_BLYNK
os += 0x20;
#endif
#ifndef WLED_DISABLE_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")] = "WLED";
root[F("product")] = F("FOSS");
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
uint16_t 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, AsyncWebServerRequest* request)
{
#ifdef ESP8266
int itemPerPage = 5;
#else
int itemPerPage = 8;
#endif
int page = 0;
if (request->hasParam("page")) {
page = request->getParam("page")->value().toInt();
}
int palettesCount = strip.getPaletteCount();
int maxPage = (palettesCount -1) / itemPerPage;
if (page > maxPage) page = maxPage;
int start = itemPerPage * page;
int end = start + itemPerPage;
if (end >= palettesCount) end = palettesCount;
root[F("m")] = maxPage;
JsonObject palettes = root.createNestedObject("p");
for (int i = start; i < end; i++) {
JsonArray curPalette = palettes.createNestedArray(String(i));
CRGB prim;
CRGB sec;
CRGB ter;
switch (i) {
case 0: //default palette
setPaletteColors(curPalette, PartyColors_p);
break;
case 1: //random
curPalette.add("r");
curPalette.add("r");
curPalette.add("r");
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 (+tert if not off), more distinct
curPalette.add("c1");
curPalette.add("c1");
curPalette.add("c1");
curPalette.add("c1");
curPalette.add("c1");
curPalette.add("c2");
curPalette.add("c2");
curPalette.add("c2");
curPalette.add("c2");
curPalette.add("c2");
curPalette.add("c3");
curPalette.add("c3");
curPalette.add("c3");
curPalette.add("c3");
curPalette.add("c3");
curPalette.add("c1");
break;}
case 6: //Party colors
setPaletteColors(curPalette, PartyColors_p);
break;
case 7: //Cloud colors
setPaletteColors(curPalette, CloudColors_p);
break;
case 8: //Lava colors
setPaletteColors(curPalette, LavaColors_p);
break;
case 9: //Ocean colors
setPaletteColors(curPalette, OceanColors_p);
break;
case 10: //Forest colors
setPaletteColors(curPalette, ForestColors_p);
break;
case 11: //Rainbow colors
setPaletteColors(curPalette, RainbowColors_p);
break;
case 12: //Rainbow stripe colors
setPaletteColors(curPalette, RainbowStripeColors_p);
break;
default:
if (i < 13) {
break;
}
byte tcp[72];
memcpy_P(tcp, (byte*)pgm_read_dword(&(gGradientPalettes[i - 13])), 72);
setPaletteColors(curPalette, tcp);
break;
}
}
}
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;
}
}
}
void serializeModeData(JsonArray fxdata)
{
//JsonArray fxdata = root.createNestedArray("fxdata");
String lineBuffer;
bool insideQuotes = false;
char singleJsonSymbol;
size_t len = strlen_P(JSON_mode_names);
// Find the mode name in JSON
for (size_t i = 0; i < len; i++) {
singleJsonSymbol = pgm_read_byte_near(JSON_mode_names + i);
if (singleJsonSymbol == '\0') break;
switch (singleJsonSymbol) {
case '"':
insideQuotes = !insideQuotes;
break;
case '[':
if (insideQuotes) lineBuffer += singleJsonSymbol;
break;
case ']':
if (insideQuotes) {lineBuffer += singleJsonSymbol; break;}
case ',':
if (insideQuotes) {lineBuffer += singleJsonSymbol; break;}
if (lineBuffer.length() > 0) {
uint8_t endPos = lineBuffer.indexOf('@');
if (endPos>0) fxdata.add(lineBuffer.substring(endPos));
else fxdata.add("");
lineBuffer.clear();
}
break;
default:
if (!insideQuotes) break;
lineBuffer += singleJsonSymbol;
}
}
}
// deserializes mode names string into JsonArray
// also removes WLED-SR extensions (@...) from deserialised names
void serializeModeNames(JsonArray arr, const char *qstring) {
String lineBuffer;
bool insideQuotes = false;
char singleJsonSymbol;
size_t len = strlen_P(qstring);
// Find the mode name in JSON
for (size_t i = 0; i < len; i++) {
singleJsonSymbol = pgm_read_byte_near(qstring + i);
if (singleJsonSymbol == '\0') break;
switch (singleJsonSymbol) {
case '"':
insideQuotes = !insideQuotes;
break;
case '[':
break;
case ']':
case ',':
if (insideQuotes) break;
if (lineBuffer.length() > 0) {
uint8_t endPos = lineBuffer.indexOf('@');
if (endPos>0) arr.add(lineBuffer.substring(0,endPos));
else arr.add(lineBuffer);
lineBuffer.clear();
}
break;
default:
if (!insideQuotes) break;
lineBuffer += singleJsonSymbol;
}
}
}
// extracts effect mode (or palette) name from names serialized string
// caller must provide large enough buffer!
