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ncs180_ok.txt

ncs190_ng.txt

Nordic Case Info

Case ID: 285183

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nRF5 SDK is not maintained anymore
More Info: Consider nRF Connect SDK for new designs

[ncs 1.9.0] Hard fault occurred if phone sent packet to NRF5340.

user2878 over 4 years ago

Hi Nordic team

I tried ncs 1.9.0 peripheral_uart sample (\TOOLCHAIN\v1.9.0\nrf\samples\bluetooth\peripheral_uart) at PCA10095 v1.0.0 DK.

1. Application core: Board is nrf5340dk_nrf5340_cpuapp_ns. Flash peripheral_uart sample.

2. Network core: Board is nrf5340dk_nrf5340_cpunet. Flash RPMsg sample.

3. NRF Connect for mobile app at Samsung s52 smart phone.

=> Advertising was ok. Phone can connect DK. Phone can send packet to DK normally.

=> But, as I tried DK sent packet to phone. RTT low showed "hard fault" and DK rebooted.

Then, I went back to ncs 1.8.0 peripheral_uart and RPMsg samples at same DK. Everything was same except firmware.

I found DK can sent packet to phone without problem as ncs 1.9.0.

Cloud you double check this issue? I didn't modify Kconfig/prj.conf or source code.

Thanks.

0 user81283 over 4 years ago

Hi,

I'll look into this issue with the nRF Connect for mobile app. Do you see similar issues when using "UART" in the nRF Toolbox app?

In the "UART" you can swipe to the right to bring up a log, and where it says "write a command" you can just type something to send to the board.
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0 user2878 over 4 years ago

Hi

Same. It got same issue at nRF Toolbox/UART.

This issue was when the board sent uart data to phone. Data can be received at the app but it disconnected immediately after that.

Then, you can see "Hard Fault" information in log.

As to "write a command" to the board, it is ok without problem.

Please help me double check it. Thanks.
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0 user81283 over 4 years ago in reply to user2878

Ok, the "UART" in nRF Toolbox seemed to work without issues for me yesterday, but now I got a hard fault after sending data successfully both ways multiple times.

Thank you for letting us know, I'll investigate and make an internal report.

I'll update you when I know more.
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0 user2878 over 4 years ago in reply to user81283

Hi

Thanks.If any update, please let me know.

Thanks.

Jeffery
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