fs improvements

src/app.cpp

@@ -47,6 +47,10 @@ void setupApp()
 	setupCurrentImage();
 	setupApiFace();
 
+	server.onNotFound([](AsyncWebServerRequest *request) {
+		request->send(404);
+	});
+
 	// TODO response
 	server.on("/stats", HTTP_GET, [](AsyncWebServerRequest *request) {
 		AsyncResponseStream *response = request->beginResponseStream("application/json");
@@ -64,11 +68,10 @@ void setupApp()
 		doc["device"]["bootCycle"] = deviceGetBootCount();
 		doc["device"]["screen"]["width"] = 640;
 		doc["device"]["screen"]["height"] = 384;
-		SPIFFS.begin();
+
 		doc["device"]["fs"]["total"] = SPIFFS.totalBytes();
 		doc["device"]["fs"]["used"] = SPIFFS.usedBytes();
 		doc["device"]["fs"]["free"] = SPIFFS.totalBytes() - SPIFFS.usedBytes();
-		SPIFFS.end();
 
 		doc["playlist"]["current"] = PlaylistGetCurrentFace();
 		doc["playlist"]["remaining"] = PlaylistGetRemainingTimeMs() / 1000;
@@ -268,7 +271,7 @@ void setupApiFace()
 	server.on("/api/face", HTTP_POST, [](AsyncWebServerRequest *request) {
 		Serial.println("post request");
 
-/*
+		/*
 		int params = request->params();
 		for (int i = 0; i < params; i++)
 		{

src/download.cpp

@@ -38,7 +38,6 @@ bool downloadFile(String url, const char *path)
 		WiFiClient *stream = http.getStreamPtr();
 
 		// persist image
-		SPIFFS.begin();
 		File file = SPIFFS.open(tmpFile, FILE_WRITE);
 		if (!file)
 		{
@@ -78,8 +77,6 @@ bool downloadFile(String url, const char *path)
 			file.close();
 			SPIFFS.remove(path);
 			SPIFFS.rename(tmpFile, path);
-
-			SPIFFS.end();
 		}
 
 		Serial.print("download completed in: ");

src/faceCalendar.cpp

@@ -39,7 +39,7 @@ void showFaceCalendar()
 	display_picture();
 	display_calender();
 
-	display.nextPage();
+	displayFlush();
 }
 
 void downloadRandomePicture()
@@ -133,8 +133,6 @@ void display_calender()
 
 void display_picture()
 {
-	SPIFFS.begin();
-
 	File file = SPIFFS.open(faceCalendarPicture, "r");
 	if (!file)
 	{
@@ -152,8 +150,6 @@ void display_picture()
 	file.close();
 
 	ImageFlushBuffer();
-
-	SPIFFS.end();
 }
 
 void display_time()