From a830d5b6b79fc7db649c7f2990b59d00597c296c Mon Sep 17 00:00:00 2001
From: Alex Voinea <voinea.dragos.alexandru@gmail.com>
Date: Tue, 9 Feb 2021 20:31:02 +0200
Subject: [PATCH] getfilename_next

---
 Firmware/cardreader.cpp | 15 ++++++++++++++-
 Firmware/cardreader.h   |  1 +
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/Firmware/cardreader.cpp b/Firmware/cardreader.cpp
index 0d61b5f49..23669ca97 100644
--- a/Firmware/cardreader.cpp
+++ b/Firmware/cardreader.cpp
@@ -665,6 +665,15 @@ void CardReader::getfilename_simple(uint32_t position, const char * const match/
 	lsDive("", *curDir, match);
 }
 
+void CardReader::getfilename_next(uint32_t position, const char * const match/*=NULL*/)
+{
+	curDir = &workDir;
+	lsAction = LS_GetFilename;
+	nrFiles = 1;
+	curDir->seekSet(position);
+	lsDive("", *curDir, match);
+}
+
 uint16_t CardReader::getnrfilenames()
 {
   curDir=&workDir;
@@ -792,7 +801,10 @@ void CardReader::presort() {
 			for (uint16_t i = 0; i < fileCnt; i++) {
 				if (!IS_SD_INSERTED) return;
 				manage_heater();
-				getfilename(i);
+				if (i == 0)
+					getfilename(0);
+				else
+					getfilename_next(position);
 				sort_order[i] = i;
 				sort_positions[i] = position;
 				#if HAS_FOLDER_SORTING
@@ -966,6 +978,7 @@ void CardReader::presort() {
 		}
 		else {
 			sort_order[0] = 0;
+			getfilename(0);
 			sort_positions[0] = position;
 		}
 
diff --git a/Firmware/cardreader.h b/Firmware/cardreader.h
index 9b5c5196d..84462f6a8 100644
--- a/Firmware/cardreader.h
+++ b/Firmware/cardreader.h
@@ -31,6 +31,7 @@ public:
 
   void getfilename(uint16_t nr, const char* const match=NULL);
   void getfilename_simple(uint32_t position, const char * const match = NULL);
+  void getfilename_next(uint32_t position, const char * const match = NULL);
   uint16_t getnrfilenames();
   
   void getAbsFilename(char *t);