Do not expect that Stanley Huang (the creator of Freematics) will help you with your problems - you're on your own. The main advantage of Freematics is that tha hardware comes with fully libre software, that you may customize as you wish. But eventually I realized, that OBD data is not that really needed for my purposes of tracking vehicle's location and movement. I tested to figure out the perpetrator: an expensive OBD-reader from another manufacturer could read my ODB data, and Freematics was able to read other car's data. In my case, Freematics DIDN'T work with my Renault's OBD-II port. I've also seen many complaints that Freematics has numerous problems with electric vehicles. If you have a car manufactured before 2000s, it probably will not support the OBD specification. I will fix so that it will ping server and also transmit latest location. NOT FIXED This approach has many flaws: if you had a ride in the area with bad network coverage, your route there will have significat gaps or if you stopped your car in place A with internet, then moved to place B while being offline and then internet appeared in place B, then Freematics will send just ping events (not location data), and Traccar will show that your are still in place A. Freematics doesn't re-send any data collected while being offline, but only stores them on disk. When in standby, Freematics pings the server every PING_BACK_INTERVAL seconds (15 min by default) and if there is no connection, then it just waits for the next 15 min. Wakes up after the accelerator sensor wakes it up.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |