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d75-connect
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d75-connect
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#!/bin/bash
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#script to connect linux mint machine with Kenwood D75 radio. May possibly work with D74 but not tested.
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#26FEB2024 KM4ACK
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#HELP
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#Before using this script, the D75 should be paired and trusted using the Bluetooth GUI app
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#found in Linux Mint.
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#KISS 12 TNC MUST be turned off for GPS. It must be turned ON for Winlink, packet, and APRS. (Function 5 on radio)
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#Bluetooth MUST be turned on on the radio. Also, GPS must be set to Bluetooth (Menu 981) and KISS must be set to
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#Bluetooth (Menu 983).
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#Start by scanning for your radio so the mac address can be recorded. By clicking the "Scan" button, hcitool scan
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#will be run in the background and look for the radio. The radio should be in "Pairing Mode" (menu item 934) before
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#starting the scan. It takes ~20 seconds for the scan to complete and display the results. If the scan does not
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#see the radio, verify that Bluetooth is on and "Pairing Mode" is enabled on the radio and try again. A few
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#times I have seen it take four or five scans to find the radio.
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#Next, start either Winlink, GPS, or YAAC.
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#Winlink requires that Pat Winlink and ax25 are both installed. D75-Connect will create the connection to the radio,
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#start ax25, and open the Pat mailbox in a browser window.
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#YAAC connection require that YAAC is installed. When connecting YAAC with the radio, the script creates a new port
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#(/dev/rfcomm0). YAAC will open with a custom blank "D-75" profile which can be tailored to the D75 without messing
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#with other YAAC configurations that may be present on your machine. D75-Connect assumes that YAAC is installed at
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#$HOME/YAAC/YAAC.jar. If you used Build a Pi or 73Linux for the install, this should be the path. However, the
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#YAAC path can be modified in the yaac function found below. Before using YAAC with the script, be sure that
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#KISS 12 is diplayed on the radio. This can be enabled with function 5 on the radio.
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#GPS requires that the gpsd package be installed on your system. Before attempting to stream the GPS data over
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#Bluetooth, be sure that both the APRS modem & KISS 12 are not enabled. (Function 5 on the radio)
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#Before closing the D75-Connect App, you should choose "Kill Connection" which will release rfcomm, stop
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#kissattach, and close YAAC and remove rfcomm from gpsd if configured. You should also use the "Kill Connection"
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#when changing between Winlink, GPS, and YAAC connections.
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#D75-Connect is NOT compatible with Wayland
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#TROUBLESHOOTING
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#After you have chosen a connection method, the Bluetooth icon on the radio should be blue. If it remains grey,
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#it did not connect successfully. If the icon isn't blue after 10 seconds or so, kill the connection and try again.
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#Only packet Winlink sessions will work with the TNC in the Kenwood D75. VARA FM WILL NOT work.
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#END HELP
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version=1
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mydir="$(cd "$(dirname "$0")" && pwd)"
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LOGO=/usr/share/icons/Adwaita/32x32/devices/phone-old-symbolic.symbolic.png
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pat_port=$(grep http_addr /home/$USER/.config/pat/config.json | awk -F ":" '{print $3}' | sed 's/",//')
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mac_file=${mydir}/.d75-connect.mac_addr
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mac=$(cat ${mac_file})
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splash(){
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yad --width=200 --height=200 --title="D75 Connect" --timeout=2 --image ${LOGO} --text-align=center --skip-taskbar --image-on-top \
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--wrap --no-buttons --center --window-icon=${LOGO} --undecorated --text="<big><b>\r\r\r\rD75 Connect\rversion ${version}</b></big>\rKM4ACK"
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}
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check_pw(){
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#get sudo pw
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if [ ! -f /run/user/$UID/.d75 ]; then
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PW=$(yad --title="sudo password" --width=400 --height=100 \
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--image $LOGO --window-icon=$LOGO --image-on-top --text-align=center \
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--center --form --text="Please enter your sudo password" \
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--field="Password":H \
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--button=gtk-ok)
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PASS=$(echo $PW | awk -F "|" '{print $1}')
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echo $PASS | base64 > /run/user/$UID/.d75
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echo '#!/bin/bash' > /run/user/$UID/.d75pw
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echo 'PASS=$(base64 -d /run/user/$UID/.d75)' >> /run/user/$UID/.d75pw
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echo 'echo $PASS' >> /run/user/$UID/.d75pw
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chmod +x /run/user/$UID/.d75pw
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export SUDO_ASKPASS=/run/user/$UID/.d75pw
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#reset sudo timer to prevent false positive
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sudo -k
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echo "Checking SUDO credentials....standby"
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sudo -A touch /run/user/$UID/sutest 2>&1 </dev/null
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if [ $? = 1 ]; then
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yad --title="Wrong Password" --width=400 --height=100 \
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--image $LOGO --window-icon=$LOGO --image-on-top --text-align=center \
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--center --form --text="Wrong Password. Can't continue'" \
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--button="Exit"
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rm /run/user/$UID/.d75 /run/user/$UID/.d75pw
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exit
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else
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echo "Credentials check out....continuing"
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fi
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else
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export SUDO_ASKPASS=/run/user/$UID/.d75pw
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fi
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}
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MAIN(){
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#MAIN MENU
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MENU=$(yad --image $LOGO --window-icon=$LOGO --form --width=400 --text="<b>D75 Connect v${version}</b>\rMAC = ${mac}" --text-align=center --center --title="D75 Connect" \
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--button="Winlink":2 \
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--button="YAAC":5 \
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--button="GPS":3 \
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--button="Kill Connection":4 \
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--button="Scan":6 \
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--button=Quit:1 )
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BUT=$?
