nRF5340 DK BLE code crashing while integration.

RE: nRF5340 DK BLE code crashing while integration.

Sigurd — Fri, 14 Mar 2025 10:04:41 GMT

Hi!

[quote user="REDHAT"]I am using 3 UARTs and I2C. [/quote][quote user="REDHAT"]Do I need to keep UART0 exclusively for logs in both the Application and Network Core? If I change this configuration, could it be causing the problem? Also, I am using only one pin for LOG TX.[/quote]

Network core: There is only UART0, there is no UART1

App core: Have UART0,UART1,UART2,UART3

If you are using UART0, UART1, UART2 (3x UART), then for I2C you should use i2c3. (since UARTx shares instance with I2Cx, ref https://docs.nordicsemi.com/bundle/ps_nrf5340/page/chapters/memory/appmem.html )

RE: nRF5340 DK BLE code crashing while integration.

REDHAT — Thu, 06 Mar 2025 11:48:04 GMT

I am using 3 UARTs and I2C.

I would like to understand the relationship between BLE and UART in this scenario. Are there any specific considerations to ensure smooth operation when using multiple UARTs alongside BLE?

RE: nRF5340 DK BLE code crashing while integration.

REDHAT — Thu, 06 Mar 2025 05:54:49 GMT

Hi waiting for the inputs !!

RE: nRF5340 DK BLE code crashing while integration.

REDHAT — Wed, 05 Mar 2025 04:49:00 GMT

The issue still remains.

Do I need to keep UART0 exclusively for logs in both the Application and Network Core? If I change this configuration, could it be causing the problem? Also, I am using only one pin for LOG TX.

Please let me know if you require any additional details.

RE: nRF5340 DK BLE code crashing while integration.

Sigurd — Tue, 04 Mar 2025 09:34:51 GMT

Maybe check that the correct pins are used for uart0 . If you are not using flow control, and only have RX/TX pin, make sure that flow-control is disabled. e.g. like this in an overlay file:

&uart0 {
     /delete-property/ hw-flow-control;
};

RE: nRF5340 DK BLE code crashing while integration.

REDHAT — Tue, 04 Mar 2025 04:30:37 GMT

Hi kindly provide some inputs.

RE: nRF5340 DK BLE code crashing while integration.

REDHAT — Sat, 01 Mar 2025 09:08:16 GMT

Hi,

I have identified the issue causing the crash. The code crashes whenever I use UART0.

Details:

By default, the UART is set to UART0, but I have changed it to UART2 to view logs.
Now, I am using UART0 for another peripheral.
If UART0 is not enabled, the code runs smoothly.
However, if UART0 is enabled for another peripheral, the code crashes during the bonding process.

 */
 #include "nrf5340_cpuapp_common-pinctrl.dtsi"
 #include <zephyr/dt-bindings/input/input-event-codes.h>
 
 / {
 
	 chosen {
		 zephyr,console = &uart2;
		 zephyr,shell-uart = &uart2;
		 zephyr,uart-mcumgr = &uart2;
		 zephyr,bt-mon-uart = &uart2;
		 zephyr,bt-c2h-uart = &uart2;
		 zephyr,bt-hci-ipc = &ipc0;
		 nordic,802154-spinel-ipc = &ipc0;
		 zephyr,ieee802154 = &ieee802154;
	 };

Kindly help me resolve this issue.

RE: nRF5340 DK BLE code crashing while integration.

Sigurd — Fri, 21 Feb 2025 10:03:43 GMT

Are you able to provide a stripped down example that reproduces this issue?

RE: nRF5340 DK BLE code crashing while integration.

REDHAT — Fri, 21 Feb 2025 09:00:00 GMT

Kindly provide any inputs...

RE: nRF5340 DK BLE code crashing while integration.

REDHAT — Thu, 20 Feb 2025 10:21:11 GMT

Hi,

I am integrating this BLE code with other code, where the logs from the other code run in a separate task. However, I noticed that the logs have stopped printing.

In the NRF Connect application, after entering the key, I see the "Delete bond information" option. At the same time, the controller stops printing logs, and I am unable to perform any other operations (such as button input).

RE: nRF5340 DK BLE code crashing while integration.

Sigurd — Thu, 20 Feb 2025 09:51:42 GMT

Hi!

[quote user="REDHAT"]In the first case, when BLE is initialized outside main(), the logs stop without any error.[/quote]

What makes you think it "crashes" then ?

[quote user="REDHAT"]In the second case, during the bonding process, after entering the BLE-generated passcode, the bonding completes on the application side but not on the controller side.[/quote]

What do you mean by "controller" side? Could you explain this some more?

RE: nRF5340 DK BLE code crashing while integration.

REDHAT — Thu, 20 Feb 2025 09:24:44 GMT

Hi,

I’m wondering if I haven’t properly configured the heap, stack, or something else.

My code is relatively large, but it only occupies 20% of the flash.

Do I need to make any configuration changes?

Or is there anything I can test to identify the issue?

Please help me resolve this!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

RE: nRF5340 DK BLE code crashing while integration.

REDHAT — Thu, 20 Feb 2025 04:34:41 GMT

Hi,

In the first case, when BLE is initialized outside main(), the logs stop without any error.

In the second case, during the bonding process, after entering the BLE-generated passcode, the bonding completes on the application side but not on the controller side. At this point, the logs stop without any error.

RE: nRF5340 DK BLE code crashing while integration.

Sigurd — Wed, 19 Feb 2025 13:31:46 GMT

Hi!

[quote user=""] The code crashes when I try to start BLE outside of main().[/quote][quote user=""]Currently, I have placed the BLE initialization at the beginning of main(), and it starts and advertises successfully. However, the code crashes during the bonding process.[/quote]

So you are seeing 2 different crashes.

Could you post the crash info for this? Any log output, etc that shows this?