owner-nrf52sdk/nRF5_SDK_15.2.0/components/libraries/bootloader/dfu/nrf_dfu_svci.c

/**
 * Copyright (c) 2016 - 2018, Nordic Semiconductor ASA
 *
 * All rights reserved.
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 * Redistribution and use in source and binary forms, with or without modification,
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 * 2. Redistributions in binary form, except as embedded into a Nordic
 *    Semiconductor ASA integrated circuit in a product or a software update for
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 *    contributors may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
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 * 4. This software, with or without modification, must only be used with a
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#include <stdint.h>
#include <stdbool.h>
#include "nrf_log.h"
#include "nrf_sdm.h"
#include "app_util.h"

#define APP_START_ADDR CODE_START


uint32_t nrf_dfu_svci_vector_table_set(void)
{
    uint32_t err_code;

    if (NRF_UICR->NRFFW[0] != 0xFFFFFFFF)
    {
        NRF_LOG_INFO("Setting vector table to bootloader: 0x%08x", NRF_UICR->NRFFW[0]);
        err_code = sd_softdevice_vector_table_base_set(NRF_UICR->NRFFW[0]);
        if (err_code != NRF_SUCCESS)
        {
            NRF_LOG_ERROR("Failed running sd_softdevice_vector_table_base_set");
            return err_code;
        }

        return NRF_SUCCESS;
    }

    NRF_LOG_ERROR("No bootloader was found");
    return NRF_ERROR_NO_MEM;
}


uint32_t nrf_dfu_svci_vector_table_unset(void)
{
    uint32_t err_code;

    NRF_LOG_INFO("Setting vector table to main app: 0x%08x", APP_START_ADDR);
    err_code = sd_softdevice_vector_table_base_set(APP_START_ADDR);
    if (err_code != NRF_SUCCESS)
    {
        NRF_LOG_ERROR("Failed running sd_softdevice_vector_table_base_set");
        return err_code;
    }

    return NRF_SUCCESS;
}