diff options
Diffstat (limited to 'par_to_ser_tb.v')
| -rw-r--r-- | par_to_ser_tb.v | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/par_to_ser_tb.v b/par_to_ser_tb.v deleted file mode 100644 index a30e282..0000000 --- a/par_to_ser_tb.v +++ /dev/null @@ -1,68 +0,0 @@ -`timescale 1us/1us - -module par_to_ser_tb; - -logic clk_i; -logic rst_i; -logic data_valid_i; -logic [7:0] dat_i; -logic dat_o; - -par_to_ser uut ( - .clk_i(clk_i), - .rst_i(rst_i), - .data_valid_i(data_valid_i), - .dat_i(dat_i), - .dat_o(dat_o), - .dat_valid_o() -); - -string filename; -initial begin -`ifdef DUMP_FILE_NAME - filename=`DUMP_FILE_NAME; -`else - filename="par_to_ser.lxt2"; -`endif - $dumpfile(filename); $dumpvars(); - clk_i = 0; - rst_i = 1'b1; - data_valid_i = 1'b0; - - #1 - rst_i = 1'b0; - #1 - rst_i = 1'b1; -end - -always #10 clk_i = ~clk_i; - -bit sollbit = 1'b0; - -initial begin - #13 - @(negedge clk_i); - - for (integer i = 0; i < 255; i++) begin - // clock data in - dat_i = i; - data_valid_i = 1'b1; - - @(negedge clk_i); - data_valid_i = 1'b0; - - for (integer j = 0; j < 8; j++) begin - sollbit = (i >> j) & 1; - assert(dat_o == sollbit) - else $error("Expected bit to be %d, but was %d", sollbit, dat_o); - - @(negedge clk_i); - end - - repeat(2) @(negedge clk_i); - end - - $finish(); -end - -endmodule |
