/** * Copyright (c) 2016 - 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 "nrf_dfu.h" #include "nrf_dfu_utils.h" #include "nrf_dfu_transport.h" #include "nrf_dfu_req_handler.h" #include "nrf_log.h" static nrf_dfu_observer_t m_user_observer; //<! Observer callback set by the user. /** * @brief This function calls the user's observer (@ref m_observer) after it is done handling the event. */ static void dfu_observer(nrf_dfu_evt_type_t event) { switch (event) { case NRF_DFU_EVT_DFU_COMPLETED: case NRF_DFU_EVT_DFU_ABORTED: #ifndef NRF_DFU_NO_TRANSPORT UNUSED_RETURN_VALUE(nrf_dfu_transports_close(NULL)); #endif break; default: break; } /* Call user's observer if present. */ if (m_user_observer) { m_user_observer(event); } } uint32_t nrf_dfu_init(nrf_dfu_observer_t observer) { uint32_t ret_val; m_user_observer = observer; NRF_LOG_INFO("Entering DFU mode."); dfu_observer(NRF_DFU_EVT_DFU_INITIALIZED); // Initializing transports ret_val = nrf_dfu_transports_init(dfu_observer); if (ret_val != NRF_SUCCESS) { NRF_LOG_ERROR("Could not initalize DFU transport: 0x%08x", ret_val); return ret_val; } ret_val = nrf_dfu_req_handler_init(dfu_observer); return ret_val; }