nrf52840 usb_msc demo fatfs error

Hi,

I use usb_msc in nRF5_SDK_15.3.0_59ac345 use case, format file system and create folder and its subfolder test, found that segger development environment compiled programs, format file system, create subfolders appear garbled;

Using the program compiled by KEIL development environment, after formatting the file system, it is normal to create subfolders;

At present, the project development is close to the end, we hope to continue to use Segger to complete the development work; Segger version v4.12, v4.30, v4.53 are all in disorder; see the appendix for the test program; development board pca10056;

1. Test procedure

nRF5_SDK_15.3.0_59ac345.rar

2. Problem phenomenon

 1) First level folder:

First level folder

 2) Secondary folder created by keil program normally

 3) Secondary folder created by segger program error

3. Test method

  1) Burning the program compiled by Keil

     1> Unplug USB and press button3 to format the file system

     2> Press button1 to create folders and subfolders

     3> Plug in USB to check whether the subfolder is normal

    4> This is the. Hex compiled by me with keil. It is convenient for you to reproduce the problem quickly

         nrf52840_xxaa.hex

  2) Burning the program compiled by Segger

      Note: after burning, power off the j-link, USB and development board once, and then carry out the following steps;

     1> Unplug USB and press button3 to format the file system

     2> Press button1 to create folders and subfolders

     3> Plug in USB to check whether the subfolder is error

   4> This is the. Hex compiled by me with segger. It is convenient for you to reproduce the problem quickly

    usbd_msc_pca10056.hex

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