Dear KALLE, I understand your needs, I already wrote down it and these suggestions are already added to TODO list and it will be considered during developing by programmer at the right time. I'm writing "it will be considered" because at the moment it's not possible, it may be changed in future but I can't promise it, I'm sorry. As I wrote there is a reason why CRC32 is calculated on user request for larger buffers and there is a reason why chip is not selected automatically. We can prepare custom made software with automatic CRC for all size buffers but we can not prepare autoselect flash at the moment. Please feel free to ask if you will have any further questions.