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- /**
- * Copyright (c) 2017 - 2020, Nordic Semiconductor ASA
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form, except as embedded into a Nordic
- * Semiconductor ASA integrated circuit in a product or a software update for
- * such product, must reproduce the above copyright notice, this list of
- * conditions and the following disclaimer in the documentation and/or other
- * materials provided with the distribution.
- *
- * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
- * contributors may be used to endorse or promote products derived from this
- * software without specific prior written permission.
- *
- * 4. This software, with or without modification, must only be used with a
- * Nordic Semiconductor ASA integrated circuit.
- *
- * 5. Any software provided in binary form under this license must not be reverse
- * engineered, decompiled, modified and/or disassembled.
- *
- * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
- * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
- * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
- #include <stddef.h>
- #include <string.h>
- #include "app_error.h"
- #include "sdk_macros.h"
- #include "nrf_dfu_settings.h"
- #include "nrf_nvmc.h"
- #include "crc32.h"
- #define NRF_LOG_MODULE_NAME nrf_dfu_settings_svci
- #include "nrf_log.h"
- NRF_LOG_MODULE_REGISTER();
- #define DFU_SETTINGS_PEER_DATA_OFFSET offsetof(nrf_dfu_settings_t, peer_data) //<! Offset in the settings struct where the additional peer data is located.
- #define DFU_SETTINGS_ADV_NAME_OFFSET offsetof(nrf_dfu_settings_t, adv_name) //<! Offset in the settings struct where the additional advertisement name is located.
- extern nrf_dfu_settings_t s_dfu_settings;
- extern uint8_t m_dfu_settings_buffer[CODE_PAGE_SIZE];
- #if defined(NRF_DFU_BLE_REQUIRES_BONDS) && (NRF_DFU_BLE_REQUIRES_BONDS == 1)
- ret_code_t nrf_dfu_settings_peer_data_write(nrf_dfu_peer_data_t * p_data)
- {
- uint32_t ret_val;
- uint32_t * p_peer_data_settings =
- (uint32_t*) &m_dfu_settings_buffer[DFU_SETTINGS_PEER_DATA_OFFSET];
- uint32_t crc = (uint32_t)*p_peer_data_settings;
- VERIFY_PARAM_NOT_NULL(p_data);
- if (crc != 0xFFFFFFFF)
- {
- // Already written to, must be cleared out
- // Reset required.
- return NRF_ERROR_INVALID_STATE;
- }
- // Calculate the CRC for the structure excluding the CRC value itself.
- p_data->crc = crc32_compute((uint8_t*)p_data + 4, sizeof(nrf_dfu_peer_data_t) - 4, NULL);
- // Using SoftDevice call since this function cannot use static memory.
- ret_val = sd_flash_write(p_peer_data_settings,
- (uint32_t*)p_data,
- sizeof(nrf_dfu_peer_data_t)/4);
- return ret_val;
- }
- ret_code_t nrf_dfu_settings_peer_data_copy(nrf_dfu_peer_data_t * p_data)
- {
- VERIFY_PARAM_NOT_NULL(p_data);
- memcpy(p_data, &m_dfu_settings_buffer[DFU_SETTINGS_PEER_DATA_OFFSET], sizeof(nrf_dfu_peer_data_t));
- return NRF_SUCCESS;
- }
- bool nrf_dfu_settings_peer_data_is_valid(void)
- {
- nrf_dfu_peer_data_t * p_peer_data =
- (nrf_dfu_peer_data_t*) &m_dfu_settings_buffer[DFU_SETTINGS_PEER_DATA_OFFSET];
- // Calculate the CRC for the structure excluding the CRC value itself.
- uint32_t crc = crc32_compute((uint8_t*)p_peer_data + 4, sizeof(nrf_dfu_peer_data_t) - 4, NULL);
- return (p_peer_data->crc == crc);
- }
- #else // not NRF_DFU_BLE_REQUIRES_BONDS
- ret_code_t nrf_dfu_settings_adv_name_write(nrf_dfu_adv_name_t * p_adv_name)
- {
- uint32_t ret_val;
- uint32_t * p_adv_name_settings =
- (uint32_t*) &m_dfu_settings_buffer[DFU_SETTINGS_ADV_NAME_OFFSET];
- uint32_t crc = (uint32_t)*p_adv_name_settings;
- VERIFY_PARAM_NOT_NULL(p_adv_name);
- if (crc != 0xFFFFFFFF)
- {
- // Already written to, must be cleared out.
- // Reset required
- return NRF_ERROR_INVALID_STATE;
- }
- // Calculate the CRC for the structure excluding the CRC value itself.
- p_adv_name->crc = crc32_compute((uint8_t *)p_adv_name + 4, sizeof(nrf_dfu_adv_name_t) - 4, NULL);
- // Using SoftDevice call since this function cannot use static memory.
- ret_val = sd_flash_write(p_adv_name_settings,
- (uint32_t*) p_adv_name,
- sizeof(nrf_dfu_adv_name_t)/4);
- return ret_val;
- }
- ret_code_t nrf_dfu_settings_adv_name_copy(nrf_dfu_adv_name_t * p_adv_name)
- {
- VERIFY_PARAM_NOT_NULL(p_adv_name);
- memcpy(p_adv_name, &m_dfu_settings_buffer[DFU_SETTINGS_ADV_NAME_OFFSET], sizeof(nrf_dfu_adv_name_t));
- return NRF_SUCCESS;
- }
- bool nrf_dfu_settings_adv_name_is_valid(void)
- {
- nrf_dfu_adv_name_t * p_adv_name =
- (nrf_dfu_adv_name_t*)&m_dfu_settings_buffer[DFU_SETTINGS_ADV_NAME_OFFSET];
- // Calculate the CRC for the structure excluding the CRC value itself.
- uint32_t crc = crc32_compute((uint8_t*)p_adv_name + 4, sizeof(nrf_dfu_adv_name_t) - 4, NULL);
- return (p_adv_name->crc == crc);
- }
- #endif
- //lint -save -e(14)
- ret_code_t nrf_dfu_settings_additional_erase(void)
- {
- ret_code_t ret_code = NRF_SUCCESS;
-
- // Check CRC for both types.
- if ( (s_dfu_settings.peer_data.crc != 0xFFFFFFFF)
- || (s_dfu_settings.adv_name.crc != 0xFFFFFFFF))
- {
- NRF_LOG_DEBUG("Erasing settings page additional data.");
- // Erasing and resetting the settings page without the peer data/adv data
- nrf_nvmc_page_erase(BOOTLOADER_SETTINGS_ADDRESS);
- nrf_nvmc_write_words(BOOTLOADER_SETTINGS_ADDRESS, (uint32_t const *)&s_dfu_settings, DFU_SETTINGS_PEER_DATA_OFFSET / 4);
- }
- return ret_code;
- }
- //lint -restore
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