Use live cfg json instead of file for usermod settings page

wled00/cfg.cpp

@@ -671,7 +671,7 @@ void deserializeConfigFromFS() {
     // call readFromConfig() with an empty object so that usermods can initialize to defaults prior to saving
     JsonObject empty = JsonObject();
     UsermodManager::readFromConfig(empty);
-    serializeConfig();
+    serializeConfigToFS();
     // init Ethernet (in case default type is set at compile time)
     #if defined(ARDUINO_ARCH_ESP32) && defined(WLED_USE_ETHERNET)
     initEthernet();
@@ -685,10 +685,10 @@ void deserializeConfigFromFS() {
   bool needsSave = deserializeConfig(root, true);
   releaseJSONBufferLock();
 
-  if (needsSave) serializeConfig(); // usermods required new parameters
+  if (needsSave) serializeConfigToFS(); // usermods required new parameters
 }
 
-void serializeConfig() {
+void serializeConfigToFS() {
   serializeConfigSec();
 
   DEBUG_PRINTLN(F("Writing settings to /cfg.json..."));
@@ -697,6 +697,17 @@ void serializeConfig() {
 
   JsonObject root = pDoc->to<JsonObject>();
 
+  serializeConfig(root);
+
+  File f = WLED_FS.open(FPSTR(s_cfg_json), "w");
+  if (f) serializeJson(root, f);
+  f.close();
+  releaseJSONBufferLock();
+
+  configNeedsWrite = false;
+}
+
+void serializeConfig(JsonObject root) {
   JsonArray rev = root.createNestedArray("rev");
   rev.add(1); //major settings revision
   rev.add(0); //minor settings revision
@@ -1111,13 +1122,6 @@ void serializeConfig() {
 
   JsonObject usermods_settings = root.createNestedObject("um");
   UsermodManager::addToConfig(usermods_settings);
-
-  File f = WLED_FS.open(FPSTR(s_cfg_json), "w");
-  if (f) serializeJson(root, f);
-  f.close();
-  releaseJSONBufferLock();
-
-  doSerializeConfig = false;
 }
 
 

wled00/data/settings_um.htm

@@ -13,7 +13,7 @@
 	function S() {
 		getLoc();
 		// load settings and insert values into DOM
-		fetch(getURL('/cfg.json'), {
+		fetch(getURL('/json/cfg'), {
 			method: 'get'
 		})
 		.then(res => {

wled00/dmx_input.cpp

@@ -22,7 +22,7 @@ void rdmPersonalityChangedCb(dmx_port_t dmxPort, const rdm_header_t *header,
   if (header->cc == RDM_CC_SET_COMMAND_RESPONSE) {
     const uint8_t personality = dmx_get_current_personality(dmx->inputPortNum);
     DMXMode = std::min(DMX_MODE_PRESET, std::max(DMX_MODE_SINGLE_RGB, int(personality)));
-    doSerializeConfig = true;
+    configNeedsWrite = true;
     DEBUG_PRINTF("DMX personality changed to to: %d\n", DMXMode);
   }
 }
@@ -40,7 +40,7 @@ void rdmAddressChangedCb(dmx_port_t dmxPort, const rdm_header_t *header,
   if (header->cc == RDM_CC_SET_COMMAND_RESPONSE) {
     const uint16_t addr = dmx_get_start_address(dmx->inputPortNum);
     DMXAddress = std::min(512, int(addr));
-    doSerializeConfig = true;
+    configNeedsWrite = true;
     DEBUG_PRINTF("DMX start addr changed to: %d\n", DMXAddress);
   }
 }

wled00/fcn_declare.h

@@ -27,7 +27,8 @@ void IRAM_ATTR touchButtonISR();
 bool deserializeConfig(JsonObject doc, bool fromFS = false);
 void deserializeConfigFromFS();
 bool deserializeConfigSec();
-void serializeConfig();
+void serializeConfig(JsonObject doc);
+void serializeConfigToFS();
 void serializeConfigSec();
 
 template<typename DestType>

wled00/improv.cpp

@@ -272,5 +272,5 @@ void parseWiFiCommand(char* rpcData) {
   improvActive = 2;
 
   forceReconnect = true;
-  serializeConfig();
+  serializeConfigToFS();
 }

wled00/json.cpp

@@ -2,15 +2,6 @@
 
 #include "palettes.h"
 
