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component/bt: free timer resources after using them

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Bluedroid use a set of timer function pairs such as btu_start_timer/btu_stop_timer, btu_sys_start_timer/btu_sys_stop_timer for use, in a lack of timer release functions. Thus the timers may be exhausted after some event sequence such as repetition of connection/reconnection with different devices. The maximum timer number used in bluedroid is given by ALARM_CBS_NUM which is 30 for now. This bugfix borrowed some update from bluedroid in Andoroid 7.0, which add timer release functions which promote the recycle of timer resources.
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wangmengyang
2018-01-27 19:03:06 +08:00
parent daa8cfa800
commit 90c9ffa975
23 changed files with 231 additions and 56 deletions
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components/bt/bluedroid/stack/include/btu.h
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@@ -246,6 +246,7 @@ void btu_uipc_rx_cback(BT_HDR *p_msg);
#if defined(QUICK_TIMER_TICKS_PER_SEC) && (QUICK_TIMER_TICKS_PER_SEC > 0)
void btu_start_quick_timer (TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout);
void btu_stop_quick_timer (TIMER_LIST_ENT *p_tle);
void btu_free_quick_timer (TIMER_LIST_ENT *p_tle);
void btu_process_quick_timer_evt (void);
#endif