FFT-based FIR Filter

Error (10476): VHDL error at alfft_core_slip.vhd(328): type of identifier "CONTROL" does not agree with its usage as "entity" type Error (10472): VHDL error at alfft_core_slip.vhd(328): entity "CONTROL" is used in Architecture Body, Configuration Specification, or Component Configuration, but is not defined use altera stratix II, EDA quartus II9.1

ditto...