nrf52811 custom board - example code

[ashokr.com]

Hi All,

I have designed my custom pcb board for nrf52811. With the Jlink the IC is detected in visual studio code also it gets programmed. But i did not see its working when i use basic bluetooth application (becon), uart etc. kindly help on this , if there is hex file which i can directly flash into my board for confirming Bluetooth operation working. This is very urgent for us to get it done before CES2025.

Thanks

Ashok R 

[Kenneth]

ashokr.com said:

But still the code does not works, kindly help on setting up debug option with jlink for VS code.

Can you try to elaborate a bit more than "does not work". Is the code executing, does the chip seem to start, if you are not using BLE, does the code run then? Maybe go a bit back to start, and just try a hello world sample or blinky project from nRF Connect SDK as-is. If the board have worked up until a certain point, it may also be that the board have been damaged some way, do you have a second board for comparison? Do connect pin reset (P0.21) directly to VDD show any change, what did you do to recover the board?

Kenneth

[ashokr.com]

Hi Kenneth 

I have mention about the example which im using.. "Blinky", Also i mentioned the configuration of ubx_bmd360eval. board. In my custom board LED is connected to P0.18. So i had to edit dts file. but final result is led is not blinking.

[Kenneth]

You need to try to debug this a bit, for instance use the ozone debugger to find where it seems to fail/stop.

Kenneth

[ashokr.com]

Kenneth  I used ozone debugger and downloaded the elf file ,
After i start debugging LED started blinks. It stopped blinking after i end the debug session. I also did power cycle reset but the code does not starts. seems works only after i click start button on ozone debugger.  Any idea?