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WLED/wled00/json.cpp

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#include "wled.h"
/*
* JSON API (De)serialization
*/
void deserializeSegment(JsonObject elem, byte it)
{
byte id = elem[F("id")] | it;
if (id < strip.getMaxSegments())
{
WS2812FX::Segment& seg = strip.getSegment(id);
uint16_t start = elem[F("start")] | seg.start;
int stop = elem["stop"] | -1;
if (stop < 0) {
uint16_t len = elem[F("len")];
stop = (len > 0) ? start + len : seg.stop;
}
uint16_t grp = elem[F("grp")] | seg.grouping;
uint16_t spc = elem[F("spc")] | seg.spacing;
strip.setSegment(id, start, stop, grp, spc);
int segbri = elem["bri"] | -1;
if (segbri == 0) {
seg.setOption(SEG_OPTION_ON, 0);
} else if (segbri > 0) {
seg.opacity = segbri;
seg.setOption(SEG_OPTION_ON, 1);
}
seg.setOption(SEG_OPTION_ON, elem["on"] | seg.getOption(SEG_OPTION_ON));
JsonArray colarr = elem[F("col")];
if (!colarr.isNull())
{
for (uint8_t i = 0; i < 3; i++)
{
JsonArray colX = colarr[i];
if (colX.isNull()) break;
byte sz = colX.size();
if (sz > 0 && sz < 5)
{
int rgbw[] = {0,0,0,0};
byte cp = copyArray(colX, rgbw);
if (cp == 1) {
if (rgbw[0] == 0) seg.colors[i] = 0;
else {
byte ctrgb[] = {0,0,0,0};
colorKtoRGB(rgbw[0], ctrgb);
for (uint8_t c = 0; c < 3; c++) rgbw[c] = ctrgb[c];
}
}
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 {
seg.colors[i] = ((rgbw[3] << 24) | ((rgbw[0]&0xFF) << 16) | ((rgbw[1]&0xFF) << 8) | ((rgbw[2]&0xFF)));
}
}
}
}
// 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[F("rev")] | seg.getOption(SEG_OPTION_REVERSED));
seg.setOption(SEG_OPTION_MIRROR , elem[F("mi")] | seg.getOption(SEG_OPTION_MIRROR ));
//temporary, strip object gets updated via colorUpdated()
if (id == strip.getMainSegmentId()) {
effectCurrent = elem[F("fx")] | effectCurrent;
effectSpeed = elem[F("sx")] | effectSpeed;
effectIntensity = elem[F("ix")] | effectIntensity;
effectPalette = elem[F("pal")] | effectPalette;
} else { //permanent
byte fx = elem[F("fx")] | seg.mode;
if (fx != seg.mode && fx < strip.getModeCount()) strip.setMode(id, fx);
seg.speed = elem[F("sx")] | seg.speed;
seg.intensity = elem[F("ix")] | seg.intensity;
seg.palette = elem[F("pal")] | seg.palette;
}
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 {
JsonArray icol = iarr[i];
if (icol.isNull()) break;
byte sz = icol.size();
if (sz == 0 && sz > 4) break;
int rgbw[] = {0,0,0,0};
byte cp = copyArray(icol, rgbw);
if (set < 2) stop = start + 1;
for (uint16_t i = start; i < stop; i++) {
strip.setPixelColor(i, rgbw[0], rgbw[1], rgbw[2], rgbw[3]);
}
if (!set) start++;
set = 0;
}
}
strip.setPixelSegment(255);
strip.trigger();
} else { //return to regular effect
seg.setOption(SEG_OPTION_FREEZE, false);
}
}
}
bool deserializeState(JsonObject root)
{
strip.applyToAllSelected = false;
bool stateResponse = root[F("v")] | false;
bri = root["bri"] | bri;
bool on = root["on"] | (bri > 0);
if (!on != !bri) toggleOnOff();
int tr = root[F("transition")] | -1;
if (tr >= 0)
{
transitionDelay = tr;
transitionDelay *= 100;
}
tr = root[F("tt")] | -1;
if (tr >= 0)
{
transitionDelayTemp = tr;
transitionDelayTemp *= 100;
jsonTransitionOnce = true;
}
int cy = root[F("pl")] | -2;
if (cy > -2) presetCyclingEnabled = (cy >= 0);
JsonObject ccnf = root["ccnf"];
presetCycleMin = ccnf[F("min")] | presetCycleMin;
