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Which procedure for signature

sindrome73 last edited by

I wanted a clarification !! As already mentioned in another of my posts, I'm implementing the signature in my network, I wanted to ask, the procedure I find here described

https://www.mysensors.org/apidocs-beta/group__MySigninggrpPub.html

and the same whether I use MySensors 2.1.1 and MySensors 2.2.0 ???

Or should I use different procedures ??? Thanks 10000
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gohan Mod last edited by

That is what I did, I created the keys on the rpi gateway and added them to the securitypersonalyzer
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"Usually" is the correct term. You can request whatever you want using MQTT, but you need to handle the response manually inside the receive() function. This isn't an automatic internal process like the echo or ack response. void receive(const MyMessage &message) { if (message.getCommand() == C_REQ) { switch (message.getSensor()) { case 10: // Send SSR 1 state break; case 11: // Send SSR 2 state break; case 20: // Send temperature sensor value break; case 40: // Send humidity sensor value break; default: break; } } } Note: It's best to not send a message from within receive() as it can cause all sorts of weird stuff, including recursive loops. Preferably, you'd set a flag and handle everything else in the main loop.
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Welcome @mjchrist! Short answer: Check the return value of send() on the gateway, to see if a message has been successfully delivered an outgoing message (via Ethernet, MQTT, serial). Long answer: What you are referring to as an ACK should really be called echo instead to avoid confusion, because that is really what it does. bool send(MyMessage &msg, bool echo); If you set the echo parameter to true, you ask the destination node to echo the received payload back to the sending node. An echo is only being generated for messages that travel through the MySensors network. For example, if node 42 sends a message to the gateway (so that it can forward it to the controller), the gateway will echo the payload back to node 42. The same is true if the gateway is the sender and node 42 the destination. On the other hand, the boolean return value of send() will tell you that the sending node received an acknowledgment from the next hop. This next hop might be the destination if there's a direct connection between the two nodes, or any node that relays the message further to the destination, like a repeater. In the special case where the gateway sends a message (to the controller, so to speak), the return value of send() isn't the ACK from a MySensors-internal transport (like NRF24), but the confirmation that the message was successfully delivered via the outgoing transport layer which translates the message into a packet, a MQTT topic or string for the serial port. Oh, and by the way, please use isEcho() in favour of isAck(). The latter is misleading (IMHO) and deprecated. It will be removed with MySensors v3. And last but not least, MY_TRANSPORT_WAIT_READY_MS doesn't mean that the node (or gateway in this case) waits for n milliseconds until it starts establishing a connection (for the transceiver (NRF24), to be clear). Instead, it limits the time the node tries to establish a connection to n milliseconds, so that it can continue to work autonomously and do other stuff if it failed to do so.
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@skywatch I do have the resistor in place now, like mentioned it works and still works.

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