et-mode Changed approach for et-mode design. Removed PolKit rule for group-level systemd acesses. Switched to user-level systemd service pattern. Added initial systemd service for ARDOP

overlay/etc/polkit-1/localauthority.conf.d/52-et-group-service-manage.conf

@@ -1,4 +0,0 @@
-[Allow Group to Manage Service]
-Identity=unix-group:et-data
-Action=org.freedesktop.systemd1.manage-units
-ResultActive=yes

overlay/etc/skel/.config/systemd/user/et-service-ardop.service

@@ -0,0 +1,21 @@
+# Author  : Gaston Gonzalez
+# Date    : 6 November 2024
+# Purpose : User systemd unit file for EmComm Tools ARDOP service
+#
+# Usage: 
+#  Check status       : systemctl --user status et-service-ardop
+#  Start service      : systemctl --user start et-service-ardop
+#  Stop service       : systemctl --user stop et-service-ardop
+#  Reload this config : systemctl --user daemon-reload
+
+[Unit]
+Description=EmComm Tools ARDOP service
+# Disable conditional check for audio device. Allow et-ardop to enforce.
+#ConditionPathExists=/dev/et-audio
+
+[Service]
+ExecStart=/opt/emcomm-tools/bin/et-ardop
+Restart=no
+
+[Install]
+WantedBy=multi-user.target

overlay/opt/emcomm-tools/bin/et-ardop

@@ -1,7 +1,7 @@
 #!/bin/bash
 #
 # Author  : Gaston Gonzalez
-# Date    : 5 November 2024
+# Date    : 6 November 2024
 # Purpose : Wrapper script for starting ARDOP
 #
 # Preconditions:
@@ -16,6 +16,14 @@
 
 ARDOP_PORT=8515
 
+notify_user() {
+  notify-send \
+   -t 10000 \
+   --app-name="EmComm Tools" \
+   "$1"
+}
+
+
 [ -z ${ET_LOG_DIR} ] && ET_LOG_DIR="${HOME}/.local/share/emcomm-tools"
 [ ! -e ${ET_LOG_DIR} ] && mkdir -p ${ET_LOG_DIR}
 
@@ -37,10 +45,12 @@ if [ -e /dev/et-audio ]; then
 
    else
      et-log "Can't start ARDOP modem. No ET_AUDIO device detected."
+     notify_user "Select radio and plug it in"
      exit 1
    fi
 else
-  et-log "No ET_AUDIO device plugged in. No supported audio device plugged it."
+  et-log "No ET_AUDIO device plugged in. No supported audio device plugged in."
+  notify_user "Select radio and plug it in"
   exit 1
 fi