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thetechprepper
139 lines
3.8 KiB
Bash
Executable File
139 lines
3.8 KiB
Bash
Executable File
#!/bin/bash
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#
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# Author : Gaston Gonzalez
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# Date : 22 March 2026
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# Purpose : Wrapper script for starting WSJT-X 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. Stop all running EmComm Tools modes
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# 2. WSJT-X audio settings updated
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# 3. WSJT-X started
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. /opt/emcomm-tools/bin/et-common
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usage() {
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echo "usage: $(basename $0) <command>"
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echo " start - Update config and start WSJT-X"
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echo " update-config - Update config"
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}
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if [ $# -ne 1 ]; then
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usage
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exit 1
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fi
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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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"$1"
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}
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start() {
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# Ensure that we have a pre-initialized CAT control connection for select radios
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prime_rigctld_conn
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/opt/emcomm-tools/bin/et-kill-all && update-config && /usr/bin/wsjtx &
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if [ ! -e /dev/et-gps ]; then
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notify-send -u critical -i \
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/usr/share/icons/Yaru/48x48/status/dialog-information.png \
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"No GPS. Ensure your time is accurate when WSJTX starts."
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fi
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}
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update-config() {
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WSJTX_CONF_FILE="${HOME}/.config/WSJT-X.ini"
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if [[ ! -e "${WSJTX_CONF_FILE}" ]]; then
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et-log "Creating ${WSJTX_CONF_FILE} missing. Creating from template."
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cp /etc/skel/.config/WSJT-X.ini ${WSJTX_CONF_FILE}
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fi
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[ -z "$ET_USER_CONFIG" ] && ET_USER_CONFIG="${HOME}/.config/emcomm-tools/user.json"
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# Update configuration with current callsign and grid
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CALLSIGN=$(cat ${ET_USER_CONFIG} | jq -r .callsign)
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GRID=$(et-system-info grid)
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if [ "${CALLSIGN}" = "N0CALL" ]; then
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notify_user "Can't start WSJT-X. No callsign set. Run: et-user."
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exit 1
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fi
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sed -i "s|^MyCall.*|MyCall=${CALLSIGN}|" ${WSJTX_CONF_FILE}
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sed -i "s|^MyGrid.*|MyGrid=${GRID}|" ${WSJTX_CONF_FILE}
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et-log "Updated WSJT-X configuration with user callsign '${CALLSIGN}' and grid: '${GRID}'"
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# 1. Check if the symlink was created by the udev rules
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if [ -e /dev/et-audio ]; then
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# 2. Check that this device was properly tagged with the ET_AUDIO env variable with a udev rule
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APLAY_OUT=$(arecord -l | grep ET_AUDIO)
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if [ $? -eq 0 ]; then
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AUDIO_DEVICE=$(echo $APLAY_OUT | cut -d"," -f2 | cut -d":" -f1 | awk '{print $2}')
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# WSJT-X has an issue decoding the received audio following a
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# transmission when the device below is used.
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#
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#WSJTX_AUDIO_DEVICE="plughw:CARD=ET_AUDIO,DEV=${AUDIO_DEVICE}"
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#
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# Instead, the following device solves this issue:
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WSJTX_AUDIO_DEVICE="sysdefault:CARD=ET_AUDIO"
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et-log "Using '${WSJTX_AUDIO_DEVICE}' for WSJT-X configuration."
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# 3. Check for existing WSJT-X sound configuration
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## Update input
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grep "^SoundInName" ${WSJTX_CONF_FILE}
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if [ $? -eq 0 ]; then
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sed -i "s|^SoundInName.*|SoundInName=\"${WSJTX_AUDIO_DEVICE}\"|" ${WSJTX_CONF_FILE}
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else
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echo "SoundInName=\"${WSJTX_AUDIO_DEVICE}\"" >> ${WSJTX_CONF_FILE}
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fi
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## Update output
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grep "^SoundOutName" ${WSJTX_CONF_FILE}
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if [ $? -eq 0 ]; then
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sed -i "s|^SoundOutName.*|SoundOutName=\"${WSJTX_AUDIO_DEVICE}\"|" ${WSJTX_CONF_FILE}
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else
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echo "SoundOutName=\"${WSJTX_AUDIO_DEVICE}\"" >> ${WSJTX_CONF_FILE}
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fi
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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 WSJT-X. 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 WSJT-X. 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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