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  • Case ID: 285056
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nRF5 SDK is not maintained anymore
More Info: Consider nRF Connect SDK for new designs

Flashing dongle using Visual Studio Code rather than Segger Studio

user112634

The following instructions are for using Segger Embedded Studio to flash the dongle.

https://devzone.nordicsemi.com/guides/short-range-guides/b/getting-started/posts/nrf52840-dongle-programming-tutorial

Step 2: Adjust the linker configuration. Set FLASH_START=0x1000 to place the application right above the MBR. You should also set FLASH_SIZE=0xDF000 to make sure that there is room for the bootloader at the end of the flash. Set RAM_START=0x20000008, as the first 8 bytes are used by the MBR for interrupt forwarding and adjust the size accordingly by setting RAM_SIZE=0x3FFF8.

Any advice on how to do the equivalent in Visual Studio Code?  I don't see any similar CONFIG settings in the prj config file. 

  • 0

    Hi,

    Could you tell me what VS Code version you are using?

    Regards,

    Priyanka

  • 0 in reply to user107729

    Is the partition layout in flash done in a completely different way with Zephyr and Visual Studio ?

    I found this file that seems like it might be defining the flash layout

    fstab-stock.dts

    /*
     * Copyright (c) 2019 Nordic Semiconductor ASA
     *
     * SPDX-License-Identifier: Apache-2.0
     */

    /* Flash partition table compatible with Nordic nRF5 bootloader */

    &flash0 {
        partitions {
            compatible = "fixed-partitions";
            #address-cells = <1>;
            #size-cells = <1>;

            /* MCUboot placed after Nordic MBR.
             * The size of this partition ensures that MCUBoot
             * can be built with CDC ACM support and w/o optimizations.
             */
            boot_partition: partition@1000 {
                label = "mcuboot";
                reg = <0x00001000 0x000f000>;
            };

            slot0_partition: partition@10000 {
                label = "image-0";
                reg = <0x00010000 0x00005e000>;
            };
            slot1_partition: partition@6e000 {
                label = "image-1";
                reg = <0x006e000 0x00005e000>;
            };
            storage_partition: partition@cc000 {
                label = "storage";
                reg = <0x000cc000 0x00004000>;
            };
            scratch_partition: partition@d0000 {
                label = "image-scratch";
                reg = <0x000d0000 0x00010000>;
            };

            /* Nordic nRF5 bootloader <0xe0000 0x1c000>
             *
             * In addition, the last and second last flash pages
             * are used by the nRF5 bootloader and MBR to store settings.
             */
        };
    };
  • 0 in reply to user112634

    Hi Joseph,

    The nRF5 SDK is different from the nRF Connect SDK and VS Code supports the nRF Connect SDK. As mentioned in the Tutorial, 

    -Priyanka

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