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VGC VR-N76 - Cloned et-uv-pro script for simplicity with minor adjustments to use VGC VR-N76
This commit is contained in:
Gaston Gonzalez
@@ -1,11 +1,24 @@
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#!/bin/bash
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#
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# Authors : Gaston Gonzalez
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# : Clifton Jones
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# Date : 1 January 2025
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# Updated : 19 February 2025
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# Purpose : Utility for accessing the Bluetooth TNC on the VGC VR-N76
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#
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# Authors : Gaston Gonzalez
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# : Clifton Jones
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# Date : 1 January 2025
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# Updated : 15 March 2025
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# Purpose : Utility for accessing the Bluetooth TNC on the VGC VR-N76.
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source /opt/emcomm-tools/bin/et-common
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CLEAN_UP=1
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cleanup() {
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# Note: We need to reconnect to the Bluetooth device on every mode change.
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# As such, we need kill all the rfcomm and kiss process on exit.
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if [[ ${CLEAN_UP} -eq 1 ]]; then
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sudo /opt/emcomm-tools/bin/et-kill-bt
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fi
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}
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# Kill all Bluetooth TNC services on exit
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trap cleanup EXIT
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ACTIVE_RADIO="${ET_HOME}/conf/radios.d/vgc-vrn76.bt.json"
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DEVICE_NAME="VR-N76"
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@@ -13,47 +26,35 @@ BT_DEVICE="/dev/rfcomm0"
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AX25_PORT="wl2k"
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AX25_CONF_FILE="/etc/ax25/axports"
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ESC="\x1B"
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RED="${ESC}[1;31m"
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BLUE="${ESC}[1;34m"
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GREEN="${ESC}[1;32m"
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WHITE="${ESC}[97m"
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YELLOW="${ESC}[1;33m"
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NC="${ESC}[0m"
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function usage() {
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echo "Usage: $(basename $0) <command>"
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echo " connect - Connect to radio via Bluetooth"
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echo " pair - Pair radio (one-time operation)"
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echo " unpair - Unpair radio"
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echo " c, connect - Connect to radio via Bluetooth"
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echo " p, pair - Pair radio (one-time operation)"
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echo " u, unpair - Unpair radio"
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CLEAN_UP=0
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}
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if [ $# -ne 1 ]; then
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if [[ $# -ne 1 ]]; then
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usage
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exit 1
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fi
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error_message() {
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echo -e "${RED}"
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et-log $*
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echo -e "${NC}"
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}
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if [[ -e ${BT_DEVICE} ]]; then
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echo -e "${YELLOW}Your ${BLUE}${DEVICE_NAME}${YELLOW} may have a connection that needs to be cleaned up."
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echo -e "Press ${WHITE}[ENTER]${YELLOW} to clean-up.${NC}"
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read -p ""
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cleanup
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fi
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info_message() {
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echo -e "${BLUE}"
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et-log $*
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echo -e "${NC}"
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}
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success_message() {
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echo -e "${GREEN}"
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et-log $*
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echo -e "${NC}"
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stop_all_services() {
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et-kill-all
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}
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exit_if_no_active_radio () {
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if [ ! -e ${ACTIVE_RADIO} ]; then
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error_message "${ACTIVE_RADIO} file not found"
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echo "${ACTIVE_RADIO} file not found"
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exit 1
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fi
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}
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@@ -61,7 +62,7 @@ exit_if_no_active_radio () {
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get_mac_or_exit () {
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MAC=$(cat ${ACTIVE_RADIO} | jq -e -r .bluetooth.mac)
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if [ $? -ne 0 ]; then
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error_message "No MAC address found in ${ACTIVE_RADIO}."
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echo "No MAC address found in ${ACTIVE_RADIO}."
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exit 1
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fi
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}
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@@ -73,7 +74,7 @@ update_ax25_conf() {
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CALLSIGN=$(cat ${ET_USER_CONFIG} | jq -r .callsign)
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if [ "${CALLSIGN}" = "N0CALL" ]; then
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error_message "No callsign set. Run et-user first."
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et-log "No callsign set. Run et-user first."
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exit 1
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fi
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@@ -86,51 +87,87 @@ update_ax25_conf() {
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fi
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info_message "Adding AX25 port for ${CALLSIGN}"
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echo "${AX25_PORT} ${CALLSIGN} 1200 255 2 1200 Packet" >> ${AX25_CONF_FILE}
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}
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stop_all_services() {
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PS_OUT=$(ps -ef | grep [k]issattach)
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if [ $? -eq 0 ]; then
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info_message "Killing kissattach process(es)..."$
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sudo killall kissattach
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do_kiss_attach() {
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echo -e "${BLUE}Connecting KISS interface using ${BT_DEVICE} and AX.25 port: ${AX25_PORT}${NC}"
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KISS_OUT=$(sudo kissattach ${BT_DEVICE} ${AX25_PORT})
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if [[ $? -ne 0 ]]; then
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echo -e "${RED}Failed to attach KISS port.${NC}"
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exit 1
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fi
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sleep 3
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PS2_OUT=$(ps -ef | grep -v krfcommd | grep [r]fcomm)
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if [ $? -eq 0 ]; then
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info_message "Killing rfcomm process(es)..."
