802.15.4 PHY Layer example

[RedNodeLabs]

Hi,

I could not find any example of the 802.15.4 stack API that talks directly to the PHY Layer, by means of PD-SAP and PLME-SAP, as shown in this picture:

https://github.com/NordicSemiconductor/nRF-IEEE-802.15.4-radio-driver/wiki/Overview

My goal is to send and receive raw data (including generated CRC) over the 802.15.4 radio.

In the documentation I found the following API functions:

- pd_data_req_t

- pd_data_conf_t

- pd_data_ind_t

But unfortunately it is not clear to me how to build / link / use them.

Could someone provide me more information about that?

Thanks in advance!

Javier

[Einar Thorsrud]

Hi,

The lowest level example in the SDK is the Wireless UART Example, which uses the IEEE 802.15.4 MAC library. This includes the types you refer to, which are in the PHY Data API. The higher-level libraries in the SDK are precompiled, so there is no example demonstrating its use. Note that the MAC library supports all features in IEEE 802.15.4, so there should not be any need to go further down regardless of what you are making.

[RedNodeLabs]

Hi,

I think, using the 802.15.4 MAC library you provide precompiled, there is no way to send raw data in a frame. I mean: without including a MAC header, MAC sequence number and addresses. Is that right?

I was also trying to send a 802.15.4 MAC frame, with no destination and source address (address mode = MAC_ADDR_NONE) and the transaction is not carried out.

How can I send/receive raw data with 802.15.4 PHY frames? or what is the best way?

Thank you for your support.

[Einar Thorsrud]

Hi,

In that case where you want full flexibility, you have to use the RADIO peripheral directly. We do not have any examples that demonstrate it, but you should find most of the relevant information in the RADIO chapter in the product specification.