104 lines
3.1 KiB
C++
104 lines
3.1 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, byte callMode)
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{
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if (index == 0) return false;
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const char *filename = index < 255 ? "/presets.json" : "/tmp.json";
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uint8_t core = 1;
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//crude way to determine if this was called by a network request
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#ifdef ARDUINO_ARCH_ESP32
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core = xPortGetCoreID();
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#endif
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//only allow use of fileDoc from the core responsible for network requests
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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) {
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errorFlag = readObjectFromFileUsingId(filename, 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, callMode, index);
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} else {
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DEBUGFS_PRINTLN(F("Make read buf"));
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#ifdef WLED_USE_DYNAMIC_JSON
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DynamicJsonDocument doc(JSON_BUFFER_SIZE);
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#else
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if (!requestJSONBufferLock(9)) return false;
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#endif
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errorFlag = readObjectFromFileUsingId(filename, index, &doc) ? ERR_NONE : ERR_FS_PLOAD;
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JsonObject fdo = doc.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(doc, Serial);
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#endif
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deserializeState(fdo, callMode, index);
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releaseJSONBufferLock();
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}
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if (!errorFlag) {
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if (index < 255) currentPreset = index;
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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 && persist) || (index<255 && !persist)) return;
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JsonObject sObj = saveobj;
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const char *filename = persist ? "/presets.json" : "/tmp.json";
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if (!fileDoc) {
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DEBUGFS_PRINTLN(F("Allocating saving buffer"));
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#ifdef WLED_USE_DYNAMIC_JSON
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DynamicJsonDocument doc(JSON_BUFFER_SIZE);
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#else
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if (!requestJSONBufferLock(10)) return;
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#endif
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sObj = doc.to<JsonObject>();
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if (pname) sObj["n"] = pname;
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DEBUGFS_PRINTLN(F("Save current state"));
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serializeState(sObj, true);
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if (persist) currentPreset = index;
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writeObjectToFileUsingId(filename, index, &doc);
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releaseJSONBufferLock();
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} else { //from JSON API (fileDoc != nullptr)
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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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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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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("error"));
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sObj.remove(F("time"));
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writeObjectToFileUsingId(filename, index, fileDoc);
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}
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if (persist) presetsModifiedTime = toki.second(); //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 = toki.second(); //unix time
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updateFSInfo();
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} |