/** * 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. 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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 #include #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) //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