Bud Woodling <[email protected]> writes: > I'm writing my own Android app for TeleBT that would be optimized for a small > screen format, and I'm looking for documentation on the TeleBT Data > Packets.
I'd encourage you to use the existing altos library for Android; it
provides an API for talking to the BT device.
TeleBT implements the same 'command line' as the rest of the Altus
Metrum devices, you can connect to them with a serial terminal program
over USB and type '?' to read the on-line help. There's also some
limited documentation about this command protocol in Appendix A of the
Altus Metrum manual.
> In particular I need to know what data strings are sent from AltosDroid (or
> any app) to the TeleBT module.
You can go look at the source code for AltosDroid from our git
repository:
git://git.gag.com/fw/altos
> I'm able to read and process the data
> packets that TeleBT sends out over BT, but I haven't seen any documentation
> on communication in the other direction. I've noticed that TeleBT forgets
> it's 70cm frequency setting when it gets powered down, and I need to be
> able to tell it which frequency to use.
altoslib knows how to set the frequency, it also knows how to parse all
of the telemetry formats and compute the current flight state from the
raw sensor values.
-keith
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