[求助]大虾进来看看这个程序有警告怎么改正
这个程序编译没错,有几出警告,防真时有问题!,指点怎么去出警告,防真能进行!!
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;
entity f_muxa is
port(sel8:in std_logic_vector(3 downto 0);
q8, q7, q6, q5, q4, q3, q2, q1:in std_logic_vector(3 downto 0);
romoutut std_logic_vector (17 downto 0));
end f_muxa;
architecture m of f_muxa is
signal ss:std_logic_vector(3 downto 0);
signal pp:std_logic_vector(24 downto 0);
begin
p1:process(sel8)
begin
case sel8 is
when "0000" =>ss<=q1;
when "0001" =>ss<=q2;
when "0010" =>ss<=q3;
when "0011" =>ss<=q4;
when "0100" =>ss<=q5;
when "0101" =>ss<=q6;
when "0110" =>ss<=q7;
when "0111" =>ss<=q8;
when "1000" =>ss<="0000";
when "1001" =>ss<="0000";
when "1010" =>ss<="0000";
when "1011" =>ss<="0000";
when "1100" =>ss<="0000";
when "1101" =>ss<="0000";
when "1110" =>ss<="0000";
when "1111" =>ss<="0000";
when others =>ss<="0000";
end case;
end process p1;
p2:process(ss)
begin
case ss is
when "0000"=>pp<="0000000000000000000000000";
when "0001"=>Pp<="0000000000000000000000000" ;
when "0010"=>Pp<="1111111111111111111100100";
when "0011"=>pp<="1111111111111111111100100";
when "0100"=>pp<="0000000000000000001101000";
when "0101"=>pp<="0000000000000000001101000";
when "0110"=>Pp<="0000000000000000001001100";
when "0111"=>Pp<="0000000000000000001001100";
when "1000"=>pp<="1111111111111111100100101";
when "1001"=>pp<="1111111111111111100100101";
when "1010"=>Pp<="1111111111111111100001001";
when "1011"=>Pp<="1111111111111111100001001";
when "1100"=>pp<="1111111111111111110001101";
when "1101"=>Pp<="1111111111111111110001101";
when "1110"=>Pp<="1111111111111111101110001";
when "1111"=>Pp<="1111111111111111101110001";
when others=>PP<="000000000000000000000000";
end case;
end process p2;
p3: process(sel8)
begin
case sel8 is
when "0000"=>romout(17 downto 0)<=pp(17 downto 0);
when "0001"=>romout(17 downto 0)<=pp(18 downto 1);
when "0010"=>romout(17 downto 0)<=pp(19 downto 2);
when "0011"=>romout(17 downto 0)<=pp(20 downto 3);
when "0100"=>romout(17 downto 0)<=pp(21 downto 4);
when "0101"=>romout(17 downto 0)<=pp(22 downto 5);
when "0110"=>romout(17 downto 0)<=pp(23 downto 6);
when "0111"=>romout(17 downto 0)<=pp(24 downto 7);
when "1000"=>romout(17 downto 0)<="000000000000000000";
when "1001"=>romout(17 downto 0)<="000000000000000000";
when "1010"=>romout(17 downto 0)<="000000000000000000";
when "1011"=>romout(17 downto 0)<="000000000000000000";
when "1100"=>romout(17 downto 0)<="000000000000000000";
when "1101"=>romout(17 downto 0)<="000000000000000000";
when "1110"=>romout(17 downto 0)<="000000000000000000";
when "1111"=>romout(17 downto 0)<="000000000000000000";
when others=>romout<="000000000000000000";
end case;
end process p3;
end m;
Warning: Ignored unnecessary INPUT pin 'q80'
Warning: Ignored unnecessary INPUT pin 'q70'
Warning: Ignored unnecessary INPUT pin 'q60'
Warning: Ignored unnecessary INPUT pin 'q50'
Warning: Ignored unnecessary INPUT pin 'q40'
Warning: Ignored unnecessary INPUT pin 'q30'
Warning: Ignored unnecessary INPUT pin 'q20'
Warning: Ignored unnecessary INPUT pin 'q10'
高人指点一下!!多谢噻!!
