> On Jun 3, 2016, at 4:52 AM, Vít Fábera <fab...@fd.cvut.cz> wrote:
>
> Hello,
>
> we would like to use GHDL as simulator as real simulator.
> it means simulate FSMs with real input and set real outputs.
>
> We would like to create library with commands like writeline,
> which would send data for example to serial port, to network
> via UDP/TCP packet and, naturaly, with function like read.
>
> Does anybody create such library or similar extension of GHDL?
Some of this may be already there as part of standard I/O in VHDL. And
whatever is missing you can easily implement yourself as C code that's
accessible from VHDL; see the documentation.
I used this technique to connect a VHDL model of a processor and I/O channel to
a simulated device controller written in C, which in turn accessed the "tape
data" from a file.
paul
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