Binary to Gray Code Converter

Solving Approach

How do you plan to solve it?

Code

module bin2gray4(
    input [3:0]bin_in,
    output reg  [3:0]gray_out );

    always @ (*)
    begin
        case(bin_in)
        4'b0000: gray_out = 4'b0000;
        4'b0001: gray_out = 4'b0001;
        4'b0010: gray_out = 4'b0011;
        4'b0011: gray_out = 4'b0010;
        4'b0100: gray_out = 4'b0110;
        4'b0101: gray_out = 4'b0111;
        4'b0110: gray_out = 4'b0101;
        4'b0111: gray_out = 4'b0100;
        4'b1000: gray_out = 4'b1100;
        4'b1001: gray_out = 4'b1101;
        4'b1010: gray_out = 4'b1111;
        4'b1011: gray_out = 4'b1110;
        4'b1100: gray_out = 4'b1010;
        4'b1101: gray_out = 4'b1011;
        4'b1110: gray_out = 4'b1001;
        4'b1111: gray_out = 4'b1000;
        endcase 
    end 

endmodule

17. Binary to Gray Code Converter

Solving Approach

Code