owire
1-wire full stack protocol for Cyclone IV family
Support: CRC verification, scalable inteface, multidevice on 1-wire bus, full support 1-wire ROM command: READ ROM, SEARCH ROM, SKIP ROM, MATCH ROM, ALARM SEARCH, detect presence divice, detect short circuit.
Fast streaming interface for NIOS II, modules write on SystemVerilog.
For example DS18B20 for test.