Bluetooth low-energy advertising does not start on a custom board.

[KKIM.6]

I'm trying to make my custom STM32WB55 board.

Recently, I succeed to start programming the STM32WB55VGY6TR but the advertisement of custom Bluetooth low energy does not start.

I tested programming the Nucleo-WB55 board with the same coding and it was successfully coded and advertised custom Bluetooth. So, I can conclude that there is no problem with the code.

I checked what is happening in the microcontroller using USART communication, but there is no wireless firmware version (It was 1.0.0 in the Nucleo-WB55 board) and no message regarding starting advertisements like below.

 

Is there any possible reason it does not work?

My RF structure in the custom board looks like below.

[KKIM.6]

I successfully upgraded the stack of my microcontroller following this video.

https://www.youtube.com/watch?v=1LvfBC_P6eg

Now the wireless version is 1.14.0 but still, the advertisement doesn't start.....

Is there any possible reason?

[KKIM.6]

This problem is solved by my hand.

The firmware for FUS and BLE stack is upgraded using STM32cubeProgrammer and must start "Start wireless Stack".

Following this video: https://www.youtube.com/watch?v=1LvfBC_P6eg&t=4s

Then, the BLE advertisement and wireless connection will work very well.

Thanks to all of you guys.