
Chengdu Ebyte Electronic Technology Co., Ltd.
E104-BT5040U Datasheet
Copyright©2020, Chengdu Ebyte Electronic Technology Co., Ltd.
//
NRF_LOG_DEBUG("Public Key:");
//
NRF_LOG_HEXDUMP_DEBUG(pk, sizeof(pk));
//
NRF_LOG_FLUSH();
//
//
return NRF_DFU_RES_CODE_INVALID_OBJECT;
//
}
4.4 DFU Guide
There are many ways to use DFU, such as upgrading through APP, UART upgrading, etc. Here we only introduce how to use
E104-BT5040U and nrf connect.
The version of nrf connect in the document is V3.3.1. Start the nrf connect software, as shown in the figure below:
Take the first item as an example (Bluetooth Low Energy). Select "Open" to display the interface as shown in the figure below, and
select "Launch anyway". Start the Bluetooth Low Energy APP.
Select the virtual serial port corresponding to E104-BT5040U.