665 lines
18 KiB
C
665 lines
18 KiB
C
/******************************************************************************
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*
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* Copyright (C) 1999-2012 Broadcom Corporation
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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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*
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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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#include <string.h>
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#include "alarm.h"
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#include "thread.h"
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#include "bt_target.h"
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#include "bt_trace.h"
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#include "bt_types.h"
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#include "allocator.h"
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#include "btm_api.h"
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#include "btm_int.h"
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#include "btu.h"
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#include "gki.h"
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#include "hash_map.h"
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#include "hcimsgs.h"
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#include "l2c_int.h"
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#include "osi.h"
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#if (defined(SDP_INCLUDED) && SDP_INCLUDED == TRUE)
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#include "sdpint.h"
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#endif
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#if (defined(RFCOMM_INCLUDED) && RFCOMM_INCLUDED == TRUE)
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#include "port_api.h"
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#include "port_ext.h"
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#endif
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#if (defined(GAP_INCLUDED) && GAP_INCLUDED == TRUE)
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#include "gap_int.h"
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#endif
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#if (defined(BNEP_INCLUDED) && BNEP_INCLUDED == TRUE)
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#include "bnep_int.h"
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#endif
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#if (defined(PAN_INCLUDED) && PAN_INCLUDED == TRUE)
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#include "pan_int.h"
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#endif
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#if (defined(HID_HOST_INCLUDED) && HID_HOST_INCLUDED == TRUE )
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#include "hidh_int.h"
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#endif
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#if (defined(AVDT_INCLUDED) && AVDT_INCLUDED == TRUE)
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#include "avdt_int.h"
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#else
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extern void avdt_rcv_sync_info (BT_HDR *p_buf);
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#endif
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#if (defined(MCA_INCLUDED) && MCA_INCLUDED == TRUE)
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#include "mca_api.h"
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#include "mca_defs.h"
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#include "mca_int.h"
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#endif
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#if (defined(BTA_INCLUDED) && BTA_INCLUDED == TRUE)
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#include "bta_sys.h"
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#endif
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#if (BLE_INCLUDED == TRUE)
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#include "gatt_int.h"
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#if (SMP_INCLUDED == TRUE)
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#include "smp_int.h"
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#endif
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#include "btm_ble_int.h"
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#endif
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//#if (defined(BT_APP_DEMO) && BT_APP_DEMO == TRUE)
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//#include "bt_app_common.h"
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//#endif
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extern void BTE_InitStack(void);
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/* Define BTU storage area
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*/
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#if BTU_DYNAMIC_MEMORY == FALSE
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tBTU_CB btu_cb;
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#endif
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extern hash_map_t *btu_general_alarm_hash_map;
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extern pthread_mutex_t btu_general_alarm_lock;
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// Oneshot timer queue.
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extern hash_map_t *btu_oneshot_alarm_hash_map;
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extern pthread_mutex_t btu_oneshot_alarm_lock;
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// l2cap timer queue.
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extern hash_map_t *btu_l2cap_alarm_hash_map;
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extern pthread_mutex_t btu_l2cap_alarm_lock;
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extern xTaskHandle xBtuTaskHandle;
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extern xQueueHandle xBtuQueue;
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extern bluedroid_init_done_cb_t bluedroid_init_done_cb;
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/* Define a function prototype to allow a generic timeout handler */
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typedef void (tUSER_TIMEOUT_FUNC) (TIMER_LIST_ENT *p_tle);
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static void btu_l2cap_alarm_process(TIMER_LIST_ENT *p_tle);
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static void btu_general_alarm_process(TIMER_LIST_ENT *p_tle);
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static void btu_hci_msg_process(BT_HDR *p_msg);
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#if (defined(BTA_INCLUDED) && BTA_INCLUDED == TRUE)
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static void btu_bta_alarm_process(TIMER_LIST_ENT *p_tle);
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#endif
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static void btu_hci_msg_process(BT_HDR *p_msg)
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{
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/* Determine the input message type. */
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switch (p_msg->event & BT_EVT_MASK) {
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case BTU_POST_TO_TASK_NO_GOOD_HORRIBLE_HACK: // TODO(zachoverflow): remove this
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{
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post_to_task_hack_t *ph = (post_to_task_hack_t *) &p_msg->data[0];
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ph->callback(p_msg);
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break;
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}
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case BT_EVT_TO_BTU_HCI_ACL:
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/* All Acl Data goes to L2CAP */
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l2c_rcv_acl_data (p_msg);
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break;
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case BT_EVT_TO_BTU_L2C_SEG_XMIT:
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/* L2CAP segment transmit complete */
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l2c_link_segments_xmitted (p_msg);
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break;
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case BT_EVT_TO_BTU_HCI_SCO:
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#if BTM_SCO_INCLUDED == TRUE
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btm_route_sco_data (p_msg);
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break;
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#endif
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case BT_EVT_TO_BTU_HCI_EVT:
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btu_hcif_process_event ((UINT8)(p_msg->event & BT_SUB_EVT_MASK), p_msg);
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GKI_freebuf(p_msg);
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#if (defined(HCILP_INCLUDED) && HCILP_INCLUDED == TRUE)
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/* If host receives events which it doesn't response to, */
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/* host should start idle timer to enter sleep mode. */