presetCycleMax = ccnf[F("max")] | presetCycleMax;
tr = ccnf[F("time")] | -1;
if (tr >= 2) presetCycleTime = tr;
JsonObject nl = root["nl"];
nightlightActive = nl["on"] | nightlightActive;
nightlightDelayMins = nl[F("dur")] | nightlightDelayMins;
nightlightMode = nl[F("fade")] | nightlightMode; //deprecated
nightlightMode = nl[F("mode")] | nightlightMode;
nightlightTargetBri = nl[F("tbri")] | nightlightTargetBri;
JsonObject udpn = root["udpn"];
notifyDirect = udpn[F("send")] | notifyDirect;
receiveNotifications = udpn[F("recv")] | receiveNotifications;
bool noNotification = udpn[F("nn")]; //send no notification just for this request
unsigned long timein = root[F("time")] | -1;
if (timein != -1) {
if (millis() - ntpLastSyncTime > 50000000L) setTime(timein);
if (presetsModifiedTime == 0) presetsModifiedTime = timein;
}
doReboot = root[F("rb")] | doReboot;
realtimeOverride = root[F("lor")] | realtimeOverride;
if (realtimeOverride > 2) realtimeOverride = REALTIME_OVERRIDE_ALWAYS;
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[F("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);
didSet = true;
}
}
}
if (!didSet && lowestActive < strip.getMaxSegments()) deserializeSegment(segVar, lowestActive);
} else { //set only the segment with the specified ID
deserializeSegment(segVar, it);
}
} else {
JsonArray segs = segVar.as<JsonArray>();
for (JsonObject elem : segs)
{
deserializeSegment(elem, it);
it++;
}
}
usermods.readFromJsonState(root);
int ps = root[F("psave")] | -1;
if (ps > 0) {
savePreset(ps, true, nullptr, root);
} else {
ps = root[F("pdel")] | -1; //deletion
if (ps > 0) {
deletePreset(ps);
}
ps = root["ps"] | -1; //load preset (clears state request!)
if (ps >= 0) {applyPreset(ps); 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); return stateResponse;
}
colorUpdated(noNotification ? NOTIFIER_CALL_MODE_NO_NOTIFY : NOTIFIER_CALL_MODE_DIRECT_CHANGE);
return stateResponse;
}
void serializeSegment(JsonObject& root, WS2812FX::Segment& seg, byte id, bool forPreset, bool segmentBounds)
{
root[F("id")] = id;
if (segmentBounds) {
root[F("start")] = seg.start;
root["stop"] = seg.stop;
}
if (!forPreset) root[F("len")] = seg.stop - seg.start;
root[F("grp")] = seg.grouping;
root[F("spc")] = seg.spacing;
root["on"] = seg.getOption(SEG_OPTION_ON);
byte segbri = seg.opacity;
root["bri"] = (segbri) ? segbri : 255;
JsonArray colarr = root.createNestedArray("col");
for (uint8_t i = 0; i < 3; i++)
{
JsonArray colX = colarr.createNestedArray();
if (id == strip.getMainSegmentId() && i < 2) //temporary, to make transition work on main segment
{
if (i == 0) {
colX.add(col[0]); colX.add(col[1]); colX.add(col[2]); if (useRGBW) colX.add(col[3]);
} else {
colX.add(colSec[0]); colX.add(colSec[1]); colX.add(colSec[2]); if (useRGBW) colX.add(colSec[3]);
}
} else {
colX.add((seg.colors[i] >> 16) & 0xFF);
colX.add((seg.colors[i] >> 8) & 0xFF);
colX.add((seg.colors[i]) & 0xFF);
if (useRGBW)
colX.add((seg.colors[i] >> 24) & 0xFF);
}
}
root[F("fx")] = seg.mode;
root[F("sx")] = seg.speed;
root[F("ix")] = seg.intensity;
root[F("pal")] = seg.palette;
root[F("sel")] = seg.isSelected();
root[F("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
}
if (!forPreset) {
if (errorFlag) root[F("error")] = errorFlag;
root[F("ps")] = currentPreset;
root[F("pss")] = savedPresets;
