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| author | Jim Lawson <ucbjrl@berkeley.edu> | 2019-02-11 12:43:46 -0800 |
|---|---|---|
| committer | Jim Lawson <ucbjrl@berkeley.edu> | 2019-02-11 12:43:46 -0800 |
| commit | 311396860b7380e5dc68e66c17d5083d1953fe3f (patch) | |
| tree | c5146a20e59acc342dfe414e1b35fdfe419b9e81 /examples/igloo2/example.v | |
| parent | 76696e80041dc5b8f4ba986f4f83d6e7b6854e96 (diff) | |
| parent | e112d2fbf5a31f00ef19e6d05f28fecc1e9c56b9 (diff) | |
| download | yosys-311396860b7380e5dc68e66c17d5083d1953fe3f.tar.gz yosys-311396860b7380e5dc68e66c17d5083d1953fe3f.tar.bz2 yosys-311396860b7380e5dc68e66c17d5083d1953fe3f.zip | |
Merge remote-tracking branch 'upstream/master'
Diffstat (limited to 'examples/igloo2/example.v')
| -rw-r--r-- | examples/igloo2/example.v | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/examples/igloo2/example.v b/examples/igloo2/example.v new file mode 100644 index 000000000..1a1967d5a --- /dev/null +++ b/examples/igloo2/example.v @@ -0,0 +1,23 @@ +module example ( + input clk, + input EN, + output LED1, + output LED2, + output LED3, + output LED4, + output LED5 +); + + localparam BITS = 5; + localparam LOG2DELAY = 22; + + reg [BITS+LOG2DELAY-1:0] counter = 0; + reg [BITS-1:0] outcnt; + + always @(posedge clk) begin + counter <= counter + EN; + outcnt <= counter >> LOG2DELAY; + end + + assign {LED1, LED2, LED3, LED4, LED5} = outcnt ^ (outcnt >> 1); +endmodule |