NRF52832 NUS multirole Test

[cjb21]

[Edvin]

I see from the event log that you have replied, edited something and deleted a reply. Also I noticed that the original ticket text is gone. I am not sure whether this was on purpose or not, but just as you know, I can't see anything more in this ticket now, and consider it closed until you update it or reply. 

NB: We can only see that something is edited, and not what the edit actually was, so the best is to reply instead of editing existing replies.

Best regards,

Edvin

[cjb21]

Hi. Long time no see.  

Thanks to you,

we have confirmed the connection between the < ble_app_lbs_nus_its_multi_role> example and

<ble_app_lbs_nus> examples.  

I would like to ask another issue.

I connect the < ble_app_lbs_nus_its_multi_role> example to a mobile phone (nrf toolbox / ios) and the data entered in the uart terminal does not reach the mobile phone (nrf toolbox / ios).

Connecting the example to a mobile phone (nrf toolbox / ios) and entering data into the uart terminal is successfully sent.

A. Example <ble_app_lbs_nus_its_multi_role> and the Mobile Connection Screen

<UART>

(Tx "DATA SEND")

<NRF TOOLBOX(ios)>

not reveive 

B. Example <ble_app_lbs_nus> and the Mobile Connection Screen

(Tx "DATA SEND")

<NRF TOOLBOX(ios)>

reveived "data send"

as above I wonder why the ble_app_lbs_nus_its_multi_role example doesn't work.

Below is the project file I used.

I used sdk 15.3

nrf5-ble-multiple-role-example-master.zip

Thank you. Please.

[Edvin]

In the case where it doesn't work, what does ble_nus_data_send() return?

[cjb21]

Hi

A. <ble_app_lbs_nus_its_multi_role> example  

Returns 5

B. <ble_app_lbs_nus> example >   [Normal operation example]

Returns 0

[Edvin]

As long as it doesn't return 0, the message is not sent.

Can you check where in ble_nus_data_send it returns 5? 5 = NRF_ERROR_NOT_FOUND. It should be in ble_nus.c. Either it is 

    if ((conn_handle == BLE_CONN_HANDLE_INVALID) || (p_client == NULL))
    {
        return NRF_ERROR_NOT_FOUND;
    }

or the softdevice call:

return sd_ble_gatts_hvx(conn_handle, &hvx_params);

It may be easiest to debug and set breakpoints to figure out which one it is, since NRF_LOG is not enabled by default. Alternatively you can enable it by setting BLE_NUS_CONFIG_LOG_ENABLED to 1 in sdk_config.h to be able to use NRF_LOG_INFO in ble_nus.c.

It is a bit tricky to port the ble_app_uart example to support multiple connections. You have to handle all your connection handles correctly. I suggest you take a look in the ble_app_multiperipheral example in SDK\examples\ble_peripheral\experimental\ble_app_multiperipheral.

Especially in the on_connected() funtion in main, where nrf_ble_qwr_conn_handle_assign() is called in this example. The conn handles is an array. It should be the same in your example. You can also see how it uses the connection handle in led_status_send_to_all().

Best regards,

Edvin