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Further update: the new belt does work with my G7 but does not with the Honor 7 (whereas the old belt did): it connects but then it's a stream of disconnection errors.

So, again, it seems very obvious to me that Oruxmaps has issues with BLE Heart Rate Monitors, it did since the feature has been introduced. If you're lucky and you have the right mix of belt/phone it MAY work for you.

Now Orux, I do understand you're getting very little out of this app and as users we probably get much more than you do (a very competent app essentially for free, I bought the donate version but these are still peanuts) but I have to admit that sending bug reports to /dev/null is discouraging. I would rather pay some 20 euros for the app but have someone willing to assist users when they need it.

Just think about my situation right now: I use the app for mountain biking and I need a reliable HRM function. Should I start buying all the cardio belts at Amazon until I find a supported one or should I switch to a different App altogether (which is something I would rather not do since I love Oruxmaps)? Or should I wait for a fix that could never come?

Update: I bought a cheap strap (this one: https://www.amazon.it/dp/B078715WKZ">https://www.amazon.it/dp/B078715WKZ) and it works (but the measures seem less precise than the geonaute's ones). So it's not the phone, but it's not the old strap either, given that it works with most other apps.

My guess is that the old strap is some kind of slow in sending back data to the app on Oruxmaps uses a timeout that is too short. Or it needs a couple of retries, something that the other apps do and Oruxmaps does not.

In the last few years a bunch of people complained here about Ourxmaps and BLE devices. I do understand these are hard-to-debug issues since they depend on combinations of different factors but I would ask Orux to try the two workarounds I suggested. In the case I'm willing to test the outcome with the old and the new BLE HRMs.

Alternatively I could try, if they exist, some open source BLE HR monitor apps and check if they works. If they do, Orux could try to see what's different with respect to his implementation...

Have you checked if also in your case the strap works with other apps?

I'm experiencing a similar problem. Did you find any solution to yours?

I have a trusty Geonaute BLE chest strap that works just fine on OruxMaps on an old Honor 7.

Now I'm switching to a LG G7 and I've found no way to have the HRM working.

The strap does work with other apps (like Locus) but with OruxMaps the behaviour is always the same: I get the "connecting..." message, after a while "Connected to Bluetooth device" pops up (so far so good) but after about 5 seconds a new message informs me: "Bluetooth connection lost!  Retrying in 30 seconds".

Now I can wait or restart the HRM monitor, the results does not change: no heart beat is ever acquired.

Suggestions? Similar experiences? Is there a log that I can examine to check what's going wrong?

Hi, It should work, if it follows BT 4.0 heartrate interface.



Did you:?



-->selected the heart rate display controls in configuration--user interface--dashboard--user interface.

-->started the monitor in mapviewer, 'Tracks' button->'Start heartrate'

Ouch, no. I didn't realize I had to start the monitoring explicitly with 'Start heartrate'.

Thanks Orux, it works now.

When switching between views (mapviewer - TC1..5) it seems like it's renegotiating the connection and at times a "retrying in 30s" comes up, other than that it looks fine.



Davide.

Oh well, I knew it was a gamble but gave it a shot and bought this one:

http://www.decathlon.fr/cardio-bluetooth-smart-id_8288269.html">http://www.decathlon.fr/cardio-bluetoot ... 88269.html">http://www.decathlon.fr/cardio-bluetooth-smart-id_8288269.html

it turns out it works just with some BLE Apps, and OruxMaps in not among these.

I'd like to try to give my contribution to have this kid running, it's a decent quality item and the cost is reasonable, what can I do to help having it supported?

One of the most demoralizing problems I have is that OM just gives you no feedback at all. You set it all up, enable BLE HR, do pairing and so on but you get no messages of any kind; it's just the heart rate measure staying silent. Is there a way to enable some kind of logging so I can see what's happening under the hood?

Again: I'm willing to help as much as I can, I can test code or whatever (I never actually wrote code for an Android device but I can try).



Keep up the good work!



Davide.