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vhdl arrays- index
von felix (Guest)

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hi,

is there any predefined function in vhdl, that returns index of the bit 
that is set to '1' in a vector. thanks

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Re: vhdl arrays- index
von Markus F. (mfro)

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1
for i in slv'reverse_range loop

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    if (slv(i) == '1') then

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        firstSet <= i;

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        exit;

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    end if;

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end loop;

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Re: vhdl arrays- index
von Lothar M. (Company: Titel) (lkmiller) (Moderator)

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felix wrote:
> that returns index of the bit that is set to '1' in a vector.
(How) can you be sure that only 1 bit is set in the vector?

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