kopia lustrzana https://github.com/espressif/esp-idf
component/bt: transport btif_profile_queue.c/h to btc_profile_queue.c/h
rodzic
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// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <string.h>
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#include "esp_bt_main.h"
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#include "bt_trace.h"
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#include "bt_defs.h"
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#include "btc_profile_queue.h"
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#include "gki.h"
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#include "list.h"
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#include "allocator.h"
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/*******************************************************************************
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** Local type definitions
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*******************************************************************************/
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/*******************************************************************************
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** Static variables
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*******************************************************************************/
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static list_t *connect_queue;
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static const size_t MAX_REASONABLE_REQUESTS = 10;
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/*******************************************************************************
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** Queue helper functions
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*******************************************************************************/
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static void queue_int_add(connect_node_t *p_param)
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{
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if (!connect_queue) {
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connect_queue = list_new(osi_free_func);
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assert(connect_queue != NULL);
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}
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// Sanity check to make sure we're not leaking connection requests
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assert(list_length(connect_queue) < MAX_REASONABLE_REQUESTS);
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for (const list_node_t *node = list_begin(connect_queue); node != list_end(connect_queue); node = list_next(node)) {
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if (((connect_node_t *)list_node(node))->uuid == p_param->uuid) {
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LOG_INFO("%s dropping duplicate connect request for uuid: %04x", __func__, p_param->uuid);
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return;
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}
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}
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connect_node_t *p_node = osi_malloc(sizeof(connect_node_t));
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assert(p_node != NULL);
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memcpy(p_node, p_param, sizeof(connect_node_t));
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list_append(connect_queue, p_node);
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}
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static void queue_int_advance()
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{
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if (connect_queue && !list_is_empty(connect_queue)) {
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list_remove(connect_queue, list_front(connect_queue));
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}
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}
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void btc_profile_queue_handler(btc_msg_t *msg)
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{
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btc_prf_que_args_t *arg = (btc_prf_que_args_t *)(msg->arg);
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switch (msg->act) {
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case BTC_PRF_QUE_CONNECT:
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queue_int_add(&(arg->connect_node));
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break;
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case BTC_PRF_QUE_ADVANCE:
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queue_int_advance();
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break;
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}
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if (esp_bluedroid_get_status() == ESP_BLUEDROID_STATUS_ENABLED) {
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btc_queue_connect_next();
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}
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}
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/*******************************************************************************
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**
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** Function btc_queue_connect
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**
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** Description Add a new connection to the queue and trigger the next
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** scheduled connection.
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**
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** Returns BT_STATUS_SUCCESS if successful
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**
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*******************************************************************************/
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bt_status_t btc_queue_connect(uint16_t uuid, const bt_bdaddr_t *bda, btc_connect_cb_t connect_cb)
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{
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btc_msg_t msg;
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btc_prf_que_args_t arg;
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msg.sig = BTC_SIG_API_CALL;
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msg.pid = BTC_PID_PRF_QUE;
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msg.act = BTC_PRF_QUE_CONNECT;
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memset(&arg, 0, sizeof(btc_prf_que_args_t));
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memcpy(&arg.connect_node.bda, bda, sizeof(bt_bdaddr_t));
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arg.connect_node.uuid = uuid;
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arg.connect_node.connect_cb = connect_cb;
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return btc_transfer_context(&msg, &arg, sizeof(btc_prf_que_args_t), NULL);
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}
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/*******************************************************************************
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**
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** Function btif_queue_advance
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**
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** Description Clear the queue's busy status and advance to the next
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** scheduled connection.
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**
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** Returns void
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**
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*******************************************************************************/
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void btc_queue_advance(void)
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{
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btc_msg_t msg;
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msg.sig = BTC_SIG_API_CALL;
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msg.pid = BTC_PID_PRF_QUE;
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msg.act = BTC_PRF_QUE_ADVANCE;
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btc_transfer_context(&msg, NULL, 0, NULL);
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}
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// This function dispatches the next pending connect request. It is called from
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// stack_manager when the stack comes up.
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bt_status_t btc_queue_connect_next(void)
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{
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if (!connect_queue || list_is_empty(connect_queue)) {
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return BT_STATUS_FAIL;
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}
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connect_node_t *p_head = list_front(connect_queue);
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// If the queue is currently busy, we return success anyway,
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// since the connection has been queued...
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if (p_head->busy) {
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return BT_STATUS_SUCCESS;
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}
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p_head->busy = true;
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return p_head->connect_cb(&p_head->bda, p_head->uuid);
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}
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/*******************************************************************************
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**
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** Function btc_queue_release
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**
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** Description Free up all the queue nodes and set the queue head to NULL
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**
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** Returns void
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**
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*******************************************************************************/
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void btc_queue_release(void)
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{
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list_free(connect_queue);
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connect_queue = NULL;
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}
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@ -26,6 +26,7 @@
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#include "btc_gap_bt.h"
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#include "btc_blufi_prf.h"
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#include "btc_dm.h"
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#include "btc_profile_queue.h"
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#include "bta_gatt_api.h"
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@ -44,7 +45,8 @@ static btc_func_t profile_tab[BTC_PID_NUM] = {
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[BTC_PID_SPP] = {NULL, NULL},
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[BTC_PID_SPPLIKE] = {NULL, NULL},
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[BTC_PID_BLUFI] = {btc_blufi_call_handler, btc_blufi_cb_handler },
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[BTC_PID_DM_SEC] = {NULL, btc_dm_sec_cb_handler }
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[BTC_PID_DM_SEC] = {NULL, btc_dm_sec_cb_handler },
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[BTC_PID_PRF_QUE] = {btc_profile_queue_handler, NULL}
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};
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/*****************************************************************************
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@ -0,0 +1,55 @@
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// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/*******************************************************************************
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*
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* Filename: btC_profile_queue.h
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*
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* Description: Bluetooth remote device connection queuing
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*
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*******************************************************************************/
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#ifndef __BTC_PROFILE_QUEUE_H__
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#define __BTC_PROFILE_QUEUE_H__
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#include "bt_defs.h"
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#include "btc_task.h"
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typedef enum {
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BTC_PRF_QUE_CONNECT = 0,
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BTC_PRF_QUE_ADVANCE
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} btc_prf_que_act_t;
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typedef bt_status_t (*btc_connect_cb_t) (bt_bdaddr_t *bda, uint16_t uuid);
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typedef struct connect_node_t {
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bt_bdaddr_t bda;
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uint16_t uuid;
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bool busy;
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btc_connect_cb_t connect_cb;
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} connect_node_t;
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/* btc_prf_que_args_t */
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typedef union {
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// BTC_PRF_QUE_CONNECT
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connect_node_t connect_node;
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} btc_prf_que_args_t;
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bt_status_t btc_queue_connect(uint16_t uuid, const bt_bdaddr_t *bda, btc_connect_cb_t connect_cb);
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void btc_queue_advance(void);
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bt_status_t btc_queue_connect_next(void);
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void btc_queue_release(void);
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void btc_profile_queue_handler(btc_msg_t *msg);
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#endif /* __BTC_PROFILE_QUEUE_H__ */
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@ -46,6 +46,7 @@ typedef enum {
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BTC_PID_SPPLIKE,
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BTC_PID_BLUFI,
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BTC_PID_DM_SEC,
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BTC_PID_PRF_QUE,
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BTC_PID_NUM,
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} btc_pid_t; //btc profile id
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