| Line 62... |
Line 62... |
-- fft_sepa_wide instance.
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-- fft_sepa_wide instance.
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-- . The reorder memory in the pipeline FFT, parallel FFT and in the
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-- . The reorder memory in the pipeline FFT, parallel FFT and in the
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-- fft_sepa_wide could make reuse of a reorder component from the reorder
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-- fft_sepa_wide could make reuse of a reorder component from the reorder
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-- library instead of using a dedicated local solution.
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-- library instead of using a dedicated local solution.
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library ieee, common_pkg_lib, common_components_lib, common_requantize_lib, rTwoSDF_lib;
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library ieee, common_pkg_lib, common_components_lib, astron_requantize_lib, astron_r2sdf_fft_lib;
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use IEEE.std_logic_1164.all;
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use IEEE.std_logic_1164.all;
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use common_pkg_lib.common_pkg.all;
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use common_pkg_lib.common_pkg.all;
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use rTwoSDF_lib.rTwoSDFPkg.all;
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use astron_r2sdf_fft_lib.rTwoSDFPkg.all;
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use work.fft_pkg.all;
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use work.fft_pkg.all;
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entity fft_r2_wide is
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entity fft_r2_wide is
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generic (
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generic (
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g_fft : t_fft := c_fft; -- generics for the FFT
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g_fft : t_fft := c_fft; -- generics for the FFT
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g_pft_pipeline : t_fft_pipeline := c_fft_pipeline; -- For the pipelined part, from rTwoSDF_lib.rTwoSDFPkg
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g_pft_pipeline : t_fft_pipeline := c_fft_pipeline; -- For the pipelined part, from astron_r2sdf_fft_lib.rTwoSDFPkg
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g_fft_pipeline : t_fft_pipeline := c_fft_pipeline -- For the parallel part, from rTwoSDF_lib.rTwoSDFPkg
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g_fft_pipeline : t_fft_pipeline := c_fft_pipeline -- For the parallel part, from astron_r2sdf_fft_lib.rTwoSDFPkg
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);
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);
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port (
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port (
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clk : in std_logic;
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clk : in std_logic;
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rst : in std_logic := '0';
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rst : in std_logic := '0';
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in_re_arr : in t_fft_slv_arr(g_fft.wb_factor-1 downto 0); -- = time samples t3, t2, t1, t0
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in_re_arr : in t_fft_slv_arr(g_fft.wb_factor-1 downto 0); -- = time samples t3, t2, t1, t0
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| Line 309... |
Line 309... |
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---------------------------------------------------------------
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---------------------------------------------------------------
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-- OUTPUT QUANTIZER
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-- OUTPUT QUANTIZER
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---------------------------------------------------------------
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---------------------------------------------------------------
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gen_output_requantizers : for I in g_fft.wb_factor-1 downto 0 generate
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gen_output_requantizers : for I in g_fft.wb_factor-1 downto 0 generate
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u_requantize_output_re : entity common_requantize_lib.common_requantize
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u_requantize_output_re : entity astron_requantize_lib.common_requantize
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generic map (
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generic map (
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g_representation => "SIGNED",
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g_representation => "SIGNED",
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g_lsb_w => c_out_scale_w,
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g_lsb_w => c_out_scale_w,
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g_lsb_round => TRUE,
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g_lsb_round => TRUE,
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g_lsb_round_clip => FALSE,
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g_lsb_round_clip => FALSE,
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| Line 329... |
Line 329... |
in_dat => sep_out_re_arr(I),
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in_dat => sep_out_re_arr(I),
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out_dat => out_re_arr(I),
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out_dat => out_re_arr(I),
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out_ovr => open
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out_ovr => open
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);
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);
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u_requantize_output_im : entity common_requantize_lib.common_requantize
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u_requantize_output_im : entity astron_requantize_lib.common_requantize
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generic map (
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generic map (
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g_representation => "SIGNED",
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g_representation => "SIGNED",
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g_lsb_w => c_out_scale_w,
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g_lsb_w => c_out_scale_w,
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g_lsb_round => TRUE,
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g_lsb_round => TRUE,
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g_lsb_round_clip => FALSE,
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g_lsb_round_clip => FALSE,
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