76 lines
2.1 KiB
C++
76 lines
2.1 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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bool applyPreset(byte index)
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{
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if (fileDoc) {
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errorFlag = readObjectFromFileUsingId("/presets.json", index, fileDoc) ? ERR_NONE : ERR_FS_PLOAD;
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JsonObject fdo = fileDoc->as<JsonObject>();
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if (fdo["ps"] == index) fdo.remove("ps"); //remove load request for same presets to prevent recursive crash
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#ifdef WLED_DEBUG_FS
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serializeJson(*fileDoc, Serial);
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#endif
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deserializeState(fdo);
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} else {
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DEBUGFS_PRINTLN(F("Make read buf"));
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DynamicJsonDocument fDoc(JSON_BUFFER_SIZE);
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errorFlag = readObjectFromFileUsingId("/presets.json", index, &fDoc) ? ERR_NONE : ERR_FS_PLOAD;
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JsonObject fdo = fDoc.as<JsonObject>();
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if (fdo["ps"] == index) fdo.remove("ps");
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#ifdef WLED_DEBUG_FS
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serializeJson(fDoc, Serial);
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#endif
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deserializeState(fdo);
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}
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if (!errorFlag) {
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currentPreset = index;
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isPreset = true;
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return true;
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}
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return false;
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}
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void savePreset(byte index, bool persist, const char* pname, JsonObject saveobj)
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{
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if (index == 0 || index > 250) return;
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bool docAlloc = fileDoc;
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JsonObject sObj = saveobj;
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if (!docAlloc) {
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DEBUGFS_PRINTLN(F("Allocating saving buffer"));
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fileDoc = new DynamicJsonDocument(JSON_BUFFER_SIZE);
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sObj = fileDoc->to<JsonObject>();
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if (pname) sObj["n"] = pname;
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} else {
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DEBUGFS_PRINTLN(F("Reuse recv buffer"));
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sObj.remove(F("psave"));
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sObj.remove(F("v"));
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}
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if (!sObj["o"]) {
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DEBUGFS_PRINTLN(F("Save current state"));
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serializeState(sObj, true, sObj["ib"], sObj["sb"]);
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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("error"));
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sObj.remove(F("time"));
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writeObjectToFileUsingId("/presets.json", index, fileDoc);
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if (!docAlloc) delete fileDoc;
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presetsModifiedTime = now(); //unix time
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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 = now(); //unix time
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updateFSInfo();
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} |