kopia lustrzana https://github.com/Aircoookie/WLED
209 wiersze
7.1 KiB
C++
209 wiersze
7.1 KiB
C++
#include "wled.h"
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/*
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* Methods to handle saving and loading presets to/from the filesystem
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*/
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#ifdef ARDUINO_ARCH_ESP32
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static char *tmpRAMbuffer = nullptr;
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#endif
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static volatile byte presetToApply = 0;
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static volatile byte callModeToApply = 0;
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bool applyPreset(byte index, byte callMode)
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{
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DEBUG_PRINT(F("Request to apply preset: "));
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DEBUG_PRINTLN(index);
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presetToApply = index;
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callModeToApply = callMode;
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/*
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// the following is needed in case of HTTP JSON API call to return correct state to the caller
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// fromJson is true in case when deserializeState() was called with presetId==0
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if (fromJson) handlePresets(true); // force immediate processing
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*/
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return true;
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}
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void handlePresets()
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{
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bool changePreset = false;
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uint8_t tmpPreset = presetToApply; // store temporary since deserializeState() may call applyPreset()
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uint8_t tmpMode = callModeToApply;
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if (tmpPreset == 0 || (fileDoc /*&& !force*/)) return; // JSON buffer already allocated and not force apply or no preset waiting
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JsonObject fdo;
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const char *filename = tmpPreset < 255 ? "/presets.json" : "/tmp.json";
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/*
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* The following code is no longer needed as handlePreset() is never run from
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* network callback.
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* **************************************************************************
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*
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//crude way to determine if this was called by a network request
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uint8_t core = 1;
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#ifdef ARDUINO_ARCH_ESP32
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#if !defined(CONFIG_IDF_TARGET_ESP32C3) && !defined(CONFIG_IDF_TARGET_ESP32S2)
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// this does not make sense on single core
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core = xPortGetCoreID();
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#endif
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#endif
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//only allow use of fileDoc from the core responsible for network requests (AKA HTTP JSON API)
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//do not use active network request doc from preset called by main loop (playlist, schedule, ...)
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if (fileDoc && core && force && tmpPreset < 255) {
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DEBUG_PRINT(F("Force applying preset: "));
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DEBUG_PRINTLN(presetToApply);
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presetToApply = 0; //clear request for preset
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callModeToApply = 0;
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// this will overwrite doc with preset content but applyPreset() is the last in such case and content of doc is no longer needed
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errorFlag = readObjectFromFileUsingId(filename, tmpPreset, fileDoc) ? ERR_NONE : ERR_FS_PLOAD;
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JsonObject fdo = fileDoc->as<JsonObject>();
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//HTTP API commands
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const char* httpwin = fdo["win"];
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if (httpwin) {
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String apireq = "win"; // reduce flash string usage
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apireq += F("&IN&"); // internal call
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apireq += httpwin;
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handleSet(nullptr, apireq, false); // may call applyPreset() via PL=
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setValuesFromFirstSelectedSeg(); // fills legacy values
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changePreset = true;
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} else {
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if (!fdo["seg"].isNull()) unloadPlaylist(); // if preset contains "seg" we must unload playlist
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if (!fdo["seg"].isNull() || !fdo["on"].isNull() || !fdo["bri"].isNull() || !fdo["ps"].isNull() || !fdo[F("playlist")].isNull()) changePreset = true;
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fdo.remove("ps"); //remove load request for presets to prevent recursive crash
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deserializeState(fdo, tmpMode, tmpPreset); // may call applyPreset() which will overwrite presetToApply
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}
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if (!errorFlag && changePreset) presetCycCurr = currentPreset = tmpPreset;
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colorUpdated(tmpMode);
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return;
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}
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if (force) return; // something went wrong with force option (most likely WS request), quit and wait for async load
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*/
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// allocate buffer
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if (!requestJSONBufferLock(9)) return; // will also assign fileDoc
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presetToApply = 0; //clear request for preset
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callModeToApply = 0;
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DEBUG_PRINT(F("Applying preset: "));
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DEBUG_PRINTLN(tmpPreset);
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#ifdef ARDUINO_ARCH_ESP32
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if (tmpPreset==255 && tmpRAMbuffer!=nullptr) {
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deserializeJson(*fileDoc,tmpRAMbuffer);
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errorFlag = ERR_NONE;
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} else
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#endif
