uint32_t ble_gatts_evt_rw_authorize_request_t_dec(uint8_t const * const p_buf,
                                                  uint32_t              buf_len,
                                                  uint32_t * const      p_index,
                                                  uint32_t * const      p_ext_len,
                                                  void * const          p_void_struct)
{
    SER_STRUCT_DEC_BEGIN(ble_gatts_evt_rw_authorize_request_t);

    SER_PULL_uint8(&p_struct->type);

    switch (p_struct->type)
    {
        case BLE_GATTS_AUTHORIZE_TYPE_READ:
            SER_PULL_FIELD(&p_struct->request.read, ble_gatts_evt_read_t_dec);
            break;

        case BLE_GATTS_AUTHORIZE_TYPE_WRITE:
            err_code = ble_gatts_evt_write_t_dec(p_buf,
                                                 buf_len,
                                                 p_index,
                                                 p_ext_len,
                                                 &p_struct->request.write);
            SER_ASSERT(err_code == NRF_SUCCESS, err_code);
            break;

        default:
        case BLE_GATTS_AUTHORIZE_TYPE_INVALID:
            return NRF_ERROR_INVALID_DATA;
    }

    SER_STRUCT_ENC_END;
}
uint32_t ble_gatts_evt_hvc_t_dec(uint8_t const * const p_buf,
                                 uint32_t              buf_len,
                                 uint32_t * const      p_index,
                                 void * const          p_void_struct)
{
    SER_STRUCT_DEC_BEGIN(ble_gatts_evt_hvc_t);
    SER_PULL_uint16(&p_struct->handle);
    SER_STRUCT_DEC_END;
}
uint32_t ble_gatts_evt_exchange_mtu_request_t_dec(uint8_t const * const p_buf,
                                                  uint32_t              buf_len,
                                                  uint32_t * const      p_index,
                                                  void * const          p_void_struct)
{
    SER_STRUCT_DEC_BEGIN(ble_gatts_evt_exchange_mtu_request_t);
    SER_PULL_uint16(&p_struct->client_rx_mtu);
    SER_STRUCT_DEC_END;
}
uint32_t ble_gatt_conn_cfg_t_dec(uint8_t const * const p_buf,
                                      uint32_t              buf_len,
                                      uint32_t * const      p_index,
                                      void * const          p_void_struct)
{
    SER_STRUCT_DEC_BEGIN(ble_gatt_conn_cfg_t);
    SER_PULL_uint16(&p_struct->att_mtu);
    SER_STRUCT_DEC_END;
}
uint32_t ble_gatts_evt_sys_attr_missing_t_dec(uint8_t const * const p_buf,
                                              uint32_t              buf_len,
                                              uint32_t * const      p_index,
                                              void * const          p_void_struct)
{
    SER_STRUCT_DEC_BEGIN(ble_gatts_evt_sys_attr_missing_t);
    SER_PULL_uint8(&p_struct->hint);
    SER_STRUCT_DEC_END;
}
uint32_t ble_gatts_evt_timeout_t_dec(uint8_t const * const p_buf,
                                     uint32_t              buf_len,
                                     uint32_t * const      p_index,
                                     void * const          p_void_struct)
{
    SER_STRUCT_DEC_BEGIN(ble_gatts_evt_timeout_t);
    SER_PULL_uint8(&p_struct->src);
    SER_STRUCT_DEC_END;
}
uint32_t ble_gatts_cfg_attr_tab_size_t_dec(uint8_t const * const p_buf,
                                     uint32_t           buf_len,
                                     uint32_t * const   p_index,
                                     void * const       p_void_struct)
{
    SER_STRUCT_DEC_BEGIN(ble_gatts_cfg_attr_tab_size_t);
    SER_PULL_uint32(&p_struct->attr_tab_size);
    SER_STRUCT_DEC_END;
}
uint32_t ble_gatts_conn_cfg_t_dec(uint8_t const * const p_buf,
                                     uint32_t           buf_len,
                                     uint32_t * const   p_index,
                                     void * const       p_void_struct)
{
    SER_STRUCT_DEC_BEGIN(ble_gatts_conn_cfg_t);
    SER_PULL_uint8(&p_struct->hvn_tx_queue_size);
    SER_STRUCT_DEC_END;
}
uint32_t ble_gatts_cfg_service_changed_t_dec(uint8_t const * const p_buf,
                                     uint32_t           buf_len,
                                     uint32_t * const   p_index,
                                     void * const       p_void_struct)
{
    SER_STRUCT_DEC_BEGIN(ble_gatts_cfg_service_changed_t);
    uint8_t service_changed;
    SER_PULL_uint8(&service_changed);
    p_struct->service_changed = service_changed;
    SER_STRUCT_DEC_END;
}
uint32_t ble_gatts_value_t_dec(uint8_t const * const p_buf,
                               uint32_t              buf_len,
                               uint32_t * const      p_index,
                               void * const          p_void_struct)
{
    SER_STRUCT_DEC_BEGIN(ble_gatts_value_t);

