diff --git a/applications/lofar2/libraries/sdp/src/vhdl/sdp_beamformer_output.vhd b/applications/lofar2/libraries/sdp/src/vhdl/sdp_beamformer_output.vhd index d12b7783bb7d960b402db1a5896280f4e4c1409a..688042034a72ccd9de6c174478ae02b121eb4516 100644 --- a/applications/lofar2/libraries/sdp/src/vhdl/sdp_beamformer_output.vhd +++ b/applications/lofar2/libraries/sdp/src/vhdl/sdp_beamformer_output.vhd @@ -92,18 +92,31 @@ architecture str of sdp_beamformer_output is constant c_fifo_size : natural := true_log_pow2(c_sdp_cep_payload_nof_longwords) * c_sdp_N_beamsets; -- 2048 -- Reorder c_nof_ch = c_nof_ch_sel = c_nof_ch_in - constant c_nof_ch : natural := c_sdp_S_sub_bf * c_sdp_cep_nof_blocks_per_packet; + constant c_nof_blocks_per_packet : natural := c_sdp_cep_nof_blocks_per_packet; -- = 4 + constant c_nof_data_per_block : natural := c_sdp_S_sub_bf; -- = 488 dual pol beamlets + constant c_nof_words_per_data : natural := 1; -- 1 dual pol beamlet data per 32b word + constant c_nof_ch : natural := c_nof_blocks_per_packet * c_nof_data_per_block * c_nof_words_per_data; -- = 1952 + + -- Use c_transpose_indices and c_transpose_indices_inv for debug view in Objects window. + -- Use c_transpose_indices for func_reorder_transpose() in this sdp_beamformer_output, + -- a tb can then use c_transpose_indices_inv to undo the transpose. + constant c_transpose_indices : t_natural_arr(0 to c_nof_ch - 1) := + func_reorder_transpose_indices(c_nof_blocks_per_packet, + c_nof_data_per_block, + c_nof_words_per_data); + constant c_transpose_indices_inv : t_natural_arr(0 to c_nof_ch - 1) := + func_reorder_transpose_indices(c_nof_data_per_block, + c_nof_blocks_per_packet, + c_nof_words_per_data); -- Dynamic reorder block size control input - -- . The data consists of 1 word = 1 ch, because 1 word contains 1 dual pol - -- beamlet. - -- . The input packet has nof_ch = nof_data_per_block * nof_blocks_per_packet - -- of data per packet. + -- . The data consists of 1 word = 1 ch, because 1 word contains 1 dual pol beamlet. + -- . The input packet has nof_ch of data per packet. -- . The transposed output packet will have blocks with nof_blocks_per_packet -- data per block and nof_data_per_block blocks per packet. signal nof_ch : natural := c_nof_ch; - signal nof_data_per_block : natural := c_sdp_S_sub_bf; - signal nof_blocks_per_packet : natural := c_sdp_cep_nof_blocks_per_packet; + signal nof_blocks_per_packet : natural := c_nof_blocks_per_packet; + signal nof_data_per_block : natural := c_nof_data_per_block; signal select_copi : t_mem_copi := c_mem_copi_rst; signal select_cipo : t_mem_cipo := c_mem_cipo_rst; signal r_identity : t_reorder_identity; @@ -175,11 +188,11 @@ begin -- first block. v_ref_time := NOW; -- Offset the v_ref_time to the second block of the - -- c_sdp_cep_nof_blocks_per_packet = 4 blocks that will be merged. + -- c_nof_blocks_per_packet = 4 blocks that will be merged. v_ref_time := v_ref_time + c_sdp_block_period * 1 ns; end if; - elsif NOW > v_ref_time + 1 * c_sdp_cep_nof_blocks_per_packet * c_sdp_block_period * 1 ns and - NOW < v_ref_time + 4 * c_sdp_cep_nof_blocks_per_packet * c_sdp_block_period * 1 ns then + elsif NOW > v_ref_time + 1 * c_nof_blocks_per_packet * c_sdp_block_period * 1 ns and + NOW < v_ref_time + 4 * c_nof_blocks_per_packet * c_sdp_block_period * 1 ns then -- Disturb BSN to cause merged payload error. Expected results for the -- merged blocks: -- . index 0 : First merged block bsn ok and payload_error = '0'. @@ -231,7 +244,7 @@ begin ----------------------------------------------------------------------------- u_dp_packet_merge : entity dp_lib.dp_packet_merge generic map( - g_nof_pkt => c_sdp_cep_nof_blocks_per_packet, + g_nof_pkt => c_nof_blocks_per_packet, g_bsn_increment => 1 ) port map( @@ -322,12 +335,12 @@ begin end process; p_reorder_transpose : process(dp_rst, select_cipo, - nof_data_per_block, nof_blocks_per_packet, r_transpose) + nof_blocks_per_packet, nof_data_per_block, r_transpose) variable v : t_reorder_transpose; begin if select_cipo.waitrequest = '0' then -- Read from reorder_col_select page - v := func_reorder_transpose(nof_data_per_block, nof_blocks_per_packet, r_transpose); + v := func_reorder_transpose(nof_blocks_per_packet, nof_data_per_block, r_transpose); else -- No read, new reorder_col_select page not available yet v := c_reorder_transpose_rst;