ut std_logic_vector (17 downto 0));
end f_muxa;
architecture m of f_muxa is
signal ss:std_logic_vector(3 downto 0);
signal pp:std_logic_vector(24 downto 0);
begin
p1:process(sel8)
begin
case sel8 is
when "0000" =>ss<=q1;
when "0001" =>ss<=q2;
when "0010" =>ss<=q3;
when "0011" =>ss<=q4;
when "0100" =>ss<=q5;
when "0101" =>ss<=q6;
when "0110" =>ss<=q7;
when "0111" =>ss<=q8;
when "1000" =>ss<="0000";
when "1001" =>ss<="0000";
when "1010" =>ss<="0000";
when "1011" =>ss<="0000";
when "1100" =>ss<="0000";
when "1101" =>ss<="0000";
when "1110" =>ss<="0000";
when "1111" =>ss<="0000";
when others =>ss<="0000";
end case;
end process p1;
p2:process(ss)
begin
case ss is
when "0000"=>pp<="0000000000000000000000000";
when "0001"=>Pp<="0000000000000000000000000" ;
when "0010"=>Pp<="1111111111111111111100100";
when "0011"=>pp<="1111111111111111111100100";
when "0100"=>pp<="0000000000000000001101000";
when "0101"=>pp<="0000000000000000001101000";
when "0110"=>Pp<="0000000000000000001001100";
when "0111"=>Pp<="0000000000000000001001100";
when "1000"=>pp<="1111111111111111100100101";
when "1001"=>pp<="1111111111111111100100101";
when "1010"=>Pp<="1111111111111111100001001";
when "1011"=>Pp<="1111111111111111100001001";
when "1100"=>pp<="1111111111111111110001101";
when "1101"=>Pp<="1111111111111111110001101";
when "1110"=>Pp<="1111111111111111101110001";
when "1111"=>Pp<="1111111111111111101110001";
when others=>PP<="000000000000000000000000";
end case;
end process p2;
p3: process(sel8)
begin
case sel8 is
when "0000"=>romout(17 downto 0)<=pp(17 downto 0);
when "0001"=>romout(17 downto 0)<=pp(18 downto 1);
when "0010"=>romout(17 downto 0)<=pp(19 downto 2);
when "0011"=>romout(17 downto 0)<=pp(20 downto 3);
when "0100"=>romout(17 downto 0)<=pp(21 downto 4);
when "0101"=>romout(17 downto 0)<=pp(22 downto 5);
when "0110"=>romout(17 downto 0)<=pp(23 downto 6);
when "0111"=>romout(17 downto 0)<=pp(24 downto 7);
when "1000"=>romout(17 downto 0)<="000000000000000000";
when "1001"=>romout(17 downto 0)<="000000000000000000";
when "1010"=>romout(17 downto 0)<="000000000000000000";
when "1011"=>romout(17 downto 0)<="000000000000000000";
when "1100"=>romout(17 downto 0)<="000000000000000000";
when "1101"=>romout(17 downto 0)<="000000000000000000";
when "1110"=>romout(17 downto 0)<="000000000000000000";
when "1111"=>romout(17 downto 0)<="000000000000000000";
when others=>romout<="000000000000000000";
end case;
end process p3;
end m;
Warning: Ignored unnecessary INPUT pin 'q80'
Warning: Ignored unnecessary INPUT pin 'q70'
Warning: Ignored unnecessary INPUT pin 'q60'
Warning: Ignored unnecessary INPUT pin 'q50'
Warning: Ignored unnecessary INPUT pin 'q40'
Warning: Ignored unnecessary INPUT pin 'q30'
Warning: Ignored unnecessary INPUT pin 'q20'
Warning: Ignored unnecessary INPUT pin 'q10'
高人指点一下!!多谢噻!!