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case $BUT in
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1) quit ;;
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2) pair_winlink ;;
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3) pair_gps ;;
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4) kill_connection ;;
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5) yaac ;;
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6) scan ;;
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252) quit ;;
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esac
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}
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check(){
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#function verifies we have a mac address to work with
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if [ -z ${mac} ]; then
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yad --title="D75 Connect" --width=400 --height=100 \
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--image $LOGO --window-icon=$LOGO --window-icon=$LOGO --image-on-top --text-align=center \
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--center --form --text="\r\r\r\rNo Device Defined\rRun Scan Before Connecting" \
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--button=gtk-ok
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if [ $? = 252 ]; then
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exit
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fi
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MAIN
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fi
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}
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scan(){
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#function scans for device and records mac address chosen.
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yad --title="D75 Connect" --width=400 --height=100 \
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--image $LOGO --window-icon=$LOGO --window-icon=$LOGO --image-on-top --text-align=center \
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--center --form --text="\r\r\r\rPut radio in Pairing mode before clicking ok\r<b>Menu 934</b>" \
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--button=gtk-ok
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if [ $? = 252 ]; then
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MAIN
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fi
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file=/run/user/$UID/hci-scan.tmp
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#give user some feedback
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yad --center --timeout=10 --timeout-indicator=top --no-buttons --height=100 --width=300 \
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--title="Scanning" --image $LOGO --window-icon=$LOGO --image-on-top \
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--text="Scanning for device. This takes about 20 seconds to complete. Devices will appear after scan is complete." &
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hcitool scan > ${file}
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mac=$(tail -n +2 ${file} | yad --title="D75 Connect" --list --column=Devices --image $LOGO \
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--window-icon=$LOGO --height=200 --width=300 --center --text="Select your device" \
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--button=gtk-ok)
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#echo $?; exit
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#check if "x" was pressed
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if [ $? = 252 ]; then
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exit;
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fi
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mac=$(echo $mac | awk '{print $1}')
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echo ${mac} | tee ${mac_file}
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MAIN
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}
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yaac(){
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#function pairs with radio and starts YAAC with d75 profile
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check
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sudo -A rfcomm bind /dev/rfcomm0 ${mac} 2
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sleep 1
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java -jar $HOME/YAAC/YAAC.jar -profile d75 &
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sleep 2
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yaac_pid=$(ps aux | grep -i yaac.jar| awk '{print $2}' | tail -2 | head -1)
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MAIN
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}
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quit(){
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#function checks for active connection before exit
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if [[ -n `ls /dev/ | grep rfcomm` ]]; then
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yad --title="D75 Connect" --width=400 --height=100 \
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--image $LOGO --window-icon=$LOGO --image-on-top --text-align=center \
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--center --form --text="\r\r\r\rConnection Active!\rKill connection before exit?" \
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--button=Kill:1 \
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--button=Exit:2
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if [ $? = 1 ]; then
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echo "killing connection"
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sudo -A killall kissattach
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kill ${yaac_pid}
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sudo -A rfcomm release all
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echo "73, QRT"; exit
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else
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echo "73, QRT"; exit
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fi
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else
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echo "73, QRT"; exit
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fi
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}
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pair_winlink(){
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#function pairs with radio and starts Pat Winlink
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check
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yad --title="D75 Connect" --width=400 --height=100 \
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--image $LOGO --window-icon=$LOGO --image-on-top --text-align=center \
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--center --form --text="\r\r\r\rBe sure Bluetooth and TNC is enabled\rThen press ok" \
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--button=gtk-ok
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sudo -A rfcomm bind /dev/rfcomm0 ${mac} 2
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sudo -A kissattach /dev/rfcomm0 wl2k
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sudo -A kissparms -c 1 -p wl2k
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export DISPLAY=:0 && xdg-open http://127.0.0.1:$pat_port > /dev/null 2>&1 &
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MAIN
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}
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pair_gps(){
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#function pairs with radio and updates /etc/default/gpsd file for GPS over rfcomm0
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check
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yad --title="D75 Connect" --width=400 --height=100 \
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--image $LOGO --window-icon=$LOGO --image-on-top --text-align=center \
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--center --form --text="\r\r\r\rBe sure Bluetooth AND the TNC is <b>disabled</b>\rThen press ok" \
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--button=gtk-ok
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sudo -A rfcomm bind /dev/rfcomm0 ${mac} 2
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cp /etc/default/gpsd /run/user/$UID
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sed -i "s|DEVICES=.*|DEVICES=\"/dev/rfcomm0\"|" /run/user/$UID/gpsd
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sudo -A cp /run/user/$UID/gpsd /etc/default/
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sudo -A systemctl restart gpsd
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yad --center --height="300" --width="300" --form --separator="|" --item-separator="|" --title="GPS" \
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--image $LOGO --window-icon=$LOGO --image-on-top \
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--text="\r\r\r\r\r<b><big>GPS had been updated</big></b>" \
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--button="OK":1
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MAIN
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}
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kill_connection(){
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#function kills existing connection(s)
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kill ${yaac_pid}
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sudo -A killall kissattach
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sudo -A rfcomm release all
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#next lines are needed to clear rfcomm from gpsd config file so that the GPS
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#will not try to take over when we enable a TNC connection
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if [[ -n `grep rfcomm /etc/default/gpsd` ]]; then
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sed -i "s|DEVICES=.*|DEVICES=\"/dev/rfcomm0\"|" /run/user/$UID/gpsd
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sudo -A cp /run/user/$UID/gpsd /etc/default/
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sudo -A systemctl restart gpsd
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fi
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MAIN
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}
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splash #show splash screen
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check_pw #check for sudo pw
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check #check for mac address
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MAIN #call main menu
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