System Deep Sleep - WakeUp event = Particle.Function()

[RWB]

Funny I remember that thread your thinking of also but it looks to be missing or has been modified

Here is what I can find about waking up the Electron from the RI_UC pin.

ring indicator pin URC test app

Here is the thread I think we both remember. He is using the RI-UC pin in this code so the wake from SMS is probably baked into it also.

Receiving SMS in Particle Electron

Thanks to @mrlowalowa, @developer_bt, @ScruffR, @RWB, etc… for their amazing work on Electron and SMS. I managed to receive SMS and process it using third party SIM. Whenever an Call or SMS is received, the interrupt on the RI_UC will be triggered. Also we can read the SMS using AT+CMGR Command. The syntax is AT+CMGR=<index>. The index is the index of the memory at which the message is stored. Here the key is to find the index of the last SMS. For this purpose we can use AT+CPMS? command. This …