From 8b9fdd4ee9e4f67c7313e11024c028289ab9c960 Mon Sep 17 00:00:00 2001 From: Daniel van der Schuur <schuur@astron.nl> Date: Wed, 22 Apr 2015 10:58:02 +0000 Subject: [PATCH] -Set coefficient width back to 18b as synth with BG should fit; -Re-created 18b MIF files. --- .../src/vhdl/apertif_unb1_correlator.vhd | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/applications/apertif/designs/apertif_unb1_correlator/src/vhdl/apertif_unb1_correlator.vhd b/applications/apertif/designs/apertif_unb1_correlator/src/vhdl/apertif_unb1_correlator.vhd index d7b1db4869..054683f366 100644 --- a/applications/apertif/designs/apertif_unb1_correlator/src/vhdl/apertif_unb1_correlator.vhd +++ b/applications/apertif/designs/apertif_unb1_correlator/src/vhdl/apertif_unb1_correlator.vhd @@ -175,7 +175,7 @@ ARCHITECTURE str OF apertif_unb1_correlator IS CONSTANT c_wpfb_nof_chan : NATURAL := 1; -- = default 0, defines the number of channels (=time-m CONSTANT c_wpfb_nof_points : NATURAL := 64; -- = 1024, N point FFT CONSTANT c_wpfb_nof_taps : NATURAL := 8; -- = 8 nof taps n the filter - CONSTANT c_wpfb_coef_w : NATURAL := 9; --FIXME: 9b does not work; needs updated coefficient files. + CONSTANT c_wpfb_coef_w : NATURAL := 18; --FIXME: 9b does not work; needs updated coefficient files. CONSTANT c_wpfb_in_dat_w : NATURAL := 8; --FIXME: should be 6b at some point CONSTANT c_wpfb_out_dat_w : NATURAL := 9; --FIXME: Could be wider but is currently 9b to avoid the need for quantization: 9b -> mult -> 18b -> accu -> 32b at the corr output. CONSTANT c_wpfb_use_separate : BOOLEAN := FALSE; -- = false for complex input, true for two real inputs -- GitLab