nrf_dfu.c 3.3 KB

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  1. /**
  2. * Copyright (c) 2016 - 2020, Nordic Semiconductor ASA
  3. *
  4. * All rights reserved.
  5. *
  6. * Redistribution and use in source and binary forms, with or without modification,
  7. * are permitted provided that the following conditions are met:
  8. *
  9. * 1. Redistributions of source code must retain the above copyright notice, this
  10. * list of conditions and the following disclaimer.
  11. *
  12. * 2. Redistributions in binary form, except as embedded into a Nordic
  13. * Semiconductor ASA integrated circuit in a product or a software update for
  14. * such product, must reproduce the above copyright notice, this list of
  15. * conditions and the following disclaimer in the documentation and/or other
  16. * materials provided with the distribution.
  17. *
  18. * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
  19. * contributors may be used to endorse or promote products derived from this
  20. * software without specific prior written permission.
  21. *
  22. * 4. This software, with or without modification, must only be used with a
  23. * Nordic Semiconductor ASA integrated circuit.
  24. *
  25. * 5. Any software provided in binary form under this license must not be reverse
  26. * engineered, decompiled, modified and/or disassembled.
  27. *
  28. * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
  29. * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  30. * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
  31. * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
  32. * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  33. * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  34. * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  35. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  36. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  37. * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  38. *
  39. */
  40. #include "nrf_dfu.h"
  41. #include "nrf_dfu_utils.h"
  42. #include "nrf_dfu_transport.h"
  43. #include "nrf_dfu_req_handler.h"
  44. #include "nrf_log.h"
  45. static nrf_dfu_observer_t m_user_observer; //<! Observer callback set by the user.
  46. /**
  47. * @brief This function calls the user's observer (@ref m_observer) after it is done handling the event.
  48. */
  49. static void dfu_observer(nrf_dfu_evt_type_t event)
  50. {
  51. switch (event)
  52. {
  53. case NRF_DFU_EVT_DFU_COMPLETED:
  54. case NRF_DFU_EVT_DFU_ABORTED:
  55. #ifndef NRF_DFU_NO_TRANSPORT
  56. UNUSED_RETURN_VALUE(nrf_dfu_transports_close(NULL));
  57. #endif
  58. break;
  59. default:
  60. break;
  61. }
  62. /* Call user's observer if present. */
  63. if (m_user_observer)
  64. {
  65. m_user_observer(event);
  66. }
  67. }
  68. uint32_t nrf_dfu_init(nrf_dfu_observer_t observer)
  69. {
  70. uint32_t ret_val;
  71. m_user_observer = observer;
  72. NRF_LOG_INFO("Entering DFU mode.");
  73. dfu_observer(NRF_DFU_EVT_DFU_INITIALIZED);
  74. // Initializing transports
  75. ret_val = nrf_dfu_transports_init(dfu_observer);
  76. if (ret_val != NRF_SUCCESS)
  77. {
  78. NRF_LOG_ERROR("Could not initalize DFU transport: 0x%08x", ret_val);
  79. return ret_val;
  80. }
  81. ret_val = nrf_dfu_req_handler_init(dfu_observer);
  82. return ret_val;
  83. }