Build errors when using FATFS/LittleFS on nrf52840 USB mass storage examplehttps://devzone.nordicsemi.com/f/nordic-q-a/127905/build-errors-when-using-fatfs-littlefs-on-nrf52840-usb-mass-storage-exampleI get this error when i try to use FATFS or LittleFS - RAM works though /Users/admin/mass_1/src/main.c: In function &#39;setup_flash&#39;: /opt/nordic/ncs/v2.9.0/nrf/include/flash_map_pm.h:47:22: error: &#39;PM_storage_partition_ID&#39; undeclared (first use in thisen-USTelligent Community 13Thu, 30 Apr 2026 14:17:37 GMTRE: Build errors when using FATFS/LittleFS on nrf52840 USB mass storage examplehttps://devzone.nordicsemi.com/thread/565758?ContentTypeID=1Thu, 30 Apr 2026 14:17:37 GMT137ad170-7792-4731-bb38-c0d22fbe4515:34874130-a283-4a6f-ac1f-4e734d0d7236Vidar Berg<p>You can use the JESD216 sample do retrieve these parameters from your FLASH IC:&nbsp;<a href="https://docs.nordicsemi.com/bundle/ncs-2.9.3/page/zephyr/samples/drivers/jesd216/README.html">https://docs.nordicsemi.com/bundle/ncs-2.9.3/page/zephyr/samples/drivers/jesd216/README.html</a></p><div style="clear:both;"></div>RE: Build errors when using FATFS/LittleFS on nrf52840 USB mass storage examplehttps://devzone.nordicsemi.com/thread/565696?ContentTypeID=1Wed, 29 Apr 2026 14:37:32 GMT137ad170-7792-4731-bb38-c0d22fbe4515:aeb61674-0ad5-4afc-97a8-66d87c1cb87asneeeiiil<p>yesss i got it working with the 3.3.0 SDK, yet wanted to know how do i define sfdp-bfp for my external flash?</p><div style="clear:both;"></div>RE: Build errors when using FATFS/LittleFS on nrf52840 USB mass storage examplehttps://devzone.nordicsemi.com/thread/565443?ContentTypeID=1Fri, 24 Apr 2026 09:57:57 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d3595899-b859-418b-a754-bc5bf8153e24Vidar Berg<p>Hello,</p> <p>Is it an option to upgrade to SDK v3.3.0? This version does not rely on the partition manager (errors from build log are related to missing PM partitions), but use static Devictree partitions instead:&nbsp;<a href="https://docs.nordicsemi.com/bundle/ncs-latest/page/nrf/releases_and_maturity/migration/migration_partitions.html">https://docs.nordicsemi.com/bundle/ncs-latest/page/nrf/releases_and_maturity/migration/migration_partitions.html</a>. Using partition manager for new projects is not recommended.</p> <p>Best regards,</p> <p>Vidar</p> <p>Similar question:&nbsp;<a href="https://devzone.nordicsemi.com/f/nordic-q-a/116348/usb-mass-storage-sample-application-and-external-spi-flash-memory-device/510635">https://devzone.nordicsemi.com/f/nordic-q-a/116348/usb-mass-storage-sample-application-and-external-spi-flash-memory-device/510635</a></p><div style="clear:both;"></div>