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sudo killall rfcomm
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KISS_OUT=$(sudo kissparms -c 1 -p ${AX25_PORT})
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}
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exit_on_service_failure() {
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local systemd_unit_name="$1"
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systemctl is-active --user --quiet "${systemd_unit_name}"
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if [ $? -ne 0 ]; then
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et-log "Can't start mode. ${systemd_unit_name} failed to start."
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exit 1
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fi
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}
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TIMEOUT=15 # Total time to wait in seconds
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INTERVAL=2 # Interval between checks in seconds
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start_and_wait_for_service() {
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local systemd_unit_name="$1"
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local elapsed=0
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et-log "Starting ${systemd_unit_name}..."
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systemctl --user start ${systemd_unit_name}
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et-log "Waiting for ${systemd_unit_name} to become active..."
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while ! systemctl is-active --user --quiet "${systemd_unit_name}"; do
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sleep "$INTERVAL"
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elapsed=$((elapsed + INTERVAL))
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if [ "$elapsed" -ge "$TIMEOUT" ]; then
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et-log "Timeout reached. ${systemd_unit_name} failed to start."
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exit 1
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fi
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et-log "Waiting for ${systemd_unit_name} to become active..."
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done
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# Some applications even when started still need a bit of extra time to be available.
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# Add a short think time of 2 seconds. The ARDOP modem requies extra time.
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sleep 2
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# Do one more check to ensure that we are running, otherwise exit.
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exit_on_service_failure ${systemd_unit_name}
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}
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exit_if_no_active_radio
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case $1 in
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pair)
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p|pair)
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MAC=$(cat ${ACTIVE_RADIO} | jq -e -r .bluetooth.mac)
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if [ $? -eq 0 ]; then
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PAIR_STATUS=$(bluetoothctl info "${MAC}" | grep "Paired:" | awk '{print $2}')
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if [ "${PAIR_STATUS}" == "yes" ]; then
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error_message "Device with MAC ${MAC} is already paired."
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echo "Device with MAC ${MAC} is already paired."
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exit 1
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fi
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fi
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echo -e "${YELLOW}"
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echo -e "1. Turn on the VGC VR-N76"
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echo -e "2. Goto Menu > Pairing and press OK"
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read -p "3. Press [ENTER] when done."
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echo -e "1. Turn off your ${DEVICE_NAME}"
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echo -e "2. Turn on your ${DEVICE_NAME}"
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echo -e "3. Goto Menu > Pairing and press OK"
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echo -e "4. Press ${WHITE}[ENTER]${YELLOW} when done.${NC}"
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read -p ""
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info_message "Searching for ${DEVICE_NAME}..."
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echo "Searching for ${DEVICE_NAME}..."
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HCI_OUT=$(hcitool scan | grep "${DEVICE_NAME}")
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if [ $? -ne 0 ]; then
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error_message "Can't find ${DEVICE_NAME}. Make sure that the radio is on and in pairing mode."
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echo "Can't find ${DEVICE_NAME}. Make sure that the radio is on and in pairing mode."
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exit 1
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fi
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@@ -165,81 +202,106 @@ EOF
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sleep 1 && chmod 755 ${PAIR_SCRIPT} && expect ${PAIR_SCRIPT}
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;;
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unpair)
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u|unpair)
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MAC=$(cat ${ACTIVE_RADIO} | jq -e -r .bluetooth.mac)
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if [ $? -ne 0 ]; then
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error_message "No MAC found in radio configuration file."
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echo "No MAC found in radio configuration file."
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exit 1
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fi
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PAIR_STATUS=$(bluetoothctl info "${MAC}")
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if [ $? -ne 0 ]; then
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error_message "No device with ${MAC} found. Can't unpair."
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echo "No device with ${MAC} found. Can't unpair."
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exit 1
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fi
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info_message "Unpairing ${DEVICE_NAME}..."
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echo "Unpairing ${DEVICE_NAME}..."
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bluetoothctl untrust ${MAC}
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bluetoothctl remove ${MAC}
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echo -e "${YELLOW}"
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echo -e "You may also want to remove this device from your VR-N76"
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echo -e "You may also want to remove this device from your ${DEVICE_NAME}"
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echo -e "under Menu > General Settings > Connection > Paired Devices."
