1 //-----------------------------------------------------
  2 // Design Name : one_hot_cnt
  3 // File Name   : one_hot_cnt.v
  4 // Function    : 8 bit one hot counter
  5 // Coder       : Deepak Kumar Tala
  6 //-----------------------------------------------------
  7 module one_hot_cnt (
  8 out        ,  // Output of the counter
  9 enable     ,  // enable for counter
 10 clk        ,  // clock input
 11 reset         // reset input
 12 );
 13 //----------Output Ports--------------
 14 output [7:0] out;
 15 
 16 //------------Input Ports--------------
 17 input enable, clk, reset;
 18 
 19 //------------Internal Variables--------
 20 reg [7:0] out;  
 21 
 22 //-------------Code Starts Here-------
 23 always @ (posedge clk)
 24 if (reset) begin
 25   out <= 8'b0000_0001 ;
 26 end else if (enable) begin
 27   out <= {out[6],out[5],out[4],out[3],
 28           out[2],out[1],out[0],out[7]};
 29 end
 30 
 31 endmodule  

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