mirror of
https://github.com/RobotechLille/cdf2018-principal
synced 2024-11-13 03:46:12 +01:00
FPGA : Amélioration code 7-segments
This commit is contained in:
parent
39154e4f5e
commit
9a2bf3d9cd
|
@ -170,7 +170,7 @@ build/%.o: %.vhd
|
|||
ghdl -a --mb-comments --workdir="$(shell dirname "$@")" "$<"
|
||||
|
||||
build/%_tb: build/%_tb.o $(addprefix build/,$(subst .vhd,.o,$(VHDSOURCE)))
|
||||
ghdl -e --workdir="$(shell dirname "$@")" -o "$@" "$(basename $(notdir $<))"
|
||||
ghdl -e --workdir="$(shell dirname "$@")" -o "$(shell echo "$@" | tr A-Z a-z)" "$(basename $(notdir $<))"
|
||||
|
||||
build/%_tb.vcd: build/%_tb
|
||||
(cd "$(shell dirname "$<")"; ghdl -r "$(basename $(notdir $<))" --vcd="../$@" )
|
||||
|
|
|
@ -14,8 +14,8 @@ end sevenseg;
|
|||
architecture structural of sevenseg is
|
||||
|
||||
signal digit: std_logic_vector(3 downto 0);
|
||||
signal selector: integer range 0 to 3 := 0;
|
||||
signal counter : integer range 0 to 199999 := 0;
|
||||
signal selector: integer := 0;
|
||||
signal counter : integer := 0;
|
||||
|
||||
begin
|
||||
with selector select
|
||||
|
@ -56,10 +56,14 @@ begin
|
|||
alternateur : process(clock)
|
||||
begin
|
||||
if clock'event and clock = '1' then
|
||||
if counter = 0 then
|
||||
selector <= selector + 1;
|
||||
end if;
|
||||
counter <= counter + 1;
|
||||
if counter >= 199999 then
|
||||
selector <= selector + 1;
|
||||
if selector >= 3 then
|
||||
selector <= 0;
|
||||
end if;
|
||||
counter <= 0;
|
||||
end if;
|
||||
end if;
|
||||
end process;
|
||||
|
||||
|
|
38
fpga/sevenseg_tb.gtkw
Normal file
38
fpga/sevenseg_tb.gtkw
Normal file
|
@ -0,0 +1,38 @@
|
|||
[*]
|
||||
[*] GTKWave Analyzer v3.3.86 (w)1999-2017 BSI
|
||||
[*] Sun Feb 25 12:47:52 2018
|
||||
[*]
|
||||
[dumpfile] "/home/geoffrey/Documents/Polytech/Robotech/2017-2018/CdF/cdf2018-principal/fpga/build/sevenseg_tb.vcd"
|
||||
[dumpfile_mtime] "Sun Feb 25 12:44:56 2018"
|
||||
[dumpfile_size] 111992791
|
||||
[savefile] "/home/geoffrey/Documents/Polytech/Robotech/2017-2018/CdF/cdf2018-principal/fpga/sevenseg_tb.gtkw"
|
||||
[timestart] 0
|
||||
[size] 1680 1012
|
||||
[pos] -1 -1
|
||||
*-42.000000 2550000000000 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
|
||||
[sst_width] 213
|
||||
[signals_width] 126
|
||||
[sst_expanded] 1
|
||||
[sst_vpaned_height] 296
|
||||
@23
|
||||
dut.data[15:0]
|
||||
@28
|
||||
dut.clock
|
||||
@8420
|
||||
[color] 2
|
||||
dut.counter
|
||||
@420
|
||||
[color] 2
|
||||
dut.selector
|
||||
@22
|
||||
[color] 2
|
||||
dut.digit[3:0]
|
||||
[color] 1
|
||||
dut.anode[3:0]
|
||||
@28
|
||||
[color] 1
|
||||
dut.segment[6:0]
|
||||
[color] 1
|
||||
dut.dot
|
||||
[pattern_trace] 1
|
||||
[pattern_trace] 0
|
59
fpga/sevenseg_tb.vhd
Normal file
59
fpga/sevenseg_tb.vhd
Normal file
|
@ -0,0 +1,59 @@
|
|||
-- Testbench automatically generated online
|
||||
-- at http://vhdl.lapinoo.net
|
||||
-- Generation date : 25.2.2018 12:42:48 GMT
|
||||
|
||||
library ieee;
|
||||
use ieee.std_logic_1164.all;
|
||||
|
||||
entity sevenseg_tb is
|
||||
end sevenseg_tb;
|
||||
|
||||
architecture tb of sevenseg_tb is
|
||||
|
||||
component sevenseg
|
||||
port (data : in std_logic_vector (15 downto 0);
|
||||
clock : in std_logic;
|
||||
anode : out std_logic_vector (3 downto 0);
|
||||
segment : out std_logic_vector (6 downto 0);
|
||||
dot : out std_logic);
|
||||
end component;
|
||||
|
||||
signal data : std_logic_vector (15 downto 0);
|
||||
signal clock : std_logic;
|
||||
signal anode : std_logic_vector (3 downto 0);
|
||||
signal segment : std_logic_vector (6 downto 0);
|
||||
signal dot : std_logic;
|
||||
|
||||
constant TbPeriod : time := 20 ns;
|
||||
signal TbClock : std_logic := '0';
|
||||
signal TbSimEnded : std_logic := '0';
|
||||
|
||||
constant SegPeriod : time := 4 ms;
|
||||
constant FourSegPeriod : time := 4 * SegPeriod;
|
||||
|
||||
begin
|
||||
|
||||
dut : sevenseg
|
||||
port map (data => data,
|
||||
clock => clock,
|
||||
anode => anode,
|
||||
segment => segment,
|
||||
dot => dot);
|
||||
|
||||
-- Clock generation
|
||||
TbClock <= not TbClock after TbPeriod/2 when TbSimEnded /= '1' else '0';
|
||||
|
||||
clock <= TbClock;
|
||||
|
||||
stimuli : process
|
||||
begin
|
||||
data <= x"0123";
|
||||
|
||||
wait for 2 * FourSegPeriod;
|
||||
|
||||
-- Stop the clock and hence terminate the simulation
|
||||
TbSimEnded <= '1';
|
||||
wait;
|
||||
end process;
|
||||
|
||||
end tb;
|
Loading…
Reference in a new issue