HOW TO DEBUG NRF52832 USING MINICOM ON UBUNTU(/dev/ttyACM0)

[JAGADEESH DADI]

hai, i am using sdk-v-12.3.0 for nrf52832-pca10040,

I connected the SOC to PC using Daplink.Now,i want to just print "hello world " on the /dev/ttyACM0.could any one please assist me.

[Håkon Alseth]

Hi,

 

Your user must be in the dialout group in order to access the ttyACM* device:

sudo usermod -a -G dialout <username>

After this, you must reboot.

 

If it still does not work, please check the uart pin out of the project that you've flashed onto the device matches the required pin-out for your DAPLink.

 

Cheers,

Håkon

[JAGADEESH DADI]

I went with your suggestions,but no luck.could you please post any working UART HEX file and a  softdevice

[Håkon Alseth]

If you are using the nRF52-DK, then you can load the SDK example peripheral/uart, and it shall output "Start:" at the beginning.

Try the reset the board and see if the string appears again.

I haven't used minicom before, but make sure that you set the correct baud, 115k2, then open the ttyACMx.

Putty or screen ("screen /dev/ttyACMx 115200") can also be used to open the serial port.

 

Best regards,

Håkon

[JAGADEESH DADI]

Is it fine if i just compile and flash or i need to modify any configurations related to UART in "main.c" or "Sdk_config.h" files before compilation?

[Håkon Alseth]

The project is setup with the UART pins corresponding to the nRF52-DK. If you are testing with the nRF52-DK, then you can compile and flash as-is.