> For the complete documentation index, see [llms.txt](https://mwx.twelite.info/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mwx.twelite.info/latest_en/api-reference/funcs/utility.md).

# Utility Functions

- [Printf utils](https://mwx.twelite.info/latest_en/api-reference/funcs/utility/printf-utils.md): Printf utils
- [pack\_bits()](https://mwx.twelite.info/latest_en/api-reference/funcs/utility/pack_bits.md): Sets 1 at the specified bit position.
- [collect\_bits()](https://mwx.twelite.info/latest_en/api-reference/funcs/utility/collect_bits.md): Generating bitmaps with specified order.
- [Byte array utils](https://mwx.twelite.info/latest_en/api-reference/funcs/utility/byte-array-utils.md): Byte array utils
- [pack\_bytes()](https://mwx.twelite.info/latest_en/api-reference/funcs/utility/pack_bytes.md): Generates a sequence of bytes by arranging element data.
- [expand\_bytes()](https://mwx.twelite.info/latest_en/api-reference/funcs/utility/expand_bytes.md): Decompose a sequence of bytes and store it in a variable.
- [CRC8, XOR, LRC](https://mwx.twelite.info/latest_en/api-reference/funcs/utility/checksum.md): functions for calculating checksums.
- [div100()](https://mwx.twelite.info/latest_en/api-reference/funcs/utility/div100.md): Fast divisions by 10, 100 or 1000.
- [Scale utils](https://mwx.twelite.info/latest_en/api-reference/funcs/utility/scale-utils.md): scaling function between 0..1000 and 0..255.
- [pnew](https://mwx.twelite.info/latest_en/api-reference/funcs/utility/pnew.md): pnew() - Simplify the description of placement new