* Add wrapper for 24-bit sine generator.

rtl/sincos_gen_d24_p26.vhdl

@@ -0,0 +1,64 @@
+--
+--  Sine / cosine function core
+--
+--  Phase input:
+--    unsigned 26 bits (2**26 steps for a full circle)
+--
+--  Sin/cos output:
+--    signed 24 bits (nominal amplitude = 2**23-1)
+--
+--  Latency:
+--    9 clock cycles
+--
+--  Copyright 2016 Joris van Rantwijk
+--
+--  This design is free software; you can redistribute it and/or
+--  modify it under the terms of the GNU Lesser General Public
+--  License as published by the Free Software Foundation; either
+--  version 2.1 of the License, or (at your option) any later version.
+--
+
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+
+entity sincos_gen_d24_p26 is
+
+    port (
+        -- System clock, active on rising edge.
+        clk:        in  std_logic;
+
+        -- Clock enable.
+        clk_en:     in  std_logic;
+
+        -- Phase input.
+        in_phase:   in  unsigned(25 downto 0);
+
+        -- Sine output.
+        -- (9 clock cycles latency after in_phase).
+        out_sin:    out signed(23 downto 0);
+
+        -- Cosine output.
+        -- (9 clock cycles latency after in_phase).
+        out_cos:    out signed(23 downto 0) );
+
+end entity;
+
+architecture rtl of sincos_gen_d24_p26 is
+
+begin
+
+    gen0: entity work.sincos_gen
+        generic map (
+            data_bits       => 24,
+            phase_bits      => 26,
+            table_addrbits  => 10,
+            taylor_order    => 2 )
+        port map (
+            clk             => clk,
+            clk_en          => clk_en,
+            in_phase        => in_phase,
+            out_sin         => out_sin,
+            out_cos         => out_cos );
+
+end architecture;