et-wwv - Added et-wwv-wrapper

overlay/opt/emcomm-tools/sbin/wrapper-et-wwv.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+#
+# Author  : Gaston Gonzalez
+# Date    : 16 April 2026
+# Purpose : Wrapper script for setting the system time using et-wwv
+#
+# Preconditions
+# 1. Supported radio and audio interface are connected and properly detected
+# 2. Radio is set to AM and a WWV frequency (2.5, 5, 10, 15, or 20 MHz)
+#
+# Postconditions
+# 1. System clock is aligned to the top-of-the-minute
+. /opt/emcomm-tools/bin/et-common
+
+exit_if_no_audio
+
+ALSA_DEVICE=$(/opt/emcomm-tools/bin/et-system-info et-audio-card)
+
+et-wwv -a --device "hw:${ALSA_DEVICE}"