Function initFileSystem

samples/Basic_IFS/app/application.cpp:157–313

}

bool initFileSystem()
{
	fileFreeFileSystem();

	auto initialFreeheap = system_get_free_heap_size();
	debug_i("Initial freeheap = %u", initialFreeheap);

#ifdef ENABLE_FLASHSTRING_IMAGE
	// Create a partition wrapping some flashstring data
	auto part =
		Storage::progMem.editablePartitions().add(F("fwfsMem"), fwfsImage, Storage::Partition::SubType::Data::fwfs);
#else
	auto part = Storage::findDefaultPartition(Storage::Partition::SubType::Data::fwfs);
#endif

	// Read-only
	auto fs = IFS::createFirmwareFilesystem(part);

	if(fs == nullptr) {
		debug_e("Failed to created filesystem object");
		return false;
	}

	auto mount = [&](IFS::FileSystem* fs) {
		int res = fs->mount();
		debug_i("heap used: %u, mount() returned %d (%s)", initialFreeheap - system_get_free_heap_size(), res,
				fs->getErrorString(res).c_str());
		return res == FS_OK;
	};

	if(!mount(fs)) {
		delete fs;
		return false;
	}

	// Make this the default filesystem
	fileSetFileSystem(fs);

	// Let's mount an LFS volume as well
	initialFreeheap = system_get_free_heap_size();
	part = Storage::findDefaultPartition(Storage::Partition::SubType::Data::littlefs);
	auto lfs = IFS::createLfsFilesystem(part);
	if(lfs == nullptr) {
		debug_e("Failed to create LFS filesystem");
	} else if(mount(lfs)) {
		// Place the root of this volume at index #0 (the corresponding directory is given in `fwimage.fwfs`)
		fs->setVolume(0, lfs);
	} else {
		delete lfs;
	}

	// And we'll mount a SPIFFS volume too
	initialFreeheap = system_get_free_heap_size();
	part = Storage::findDefaultPartition(Storage::Partition::SubType::Data::spiffs);
	auto spiffs = IFS::createSpiffsFilesystem(part);
	if(spiffs == nullptr) {
		debug_e("Failed to create SPIFFS filesystem");
	} else if(mount(spiffs)) {