Add functions to map arr to one.

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;