Set the transmit power on NRF51822

[Rashmi]

Hi

We are using BL600-SA in our project. I need to configure NRF51822 transmit power so that it is discoverable at particular distance.

I am using softdevice S110 and I tried to set the Tx power using sd_ble_gap_tx_power_set() function, but I did not finding any difference 

in the RSSI value. The API is returning NRF_SUCCESS. I have also tested with softdevice S130, but that is also not working us.

Can anyone please suggest me the way to configure the transmit power level?

Regards,

Rashmi

[Simonr]

Hi

Are you able to test the example in SDK12.3 using SoftDevice S130? You can flash the device either using Keil µvision, IAR, or the nRFConnect for Desktop programmer app. If you can test with that SDK we'll be sure whether the issue is the hardware or software.

I'm not an expert in IAR, but I recommend you do download and install the latest MDK version. 

Btw, what is the current RSSI you see when using the SDK 10 and S110 application, and is it the exact same (within +-2dBm) or does it increase/decrease at all?

Best regards,

Simon

[Rashmi]

Hi Simonr,

I didn't test example with SDK 12.3. Will do it on Monday. If the issue with hardware, then in the other board it should have worked as the module was powered for first time and also flashed for the first time.

The RSSI is exact same and there is no much difference. 

nRF5x_MDK_8_2_0_IAR.msi was in the SDK10 folder when we downloaded from the Nordic website. We will try to install the latest version of MDK file and let you know the result after testing.

Thanks,

Rashmi.