From f65300b1a87b9f70726b57a8045cc7be5aeb5d30 Mon Sep 17 00:00:00 2001
From: n1ai <dcherkus@yahoo.com>
Date: Sat, 31 Dec 2022 19:50:29 -0500
Subject: [PATCH] Script to test encoder/decoder flowgraph.

---
 SP5WWP/testing/test-enc-dec.sh | 46 ++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100755 SP5WWP/testing/test-enc-dec.sh

diff --git a/SP5WWP/testing/test-enc-dec.sh b/SP5WWP/testing/test-enc-dec.sh
new file mode 100755
index 0000000..0778ec8
--- /dev/null
+++ b/SP5WWP/testing/test-enc-dec.sh
@@ -0,0 +1,46 @@
+#!/bin/bash -x
+
+# This script ASSUMEs:
+# - you're running this from the 'testing' dir under the 'SP5WWP' dir
+# - you have made the ../m17-coder/m17-coder-sym coder program
+# - you have made the ../m17-decoder/m17-decoder-sym coder program
+# - you have loaded the ./grc/m17_streamer.grc program into gnuradio-companion
+# - you have changed the File Sink's path to /tmp/fifo1
+# - you have used Run->Generate to create the ../grc/m17_streamer.py file
+
+# Check for the bits needed
+if [ ! -x ../m17-coder/m17-coder-sym ]; then
+    echo "coder executable not available"
+    exit -1
+fi
+if [ ! -x ../m17-decoder/m17-decoder-sym ]; then
+    echo "decoder executable not available"
+    exit -2
+fi
+if [ ! -f ../grc/m17_streamer.py ]; then
+    echo "m17_streamer.py program not available"
+    echo "use gnradio-companion to load m17_streamer.grc and generate it"
+    exit -3
+fi
+
+# Make sure pipes (named FIFOs) exist, and if not, create them
+if [ ! -p /tmp/fifo1 ]; then
+    mkfifo /tmp/fifo1
+fi
+if [ ! -p /tmp/fifo2 ]; then
+    mkfifo /tmp/fifo2
+fi
+
+# Run the encoder
+../m17-coder/m17-coder-sym < /tmp/fifo1 > /tmp/fifo2 &
+EPID=$!
+
+# Run the decoder 
+../m17-decoder/m17-decoder-sym < /tmp/fifo2 &
+DPID=$!
+
+# Run the flowgraph
+python3 ../grc/m17_streamer.py
+
+# Try to kill any remaining background processes after the flowgraph exits
+kill $DPID $EPID