multilink example in nrf52810

RE: multilink example in nrf52810

ovrebekk — Tue, 19 Oct 2021 08:24:51 GMT

Hi Naren

You are saying that connecting to exactly the same 1 central and 1 peripheral doesn't work when you increase the central link count to 2?

Did you make sure to also increase the total link configuration?

Best regards
Torbjørn

RE: multilink example in nrf52810

narendar — Mon, 18 Oct 2021 11:56:25 GMT

Hi Torbjørn ,

Thanks for reply,

I am setting to NRF_SDH_BLE_CENTRAL_LINK_COUNT=1 ,it is working fine for ( 1 central and 1 peripheral )connection is fine(data also sending),but i am changed to NRF_SDH_BLE_CENTRAL_LINK_COUNT=2 for (1 central and 1 peripheral) it gets fatal error like these

0> <info> app: scan_start
0> <info> app: Connecting to target C2:DF:94:57:17:D1
0> <info> app: p_ble_evt->evt.gap_evt.conn_handle : 0
0> <info> app: scan_start ret:0
0>
0> <info> app: scan_start
0> <info> app: Discovery complete.
0> <info> app: Connected to device with Nordic UART Service.
0> <info> app: Active Connection = 1
0> <info> app: scan_start ret:8
0>
0> <info> app: scan_start
0> <error> app: Fatal error
0>

Here error gets NRF_ERROR_INVALID_STATE whenever NRF_SDH_BLE_CENTRAL_LINK_COUNT incremented.

I am also sent sdk_config.h also in previous post.

Thanks & Regards,

naren

RE: multilink example in nrf52810

ovrebekk — Mon, 18 Oct 2021 10:53:46 GMT

Hi Naren

Thanks for the clarification.

The nRF52810 should be able to do this, but you will have very limited memory left over for application code.

I tried to build the ble_app_multilink_central example in the nRF5 SDK with only 2 central links enabled, and it ends up using 182kB of flash and 23.4kB of RAM, which is very close to the limit of what you have available on the nRF52810.

Best regards
Torbjørn

RE: multilink example in nrf52810

narendar — Fri, 15 Oct 2021 03:23:34 GMT

HI Torbjørn ,

Torbjørn said:

I am not quite sure I understand the question. Do you want to connect to one central device and two peripheral devices from your BT832AF module?

Yes,I am trying to connect one central device connecting to two perphirals at a time.

Bt832AF modules support nrf52810 only,

https://www.fanstel.com/bt832a-nrf52810-bluetooth-5-module

Thanks & Regards,

Naren

RE: multilink example in nrf52810

ovrebekk — Thu, 14 Oct 2021 15:13:44 GMT

Hi Naren

The BT832AF modules use the nRF52832 I assume, not the nRF52810?

[quote user="narendar"]Is it any possibilities to 1 central with two peripherals only?[/quote]

I am not quite sure I understand the question. Do you want to connect to one central device and two peripheral devices from your BT832AF module?

With the S132 SoftDevice this is possible, but it would be nice to get a confirmation on exactly what you are trying to do.

Best regards
Torbjørn

RE: multilink example in nrf52810

narendar — Wed, 13 Oct 2021 05:11:37 GMT

Hi Torbjørn,

devzone.nordicsemi.com/.../0131.sdk_5F00_config.h

RE: multilink example in nrf52810

ovrebekk — Mon, 11 Oct 2021 14:19:39 GMT

Hi Naren

Are you able to share your sdk_config.h file with me so I can take a look at all the configuration settings?

Have you considered using a more up to date SDK than SDK v14?

Best regards
Torbjørn

RE: multilink example in nrf52810

narendar — Sat, 09 Oct 2021 15:34:10 GMT

WE are already buyed BT832AF Modules

Is it any possibilities to 1 central with two peripherals only?

If It is any possibilities, please guide me

Best Regards,

Naren

RE: multilink example in nrf52810

narendar — Sat, 09 Oct 2021 15:21:36 GMT

Thanks for reply,

Here error gets NRF_ERROR_INVALID_STATE whenever NRF_SDH_BLE_CENTRAL_LINK_COUNT incremented.

RE: multilink example in nrf52810

ovrebekk — Fri, 08 Oct 2021 14:12:27 GMT

Hi Naren

As mentioned here the S112 supports peripheral links only, so you can not be in the central state.

It is possible to run the S132 SoftDevice on the nRF52810 in order to implement central functionality, but please keep in mind that running multilink applications require quite a lot of memory (both flash and RAM), so the nRF52810 might not be the best fit for this.

Best regards
Torbjørn