nRF52833 custom board cannot reprogram.

RE: nRF52833 custom board cannot reprogram.

Priyanka — Thu, 06 Oct 2022 11:32:31 GMT

Hi,

Does your custom board have an inductor for the DCDC converter? If you do not have, but you have configured DCDC enabled, then this might be a problem.

-Priyanka

RE: nRF52833 custom board cannot reprogram.

binhla — Tue, 20 Sep 2022 10:34:50 GMT

Dears,

Thank you for your prompt respone.

What is the dk fils you said?

I made the custom folder as guilde in the Board porting guide.

This error already costed me a lot of nrf52833 SOCs.

So now I am very afraid to make any more test if there is no way to recover my nrf52833 or at least a good explant of what is wrong with my custom board files.

Best regards!

RE: nRF52833 custom board cannot reprogram.

Priyanka — Mon, 19 Sep 2022 13:37:58 GMT

Hi,

Maybe this was because you copied the dk files for the custom file. I would suggest you to take a look at the Tutorial for building for a custom board for the nRF Connect SDK.

-Priyanka

RE: nRF52833 custom board cannot reprogram.

binhla — Fri, 16 Sep 2022 10:29:40 GMT

Dears,

Thank you for your promt response.

I am thinking it is not because of the reset pin.

I tried to connect the reset pin with a 10k register to VDD and Gnd. But it is not working.

I do not know how, but the error was becase:

I tried to create a new board. I cloned files in folder ncs\v2.0.0\zephyr\boards\arm\nrf52833dk_nrf52833 into my new folder ncs\v2.0.0\zephyr\boards\arm\nrf52833_vconnex.

My custom board's name is nrf52833_vconnex.

And chose the custom board to build.

I attached the compressed file of the nrf52833_vconnex folder.

Please take a look!

Best regards.

devzone.nordicsemi.com/.../nrf52833_5F00_vconnex.zip

RE: nRF52833 custom board cannot reprogram.

Priyanka — Fri, 16 Sep 2022 09:00:42 GMT

Hi,

I can see that it's complaining about reset pin being high, but isn't pin 18 the reset pin? Have you checked the state of the P0.18 reset pin when programming? Is it high?

-Priyanka

RE: nRF52833 custom board cannot reprogram.

binhla — Thu, 15 Sep 2022 12:36:36 GMT

Dears,

My custom board is not detected.

I have log on J-Flash V7.66a

Application log started
 - J-Flash V7.66a (J-Flash compiled May 19 2022 15:13:50)
 - JLinkARM.dll V7.58b (DLL compiled Nov 16 2021 15:00:10)
Reading flash device list [C:\Program Files (x86)\SEGGER\JLink\ETC/JFlash/Flash.csv] ...
 - List of flash devices read successfully (451 Devices)
Reading MCU device list ...
 - List of MCU devices read successfully (8837 Devices)
Creating new project ...
 - New project created successfully
Connecting ...
 - Connecting via USB to probe/ programmer device 0
 - Probe/ Programmer firmware: J-Link ARM V8 compiled Nov 28 2014 13:44:46
 - Device "NRF52833_XXAA" selected.
 - Target interface speed: 4000 kHz (Fixed)
 - VTarget = 3.261V
 - InitTarget() start
 - InitTarget() end
 - RESET (pin 15) high, but should be low. Please check target hardware.
 - RESET (pin 15) high, but should be low. Please check target hardware.
 - RESET (pin 15) high, but should be low. Please check target hardware.
 - RESET (pin 15) high, but should be low. Please check target hardware.
 - RESET (pin 15) high, but should be low. Please check target hardware.
 - RESET (pin 15) high, but should be low. Please check target hardware.
 - RESET (pin 15) high, but should be low. Please check target hardware.
 - InitTarget() start
 - InitTarget() end
 - RESET (pin 15) high, but should be low. Please check target hardware.
 - ERROR: Failed to connect.
Could not establish a connection to target.

If you need error log from other program, please inform me.

RE: nRF52833 custom board cannot reprogram.

Priyanka — Thu, 15 Sep 2022 10:57:10 GMT

Hi,

Do you get any error log? Is your custom board being detected?

Best Regards,

Priyanka

RE: nRF52833 custom board cannot reprogram.

binhla — Thu, 15 Sep 2022 04:37:21 GMT

Dears,

In my program, CONFIG_GPIO_AS_PINRESET is defined 1.