Tranfer large data from android to NRF52 devkit

[Giang]

Hi all ,

I have problem . I have 1 NRF52832 dev kit . It connect to STM32 devkit via UART . I want to tranfer firmware of STM32 from smartphone to NRF via BLE , and from NRF52 to STM32 via UART . But I have trouble at how to tranfer firmware of STM32 from smart phone to NRF52832 dev kit . Have any software as nrf_uart allow tranfer file hex from smart phone to NRF ? Thank all . 

[Mttrinh]

Hi,

I suggest you to take a look at our DFU example. You might need to modify it to collect the image in memory and send it out instead of performing a DFU on the nordic chip. Also have a look at this and this post, they might be able to help you.