gistfile1.txt

 -- We can start the lagrange (and initialize the mm2s and s2mm) either when we didn't do so already, 
 -- or we did, and an interpolation has finished by now. 
 start_in <= start and ((not started) or (done_in));

 s2mm_inst: entity work.s2mm
   Port Map(
      clk => clk,
      rst => start_in,
      
      s_ready => so_ready_in,
      s_valid => so_valid_in,
      s_data => so_data_in,
      
      mm_ena => so_ena,
      mm_wea => so_wea,
      mm_addra => so_addra,
      mm_dina => so_dina
   );