Converts the gpsd JSON output to the osmand protocol. In order for this to work, this script requires 'jq' to process the JSON output of gpsd.

gpsd-traccar.sh

#!/bin/bash

ADDR="192.168.1.9" # Replace with your traccar server address
PORT="5055" # Replace this with the port of your traccar server
ID="1234" # Replace this with your chosen traccar id
UPDATE="5" # Update interval

while [ true ]
do
  { echo "?WATCH={"enable":true}"; sleep 1; echo "?POLL;"; sleep 1; } | telnet 127.0.0.1 2947 2> /dev/null 1> gpsgrab-dump
  
  MODE=$( cat gpsgrab-dump | tail -n 1 | jq -r '.tpv[0] | {mode}'  | awk '{print $2}' | head -n 2 | tail -n 1)
  TIME=$( cat gpsgrab-dump | tail -n 1 | jq -r '.tpv[0] | {time}'  | awk '{print $2}' | head -n 2 | tail -n 1 | cut -c2-25)
  LAT=$(  cat gpsgrab-dump | tail -n 1 | jq -r '.tpv[0] | {lat}'   | awk '{print $2}' | head -n 2 | tail -n 1)
  LON=$(  cat gpsgrab-dump | tail -n 1 | jq -r '.tpv[0] | {lon}'   | awk '{print $2}' | head -n 2 | tail -n 1)
  ALT=$(  cat gpsgrab-dump | tail -n 1 | jq -r '.tpv[0] | {alt}'   | awk '{print $2}' | head -n 2 | tail -n 1)
  SPEED=$(cat gpsgrab-dump | tail -n 1 | jq -r '.tpv[0] | {speed}' | awk '{print $2}' | head -n 2 | tail -n 1)
  HDOP=$( cat gpsgrab-dump | tail -n 1 | jq -r '.sky[0] | {hdop}'  | awk '{print $2}' | head -n 2 | tail -n 1)
  
  DATA="http://"$ADDR":"$PORT"/?id="$ID"&lat={"$LAT"}&lon={"$LON"}&timestamp={"$TIME"}&hdop={"$HDOP"}&altitude={"$ALT"}&speed={"$SPEED"}"
  curl "$DATA" 2> /dev/null
  sleep $UPDATE
done