BLE specification

RE: BLE specification

FormerMember — Wed, 30 Apr 2014 10:10:21 GMT

Yes, the link-level acknowledgements can be seen in the packet sniffer software provided by Nordic Semi. You can see a preview of it in figure 5 in the nrf Sniffer User Guide 1.1 in the columns of SN and NESN.

RE: BLE specification

sherin — Wed, 30 Apr 2014 05:08:47 GMT

I understand that notifications are link level ack-ed. But can I see this ack when i just have a DSO? I am able to see the packet transmissions.

Can I see this link level ack in a packet capture using sniffer?

RE: BLE specification

sherin — Tue, 29 Apr 2014 06:18:23 GMT

Tx Prithvi.

RE: BLE specification

FormerMember — Mon, 28 Apr 2014 15:05:08 GMT

Here's a page from 'Bluetooth Low Energy The Developer's Handbook' which explains why short packets are used. Amazing book to get started. I am guessing that the reason for the min connection interval of 7.5 ms is also the same i.e to prevent the chip from heating up, reducing the overall power consumption and enabling the use of button/coin cells. Hope this helps. Prithvi

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