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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.
This commit is contained in:
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/rfcomm/include/rfc_int.h
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@@ -296,8 +296,10 @@ tRFC_MCB *rfc_alloc_multiplexer_channel (BD_ADDR bd_addr, BOOLEAN is_initiator)
extern void rfc_release_multiplexer_channel (tRFC_MCB *p_rfc_mcb);
extern void rfc_timer_start (tRFC_MCB *p_rfc_mcb, UINT16 timeout);
extern void rfc_timer_stop (tRFC_MCB *p_rfc_mcb);
extern void rfc_timer_free (tRFC_MCB *p_rfc_mcb);
extern void rfc_port_timer_start (tPORT *p_port, UINT16 tout);
extern void rfc_port_timer_stop (tPORT *p_port);
extern void rfc_port_timer_free (tPORT *p_port);
BOOLEAN rfc_check_uih_fcs (UINT8 dlci, UINT8 received_fcs);
BOOLEAN rfc_check_fcs (UINT16 len, UINT8 *p, UINT8 received_fcs);