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btu_check_bt_sleep ();
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#endif
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break;
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case BT_EVT_TO_BTU_HCI_CMD:
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btu_hcif_send_cmd ((UINT8)(p_msg->event & BT_SUB_EVT_MASK), p_msg);
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break;
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default:;
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int i = 0;
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uint16_t mask = (UINT16) (p_msg->event & BT_EVT_MASK);
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BOOLEAN handled = FALSE;
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for (; !handled && i < BTU_MAX_REG_EVENT; i++) {
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if (btu_cb.event_reg[i].event_cb == NULL) {
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continue;
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}
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if (mask == btu_cb.event_reg[i].event_range) {
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if (btu_cb.event_reg[i].event_cb) {
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btu_cb.event_reg[i].event_cb(p_msg);
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handled = TRUE;
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}
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}
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}
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if (handled == FALSE) {
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GKI_freebuf (p_msg);
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}
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break;
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}
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}
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#if (defined(BTA_INCLUDED) && BTA_INCLUDED == TRUE)
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static void btu_bta_alarm_process(TIMER_LIST_ENT *p_tle)
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{
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// call timer callback
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if (p_tle->p_cback) {
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(*p_tle->p_cback)(p_tle);
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} else if (p_tle->event) {
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BT_HDR *p_msg;
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if ((p_msg = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) {
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p_msg->event = p_tle->event;
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p_msg->layer_specific = 0;
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//GKI_freebuf(p_msg);
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bta_sys_sendmsg(p_msg);
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}
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}
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}
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#endif
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/*****************************************************************************
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**
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** Function btu_task_thread_handler
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**
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** Description Process BTU Task Thread.
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******************************************************************************/
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void btu_task_thread_handler(void *arg)
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{
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BtTaskEvt_t e;
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for (;;) {
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if (pdTRUE == xQueueReceive(xBtuQueue, &e, (portTickType)portMAX_DELAY)) {
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switch (e.sig) {
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case SIG_BTU_START_UP:
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btu_task_start_up();
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break;
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case SIG_BTU_HCI_MSG:
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btu_hci_msg_process((BT_HDR *)e.par);
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break;
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#if (defined(BTA_INCLUDED) && BTA_INCLUDED == TRUE)
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case SIG_BTU_BTA_MSG:
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bta_sys_event((BT_HDR *)e.par);
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break;
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case SIG_BTU_BTA_ALARM:
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btu_bta_alarm_process((TIMER_LIST_ENT *)e.par);
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break;
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#endif
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case SIG_BTU_GENERAL_ALARM:
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btu_general_alarm_process((TIMER_LIST_ENT *)e.par);
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break;
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case SIG_BTU_ONESHOT_ALARM: {
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TIMER_LIST_ENT *p_tle = (TIMER_LIST_ENT *)e.par;
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btu_general_alarm_process(p_tle);
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switch (p_tle->event) {
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#if (defined(BLE_INCLUDED) && BLE_INCLUDED == TRUE)
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case BTU_TTYPE_BLE_RANDOM_ADDR:
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btm_ble_timeout(p_tle);
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break;
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#endif
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case BTU_TTYPE_USER_FUNC: {
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tUSER_TIMEOUT_FUNC *p_uf = (tUSER_TIMEOUT_FUNC *)p_tle->param;
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(*p_uf)(p_tle);
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break;
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}
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default:
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// FAIL
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LOG_ERROR("Received unexpected oneshot timer event:0x%x\n", p_tle->event);
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break;
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}
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break;
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}
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case SIG_BTU_L2CAP_ALARM:
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btu_l2cap_alarm_process((TIMER_LIST_ENT *)e.par);
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break;
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default:
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break;
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}
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}
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}
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}
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task_post_status_t btu_task_post(uint32_t sig, void *param, task_post_t timeout)
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{
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BtTaskEvt_t evt;
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evt.sig = sig;
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evt.par = param;
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if (xQueueSend(xBtuQueue, &evt, timeout) != pdTRUE) {
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LOG_ERROR("xBtuQueue failed\n");
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return TASK_POST_FAIL;
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}
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return TASK_POST_SUCCESS;
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}
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void btu_task_start_up(void)
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{
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/* Initialize the mandatory core stack control blocks
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(BTU, BTM, L2CAP, and SDP)
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*/
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btu_init_core();
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/* Initialize any optional stack components */
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BTE_InitStack();
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#if (defined(BTA_INCLUDED) && BTA_INCLUDED == TRUE)
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bta_sys_init();
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#endif
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// Inform the bt jni thread initialization is ok.
