Method OpenFile

src/SBC/SbcInterface.cpp:1648–1693

}

FileHandle SbcInterface::OpenFile(const char *filename, OpenMode mode, FilePosition& fileLength, uint32_t preAllocSize) noexcept
{
	// Don't do anything if the SBC is not connected
	if (!IsConnected())
	{
		return false;
	}

	// Set up the request content
	MutexLocker locker(fileMutex);

	filePath = filename;
	filePreAllocSize = preAllocSize;
	FileOperation op;
	switch (mode)
	{
	case OpenMode::read:
		op = FileOperation::openRead;
		break;

	case OpenMode::write:
	case OpenMode::writeWithCrc:
		op = FileOperation::openWrite;
		break;

	case OpenMode::append:
		op = FileOperation::openAppend;
		break;

	default:
		filePath = nullptr;
		REPORT_INTERNAL_ERROR;
		return noFileHandle;
	}

	if (!DoFileOperation(op))
	{
		fileLength = 0;
		reprap.GetPlatform().MessageF(ErrorMessage, "Timeout while trying to open file %s\n", filename);
		return noFileHandle;
	}

	// Update the file length and return the handle
	fileLength = fileOffset;
	return fileHandle;
}

int SbcInterface::ReadFile(FileHandle handle, char *buffer, size_t bufferLength) noexcept
{