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Altera_Forum's avatar
Altera_Forum
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10 years ago

image read in vhdl

i want to read an image (or preferably a matrix of size 8x8) pixel by pixel in one clock cycle(if rising edge then read one pixel in 2nd rising edge 2nd pixel)....thanks in advance
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

what about something simple like this? 


signal row, col : unsigned(1 downto 0) := "00";
process(clk)
begin
  if rising_edge(clk) begin
    output <= input(to_integer(row), to_integer(col));
    
    col <= col + 1;
    if col = "11" then 
      row <= row + 1;
    end if;
  end if;
end if;