LoRa E32 Sending message and return receipt

[ludophot]

Hello ,

During a transmission is there a return receipt? can we create a while loop which guarantees the sending and the reception of a structure?

thank you

[Renzo Mischianti]

Hi Ludophot,

the creation of generic acknowledge become difficult,

I think you can manage with set a variable like mesArrived with set with the result of millis() when you send a message

and set mesArrived to 0 when acknowledge arrive

and you can set a condition like mesArrived !=0 && mesArrived + interval < millis() if enter in the if raise an error that ack not arrived.

Or something similar.

Bye Renzo

[ludophot]

Thank you !

I thought it was automatic ^^

[Renzo Mischianti]

I had thought about that, but the problem is that I must add an identification that use some byte (58byte is the limit of the packet) to identify the ack of the message and so lost a lot of space.

And the other problem is that when receive message from multiple device, so I must add another id for the device, and lost other space, It’s a problem.

I can’t find a generic solution without use a lot of resources.

Bye Renzo

[Author]

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