RE: nrf21540 and nrf52833 testing

Muhammad Usman — Tue, 28 Mar 2023 11:42:07 GMT

Hi Bendik!

Thank you for the response!

I am working on two different testing scenarios.

1)Radio Test Example with (nrf52833+nrf21540) custom board. Pins are configured according to the design. Here is the

configuration, Sorry last time resolution was bad. I tried to display it in 4 windows

and proj.conf file, sorry CONFIG_FEM is not available as shown in the image

2)peripheral Uart example with nrf21540 FEM with the same configuration as mentioned above. One confusion is that in the first example, I added

-DSHIELD=nrf21540_ek in the Extra Cmake arguments field

but in 2nd example, I didn't, still it compiled successfully.

My custom HW will be available to me in 1-2 days for testing. I will further update you when get some results.

Thanks & Regards,

Muhammad Usman

RE: nrf21540 and nrf52833 testing

Bendik Heiskel — Tue, 28 Mar 2023 08:14:20 GMT

Hi,

The radio test sample needs the config option, CONFIG_FEM, as well.

[quote user=""]

Now my final pinout and .dts file looks like this.

[/quote]

The resolution of the screenshot is too low, it is impossible to read the dts file. Could you provide the dts file in a readable format?

[quote user=""]My question is, are points # 1 and 2 enough to enable nrf21540 FEM and get the amplification? Or should I have to call the APIs for nrf21540 to work?[/quote]

No API calls are needed, when the support for the nRF21540 have been added correctly, the fem will be used by the sample without any need for further modification.

Best regards,

Bendik