    SER_PULL_uint16(&p_struct->offset);
    SER_PULL_len16data(&p_struct->p_value, &p_struct->len);

    SER_STRUCT_DEC_END;
}
uint32_t ble_gatts_evt_read_t_dec(uint8_t const * const p_buf,
                                  uint32_t              buf_len,
                                  uint32_t * const      p_index,
                                  void * const          p_void_struct)
{
    SER_STRUCT_DEC_BEGIN(ble_gatts_evt_read_t);

    SER_PULL_uint16(&p_struct->handle);
    SER_PULL_FIELD(&p_struct->uuid, ble_uuid_t_dec);
    SER_PULL_uint16(&p_struct->offset);

    SER_STRUCT_DEC_END;
}
uint32_t ble_gatts_char_handles_t_dec(uint8_t const * const p_buf,
                                    uint32_t              buf_len,
                                    uint32_t * const      p_index,
                                    void * const          p_void_struct)
{
    SER_STRUCT_DEC_BEGIN(ble_gatts_char_handles_t);

    SER_PULL_uint16(&p_struct->value_handle);
    SER_PULL_uint16(&p_struct->user_desc_handle);
    SER_PULL_uint16(&p_struct->cccd_handle);
    SER_PULL_uint16(&p_struct->sccd_handle);

    SER_STRUCT_DEC_END;
}
uint32_t ble_gatt_char_ext_props_t_dec(uint8_t const * const p_buf,
                              uint32_t              buf_len,
                              uint32_t * const      p_index,
                              void * const          p_void_struct)
{
    SER_STRUCT_DEC_BEGIN(ble_gatt_char_ext_props_t);

    uint8_t ser_data;
    SER_PULL_uint8(&ser_data);
    p_struct->reliable_wr = ser_data & 0x01;
    p_struct->wr_aux      = (ser_data >> 1) & 0x01;

    SER_STRUCT_DEC_END;
}
uint32_t ble_gatts_attr_t_dec(uint8_t const * const p_buf,
                            uint32_t              buf_len,
                            uint32_t * const      p_index,
                            void * const          p_void_struct)
{
    SER_STRUCT_DEC_BEGIN(ble_gatts_attr_t);

    SER_PULL_COND(&p_struct->p_uuid, ble_uuid_t_dec);
    SER_PULL_COND(&p_struct->p_attr_md, ble_gatts_attr_md_t_dec);
    SER_PULL_uint16(&p_struct->init_offs);
    SER_PULL_uint16(&p_struct->max_len);
    SER_PULL_len16data(&p_struct->p_value, &p_struct->init_len);

    SER_STRUCT_DEC_END;
}
uint32_t ble_gatts_char_pf_t_dec(uint8_t const * const p_buf,
                                 uint32_t              buf_len,
                                 uint32_t * const      p_index,
                                 void * const          p_void_struct)
{
    SER_STRUCT_DEC_BEGIN(ble_gatts_char_pf_t);

