From af2ffbe0a04d132fa330594aab132ce1dbc6e61a Mon Sep 17 00:00:00 2001
From: Rejeesh Kutty <rejeesh.kutty@analog.com>
Date: Fri, 19 Jun 2015 14:31:07 -0400
Subject: [PATCH] library/cpack- add signaltap

---
 library/util_cpack/util_cpack.v      | 19 +++++++++++++++++--
 library/util_cpack/util_cpack_hw.tcl |  7 +++++++
 library/util_cpack/util_cpack_ip.tcl |  1 +
 3 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/library/util_cpack/util_cpack.v b/library/util_cpack/util_cpack.v
index 694eea726..0eb2be18b 100755
--- a/library/util_cpack/util_cpack.v
+++ b/library/util_cpack/util_cpack.v
@@ -34,8 +34,6 @@
 // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 // ***************************************************************************
 // ***************************************************************************
-// ***************************************************************************
-// ***************************************************************************
 
 `timescale 1ns/100ps
 
@@ -80,6 +78,7 @@ module util_cpack (
 
   parameter   CH_DW     = 32;
   parameter   CH_CNT    = 8;
+  parameter   ST_DEPTH  = 0;
 
   localparam  CH_SCNT   = CH_DW/16;
   localparam  CH_MCNT   = 8;
@@ -173,6 +172,22 @@ module util_cpack (
   assign adc_data_s   = { adc_data_7, adc_data_6, adc_data_5, adc_data_4,
                           adc_data_3, adc_data_2, adc_data_1, adc_data_0};
 
+  generate
+  if (ST_DEPTH > 0) begin
+  sld_signaltap #(
+    .sld_sample_depth (ST_DEPTH),
+    .sld_data_bits (CH_CNT*CH_DW),
+    .sld_trigger_bits (1),
+    .sld_trigger_level (1),
+    .sld_trigger_in_enabled (0),
+    .sld_enable_advanced_trigger (0))
+  i_st (
+    .acq_clk (adc_clk),
+    .acq_trigger_in (adc_valid_d),
+    .acq_data_in (adc_data_d[((CH_CNT*CH_DW)-1):0]));
+  end
+  endgenerate
+
   // adc first channel must be always on (doesn't have to be enabled)
 
   always @(posedge adc_clk) begin
diff --git a/library/util_cpack/util_cpack_hw.tcl b/library/util_cpack/util_cpack_hw.tcl
index 571285ea1..2bf9bf6b4 100755
--- a/library/util_cpack/util_cpack_hw.tcl
+++ b/library/util_cpack/util_cpack_hw.tcl
@@ -35,6 +35,13 @@ set_parameter_property CH_CNT TYPE INTEGER
 set_parameter_property CH_CNT UNITS None
 set_parameter_property CH_CNT HDL_PARAMETER true
 
+add_parameter ST_DEPTH INTEGER 0
+set_parameter_property ST_DEPTH DEFAULT_VALUE 1024
+set_parameter_property ST_DEPTH DISPLAY_NAME ST_DEPTH
+set_parameter_property ST_DEPTH TYPE INTEGER
+set_parameter_property ST_DEPTH UNITS None
+set_parameter_property ST_DEPTH HDL_PARAMETER true
+
 # defaults
 
 ad_alt_intf clock   adc_clk         input   1
diff --git a/library/util_cpack/util_cpack_ip.tcl b/library/util_cpack/util_cpack_ip.tcl
index dc81941ec..2c5412d13 100644
--- a/library/util_cpack/util_cpack_ip.tcl
+++ b/library/util_cpack/util_cpack_ip.tcl
@@ -5,6 +5,7 @@ source $ad_hdl_dir/library/scripts/adi_ip.tcl
 
 adi_ip_create util_cpack
 adi_ip_files util_cpack [list \
+  "$ad_hdl_dir/library/common/altera/sld_signaltap.v" \
   "util_cpack_mux.v" \
   "util_cpack_dsf.v" \
   "util_cpack.v" \