use wave.py to play and record audio at test.sh

test.sh

@@ -1,9 +1,19 @@
 #!/bin/bash
 set -u 
-set -x
 set -e 
 
-dd if=/dev/urandom of=data.send bs=1024 count=128
-python send.py
-python recv.py
-python errors.py data.* #python show.py tx.int16 rx.int16
+dd if=/dev/urandom of=data.send bs=1024 count=1
+./send.py
+
+./wave.py record rx.int16 &
+PID=$!
+
+./wave.py play   tx.int16
+sleep 1
+kill -INT $PID
+
+./recv.py
+./errors.py data.* 
+if [ -z $? ]; then
+	./show.py tx.int16 rx.int16
+fi