    SER_PULL_uint8(&p_struct->format);
    SER_PULL_int8(&p_struct->exponent);
    SER_PULL_uint16(&p_struct->unit);
    SER_PULL_uint8(&p_struct->name_space);
    SER_PULL_uint16(&p_struct->desc);

    SER_STRUCT_DEC_END;
}
uint32_t ble_gatts_enable_params_t_dec(uint8_t const * const p_buf,
                                       uint32_t              buf_len,
                                       uint32_t * const      p_index,
                                       void * const          p_void_struct)
{
    SER_STRUCT_DEC_BEGIN(ble_gatts_enable_params_t);

    uint8_t ser_data;
    SER_PULL_uint8(&ser_data);
    SER_PULL_uint32(&p_struct->attr_tab_size);

    p_struct->service_changed = ser_data & 0x01;

    SER_STRUCT_DEC_END;
}
uint32_t ble_gatts_authorize_params_t_dec(uint8_t const * const p_buf,
                                          uint32_t              buf_len,
                                          uint32_t * const      p_index,
                                          void * const          p_void_struct)
{
    SER_STRUCT_DEC_BEGIN(ble_gatts_authorize_params_t);

    uint8_t ser_data;
    SER_PULL_uint16(&p_struct->gatt_status);
    SER_PULL_uint8(&ser_data);
    SER_PULL_uint16(&p_struct->offset);
    SER_PULL_len16data((uint8_t **) &p_struct->p_data, &p_struct->len);

    p_struct->update = ser_data & 0x01;

    SER_STRUCT_DEC_END;
}
uint32_t ble_gatt_char_props_t_dec(uint8_t const * const p_buf,
                              uint32_t              buf_len,
                              uint32_t * const      p_index,
                              void * const          p_void_struct)
{
    SER_STRUCT_DEC_BEGIN(ble_gatt_char_props_t);

    uint8_t ser_data;
    SER_PULL_uint8(&ser_data);
    p_struct->broadcast      = ser_data & 0x01;
    p_struct->read           = (ser_data >> 1) & 0x01;
    p_struct->write_wo_resp  = (ser_data >> 2) & 0x01;
    p_struct->write          = (ser_data >> 3) & 0x01;
    p_struct->notify         = (ser_data >> 4) & 0x01;
    p_struct->indicate       = (ser_data >> 5) & 0x01;
    p_struct->auth_signed_wr = (ser_data >> 6) & 0x01;

    SER_STRUCT_DEC_END;
}
uint32_t ble_gatts_attr_md_t_dec(uint8_t const * const p_buf,
                                 uint32_t              buf_len,
                                 uint32_t * const      p_index,
                                 void * const          p_void_struct)
{
    SER_STRUCT_DEC_BEGIN(ble_gatts_attr_md_t);

    uint8_t ser_data;
    SER_PULL_FIELD(&p_struct->read_perm, ble_gap_conn_sec_mode_t_dec);
    SER_PULL_FIELD(&p_struct->write_perm, ble_gap_conn_sec_mode_t_dec);
    SER_PULL_uint8(&ser_data);

    p_struct->vlen    = ser_data & 0x01;
    p_struct->vloc    = (ser_data >> 1) & 0x03;
    p_struct->rd_auth = (ser_data >> 3) & 0x01;
    p_struct->wr_auth = (ser_data >> 4) & 0x01;

    SER_STRUCT_DEC_END;
}
uint32_t ble_gatts_hvx_params_t_dec(uint8_t const * const p_buf,
                                    uint32_t              buf_len,
                                    uint32_t * const      p_index,
                                    void * const          p_void_struct)
{
    SER_STRUCT_DEC_BEGIN(ble_gatts_hvx_params_t);

