From ffa27fed4a24cff5dc76bcd57ed942d4a850521c Mon Sep 17 00:00:00 2001
From: Eric Kooistra <kooistra@astron.nl>
Date: Mon, 21 Nov 2022 15:47:21 +0100
Subject: [PATCH] Add functions to map arr to one.
---
libraries/base/dp/src/vhdl/dp_stream_pkg.vhd | 32 ++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/libraries/base/dp/src/vhdl/dp_stream_pkg.vhd b/libraries/base/dp/src/vhdl/dp_stream_pkg.vhd
index 537d5871db..b502ddfd5f 100644
--- a/libraries/base/dp/src/vhdl/dp_stream_pkg.vhd
+++ b/libraries/base/dp/src/vhdl/dp_stream_pkg.vhd
@@ -272,6 +272,12 @@ PACKAGE dp_stream_pkg Is
FUNCTION TO_DP_SOSI_UNSIGNED(sync, valid, sop, eop : STD_LOGIC; bsn, data, re, im, empty, channel, err : UNSIGNED) RETURN t_dp_sosi_unsigned;
+ -- Map between array and single element
+ FUNCTION TO_DP_ARR(sosi : t_dp_sosi) RETURN t_dp_sosi_arr;
+ FUNCTION TO_DP_ARR(siso : t_dp_siso) RETURN t_dp_siso_arr;
+ FUNCTION TO_DP_ONE(sosi_arr : t_dp_sosi_arr) RETURN t_dp_sosi;
+ FUNCTION TO_DP_ONE(siso_arr : t_dp_siso_arr) RETURN t_dp_siso;
+
-- Keep part of head data and combine part of tail data, use the other sosi from head_sosi
FUNCTION func_dp_data_shift_first(head_sosi, tail_sosi : t_dp_sosi; symbol_w, nof_symbols_per_data, nof_symbols_from_tail : NATURAL) RETURN t_dp_sosi;
-- Shift and combine part of previous data and this data, use the other sosi from prev_sosi
@@ -638,6 +644,32 @@ PACKAGE BODY dp_stream_pkg IS
RETURN v_sosi_unsigned;
END TO_DP_SOSI_UNSIGNED;
+ -- Map between array and single element
+ FUNCTION TO_DP_ARR(sosi : t_dp_sosi) RETURN t_dp_sosi_arr IS
+ VARIABLE v_sosi_arr : t_dp_sosi_arr(0 DOWNTO 0) := (OTHERS => sosi);
+ BEGIN
+ RETURN v_sosi_arr;
+ END TO_DP_ARR;
+
+ FUNCTION TO_DP_ARR(siso : t_dp_siso) RETURN t_dp_siso_arr IS
+ VARIABLE v_siso_arr : t_dp_siso_arr(0 DOWNTO 0) := (OTHERS => siso);
+ BEGIN
+ RETURN v_siso_arr;
+ END TO_DP_ARR;
+
+ FUNCTION TO_DP_ONE(sosi_arr : t_dp_sosi_arr) RETURN t_dp_sosi IS
+ VARIABLE v_sosi : t_dp_sosi := sosi_arr(0);
+ BEGIN
+ RETURN v_sosi;
+ END TO_DP_ONE;
+
+ FUNCTION TO_DP_ONE(siso_arr : t_dp_siso_arr) RETURN t_dp_siso IS
+ VARIABLE v_siso : t_dp_siso := siso_arr(0);
+ BEGIN
+ RETURN v_siso;
+ END TO_DP_ONE;
+
+
-- Keep part of head data and combine part of tail data
FUNCTION func_dp_data_shift_first(head_sosi, tail_sosi : t_dp_sosi; symbol_w, nof_symbols_per_data, nof_symbols_from_tail : NATURAL) RETURN t_dp_sosi IS
VARIABLE vN : NATURAL := nof_symbols_per_data;
--
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