Service discovery at central NR52840

RE: Service discovery at central NR52840

AndreasF — Tue, 30 Oct 2018 13:22:07 GMT

Hi.

As I said, the discovery module should not be initialized, so dont do that if you do that in the main-loop (that means dont call db_discovery_init();).

- Andreas

RE: Service discovery at central NR52840

Prajakta — Tue, 30 Oct 2018 12:03:16 GMT

Is any initialization or declaration need to do in code. as I am using ble_app_gatts central example code.

RE: Service discovery at central NR52840

AndreasF — Tue, 30 Oct 2018 08:55:48 GMT

Hi.

If you look at the message sequence chart in the infocenter for primary service discovery, you can see that discovery is done by using the SoftDevice API sd_ble_gattc_primary_services_discover().

You have to iterate through the discovery like the message sequence chart by using sd_ble_gattc_primary_services_discover(), and you do this by increasing the start_handle giving p_srvc_uuid the vaule NULL.

The discovery module should also not be initialized in order for this to work. You have to do a manual discovery.

- Andreas

RE: Service discovery at central NR52840

Prajakta — Fri, 26 Oct 2018 05:25:33 GMT

1. Which API needs to be used to collect services.

RE: Service discovery at central NR52840

AndreasF — Wed, 24 Oct 2018 12:18:06 GMT

Hi.

1. If you want to print print services you have to collect the services, place them in a buffer, and use for example UART to print them.

2. You can read on our infocenter how you can run the UART examples, and more information on how the code works.

For SDK 15.2, you can read:

Nordic UART Service Client (\examples\ble_central\ble_app_uart_c)

UART/Serial Port Emulation over BLE (\examples\ble_peripheral\ble_app_uart)

- Andreas