text:
<blockquote>
function lfsr_11(i : lfsr_t) return lfsr_t is
variable o : lfsr_t;
begin
o := i(9 downto 2) & (i(1) xor i(10)) & i(0) & i(10);
return o;
end;

function lfsr_11(seed : natural) return lfsr_t is
begin
return conv_std_logic_vector(seed, 11);
end;

function conv_idle_data(lfsr : lfsr_t) return symbol_t is
begin
return D(lfsr(10 downto 3));
end;

</blockquote>