root[F("pl")] = (presetCyclingEnabled) ? 0: -1;
usermods.addToJsonState(root);
//temporary for preset cycle
JsonObject ccnf = root.createNestedObject("ccnf");
ccnf[F("min")] = presetCycleMin;
ccnf[F("max")] = presetCycleMax;
ccnf[F("time")] = presetCycleTime;
JsonObject nl = root.createNestedObject("nl");
nl["on"] = nightlightActive;
nl[F("dur")] = nightlightDelayMins;
nl[F("fade")] = (nightlightMode > NL_MODE_SET); //deprecated
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[F("send")] = notifyDirect;
udpn[F("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;
}
}
}
//by https://github.com/tzapu/WiFiManager/blob/master/WiFiManager.cpp
int getSignalQuality(int rssi)
{
int quality = 0;
if (rssi <= -100)
{
quality = 0;
}
else if (rssi >= -50)
{
quality = 100;
}
else
{
quality = 2 * (rssi + 100);
}
return quality;
}
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")] = ledCount;
leds[F("rgbw")] = useRGBW;
leds[F("wv")] = useRGBW && (strip.rgbwMode == RGBW_MODE_MANUAL_ONLY || strip.rgbwMode == RGBW_MODE_DUAL); //should a white channel slider be displayed?
JsonArray leds_pin = leds.createNestedArray("pin");
leds_pin.add(LEDPIN);
leds[F("pwr")] = strip.currentMilliamps;
leds[F("maxpwr")] = (strip.currentMilliamps)? strip.ablMilliampsMax : 0;
leds[F("maxseg")] = strip.getMaxSegments();
leds[F("seglock")] = false; //will be used in the future to prevent modifications to segment config
root[F("str")] = syncToggleReceive;
root[F("name")] = serverDescription;
root[F("udpport")] = udpPort;
root[F("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;
#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;
#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();
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;
}
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("live") > 0) {
serveLiveLeds(request);
return;
}
else if (url.indexOf(F("eff")) > 0) {
request->send_P(200, "application/json", JSON_mode_names);
return;
}
else if (url.indexOf(F("pal")) > 0) {
request->send_P(200, "application/json", JSON_palette_names);
return;
}
else if (url.length() > 6) { //not just /json
request->send( 501, "application/json", F("{\"error\":\"Not implemented\"}"));
return;
}
AsyncJsonResponse* response = new AsyncJsonResponse(JSON_BUFFER_SIZE);
JsonObject doc = response->getRoot();
switch (subJson)
{
case 1: //state
serializeState(doc); break;
case 2: //info
serializeInfo(doc); break;
default: //all
JsonObject state = doc.createNestedObject("state");
serializeState(state);
JsonObject info = doc.createNestedObject("info");
serializeInfo(info);
if (subJson != 3)
{
doc[F("effects")] = serialized((const __FlashStringHelper*)JSON_mode_names);
doc[F("palettes")] = serialized((const __FlashStringHelper*)JSON_palette_names);
}
}
response->setLength();
request->send(response);
}
#define MAX_LIVE_LEDS 180
bool serveLiveLeds(AsyncWebServerRequest* request, uint32_t wsClient)
{
AsyncWebSocketClient * wsc;
if (!request) { //not HTTP, use Websockets
#ifdef WLED_ENABLE_WEBSOCKETS
wsc = ws.client(wsClient);
if (!wsc || wsc->queueLength() > 0) return false; //only send if queue free
#endif
}
uint16_t used = ledCount;
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));
}
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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