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// btif_transfer_context(btif_init_ok, 0, NULL, 0, NULL);
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#if(defined(BT_APP_DEMO) && BT_APP_DEMO == TRUE)
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if (bluedroid_init_done_cb) {
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bluedroid_init_done_cb();
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}
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#endif
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}
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void btu_task_shut_down(void)
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{
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#if (defined(BTA_INCLUDED) && BTA_INCLUDED == TRUE)
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bta_sys_free();
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#endif
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btu_free_core();
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}
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/*******************************************************************************
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**
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** Function btu_start_timer
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**
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** Description Start a timer for the specified amount of time.
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** NOTE: The timeout resolution is in SECONDS! (Even
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** though the timer structure field is ticks)
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**
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** Returns void
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**
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*******************************************************************************/
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static void btu_general_alarm_process(TIMER_LIST_ENT *p_tle)
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{
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assert(p_tle != NULL);
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switch (p_tle->event) {
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case BTU_TTYPE_BTM_DEV_CTL:
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btm_dev_timeout(p_tle);
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break;
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case BTU_TTYPE_L2CAP_LINK:
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case BTU_TTYPE_L2CAP_CHNL:
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case BTU_TTYPE_L2CAP_HOLD:
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case BTU_TTYPE_L2CAP_INFO:
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case BTU_TTYPE_L2CAP_FCR_ACK:
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case BTU_TTYPE_L2CAP_UPDA_CONN_PARAMS:
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l2c_process_timeout (p_tle);
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break;
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#if (defined(SDP_INCLUDED) && SDP_INCLUDED == TRUE)
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case BTU_TTYPE_SDP:
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sdp_conn_timeout ((tCONN_CB *)p_tle->param);
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break;
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#endif
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case BTU_TTYPE_BTM_RMT_NAME:
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btm_inq_rmt_name_failed();
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break;
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#if (defined(RFCOMM_INCLUDED) && RFCOMM_INCLUDED == TRUE)
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case BTU_TTYPE_RFCOMM_MFC:
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case BTU_TTYPE_RFCOMM_PORT:
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rfcomm_process_timeout (p_tle);
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break;
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#endif
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#if ((defined(BNEP_INCLUDED) && BNEP_INCLUDED == TRUE))
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case BTU_TTYPE_BNEP:
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bnep_process_timeout(p_tle);
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break;
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#endif
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#if (defined(AVDT_INCLUDED) && AVDT_INCLUDED == TRUE)
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case BTU_TTYPE_AVDT_CCB_RET:
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case BTU_TTYPE_AVDT_CCB_RSP:
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case BTU_TTYPE_AVDT_CCB_IDLE:
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case BTU_TTYPE_AVDT_SCB_TC:
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avdt_process_timeout(p_tle);
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break;
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#endif
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#if (defined(HID_HOST_INCLUDED) && HID_HOST_INCLUDED == TRUE)
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case BTU_TTYPE_HID_HOST_REPAGE_TO :
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hidh_proc_repage_timeout(p_tle);
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break;
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#endif
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#if (defined(BLE_INCLUDED) && BLE_INCLUDED == TRUE)
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case BTU_TTYPE_BLE_INQUIRY:
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case BTU_TTYPE_BLE_GAP_LIM_DISC:
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case BTU_TTYPE_BLE_RANDOM_ADDR:
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case BTU_TTYPE_BLE_GAP_FAST_ADV:
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case BTU_TTYPE_BLE_OBSERVE:
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btm_ble_timeout(p_tle);
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break;
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case BTU_TTYPE_ATT_WAIT_FOR_RSP:
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gatt_rsp_timeout(p_tle);
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break;
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case BTU_TTYPE_ATT_WAIT_FOR_IND_ACK:
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gatt_ind_ack_timeout(p_tle);
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break;
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#if (defined(SMP_INCLUDED) && SMP_INCLUDED == TRUE)
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case BTU_TTYPE_SMP_PAIRING_CMD:
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smp_rsp_timeout(p_tle);
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break;
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#endif
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#endif
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#if (MCA_INCLUDED == TRUE)
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case BTU_TTYPE_MCA_CCB_RSP:
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mca_process_timeout(p_tle);
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break;
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#endif
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case BTU_TTYPE_USER_FUNC: {
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tUSER_TIMEOUT_FUNC *p_uf = (tUSER_TIMEOUT_FUNC *)p_tle->param;
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(*p_uf)(p_tle);
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}
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break;
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default:;
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int i = 0;
