diff options
Diffstat (limited to 'testsuite/synth/issue1074')
-rw-r--r-- | testsuite/synth/issue1074/blinky.vhdl | 37 | ||||
-rwxr-xr-x | testsuite/synth/issue1074/testsuite.sh | 7 |
2 files changed, 44 insertions, 0 deletions
diff --git a/testsuite/synth/issue1074/blinky.vhdl b/testsuite/synth/issue1074/blinky.vhdl new file mode 100644 index 000000000..5f5acbb0d --- /dev/null +++ b/testsuite/synth/issue1074/blinky.vhdl @@ -0,0 +1,37 @@ +library ieee; +use ieee.std_logic_1164.ALL; +use ieee.numeric_std.all; + +entity blinky is +port ( + clk : in std_logic; + led : out std_logic + ); +end blinky; + +architecture rtl of blinky is +constant max_count : natural := 48000000; +signal rst : std_logic; +begin + rst <= '0'; + -- 0 to max_count counter + counter : process(clk, Rst) + variable count : natural range 0 to max_count; + begin + if rising_edge(clk) then + if count < max_count/2 then + count := count + 1; + led <= '1'; + elsif count < max_count then + led <= '0'; + count := count + 1; + else + led <= '1'; + count := 0; + end if; + elsif rst = '1' then + count := 0; + led <= '1'; + end if; + end process counter; +end rtl; diff --git a/testsuite/synth/issue1074/testsuite.sh b/testsuite/synth/issue1074/testsuite.sh new file mode 100755 index 000000000..0b2048804 --- /dev/null +++ b/testsuite/synth/issue1074/testsuite.sh @@ -0,0 +1,7 @@ +#! /bin/sh + +. ../../testenv.sh + +! synth blinky.vhdl -e + +echo "Test successful" |