Hi Ken,

Yes, I did look at that. In my case I have no network controller - only the on board GSM modem. The example uses 6LoWPAN(?) presumably pushing packets to a 6LoWPAN/Ethernet gateway. What would I need to do to push MQTT packets directly through the modem to a broker somewhere?


On 14/04/2019 14:23, Ken Bannister wrote:

Hi Trevor,

Have you looked at the asymcute_mqttsn example in the repository? I have not used it, but 'main.c' in the example includes a UDP endpoint. You also might want to review the PR used to merge it in for any additional discussion.

Ken

On 4/14/19 8:13 AM, Trevor wrote:

I have a custom board, based loosely on a STK3700 (EFM32GG), that has a Telit HE910 modem on board. I need to buffer up remote data from a serial port connected sensor and periodically send that to a FTP server.

What I'd /like/ to do, instead of just simply using AT FTP commands to send the data to a server, is to use this project as an excuse to gain some experience with IOT protocols and processes. Would it be possible to use RIOT for this with MQTT-SN? So, publish the serial data (via a Mosquitto broker) to a subscriber on a local server using the HE910 modem as the transport mechanism. The subscriber could then do something more intelligent than simply store the data to a FTP server. If possible to use riot, what would I need to do to make this work?



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