Unknown error in file path problem.

[schosdas]

Hello

I am modifying the example of mpu6050 of sdk v14 in sdk v17.

After build, it is printed that there is no path to the file as shown in the image below.

(The captured picture doesn't look right.)

"Y:Nordic\SDK17.0\nRF5_SDK_17.0.0_9d13099\components\mpu_example\nrf_drv_mpu_twi.c: No such file or directory"

However, the path shown in the error does not contain the file and it is in the other path.

                    

The same error occurs when you delete and add the file again.   Why is there such a problem?

Thank you.

[Karl Ylvisaker]

Hello,

I suspect that your linker does not know that the directory "mpu_example" exists - since it is not a part of the SDK v.17.
Could you make sure that your User included directories contain the path to your nrf_drv_mup_twi files?
You can do this by right clicking on the project file then choose those the COMMON configuration, and clicking Options -> Preprocessor -> User Included Directories.

Best regards,
Karl

[schosdas]

Hello, Karl Ylvisaker.
Thank you for your reply.

The path of the nrf_drv_mpu_twi.c file is as shown in the picture below.

[Karl Ylvisaker]

schosdas said:

Thank you for your reply.

No problem at all, I am happy to help!

schosdas said:

The path of the nrf_drv_mpu_twi.c file is as shown in the picture below.

Yes, but where is the header file, for nrf_drv_mpu_twi?
The User Included Directories should point to the header files.
The source file ( nrf_drv_mpu_twim.c ) should be included in the project by right-clicking on your nRF Drivers project folder, and selecting " Add existing file ".

Best regards,
Karl

[schosdas]

Oh, I was confused for a second.

I used the library here.

https://github.com/Martinsbl/nrf5-mpu-examples

There is no header file for nrf_drv_mpu_twi.c in this library.
I tested it on SDK v14 before what I'm doing now and it worked well.

[Karl Ylvisaker]

schosdas said:

Oh, I was confused for a second.

I used the library here.

https://github.com/Martinsbl/nrf5-mpu-examples

There is no header file for nrf_drv_mpu_twi.c in this library.
I tested it on SDK v14 before what I'm doing now and it worked well.

It seems that the file included in the repository as nrf_drv_mpu.h is a common header file for either nrf_drv_mpu_TWI or _SPI.

I would just like to point out that the respository's main README states:

• All examples are made for SDK 14.2.0. Other SDKs will not work. Download the zip file and extract to "sdk_14.2.0_folder\examples". Or just clone it to the same folder.

In the first bulletpoint of the "How to use" description.
You could of course try to modify or change it, to make it work with newer SDK versions, but I suppose there is a reason for why the author is being explicit here.
Things could have changed in the drivers that the mpu project includes from the SDK, for example.

Best regards,
Karl