Re: Signed, Unsigned syntax issues. Please help, I'm stumped

nitrogenocide@[EMAIL PROTECTED]
 wrote:

> ERROR:HDLParsers:3292 - "D:/PFiles/SS08/SS08.vhd" Line 145. = has two
> or more possible definitions in this scope.  For example, parameter 2
> (string value) can be: SIGNED or UNSIGNED

> Line 145:  elsif apnea_count = "1101001101010101100100000" then

> The errors seem to be implying that I haven't specified these signals
> as either signed or unsigned.  But the following part of my code does
> specify all these signals as unsigned

Declare the constants also:

> architecture Behavioral of SS08 is
> 
subtype  cnt25_t is unsigned(24 downto 0);
signal   apnea_count, not_apnea : cnt25_t;
constant cnt25_c :: cnt25_t := "1101001101010101100100000";
....
etc.

Put this at the top:

library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;


    -- Mike Treseler