conn_ble_user_mem.c 3.6 KB

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  1. /**
  2. * Copyright (c) 2014 - 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 "conn_ble_user_mem.h"
  41. #include "ser_config.h"
  42. #include "nrf_error.h"
  43. #include <stddef.h>
  44. sercon_ble_user_mem_t m_conn_user_mem_table[SER_MAX_CONNECTIONS];
  45. void conn_ble_user_mem_init(void)
  46. {
  47. uint32_t i;
  48. for (i=0; i<SER_MAX_CONNECTIONS; i++ )
  49. {
  50. m_conn_user_mem_table[i].conn_active = 0;
  51. }
  52. }
  53. uint32_t conn_ble_user_mem_context_create(uint32_t *p_index)
  54. {
  55. uint32_t err_code = NRF_ERROR_NO_MEM;
  56. uint32_t i;
  57. for (i=0; i<SER_MAX_CONNECTIONS; i++ )
  58. {
  59. if ( ! m_conn_user_mem_table[i].conn_active )
  60. {
  61. m_conn_user_mem_table[i].conn_active = 1;
  62. m_conn_user_mem_table[i].mem_block.p_mem = m_conn_user_mem_table[i].mem_table;
  63. *p_index = i;
  64. err_code = NRF_SUCCESS;
  65. break;
  66. }
  67. }
  68. return err_code;
  69. }
  70. uint32_t conn_ble_user_mem_context_destroy(uint16_t conn_handle)
  71. {
  72. uint32_t err_code = NRF_ERROR_NOT_FOUND;
  73. uint32_t i;
  74. for (i=0; i<SER_MAX_CONNECTIONS; i++ )
  75. {
  76. if ( m_conn_user_mem_table[i].conn_handle == conn_handle )
  77. {
  78. m_conn_user_mem_table[i].conn_active = 0;
  79. m_conn_user_mem_table[i].mem_block.p_mem = NULL;
  80. err_code = NRF_SUCCESS;
  81. break;
  82. }
  83. }
  84. return err_code;
  85. }
  86. uint32_t conn_ble_user_mem_context_find(uint16_t conn_handle, uint32_t *p_index)
  87. {
  88. uint32_t err_code = NRF_ERROR_NOT_FOUND;
  89. uint32_t i;
  90. for (i=0; i<SER_MAX_CONNECTIONS; i++ )
  91. {
  92. if ( (m_conn_user_mem_table[i].conn_handle == conn_handle) && (m_conn_user_mem_table[i].conn_active == 1) )
  93. {
  94. *p_index = i;
  95. err_code = NRF_SUCCESS;
  96. break;
  97. }
  98. }
  99. return err_code;
  100. }