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BOOLEAN handled = FALSE;
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for (; !handled && i < BTU_MAX_REG_TIMER; i++) {
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if (btu_cb.timer_reg[i].timer_cb == NULL) {
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continue;
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}
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if (btu_cb.timer_reg[i].p_tle == p_tle) {
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btu_cb.timer_reg[i].timer_cb(p_tle);
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handled = TRUE;
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}
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}
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break;
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}
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}
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void btu_general_alarm_cb(void *data)
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{
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assert(data != NULL);
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TIMER_LIST_ENT *p_tle = (TIMER_LIST_ENT *)data;
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btu_task_post(SIG_BTU_GENERAL_ALARM, p_tle, TASK_POST_BLOCKING);
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}
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void btu_start_timer(TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout_sec)
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{
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osi_alarm_t *alarm = NULL;
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assert(p_tle != NULL);
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// Get the alarm for the timer list entry.
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pthread_mutex_lock(&btu_general_alarm_lock);
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if (!hash_map_has_key(btu_general_alarm_hash_map, p_tle)) {
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alarm = osi_alarm_new("btu_gen", btu_general_alarm_cb, (void *)p_tle, 0);
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hash_map_set(btu_general_alarm_hash_map, p_tle, alarm);
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}
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pthread_mutex_unlock(&btu_general_alarm_lock);
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alarm = hash_map_get(btu_general_alarm_hash_map, p_tle);
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if (alarm == NULL) {
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LOG_ERROR("%s Unable to create alarm", __func__);
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return;
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}
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osi_alarm_cancel(alarm);
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p_tle->event = type;
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// NOTE: This value is in seconds but stored in a ticks field.
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p_tle->ticks = timeout_sec;
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p_tle->in_use = TRUE;
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osi_alarm_set(alarm, (period_ms_t)(timeout_sec * 1000));
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}
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/*******************************************************************************
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**
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** Function btu_stop_timer
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**
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** Description Stop a timer.
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**
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** Returns void
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**
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*******************************************************************************/
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void btu_stop_timer(TIMER_LIST_ENT *p_tle)
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{
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assert(p_tle != NULL);
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if (p_tle->in_use == FALSE) {
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return;
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}
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p_tle->in_use = FALSE;
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// Get the alarm for the timer list entry.
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osi_alarm_t *alarm = hash_map_get(btu_general_alarm_hash_map, p_tle);
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if (alarm == NULL) {
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LOG_WARN("%s Unable to find expected alarm in hashmap", __func__);
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return;
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}
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osi_alarm_cancel(alarm);
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}
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#if defined(QUICK_TIMER_TICKS_PER_SEC) && (QUICK_TIMER_TICKS_PER_SEC > 0)
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/*******************************************************************************
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**
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** Function btu_start_quick_timer
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**
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** Description Start a timer for the specified amount of time in ticks.
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**
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** Returns void
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**
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*******************************************************************************/
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static void btu_l2cap_alarm_process(TIMER_LIST_ENT *p_tle)
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{
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assert(p_tle != NULL);
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switch (p_tle->event) {
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case BTU_TTYPE_L2CAP_CHNL: /* monitor or retransmission timer */
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case BTU_TTYPE_L2CAP_FCR_ACK: /* ack timer */
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l2c_process_timeout (p_tle);
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break;
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default:
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break;
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}
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}
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static void btu_l2cap_alarm_cb(void *data)
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{
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assert(data != NULL);
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TIMER_LIST_ENT *p_tle = (TIMER_LIST_ENT *)data;
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btu_task_post(SIG_BTU_L2CAP_ALARM, p_tle, TASK_POST_BLOCKING);
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}
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void btu_start_quick_timer(TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout_ticks)
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{
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osi_alarm_t *alarm = NULL;
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assert(p_tle != NULL);
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// Get the alarm for the timer list entry.
