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Altera_Forum
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9 years ago

Scrolling Text - 7 Segment Display on DE0-CV

I would like to make scrolling text with the six 7 segment displays on the DE0-CV. I am trying to implement this project using VHDL. I am unsure how to approach this because I am unsure how to create...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

Dont create an array of std_logic, you're just redifining the std_logic_vector type. Just create an array of std_logic_vector in a package, then import it into your entity: 


package my_types_pkg is
  type hexout_array_t is array(0 to 5) of std_logic_vector(6 downto 0);
end package;
....
use work.my_types_pkg.all;
entity hexscroll is
  port (
    hexout  : hexout_array_t
  );
end entity hexscroll;