From 49e7101520a5ad7faf6cc5ed7f91c304124e8127 Mon Sep 17 00:00:00 2001
From: Erik Kooistra <kooistra@astron.nl>
Date: Tue, 24 Mar 2015 11:36:17 +0000
Subject: [PATCH] Added g_incr to common_lfsr_nxt_seq() to support any integer
increment for the counter sequence data.
---
libraries/base/common/src/vhdl/common_lfsr_sequences_pkg.vhd | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libraries/base/common/src/vhdl/common_lfsr_sequences_pkg.vhd b/libraries/base/common/src/vhdl/common_lfsr_sequences_pkg.vhd
index a75916c5c7..f4b15c5e2a 100644
--- a/libraries/base/common/src/vhdl/common_lfsr_sequences_pkg.vhd
+++ b/libraries/base/common/src/vhdl/common_lfsr_sequences_pkg.vhd
@@ -23,6 +23,7 @@
LIBRARY IEEE;
USE IEEE.std_logic_1164.ALL;
USE IEEE.numeric_std.ALL;
+USE work.common_pkg.ALL;
PACKAGE common_lfsr_sequences_pkg IS
@@ -118,6 +119,7 @@ PACKAGE common_lfsr_sequences_pkg IS
-- Procedure for calculating the next PSRG and COUNTER sequence value
PROCEDURE common_lfsr_nxt_seq(CONSTANT c_lfsr_nr : IN NATURAL;
+ CONSTANT g_incr : IN INTEGER;
in_en : IN STD_LOGIC;
in_req : IN STD_LOGIC;
in_dat : IN STD_LOGIC_VECTOR;
@@ -138,6 +140,7 @@ END common_lfsr_sequences_pkg;
PACKAGE BODY common_lfsr_sequences_pkg IS
PROCEDURE common_lfsr_nxt_seq(CONSTANT c_lfsr_nr : IN NATURAL;
+ CONSTANT g_incr : IN INTEGER;
in_en : IN STD_LOGIC;
in_req : IN STD_LOGIC;
in_dat : IN STD_LOGIC_VECTOR;
@@ -165,7 +168,7 @@ PACKAGE BODY common_lfsr_sequences_pkg IS
nxt_prsg(0) <= NOT v_feedback;
-- COUNTER
- nxt_cntr <= STD_LOGIC_VECTOR(UNSIGNED(cntr)+1);
+ nxt_cntr <= INCR_UVEC(cntr, g_incr);
END IF;
END common_lfsr_nxt_seq;
--
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