From 4fc3b00f64ab67bc6f3e2fd859cd3b50808d4233 Mon Sep 17 00:00:00 2001
From: Erik Kooistra <kooistra@astron.nl>
Date: Fri, 27 Jul 2018 08:56:20 +0000
Subject: [PATCH] Improved description.
---
.../tests/verify_correlator_db_output.py | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/applications/apertif/commissioning/tests/verify_correlator_db_output.py b/applications/apertif/commissioning/tests/verify_correlator_db_output.py
index f6bb8e5dde..f6c4306ade 100644
--- a/applications/apertif/commissioning/tests/verify_correlator_db_output.py
+++ b/applications/apertif/commissioning/tests/verify_correlator_db_output.py
@@ -30,7 +30,10 @@
* REG_DIAG_DATA_BUFFER_OUTPUT to set the data capture at the start of a packet
* RAM_DIAG_DATA_BUFFER_OUTPUT to read the packet data
- The test verifies the read data and runs independently per PN.
+ The test verifies the read data and runs independently per PN on the correlator. The test does not access
+ the telescopes, but some --tel must be specified because --tel and --pol are used to derive the active
+ telescope paths (TP) which will result in non-zero visibility data. The assumption is that the telescopes
+ are receiving (any noise) and outputting beamlets.
Usage:
# -v 5 or 6 for debugging
@@ -162,12 +165,10 @@ for bui in beamlets:
###################################################################
# Verify header fields
- unb = nr / nof_pn # = range(N_band) = 0:15 = [0:127] / 8
- pn = nr % nof_pn # = range(nof_pn) = 0:7 = [0:127] % 8
# Beamlet mapping as specified in SP-062 table 6 (SC1), 9 (SC4):
#
- # u bi dest bu_i
+ # u bi dest bui
# 0 0 0 FN0 0 2 ...
# 1 0 1 FN1 256 258 ...
# 2 0 2 FN2 512 514 ...
@@ -179,7 +180,7 @@ for bui in beamlets:
#
# Beamlet mapping as implemented in Apertif X due to reordered_sosi_arr wiring in node_apertif_unb1_correlator_mesh.vhd:
#
- # u bi dest bu_i
+ # u bi dest bui
# 0 0 0 FN0 0 2 ...
# 1 0 1 FN1 1 3 ...
# 2 0 2 FN2 256 258 ...
--
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