diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/bootloader/dfu/nrf_dfu_settings_svci.c')
-rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/bootloader/dfu/nrf_dfu_settings_svci.c | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/bootloader/dfu/nrf_dfu_settings_svci.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/bootloader/dfu/nrf_dfu_settings_svci.c new file mode 100644 index 0000000..41deb9e --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/bootloader/dfu/nrf_dfu_settings_svci.c @@ -0,0 +1,185 @@ +/** + * Copyright (c) 2017 - 2018, 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 + |