Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

problems with real data type conversion to std_logic_vector

Hi, I'm doing an discrete PID controller, based on FPGA's, but I wanna do it using floating point maths, the first block I was doing was an integrator, but I got an issue, the generic parameters of ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

the IEEE floating point package that became a standard with VHDL 2008 will have the conversion function you need. For a '93 compatible version you can compile into your project, see here: http://www.vhdl.org/fphdl/