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https://github.com/thetechprepper/emcomm-tools-os-community.git
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Gaston Gonzalez
144 lines
3.7 KiB
Bash
Executable File
144 lines
3.7 KiB
Bash
Executable File
#!/bin/bash
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#
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# Author : Gaston Gonzalez
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# Date : 1 November 2024
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# Updated : 3 November 2024
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# Purpose : Wrapper script for starting Dire Wolf with PnP support
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#
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# Preconditions:
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# 1. Supported radio and audio interface are connected and properly detected
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#
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# Postconditions:
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# 1. Audio settings updated
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# 2. Dire Wolf started
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DIREWOLF_CONF_FILE=${ET_HOME}/conf/template.d/packet/direwolf.conf
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usage() {
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echo "usage: $(basename $0) <command> <type>"
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echo " <command>"
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echo " start - Start Dire Wolf in selected mode"
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echo " update-config - Update configuration for selected mode"
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echo ""
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echo " <type>"
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echo " digipeater-only - Run in RF-only digipeater mode"
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echo " simple-packet - Run in simple packet mode"
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}
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if [ $# -ne 2 ]; then
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usage
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exit 1
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fi
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MODE=$2
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case "${MODE}" in
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digipeater-only)
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DIREWOLF_TEMPLATE_CONF_FILE="${ET_HOME}/conf/template.d/packet/direwolf.${MODE}.conf"
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;;
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simple-packet)
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DIREWOLF_TEMPLATE_CONF_FILE="${ET_HOME}/conf/template.d/packet/direwolf.${MODE}.conf"
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;;
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*)
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et-log "Can't started Dire Wolf. Mode '${MODE}' not supported"
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usage
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exit 1
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;;
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esac
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notify_user() {
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notify-send \
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-t 5000 \
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--app-name="EmComm Tools" \
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"$1"
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}
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start() {
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update-config
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if [ $? -eq 0 ]; then
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RIGCTLD_OUT=$(systemctl status rigctld)
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if [ $? -ne 0 ]; then
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et-log "Can't start Dire Wolf. rigctld not running. Ensure radio is selected."
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notify_user "Can't start Dire Wolf. rigctld not running."
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exit 1
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fi
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CMD="direwolf -c ${DIREWOLF_CONF_FILE} -t 0 -p"
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et-log "Starting Dire Wolf with: '${CMD}'"
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echo
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${CMD}
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else
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et-log "Error updating configuration. Can't start Dire Wolf"
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exit 1
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fi
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}
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update-config () {
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et-log "Attempting to start Dire Wolf in mode: '${MODE}'"
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[ -z "$ET_USER_CONFIG" ] && ET_USER_CONFIG="${HOME}/.config/emcomm-tools/user.json"
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CALLSIGN=$(cat ${ET_USER_CONFIG} | jq -r .callsign)
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if [ "${CALLSIGN}" = "N0CALL" ]; then
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notify_user "Can't start Dire Worlf. No callsign set. Run: et-user."
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exit 1
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fi
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# 1. Check if the symlink was created by the udev rules
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if [ -e /dev/et-audio ]; then
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# 2. Check that this device was properly tagged with the ET_AUDIO env variable with a udev rule
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APLAY_OUT=$(arecord -l | grep ET_AUDIO)
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if [ $? -eq 0 ]; then
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AUDIO_CARD=$(echo $APLAY_OUT | cut -d":" -f1 | awk '{print $2}')
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AUDIO_DEVICE=$(echo $APLAY_OUT | cut -d"," -f2 | cut -d":" -f1 | awk '{print $2}')
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DIREWOLF_AUDIO_DEVICE="plughw:${AUDIO_CARD},${AUDIO_DEVICE}"
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et-log "Creating '${DIREWOLF_CONF_FILE}' from template '${DIREWOLF_TEMPLATE_CONF_FILE}'"
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cp ${DIREWOLF_TEMPLATE_CONF_FILE} ${DIREWOLF_CONF_FILE}
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# 3. Update callsign
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sed -i "s|{{ET_CALLSIGN}}|${CALLSIGN}|g" ${DIREWOLF_CONF_FILE}
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# 4. Update audio device
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et-log "Using '${DIREWOLF_AUDIO_DEVICE}' as audio device for Dire Wolf configuration."
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sed -i "s|{{ET_AUDIO_DEVICE}}|${DIREWOLF_AUDIO_DEVICE}|g" ${DIREWOLF_CONF_FILE}
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echo "Generated the configuration below..."
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echo
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cat ${DIREWOLF_CONF_FILE}
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echo
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# Configure ALSA settings for sound card
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/opt/emcomm-tools/bin/et-audio update-config
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else
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et-log "No ET_AUDIO device detected."
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notify_user "Can't start Dire Wolf. No ET_AUDIO device detected."
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exit 1
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fi
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else
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et-log "No ET_AUDIO device plugged in."
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notify_user "Can't start Dire Wolf. No supported audio device plugged in."
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exit 1
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fi
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}
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case $1 in
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start)
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start
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;;
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update-config)
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update-config
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;;
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*)
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echo "Invalid command."
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usage
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exit 1
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;;
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esac
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