Wavecom WMP100 - Using TCU Service (Open AT OS) - Need help

It’s not so much that setting the pin, as such, takes a long time. It’s the fact that doing it via Open-AT means that it has to be scheduled into Open-AT’s internal operations (which, in turn, has to be scheduled within the GSM stack’s requirements) - and that is where the problem lies!

Again, the analogy with VB on a Windows PC holds.

Yes.

Actually, the Master has to time its write pulse as 8us (+/-5%);

It’s the Slave that holds the line fo 15us to response with a ‘0’

The ARM9 is not the limiting factor - again, like the VB analogy.

From the timing limits & capabilities given in the documentation, it should be obvious that microsecond resolution is not available.

OK, I have knowledge so I can talk with my supervisor and convince him that it can’t be done that way.

Thanks for all @awneil.