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echo -e "${NC}"
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;;
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connect)
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c|connect)
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get_mac_or_exit
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echo -e "${YELLOW}"
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echo -e "1. Turn on the VGC VR-N76"
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echo -e "2. Menu > General Settings > KISS TNC = checked"
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read -p "3. Press [ENTER] when done."
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echo -e "1. Turn off your ${DEVICE_NAME}"
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echo -e "2. Turn on your ${DEVICE_NAME}"
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echo -e "3. Goto Menu > General Settings > KISS TNC > Enable KISS TNC"
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echo -e "4. Press ${WHITE}[ENTER]${YELLOW} when done.${NC}"
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read -p ""
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is_paired=$(bluetoothctl info ${MAC} | grep "Paired" | awk '{print $2}')
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if [ "${is_paired}" != "yes" ]; then
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echo -e "${RED}"
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et-log "VR-N76 is not paired. Run: '$(basename $0) pair'"
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et-log "${DEVICE_NAME} is not paired. Run: '$(basename $0) pair'"
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echo -e "${NC}"
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exit 1
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fi
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echo -e "${GREEN}Found VR-N76 with MAC address: ${MAC}"
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stop_all_services
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echo -e "Found ${DEVICE_NAME} with MAC address: ${MAC}"
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update_ax25_conf
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echo -e "${BLUE}Connecting to radio..."
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sudo rfcomm connect /dev/rfcomm0 ${MAC} 1>/dev/null 2>&1 &
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sleep 10 && reset
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if [ -e /dev/rfcomm0 ]; then
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echo -e "${GREEN}VR-N76 connected via Bluetooth serial${NC}"
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else
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echo -e "${RED}VR-N76 failed to connect via Bluetooth serial${NC}"
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exit 1
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fi
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echo -e "${BLUE}Connecting KISS interface using ${BT_DEVICE} and AX.25 port: ${AX25_PORT}${NC}"
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KISS_OUT=$(sudo kissattach ${BT_DEVICE} ${AX25_PORT})
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if [ $? -eq 0 ]; then
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echo -e "${GREEN}Packet port ready"
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else
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echo -e "${RED}Failed to setup radio for packet.${NC}"
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if [[ ! -e "${BT_DEVICE}" ]]; then
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echo -e "${RED}Failed to connect via Bluetooth${NC}"
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echo -e "${YELLOW}"
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echo -e "1. Try turning off and back on your radio."
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echo -e "2. Check your radio and ensure that ${BLUE}$(hostname)${YELLOW} is listed under:"
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echo -e " Menu > General Settings> Connection > Paired Devices: $(hostname)."
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echo -e ""
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echo -e " If it is not listed, re-run: ${WHITE}$(basename $0) pair${NC}\n"
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exit 1
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fi
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KISS_OUT=$(sudo kissparms -c 1 -p ${AX25_PORT})
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stop_all_services
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echo -e "${YELLOW}"
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echo -e "SAMPLE COMMANDS DESCRIPTION "
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echo -e "------------------------------- --------------------------------"
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echo -e "axcall ${AX25_PORT} <STATION> Connect directly to a node "
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echo -e "axcall ${AX25_PORT} <DIGI> Connect to node via a digipeater"
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echo -e "sudo axlisten -a -tttt -c Monitor inbound and outbound traffic"
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echo -e "${NC}"
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echo -e "\nSelect a packet application to start:"
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options=("axcall" "QtTermTCP" "Winlink" "Exit")
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select opt in "${options[@]}"
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do
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case $opt in
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"axcall")
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do_kiss_attach
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echo -e "${YELLOW}"
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echo -e "SAMPLE COMMANDS DESCRIPTION "
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echo -e "----------------------------- --------------------------------"
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echo -e "axcall wl2k <STATION> Connect directly to a node "
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echo -e "axcall wl2k <STATION> <DIGI> Connect to node via a digipeater"
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echo -e "sudo axlisten -a -tttt -c Monitor inbound and outbound traffic"
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echo -e "${NC}"
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# We can't have the rfcomm and kiss processes killed.
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CLEAN_UP=0
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break
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;;
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"QtTermTCP")
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et-qttermtcp start 1>/dev/null 2>&1
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break
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;;
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"Winlink")
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do_kiss_attach
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start_and_wait_for_service et-service-winlink-native-packet
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min http://localhost:8080 1>/dev/null 2>&1
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break
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;;
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"Exit")
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break
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;;
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*)
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echo "Invalid option, please select a number from the list."
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;;
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esac
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done
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;;
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*)
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