mirror of
https://github.com/thetechprepper/emcomm-tools-os-community.git
synced 2026-09-17 15:41:44 -04:00
thetechprepper
130 lines
3.3 KiB
Bash
Executable File
130 lines
3.3 KiB
Bash
Executable File
#!/bin/bash
|
|
#
|
|
# Author : Gaston Gonzalez
|
|
# Date : 30 June 2026
|
|
# Purpose : Wrapper script for starting modem73 with PnP support
|
|
#
|
|
# Preconditions:
|
|
# 1. Supported radio and audio interface are connected and properly detected
|
|
#
|
|
# Postconditions:
|
|
# 1. modem73 started with sane defaults
|
|
|
|
MODEM73_CONF_FILE="${HOME}/.config/modem73/settings"
|
|
|
|
usage() {
|
|
echo "usage: $(basename $0) <command> <type>"
|
|
echo " <command>"
|
|
echo " start - Start modem73 in selected mode"
|
|
echo " update-config - Update configuration for selected mode"
|
|
echo ""
|
|
echo " <type>"
|
|
echo " default - QPSK, normal frames, 1/2 code rate (recommended)"
|
|
}
|
|
|
|
if [[ $# -ne 2 ]]; then
|
|
usage
|
|
exit 1
|
|
fi
|
|
|
|
MODE=$2
|
|
case "${MODE}" in
|
|
default)
|
|
et-log "Configuration updates not yet implemented."
|
|
;;
|
|
*)
|
|
et-log "Can't started modem73. Mode '${MODE}' not supported"
|
|
usage
|
|
exit 1
|
|
;;
|
|
esac
|
|
|
|
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}
|
|
|
|
start() {
|
|
update_config
|
|
|
|
if [ $? -eq 0 ]; then
|
|
|
|
systemctl is-active --quiet rigctld
|
|
if [ $? -ne 0 ]; then
|
|
et-log "Can't start modem73. rigctld not running. Ensure radio is selected."
|
|
notify_user "Can't start modem73. rigctld not running."
|
|
exit 1
|
|
fi
|
|
|
|
ALSA_DEVICE=$(et-system-info et-audio-card)
|
|
INPUT_AUDIO=$(modem73 --list-audio | grep input | grep $ALSA_DEVICE | cut -d":" -f3)
|
|
OUTPUT_AUDIO=$(modem73 --list-audio | grep output| grep $ALSA_DEVICE | cut -d":" -f3)
|
|
|
|
CMD="modem73 --input-device ${INPUT_AUDIO} --output-device ${OUTPUT_AUDIO} --ptt rigctl --headless"
|
|
et-log "Starting modem73 with: '${CMD}'"
|
|
echo
|
|
${CMD}
|
|
else
|
|
et-log "Error updating configuration. Can't start modem73"
|
|
exit 1
|
|
fi
|
|
}
|
|
|
|
update_config () {
|
|
|
|
# The modem73 configuration file causes issues when using it in combination with
|
|
# command line arguments during manual runs. It is best to remove it before each
|
|
# run and drive the modem using only command line arguments.
|
|
if [[ -e "${MODEM73_CONF_FILE}" ]]; then
|
|
et-log "Removing previous configuration file: ${MODEM73_CONF_FILE}"
|
|
rm -v ${MODEM73_CONF_FILE}
|
|
fi
|
|
|
|
et-log "Attempting to start modem73 in mode: '${MODE}'"
|
|
|
|
[ -z "$ET_USER_CONFIG" ] && ET_USER_CONFIG="${HOME}/.config/emcomm-tools/user.json"
|
|
|
|
CALLSIGN=$(cat ${ET_USER_CONFIG} | jq -r .callsign)
|
|
|
|
# 1. Check if the symlink was created by the udev rules
|
|
if [ -e /dev/et-audio ]; then
|
|
|
|
# 2. Check that this device was properly tagged with the ET_AUDIO env variable with a udev rule
|
|
APLAY_OUT=$(arecord -l | grep ET_AUDIO)
|
|
if [ $? -eq 0 ]; then
|
|
|
|
# Configure ALSA settings for sound card
|
|
/opt/emcomm-tools/bin/et-audio update-config
|
|
|
|
else
|
|
et-log "No ET_AUDIO device detected."
|
|
notify_user "Can't start modem73. No ET_AUDIO device detected."
|
|
exit 1
|
|
fi
|
|
else
|
|
et-log "No ET_AUDIO device plugged in."
|
|
notify_user "Can't start modem73. No supported audio device plugged in."
|
|
exit 1
|
|
fi
|
|
|
|
}
|
|
|
|
case $1 in
|
|
start)
|
|
start
|
|
;;
|
|
update-config)
|
|
update_config
|
|
;;
|
|
*)
|
|
echo "Invalid command."
|
|
usage
|
|
exit 1
|
|
;;
|
|
esac
|