How to implement CODED_PHY in ble_app_uart in SDK 15.3.0

[Yogeshwaran]

I am working long nrf52840 and trying to implement long range in my project. There were examples in SDK 15.2.0 but i couldn't find any example or post which is related to SDK 15.3.0. I tried my own modification like changing the advertising layer from 1 Mbps to CODED in ble_adverstisement.c file(15.3.0) but after i made the changes my device keep resetting. I did not make any other changes in sdk_config and main. file

p_advertising->adv_params.secondary_phy   = BLE_GAP_PHY_CODED;

this line i added in ble_advertisement_init() function. i don't more what changes need to be done to make it work in coded mode.

[Jimmy Wong]

This demo is mainly to show the long range connection and send the long MTU up to 244 bytes. 

[Yogeshwaran]

i have tried your code but when program is at

err_code = ble_nus_data_send(&m_nus, data_array, &length, m_conn_handle);

the error code is '5' that means NRF_ERROR_NOT_FOUND and how can i solve that?

or can you please kindly do some modification such that peripheral will transmit continuously and central will receive the data?

[AndreasF]

Hi.

I've been on holiday.

When ble_nus_data_send() returns NRF_ERROR_NOT_FOUND it is because the connection handle is wrong or the client context is NULL, you have to fix that.

Best regards,

Andreas