AntPlus how to find which listener for which device

I want to implement a generic AntPlus interface to show the most important values (speed, cadence, battery status, ...) from different AntPlus devices.

As there are so many available values/combinations I dont know how to start there. Does a device, when I get data for example over the BikeCadenceListener also send data over the BikeSpeedCadenceListener and only the cadence value is filled??

How do I know which listener to use for which device, is there any documentation available??

thanks in advance

regards

Erich

0 Kurev over 5 years ago

You can see on your watch, which type your connected devices are. There can be only one of each type connected at the one time, so you know which type of listener to use. This means you won't get same data over different listeners.

0 hundsmiachn over 5 years ago in reply to Kurev

Thanks for your reply. So only one listener for one device... Ok, is there maybe a list available where its shown which listener is needed for which device and what values these devices provide? Or is it just trial and error?

thanks

regards

Erich

0 Kurev over 5 years ago in reply to hundsmiachn

There is a list of each certified device on Ant+ website (not sure if you need register to see it), showing the caterogy and some features:

https://www.thisisant.com/directory/

As for what data you can get, there is mandatory stuff that must be provided to get certified for each category. Mandatory data should be readable directly via the AntPlus API:

https://www.thisisant.com/developer/ant-plus/device-profiles

Then there is optional data that might be provided. This is up to manufacturer to decide what to support, and difficult to know for every device. For this you might need to study more about data pages and how to read them manually.

0 jim_m_58 over 5 years ago in reply to hundsmiachn

One listener per sensor type, and only one sensor of that type is connected at a time.

Have you checked out the CIQ API doc for ANTPlus?

0 hundsmiachn over 5 years ago in reply to Kurev

@Kurev: Thanks for the links, this ant overview is very helpful.

@jim_m_58: Yes, I looked at the api doc, thats why I was a little confused at the start. But in fact there are only 9 different device types supported at the moment as I read it (9 DeviceListeners). So, if I make all values of this 9 Listeners available I think I have most of the ANT+ devices covered.

thanks for your help!

regards

Erich

0 Kurev over 5 years ago in reply to hundsmiachn

This is what I did in my Battery State app, implemented all available listeners. Too bad there isn't one for heart rate available.

By the way, not all listener types are available for all Garmin devices, so you probably want to implement something like this:

if (Toybox.AntPlus has :BikePower) {
    var myPowerListener = new MyBikePowerListener(self);
    myBikePower = new AntPlus.BikePower(myPowerListener);
}

if (Toybox.AntPlus has :BikeSpeed) {
    var mySpeedListener = new MyBikeSpeedListener(self);
    myBikeSpeed = new AntPlus.BikeSpeed(mySpeedListener);
}

etc etc.

0 hundsmiachn over 5 years ago in reply to Kurev

Thank you, will use that..

Erich