Stopped by vector catch : nrf52840 (s340 6.1.1)

[Brett]

Hi,

I have looked at a number of posts with respect to this error, but I still could not work out my issue.

Board: nrf52840dk (PCA10056 2.0.1, 2020.37)
SES: 5.50a and 5.34a
SDK: 17.02

Project: Receive Bike Power via ANT+ (with the s340 softdevice), then  transmit some of it back over UART.  This is part of a larger project on the 9160dk and then Thingy91.

All was running great, I had all the ANT+ code working and then got the UART code working, as individual projects.  Then I tried to merge the code - which is when I started to get the Stopped by vector catch issue and could not proceed.  Since then I have rolled back all the changes (or I think I did), but I still get this same issue - and no sure how to proceed.

I have tried the following with no success;
* Installed the new version of SES - 5.50a
* Installed the SDK in a new directory to start fresh - nRF5_SDK_17.0.2_d674dde
* Re-Installed the ANT header files (tired 7.1.1 and 6.1.1)
* cleaned and rebuilt projects from scratch
* Erase All - from nrf connect (to makes sure all is clean)

The examples/peripheral/uart example still works, but it appears anything to do with the softdevice doesnt, as I have tried /examples//ant/ant_message_types/master/pca10056/s340 and examples/ble_peripheral/ble_app_hrs/pca10056/s340.

After loading the new projects, I confirmed they were loaded on the devices, as the memory locations (after reading with nrf connect) were different, when I switched between projects.

I am at a loss as to what to try next - could there be anything cached in SES which is causing some corruption?

regards
-brett

[Susheel Nuguru]

If it was working first with clean example and it if it was working with your UART code and if the problem started to appear only after merging the code, then erase all should take care to flush device memory. Do you have any other chip/kit other than the one that is showing this behavior? I do not think SES can cache as far as i know. Seems like your device might be broken? please test this with another device if you have a spare one?

[Brett]

I have a  52840dongle and a 9160dk - I will see if I can get my code to work on one of them.

The UART code still works on my current 52840dk, its just when I try to use the s340 softdevice it fails.

[Brett]

Is there any application or code that I can run against the board to see if its broken of if my development environment is the problem ?

[Susheel Nuguru]

There are a lot of ANT related examples in the nRF5SDK at the path nRF5_SDK_17.0.2_d674dde\examples\ant. You can quickly flash one of those examples to see if they work as intended.

I Just checked the ANT softdevice spec to see if UART is open to use for the application and it seems like that it is open. So if there is any resource conflict usage with your application and S340, it is atleast not the UART .

[Brett]

I tried /examples//ant/ant_message_types/master/pca10056/s340 as most of the other examples were for the pca10040. This example did the same thing, it flashed to the device fine, but then failed to execute.

If it is a board issue, how do I prove this for an RMA?  Or, can I use this case number to raise another one for a replacement ?

[Susheel Nuguru]

Hi Brett,

I seem to have done something wrong with my initial smoke test but the example you tested is working with ANT_S340 version 7.01 as well as 6.1.1. The main function is starting as it should be. If you have another DK can you please try to quickly test on that?
Are there any other examples that you can run on the DK which is showing this current issue?