uint8_t extractModeName(uint8_t mode, const char *src, char *dest, uint8_t maxLen)
{
uint8_t qComma = 0;
bool insideQuotes = false;
uint8_t printedChars = 0;
char singleJsonSymbol;
size_t len = strlen_P(src);
// Find the mode name in JSON
for (size_t i = 0; i < len; i++) {
singleJsonSymbol = pgm_read_byte_near(src + i);
if (singleJsonSymbol == '\0') break;
switch (singleJsonSymbol) {
case '"':
insideQuotes = !insideQuotes;
break;
case '[':
case ']':
break;
case ',':
if (!insideQuotes) qComma++;
default:
if (!insideQuotes || (qComma != mode)) break;
dest[printedChars++] = singleJsonSymbol;
}
if ((qComma > mode) || (printedChars >= maxLen)) break;
}
dest[printedChars] = '\0';
char *pos = strchr(dest,'@');
if (pos) *pos = '\0';
return strlen(dest);
}
void serveJson(AsyncWebServerRequest* request)
{
byte subJson = 0;
const String& url = request->url();
if (url.indexOf("state") > 0) subJson = 1;
else if (url.indexOf("info") > 0) subJson = 2;
else if (url.indexOf("si") > 0) subJson = 3;
else if (url.indexOf("nodes") > 0) subJson = 4;
else if (url.indexOf("palx") > 0) subJson = 5;
else if (url.indexOf("fxda") > 0) subJson = 6;
else if (url.indexOf("live") > 0) {
serveLiveLeds(request);
return;
}
else if (url.indexOf(F("eff")) > 0) {
// this is going to serve raw effect names which will include WLED-SR extensions in names
request->send_P(200, "application/json", JSON_mode_names);
// if we want parsed effect names use this (warning, this will prevent UI from receiving this extension making it useless)
//AsyncJsonResponse* response = new AsyncJsonResponse(JSON_BUFFER_SIZE, true); // array document
//JsonArray doc = response->getRoot();
//deserializeModeNames(doc, JSON_mode_names); // remove WLED-SR extensions from effect names
//response->setLength();
//request->send(response);
//delete response;
return;
}
else if (url.indexOf("pal") > 0) {
request->send_P(200, "application/json", JSON_palette_names);
return;
}
else if (url.indexOf("cfg") > 0 && handleFileRead(request, "/cfg.json")) {
return;
}
else if (url.length() > 6) { //not just /json
request->send( 501, "application/json", F("{\"error\":\"Not implemented\"}"));
return;
}
if (!requestJSONBufferLock(17)) return;
AsyncJsonResponse *response = new AsyncJsonResponse(&doc, subJson==6);
JsonVariant lDoc = response->getRoot();
switch (subJson)
{
case 1: //state
serializeState(lDoc); break;
case 2: //info
serializeInfo(lDoc); break;
case 4: //node list
serializeNodes(lDoc); break;
case 5: //palettes
serializePalettes(lDoc, request); break;
case 6: // FX helper data
serializeModeData(lDoc.as<JsonArray>()); break;
default: //all
JsonObject state = lDoc.createNestedObject("state");
serializeState(state);
JsonObject info = lDoc.createNestedObject("info");
serializeInfo(info);
if (subJson != 3)
{
//lDoc[F("effects")] = serialized((const __FlashStringHelper*)JSON_mode_names);
JsonArray effects = lDoc.createNestedArray(F("effects"));
serializeModeNames(effects, JSON_mode_names); // remove WLED-SR extensions from effect names
lDoc[F("palettes")] = serialized((const __FlashStringHelper*)JSON_palette_names);
}
}
DEBUG_PRINTF("JSON buffer size: %u for request: %d\n", lDoc.memoryUsage(), subJson);
response->setLength();
request->send(response);
releaseJSONBufferLock();
}
#define MAX_LIVE_LEDS 180
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
uint16_t used = strip.getLengthTotal();
uint16_t n = (used -1) /MAX_LIVE_LEDS +1; //only serve every n'th LED if count over MAX_LIVE_LEDS
char buffer[2000];
strcpy_P(buffer, PSTR("{\"leds\":["));
obuf = buffer;
olen = 9;
for (uint16_t i= 0; i < used; i += n)
{
olen += sprintf(obuf + olen, "\"%06X\",", strip.getPixelColor(i) & 0xFFFFFF);
}
olen -= 1;
oappend((const char*)F("],\"n\":"));
oappendi(n);
oappend("}");
if (request) {
request->send(200, "application/json", buffer);
}
#ifdef WLED_ENABLE_WEBSOCKETS
else {
wsc->text(obuf, olen);
}
#endif
return true;
}
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