DISABLE BLE

RE: DISABLE BLE

Wojtek — Thu, 16 Jul 2015 08:15:32 GMT

So, S130 allows more than one packet per connection as Central? (better throughput than S120?!)

edit. According to specification it is only for peripheral role :\ I wonder if there will ever be Nordic chip that will allow receiving more than 1 notification in 7.5ms connection interval.

RE: DISABLE BLE

Ulrich Myhre — Thu, 16 Jul 2015 01:15:38 GMT

S130 has both roles simultaneously without any activation, and this cannot be configured. But it has more buffers available per link than the S120. The S120 has only 1 user buffer available per link in the central role, which is why we allow disabling/enabling a peripheral with more throughput. This is useful for e.g. DFU, and we still keep the memory footprint low. This "feature" might not have been communicated well enough, but it is there nonetheless :)

RE: DISABLE BLE

Susheel Nuguru — Wed, 15 Jul 2015 20:55:20 GMT

Ulrich: is it possible for S120 to initialize soft device as central, do some central activity, disable and inisitalize it as peripheral?

RE: DISABLE BLE

Ulrich Myhre — Wed, 15 Jul 2015 19:47:34 GMT

S120 2.x.x does in fact have both central and peripheral roles, selectable at time of enabling. It is not necessary to do this for S130 as you mention.

RE: DISABLE BLE

Susheel Nuguru — Wed, 15 Jul 2015 16:30:09 GMT

Like Wojtek already answered. Only S130 can be used if you want your device to act as central and peripheral. You do not need to disable S130 softdevice , when done with central, just stop all Central activities and start your peripheral initialization and start advertising. There are examples for this in SDK9.0

RE: DISABLE BLE

Wojtek — Wed, 15 Jul 2015 10:22:02 GMT

I am not user of that softdevice, but check S130 - it supports both: central and peripheral roles.