-#define JSON_PATH_STATE      1
-#define JSON_PATH_INFO       2
-#define JSON_PATH_STATE_INFO 3
-#define JSON_PATH_NODES      4
-#define JSON_PATH_PALETTES   5
-#define JSON_PATH_FXDATA     6
-#define JSON_PATH_NETWORKS   7
-#define JSON_PATH_EFFECTS    8
-
 /*
  * JSON API (De)serialization
  */
@@ -1036,16 +1027,21 @@ class LockedJsonResponse: public AsyncJsonResponse {
 
 void serveJson(AsyncWebServerRequest* request)
 {
-  byte subJson = 0;
+  enum class json_target {
+    all, state, info, state_info, nodes, effects, palettes, fxdata, networks, config
+  };
+  json_target subJson = json_target::all;
+
   const String& url = request->url();
-  if      (url.indexOf("state")    > 0) subJson = JSON_PATH_STATE;
-  else if (url.indexOf("info")     > 0) subJson = JSON_PATH_INFO;
-  else if (url.indexOf("si")       > 0) subJson = JSON_PATH_STATE_INFO;
-  else if (url.indexOf(F("nodes")) > 0) subJson = JSON_PATH_NODES;
-  else if (url.indexOf(F("eff"))   > 0) subJson = JSON_PATH_EFFECTS;
-  else if (url.indexOf(F("palx"))  > 0) subJson = JSON_PATH_PALETTES;
-  else if (url.indexOf(F("fxda"))  > 0) subJson = JSON_PATH_FXDATA;
-  else if (url.indexOf(F("net"))   > 0) subJson = JSON_PATH_NETWORKS;
+  if      (url.indexOf("state")    > 0) subJson = json_target::state;
+  else if (url.indexOf("info")     > 0) subJson = json_target::info;
+  else if (url.indexOf("si")       > 0) subJson = json_target::state_info;
+  else if (url.indexOf(F("nodes")) > 0) subJson = json_target::nodes;
+  else if (url.indexOf(F("eff"))   > 0) subJson = json_target::effects;
+  else if (url.indexOf(F("palx"))  > 0) subJson = json_target::palettes;
+  else if (url.indexOf(F("fxda"))  > 0) subJson = json_target::fxdata;
+  else if (url.indexOf(F("net"))   > 0) subJson = json_target::networks;
+  else if (url.indexOf(F("cfg"))   > 0) subJson = json_target::config;
   #ifdef WLED_ENABLE_JSONLIVE
   else if (url.indexOf("live")     > 0) {
     serveLiveLeds(request);
@@ -1056,9 +1052,6 @@ void serveJson(AsyncWebServerRequest* request)
     request->send_P(200, FPSTR(CONTENT_TYPE_JSON), JSON_palette_names);
     return;
   }
-  else if (url.indexOf(F("cfg")) > 0 && handleFileRead(request, F("/cfg.json"))) {
-    return;
-  }
   else if (url.length() > 6) { //not just /json
     serveJsonError(request, 501, ERR_NOT_IMPL);
     return;
@@ -1070,32 +1063,35 @@ void serveJson(AsyncWebServerRequest* request)
   }
   // releaseJSONBufferLock() will be called when "response" is destroyed (from AsyncWebServer)
   // make sure you delete "response" if no "request->send(response);" is made
-  LockedJsonResponse *response = new LockedJsonResponse(pDoc, subJson==JSON_PATH_FXDATA || subJson==JSON_PATH_EFFECTS); // will clear and convert JsonDocument into JsonArray if necessary
+  LockedJsonResponse *response = new LockedJsonResponse(pDoc, subJson==json_target::fxdata || subJson==json_target::effects); // will clear and convert JsonDocument into JsonArray if necessary
 
   JsonVariant lDoc = response->getRoot();
 
   switch (subJson)
   {
-    case JSON_PATH_STATE:
+    case json_target::state:
       serializeState(lDoc); break;
-    case JSON_PATH_INFO:
+    case json_target::info:
       serializeInfo(lDoc); break;
-    case JSON_PATH_NODES:
+    case json_target::nodes:
       serializeNodes(lDoc); break;
-    case JSON_PATH_PALETTES:
+    case json_target::palettes:
       serializePalettes(lDoc, request->hasParam(F("page")) ? request->getParam(F("page"))->value().toInt() : 0); break;
-    case JSON_PATH_EFFECTS:
+    case json_target::effects:
       serializeModeNames(lDoc); break;
-    case JSON_PATH_FXDATA:
+    case json_target::fxdata:
       serializeModeData(lDoc); break;
-    case JSON_PATH_NETWORKS:
+    case json_target::networks:
       serializeNetworks(lDoc); break;
-    default: //all
+    case json_target::config:
+      serializeConfig(lDoc); break;
+    case json_target::state_info:
+    case json_target::all:
       JsonObject state = lDoc.createNestedObject("state");
       serializeState(state);
       JsonObject info = lDoc.createNestedObject("info");
       serializeInfo(info);
-      if (subJson != JSON_PATH_STATE_INFO)
+      if (subJson == json_target::all)
       {
         JsonArray effects = lDoc.createNestedArray(F("effects"));
         serializeModeNames(effects); // remove WLED-SR extensions from effect names

