Reduce heap pressure

2026-04-17 15:53:57 +02:00
parent 2b17872c16
commit 106e9d31e6
1 changed files with 9 additions and 4 deletions
@@ -68,7 +68,7 @@ void applyLegacyStatusBarSettings(CrossPointSettings& settings) {
 // ---- CrossPointState ----

 bool JsonSettingsIO::saveState(const CrossPointState& s, const char* path) {
-  JsonDocument doc;
+  StaticJsonDocument<4096> doc;
  doc["openEpubPath"] = s.openEpubPath;
  doc["lastSleepImage"] = s.lastSleepImage;
  doc["readerActivityLoadCount"] = s.readerActivityLoadCount;
@@ -95,9 +95,14 @@ bool JsonSettingsIO::saveState(const CrossPointState& s, const char* path) {
  jump["spineIndex"] = s.pendingBookmarkJump.spineIndex;
  jump["pageNumber"] = s.pendingBookmarkJump.pageNumber;

-  String json;
-  serializeJson(doc, json);
-  return Storage.writeFile(path, json);
+  FsFile file;
+  if (!Storage.openFileForWrite("CPS", path, file)) {
+    return false;
+  }
+
+  const size_t written = serializeJson(doc, file);
+  file.close();
+  return written > 0;
 }

 bool JsonSettingsIO::loadState(CrossPointState& s, const char* json) {