Hello world example nrf52833 using uart1 rebooting problem

[suads]

Hello, I'm new to zephyr

I have a custom board nrf52833 (BM833E module), I'm using zepyhr to build the hello world example to use uart1. I have created nrf52833dk_nrf52833.overlay and set pins 34 and 33 for tx and rx in my project directory.

&uart1 {
status = "okay";
current-speed = <115200>;
rx-pin = <33>;
tx-pin = <34>;
};

/{
chosen{
zephyr,console = &uart1;
};
};

I build and flash the example, but the mcu reboots every few seconds. I have also tried to add CONFIG_PRINTK=y in prj.conf

Here is the output:

Hello World!
Hello World!
Hello World!
Hello World!
Hello World!
␀*** Booting Zephyr OS build zephyr-v2.6.0-4401-g7b21050f1996 ***

Hello World!
Hello World!
Hello World!
Hello World!
Hello World!
␀*** Booting Zephyr OS build zephyr-v2.6.0-4401-g7b21050f1996 ***

Hello World!
Hello World!
Hello World!
Hello World!
Hello World!
␀*** Booting Zephyr OS build zephyr-v2.6.0-4401-g7b21050f1996 ***

[SwRa]

Hi,

Really sorry for the late response. I will test this and get back to you tomorrow.

Regards,

Swathy

[SwRa]

Hi,

You could try setting CONFIG_REBOOT=n in prj.conf. Also, did you modify the code in the hello_world example.? If you did, could you share the code with me.

Regards,

Swathy

[suads]

Hi

I just added a loop, also tried CONFIG_REBOOT=n same issue.

Here is main.c:

#include <zephyr.h>
#include <sys/printk.h>

void main(void)
{
    for(;;)
    {
        printk("Hello World! \n");
    }
}

Edit: I've just got a nrf52833 develpment kit and it is working on the development kit. But wont work with BM833E module.