Call a function from a function in VHDL

Calling a function from a function is no problem in VHDL. You can nest functions in any levels of functions. And it will simulate not problem (just dont make some infinitely recursive function)

Thanks, I will post the possible problems next Monday after simulation and synthesis. I do not have internet at home :(

Implementing data storage in procedures and impure functions is more a simulation than hardware synthesis thing in my opinion, even if it's supported by Quartus synthesis.

Hi, as I said last friday, I worked on the calling function form a function last weekend and it was just great!!!!!!!!:):):) Now I am trying to do some things inside the function called in order to achieve may goal. If I have problems I'll post them here. Thanks everyone. ;)

Remember that functions can only create logic and not registers. Creating complicated functions will create complicated logic that you may not being able to break up easily for pipelining and hence lowering your FMax

What I want to do is create a bidimiensional array of integers and I want to do it in a function, but first I need to calculate the values of the integers form a mathematical operation with real numbers, I want it to do it in a for loopinside the function, so while I am doing the math operation and conversion I enter the numbers in the positions of the array. The array has to be bidimensional because I have to access it with two variables as indexes. I do not think that would cause a huge problem. I hope it can be done, what do you think about it Tricky??

Is this for initialising a ROM? Real values cannot be used in synthesisable code, but they can be used to initialise ROM/RAM contents assuming the ROM/RAM contains a synthesisable type (not real).

Yes, it is for initializing a rom of integers, the values of the rom are integers converted from a math operation with real numbers, the value of the rom depend on two set of constants an unidimensional array of integers and an unidimensional array of reals. In order to sinthesise the code I convert the result of the math operation in an integer and that is what I save in the rom. Then I expect to read the rom in some process of the program.

Heyyyy :) I did it!!!!!!!!!!!!!!!!!!! I only need to simulate in ModelSim for seeing the values in the rom, but so far I did not receive any error. Thanks for your piece of advise Tricky, I am not finish yet but this is a huge step for my design. I will continue, if I have some kind of trouble I will tell, thanks :o