File: generic_pkg.vhdl

package info (click to toggle)
ghdl 5.0.1%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 86,000 kB
  • sloc: ada: 309,826; vhdl: 209,727; ansic: 31,072; python: 19,213; sh: 14,214; cpp: 2,345; makefile: 1,542; pascal: 585; asm: 45; exp: 40; fortran: 33
file content (42 lines) | stat: -rw-r--r-- 1,029 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
-- package containing a type-generic D Flip Flop
-- may not be 100% valid VHDL code, contact ktbarrett on gitter
-- non-generic version does synthesize correctly
package generic_pkg is

  procedure generic_FF
    generic (
      constant T: type)
    paramater (
      signal   q    : out T;
      signal   d    : in T;
      signal   clk  : in std_logic;
      signal   rst  : in std_logic;
      constant INIT : in T;
      signal   en   : in std_logic := '1');

end package generic_pkg;
  
package body generic_pkg is
  
  procedure generic_FF
    generic (
      constant T: type)
    paramater (
      signal   q    : out T;
      signal   d    : in T;
      signal   clk  : in std_logic;
      signal   rst  : in std_logic;
      constant INIT : in T;
      signal   en   : in std_logic := '1')
    is
  begin
    if (rising_edge(clk)) then
      if (rst /= '0') then
        q <= INIT;
      elsif (en = '1') then
        q <= d;
      end if;
    end if;
  end procedure generic_FF;
      
end package body generic_pkg;