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pthread_mutex_lock(&btu_l2cap_alarm_lock);
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if (!hash_map_has_key(btu_l2cap_alarm_hash_map, p_tle)) {
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alarm = osi_alarm_new("btu_l2cap", btu_l2cap_alarm_cb, (void *)p_tle, 0);
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hash_map_set(btu_l2cap_alarm_hash_map, p_tle, (void *)alarm);
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}
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pthread_mutex_unlock(&btu_l2cap_alarm_lock);
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alarm = hash_map_get(btu_l2cap_alarm_hash_map, p_tle);
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if (alarm == NULL) {
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LOG_ERROR("%s Unable to create alarm", __func__);
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return;
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}
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osi_alarm_cancel(alarm);
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p_tle->event = type;
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p_tle->ticks = timeout_ticks;
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p_tle->in_use = TRUE;
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// The quick timer ticks are 100ms long.
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osi_alarm_set(alarm, (period_ms_t)(timeout_ticks * 100));
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}
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/*******************************************************************************
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**
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** Function btu_stop_quick_timer
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**
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** Description Stop a timer.
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**
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** Returns void
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**
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*******************************************************************************/
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void btu_stop_quick_timer(TIMER_LIST_ENT *p_tle)
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{
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assert(p_tle != NULL);
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if (p_tle->in_use == FALSE) {
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return;
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}
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p_tle->in_use = FALSE;
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// Get the alarm for the timer list entry.
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osi_alarm_t *alarm = hash_map_get(btu_l2cap_alarm_hash_map, p_tle);
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if (alarm == NULL) {
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LOG_WARN("%s Unable to find expected alarm in hashmap", __func__);
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return;
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}
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osi_alarm_cancel(alarm);
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}
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#endif /* defined(QUICK_TIMER_TICKS_PER_SEC) && (QUICK_TIMER_TICKS_PER_SEC > 0) */
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void btu_oneshot_alarm_cb(void *data)
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{
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assert(data != NULL);
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TIMER_LIST_ENT *p_tle = (TIMER_LIST_ENT *)data;
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btu_stop_timer_oneshot(p_tle);
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btu_task_post(SIG_BTU_ONESHOT_ALARM, p_tle, TASK_POST_BLOCKING);
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}
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/*
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* Starts a oneshot timer with a timeout in seconds.
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*/
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void btu_start_timer_oneshot(TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout_sec)
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{
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osi_alarm_t *alarm = NULL;
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assert(p_tle != NULL);
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// Get the alarm for the timer list entry.
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pthread_mutex_lock(&btu_oneshot_alarm_lock);
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if (!hash_map_has_key(btu_oneshot_alarm_hash_map, p_tle)) {
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alarm = osi_alarm_new("btu_oneshot", btu_oneshot_alarm_cb, (void *)p_tle, 0);
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hash_map_set(btu_oneshot_alarm_hash_map, p_tle, alarm);
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}
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pthread_mutex_unlock(&btu_oneshot_alarm_lock);
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alarm = hash_map_get(btu_oneshot_alarm_hash_map, p_tle);
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if (alarm == NULL) {
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LOG_ERROR("%s Unable to create alarm", __func__);
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return;
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}
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osi_alarm_cancel(alarm);
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p_tle->event = type;
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p_tle->in_use = TRUE;
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// NOTE: This value is in seconds but stored in a ticks field.
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p_tle->ticks = timeout_sec;
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osi_alarm_set(alarm, (period_ms_t)(timeout_sec * 1000));
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}
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void btu_stop_timer_oneshot(TIMER_LIST_ENT *p_tle)
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{
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assert(p_tle != NULL);
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if (p_tle->in_use == FALSE) {
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return;
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}
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p_tle->in_use = FALSE;
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// Get the alarm for the timer list entry.
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osi_alarm_t *alarm = hash_map_get(btu_oneshot_alarm_hash_map, p_tle);
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if (alarm == NULL) {
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LOG_WARN("%s Unable to find expected alarm in hashmap", __func__);
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return;
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}
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osi_alarm_cancel(alarm);
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}
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#if (defined(HCILP_INCLUDED) && HCILP_INCLUDED == TRUE)
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/*******************************************************************************
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**
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** Function btu_check_bt_sleep
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**
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** Description This function is called to check if controller can go to sleep.
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**
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** Returns void
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**
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*******************************************************************************/
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void btu_check_bt_sleep (void)
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{
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// TODO(zachoverflow) take pending commands into account?
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if (l2cb.controller_xmit_window == l2cb.num_lm_acl_bufs) {
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bte_main_lpm_allow_bt_device_sleep();
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}
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}
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#endif
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