Image transfer demo downloading

[robertz]

Hello,

I am trying to get the image transfer demo (https://github.com/NordicPlayground/nrf52-ble-image-transfer-demo) working on the nRF52, but I cannot find any examples folder on my computer. I found this post that has basically the same issue from a few years back, and they were directed to download the NRF5 sdk and given this folder path:

C:\\\\\nRF5_SDK_14.2.0_17b948a\nRF5_SDK_14.2.0_17b948a\examples\ble_peripheral\ble_app_blinky\pca10040e\s112\ses.

As far as I know, the nRF5 SDK is obsolete in favor of using the nRF connect SDK which I am currently using version 2.4.2. Currently I'm pretty sure my SDK folder is located at: C:\ncs\v2.4.2\nrf but I'm not able to find any sort of examples folder anywhere.

I've also started the fundamentals course in the DevAcademy and tried cloning the repo in the C:\nordic\myapps folder it has you setup, but I got an error when trying to open the folder in VScode which makes me think that this is the wrong way to go about this:

The directory "c:\nordic\myapps\nrf52-ble-image-transfer-demo" does not contain an application source.

Any help is greatly appreciated. Thanks!

[dejans]

Hi,

Looking at the Readme file, it seems that BLE Image Transfer Demo is made for nRF5 and not for nRF Connect SDK. In addition to this nRF5 application, there is also Android Image Transfer Demo application.

Regarding the examples for nRF Connect SDK, they can be found in <your_ncs_folder>\<your_ncs_version>\nrf\applications and <your_ncs_folder>\<your_ncs_version>\nrf\samples.

If you have installed nRF Connect extension for VS Code, to create/open your application you can open VS Code, click on nRF Connect extension, and press "Create a new application" or "Open an existing application".

Best regards,
Dejan

[robertz]

Thanks for the quick reply,

I'm running nRF5_SDK_17.1.0_ddde560 now on SES V5.42a. I got one of the existing sample codes to build and upload correctly to my device, but when I tried to build the image-demo I got an error. Can you answer it here or should I open a new ticket?

The error message is as shown:

Output/Debug/Obj/image_transfer_demo_pca10040_s132/ses_startup_nrf_common.o: in function `InitializeUserMemorySections':

I've tried cleaning/rebuilding as advised in similar posts, but it didn't help.

Thanks again,

Robert

[dejans]

Hi Robert,

You could try with nRF5 SDK v16.0.0 as mentioned in Readme requirements. 

Best regards,
Dejan

[robertz]

I changed my SDK version and got everything to build/run correctly, but my phone is not able to detect the bluetooth device. I tried some other sample code and everything showed up correctly, but for some reason the image transfer doesn't work. I also tried to upload to both a nRF52 and nRF52840 dk but neither was able to connect to my phone.

[dejans]

Hi,

Which phone do you use? Which application do you use on your phone?

Please note that I will be out of the office until Tuesday. I will get back to you during next week.

Best regards,
Dejan

[robertz]

I have continued the thread here. I felt that this ticket had  strayed too far from its original issue:

devzone.nordicsemi.com/.../unable-to-detect-ble-output-from-nrf52-dk

[dejans]

Hi,

I see that you have opened a new ticket. Thank you for the update.

Best regards,
Dejan