CC2533: RemoTI 1.4.0 NPI Max Nwk Discovery Request results

Hi,

You can set number of pairing entries, up to 20, in precompiler options:

RCN_CAP_PAIR_TABLE_SIZE=20

Note that this will require more RAM, and may not be compatible with your application. You may also be required to use CC2533F96 which has most memory of the CC25xx devices.

You should also consider RemoTI-2.0.1 and the CC2620. It is actually a perfect fit with 20KiB RAM, and even more flash. Not to mention much lower current consumption, and an autonomous Sensor Controller Engine.

Hi Torbjorn,

Will increasing the pairing table size increase the max discovery results?

We are using the CC2533F96, but we're not in a position to change to cc2620

Thanks,
Red

Hi Red,

RemoTI-1.4.0 implements the ZRC2.0 profile. In this case the GDP layer handles the Discovery Requests. This is unlike ZRC which utilized the auto-discovery mode in the network layer. For ZRC2.0 there are no limitations to the number of nodes that can be discovered. They all are, and they are added to a list that is dynamically allocated, then ranked. If you increase the number of pairing entries, you may run into issues of memory allocation failure. This may limit, for example, the number of nodes you can effectively discover.

Hi Torbjorn,

We've tried changing the line RCN_CAP_PAIR_TABLE_SIZE=16, nothing changed, RCN discovery still only returns 10 discovery events before ending with discovery cnf.

But rereading your last post, are you saying reducing the pairing table (to say 6) will increase the number of nodes that can be discovered?

Thanks,
Red.