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Fix file browser navigation for non-ASCII folder names (#178)

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## Summary

* **What is the goal of this PR?**

Fix file browser failing to navigate into subdirectories with non-ASCII
(Korean/Unicode) folder names.

* **What changes are included?**

- Enable UTF-8 long file names in SdFat (`USE_UTF8_LONG_NAMES=1`)
- Add directory validation before iterating files
- Add `rewindDirectory()` call for stability

## Additional Context
This commit is contained in:
Eunchurn Park
2025-12-31 07:08:31 +09:00
committed by GitHub
parent 941643cf97
commit 93226c9fbb
2 changed files with 10 additions and 0 deletions
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2
platformio.ini
View File

@@ -26,6 +26,8 @@ build_flags =
-DXML_GE=0 -DXML_GE=0
-DXML_CONTEXT_BYTES=1024 -DXML_CONTEXT_BYTES=1024
-std=c++2a -std=c++2a
# Enable UTF-8 long file names in SdFat
-DUSE_UTF8_LONG_NAMES=1
; Board configuration ; Board configuration
board_build.flash_mode = dio board_build.flash_mode = dio

8
src/activities/reader/FileSelectionActivity.cpp
View File

@@ -30,7 +30,15 @@ void FileSelectionActivity::taskTrampoline(void* param) {
void FileSelectionActivity::loadFiles() { void FileSelectionActivity::loadFiles() {
files.clear(); files.clear();
selectorIndex = 0; selectorIndex = 0;
auto root = SdMan.open(basepath.c_str()); auto root = SdMan.open(basepath.c_str());
if (!root || !root.isDirectory()) {
if (root) root.close();
return;
}
root.rewindDirectory();
char name[128]; char name[128];
for (auto file = root.openNextFile(); file; file = root.openNextFile()) { for (auto file = root.openNextFile(); file; file = root.openNextFile()) {
file.getName(name, sizeof(name)); file.getName(name, sizeof(name));