linbpq - Initial configuration file and wrapper script. This is WiP.

overlay/opt/emcomm-tools/bin/et-linbpq

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+#!/bin/bash
+#
+# Author  : Gaston Gonzalez
+# Date    : 8 November 2024
+# Purpose : Wrapper script for starting Linbpq
+#
+# Preconditions:
+# 1. Supported radio and audio interface are connected and properly detected
+# 2. Dire Wolf is running
+#
+# Postconditions:
+# 1. Audio settings updated
+# 2. linbpq started
+#
+
+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 ${ET_LOG_DIR}
+
+# TODO: Check that Dire Wolf is running
+# TODO: Rename Linbpq to LINBPQ
+
+# 1. Check if the symlink was created by the udev rules
+if [ -e /dev/et-audio ]; then
+
+   # 2. Check that this device was properly tagged with the ET_AUDIO env variable with a udev rule
+   APLAY_OUT=$(arecord -l | grep ET_AUDIO)
+   if [ $? -eq 0 ]; then
+     AUDIO_CARD=$(echo $APLAY_OUT | cut -d":" -f1 | awk '{print $2}')
+     AUDIO_DEVICE=$(echo $APLAY_OUT | cut -d"," -f2 | cut -d":" -f1 | awk '{print $2}')
+     Linbpq_AUDIO_DEVICE="plughw:${AUDIO_CARD},${AUDIO_DEVICE}"
+
+     # 3. Update audio device
+     et-log "Using '${Linbpq_AUDIO_DEVICE}' as audio device for Linbpq."
+
+     # 4. Configure ALSA settings for sound card
+     /opt/emcomm-tools/bin/et-audio update-config
+
+   else
+     et-log "Can't start linbpq. No ET_AUDIO device detected."
+     notify_user "Select radio and plug it in"
+     exit 1
+   fi
+else
+  et-log "No ET_AUDIO device plugged in. No supported audio device plugged in."
+  notify_user "Select radio and plug it in"
+  exit 1
+fi
+
+[ -z "$ET_USER_CONFIG" ] && ET_USER_CONFIG="${HOME}/.config/emcomm-tools/user.json"
+
+CALLSIGN=$(cat ${ET_USER_CONFIG} | jq -r .callsign)
+GRID=$(cat ${ET_USER_CONFIG} | jq -r .grid)
+
+cp /opt/emcomm-tools/conf/template.d/packet/bpq32.digipeater.cfg bpq32.cfg
+sed -i "s|{{ET_CALLSIGN}}|${CALLSIGN}|g" bpq32.cfg
+sed -i "s|{{ET_GRID}}|${GRID}|g" bpq32.cfg
+
+CMD="linbpq"
+et-log "Starting Linbpq with: '${CMD}'"
+${CMD}

overlay/opt/emcomm-tools/conf/template.d/packet/bpq32.digipeater.cfg

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+SIMPLE
+LOCATOR={{ET_GRID}}
+NODECALL={{ET_CALLSIGN}}-4
+
+CTEXT:
+Welcome to the {{ET_CALLSIGN}}-4 LinBPQ Node.
+***
+
+FULL_CTEXT=0
+
+BTEXT:
+!3742.65N/08553.17W#{{ET_CALLSIGN}} LinBPQ on EmComm Tools.
+***
+
+IDMSG:
+TMH LinBPQ Node {{ET_CALLSIGN}}-4
+***
+
+INFOMSG:
+Sysop {{ET_CALLSIGN}}
+***
+
+MAPCOMMENT=EmComm Tools LinBPQ Node
+
+IDINTERVAL=15
+BTINTERVAL=15
+NODESINTERVAL=25
+
+PORT
+ PORTNUM=1                ; Optional but sets port number if stated
+ ID=BPQ 145.710MHZ        ; Displayed by PORTS command
+ TYPE=ASYNC               ; Port is RS232 Com
+ PROTOCOL=KISS            ; TNC is used in KISS,or BPQKISS mode
+ IPADDR=127.0.0.1
+ TCPPORT=8001	
+ CHANNEL=A                ; A single channel TNC, A or B for multichannel
+ NOKEEPALIVES=0
+ PERSIST=160              ; PERSIST=256/(# of transmitters-1)
+ SLOTTIME=180             ; CMSA interval timer in milliseconds
+ TXDELAY=270              ; Transmit keyup delay in milliseconds
+ TXTAIL=23                ; TX key down, in milliseconds, at packet end
+ QUALITY=203              ; Quality factor applied to node broadcasts
+ MINQUAL=201              ; Entries in the nodes table with qualities
+                          ; greater or equal to MINQUAL will be sent on
+                          ; this port. A value of 0 sends everything.
+ MAXFRAME=6               ; Max outstanding frames (1 thru 7)
+ FRACK=5000               ; Level 2 timout in milliseconds
+ RESPTIME=1000            ; Level 2 delayed ack timer in milliseconds
+ RETRIES=100              ; Level 2 maximum retry value
+ PACLEN=236               ; Default max packet length for this port
+ UNPROTO={{ET_CALLSIGN}}-4; BTEXT broadcast addrs format:
+                          ; DEST[,digi1[,digi2]]
+ BCALL={{ET_CALLSIGN}}-4  ; BTEXT call. unstated defaults to APPL1CALL
+ L3ONLY=0                 ; 1=No user downlink connects on this port
+ DIGIFLAG=1               ; Digipeat: 0=OFF, 1=ALL, 255=UI Only
+ DIGIPORT=0               ; Port on which to send digi'd frames
+ USERS=0                  ; Maximum number of L2 sessions, 0 = no limit
+ENDPORT