    SER_PULL_uint16(&p_struct->handle);
    SER_PULL_uint8(&p_struct->type);
    SER_PULL_uint16(&p_struct->offset);
    SER_PULL_COND(&p_struct->p_len, uint16_t_dec);
    if (p_struct->p_len)
    {
#if defined(NRF_SD_BLE_API_VERSION) && NRF_SD_BLE_API_VERSION < 4
    SER_PULL_buf(&p_struct->p_data, *p_struct->p_len, *p_struct->p_len);
#else
    SER_PULL_buf((uint8_t**)&p_struct->p_data, *p_struct->p_len, *p_struct->p_len);
#endif
    }

    SER_STRUCT_DEC_END;
}
uint32_t ble_gatts_char_md_t_dec(uint8_t const * const p_buf,
                                 uint32_t              buf_len,
                                 uint32_t * const      p_index,
                                 void * const          p_void_struct)
{
    SER_STRUCT_DEC_BEGIN(ble_gatts_char_md_t);

    SER_PULL_FIELD(&p_struct->char_props, ble_gatt_char_props_t_dec);
    SER_PULL_FIELD(&p_struct->char_ext_props, ble_gatt_char_ext_props_t_dec);
    SER_PULL_uint16(&p_struct->char_user_desc_max_size);
#if defined(NRF_SD_BLE_API_VERSION) && NRF_SD_BLE_API_VERSION < 4
    SER_PULL_len16data(&p_struct->p_char_user_desc, &p_struct->char_user_desc_size);
#else
    SER_PULL_len16data((uint8_t * *  )&p_struct->p_char_user_desc, &p_struct->char_user_desc_size);
#endif
    SER_PULL_COND(&p_struct->p_char_pf, ble_gatts_char_pf_t_dec);
    SER_PULL_COND(&p_struct->p_user_desc_md, ble_gatts_attr_md_t_dec);
    SER_PULL_COND(&p_struct->p_cccd_md, ble_gatts_attr_md_t_dec);
    SER_PULL_COND(&p_struct->p_sccd_md, ble_gatts_attr_md_t_dec);

    SER_STRUCT_ENC_END;
}
uint32_t ble_gatts_evt_write_t_dec(uint8_t const * const p_buf,
                                   uint32_t              buf_len,
                                   uint32_t * const      p_index,
                                   uint32_t * const      p_ext_len,
                                   void * const          p_void_struct)
{
    SER_STRUCT_DEC_BEGIN(ble_gatts_evt_write_t);

    SER_PULL_uint16(&p_struct->handle);
    SER_PULL_FIELD(&p_struct->uuid, ble_uuid_t_dec);
    SER_PULL_uint8(&p_struct->op);
    SER_PULL_uint8(&p_struct->auth_required);
    SER_PULL_uint16(&p_struct->offset);
    SER_PULL_uint16(&p_struct->len);

    // Data field is defined as 1-element array, so the first element
    // is always allocated in the structure.
    SER_ASSERT_LENGTH_LEQ(p_struct->len, *p_ext_len + 1);
    SER_PULL_uint8array(p_struct->data, p_struct->len);
    *p_ext_len = (p_struct->len > 1) ? p_struct->len - 1 : 0;

    SER_STRUCT_ENC_END;
}
uint32_t ble_gatts_rw_authorize_reply_params_t_dec(uint8_t const * const p_buf,
                                                   uint32_t              buf_len,
                                                   uint32_t * const      p_index,
                                                   void * const          p_void_struct)
{
    SER_STRUCT_DEC_BEGIN(ble_gatts_rw_authorize_reply_params_t);

    SER_PULL_uint8(&p_struct->type);
    if (p_struct->type == BLE_GATTS_AUTHORIZE_TYPE_READ)
    {
        SER_PULL_FIELD(&p_struct->params.read, ble_gatts_authorize_params_t_dec);
    }
    else if (p_struct->type == BLE_GATTS_AUTHORIZE_TYPE_WRITE)
    {
        SER_PULL_FIELD(&p_struct->params.write, ble_gatts_authorize_params_t_dec);
    }
    else
    {
        return NRF_ERROR_INVALID_PARAM;
    }

    SER_STRUCT_DEC_END;
}