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{
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errorFlag = readObjectFromFileUsingId(filename, tmpPreset, fileDoc) ? ERR_NONE : ERR_FS_PLOAD;
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}
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fdo = fileDoc->as<JsonObject>();
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//HTTP API commands
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const char* httpwin = fdo["win"];
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if (httpwin) {
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String apireq = "win"; // reduce flash string usage
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apireq += F("&IN&"); // internal call
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apireq += httpwin;
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handleSet(nullptr, apireq, false); // may call applyPreset() via PL=
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setValuesFromFirstSelectedSeg(); // fills legacy values
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changePreset = true;
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} else {
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if (!fdo["seg"].isNull() || !fdo["on"].isNull() || !fdo["bri"].isNull() || !fdo["nl"].isNull() || !fdo["ps"].isNull() || !fdo[F("playlist")].isNull()) changePreset = true;
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fdo.remove("ps"); //remove load request for presets to prevent recursive crash
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deserializeState(fdo, CALL_MODE_NO_NOTIFY, tmpPreset); // may change presetToApply by calling applyPreset()
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}
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if (!errorFlag && tmpPreset < 255 && changePreset) presetCycCurr = currentPreset = tmpPreset;
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#if defined(ARDUINO_ARCH_ESP32)
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//Aircoookie recommended not to delete buffer
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if (tmpPreset==255 && tmpRAMbuffer!=nullptr) {
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free(tmpRAMbuffer);
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tmpRAMbuffer = nullptr;
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}
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#endif
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releaseJSONBufferLock(); // will also clear fileDoc
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colorUpdated(tmpMode);
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updateInterfaces(tmpMode);
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}
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//called from handleSet(PS=) [network callback (fileDoc==nullptr), IR (irrational), deserializeState, UDP] and deserializeState() [network callback (filedoc!=nullptr)]
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void savePreset(byte index, const char* pname, JsonObject saveobj)
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{
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if (index == 0 || (index > 250 && index < 255)) return;
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char tmp[12];
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JsonObject sObj = saveobj;
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bool bufferAllocated = false;
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bool persist = (index != 255);
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const char *filename = persist ? "/presets.json" : "/tmp.json";
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if (!fileDoc) {
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// called from handleSet() HTTP API
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if (!requestJSONBufferLock(10)) return;
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sObj = fileDoc->to<JsonObject>();
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bufferAllocated = true;
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}
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if (sObj["n"].isNull() && pname == nullptr) {
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sprintf_P(tmp, PSTR("Preset %d"), index);
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sObj["n"] = tmp;
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} else if (pname) sObj["n"] = pname;
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sObj.remove(F("psave"));
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sObj.remove(F("v"));
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if (!sObj["o"]) {
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DEBUGFS_PRINTLN(F("Serialize current state"));
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if (sObj["ib"].isNull() && sObj["sb"].isNull()) serializeState(sObj, true);
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else serializeState(sObj, true, sObj["ib"], sObj["sb"]);
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if (persist) currentPreset = index;
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}
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sObj.remove("o");
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sObj.remove("ib");
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sObj.remove("sb");
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sObj.remove(F("sc"));
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sObj.remove(F("error"));
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sObj.remove(F("time"));
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#if defined(ARDUINO_ARCH_ESP32)
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if (index==255) {
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if (tmpRAMbuffer!=nullptr) free(tmpRAMbuffer);
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size_t len = measureJson(*fileDoc) + 1;
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DEBUG_PRINTLN(len);
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// if possible use SPI RAM on ESP32
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#ifdef WLED_USE_PSRAM
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if (psramFound())
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tmpRAMbuffer = (char*) ps_malloc(len);
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else
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#endif
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tmpRAMbuffer = (char*) malloc(len);
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if (tmpRAMbuffer!=nullptr) {
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serializeJson(*fileDoc, tmpRAMbuffer, len);
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} else {
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writeObjectToFileUsingId(filename, index, fileDoc);
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}
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} else
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#endif
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writeObjectToFileUsingId(filename, index, fileDoc);
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if (persist) presetsModifiedTime = toki.second(); //unix time
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if (bufferAllocated) releaseJSONBufferLock();
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updateFSInfo();
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}
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void deletePreset(byte index) {
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StaticJsonDocument<24> empty;
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writeObjectToFileUsingId("/presets.json", index, &empty);
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presetsModifiedTime = toki.second(); //unix time
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updateFSInfo();
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} |