wled00/presets.cpp

@@ -242,7 +242,7 @@ void savePreset(byte index, const char* pname, JsonObject sObj)
   if (!sObj[FPSTR(bootPS)].isNull()) {
     bootPreset = sObj[FPSTR(bootPS)] | bootPreset;
     sObj.remove(FPSTR(bootPS));
-    doSerializeConfig = true;
+    configNeedsWrite = true;
   }
 
   if (sObj.size()==0 || sObj["o"].isNull()) { // no "o" means not a playlist or custom API call, saving of state is async (not immediately)

wled00/set.cpp

@@ -805,8 +805,8 @@ void handleSettingsSet(AsyncWebServerRequest *request, byte subPage)
 
   lastEditTime = millis();
   // do not save if factory reset or LED settings (which are saved after LED re-init)
-  doSerializeConfig = subPage != SUBPAGE_LEDS && !(subPage == SUBPAGE_SEC && doReboot);
-  if (subPage == SUBPAGE_UM) doReboot = request->hasArg(F("RBT")); // prevent race condition on dual core system (set reboot here, after doSerializeConfig has been set)
+  configNeedsWrite = subPage != SUBPAGE_LEDS && !(subPage == SUBPAGE_SEC && doReboot);
+  if (subPage == SUBPAGE_UM) doReboot = request->hasArg(F("RBT")); // prevent race condition on dual core system (set reboot here, after configNeedsWrite has been set)
   #ifndef WLED_DISABLE_ALEXA
   if (subPage == SUBPAGE_SYNC) alexaInit();
   #endif

wled00/wled.cpp

@@ -193,14 +193,14 @@ void WLED::loop()
     if (aligned) strip.makeAutoSegments();
     else strip.fixInvalidSegments();
     BusManager::setBrightness(bri); // fix re-initialised bus' brightness
-    doSerializeConfig = true;
+    configNeedsWrite = true;
   }
   if (loadLedmap >= 0) {
     strip.deserializeMap(loadLedmap);
     loadLedmap = -1;
   }
   yield();
-  if (doSerializeConfig) serializeConfig();
+  if (configNeedsWrite) serializeConfigToFS();
 
   yield();
   handleWs();
@@ -223,7 +223,7 @@ void WLED::loop()
   }
 #endif
 
-  if (doReboot && (!doInitBusses || !doSerializeConfig)) // if busses have to be inited & saved, wait until next iteration
+  if (doReboot && (!doInitBusses || !configNeedsWrite)) // if busses have to be inited & saved, wait until next iteration
     reset();
 
 // DEBUG serial logging (every 30s)

wled00/wled.h

@@ -877,7 +877,7 @@ WLED_GLOBAL byte errorFlag _INIT(0);
 WLED_GLOBAL String messageHead, messageSub;
 WLED_GLOBAL byte optionType;
 
-WLED_GLOBAL bool doSerializeConfig _INIT(false);        // flag to initiate saving of config
+WLED_GLOBAL bool configNeedsWrite  _INIT(false);        // flag to initiate saving of config
 WLED_GLOBAL bool doReboot          _INIT(false);        // flag to initiate reboot from async handlers
 
 WLED_GLOBAL bool psramSafe         _INIT(true);         // is it safe to use PSRAM (on ESP32 rev.1; compiler fix used "-mfix-esp32-psram-cache-issue")

wled00/wled_server.cpp

@@ -328,7 +328,7 @@ void initServer()
         interfaceUpdateCallMode = CALL_MODE_WS_SEND; // schedule WS update
         serveJson(request); return; //if JSON contains "v"
       } else {
-        doSerializeConfig = true; //serializeConfig(); //Save new settings to FS
+        configNeedsWrite = true; //Save new settings to FS
       }
     }
     request->send(200, CONTENT_TYPE_JSON, F("{\"success\":true}"));