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Bluetooth: controller: Make must-expire runtime configurable

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Under CONFIG_BT_TICKER_EXT configuration, the ticker interface has been
extended to support enabling/disabling must-expire scheduling. This
means that conn and slave ticker start calls can now omit must-expire
default-on configuration, relying on LLL updating the mode as needed.

Signed-off-by: Morten Priess <mtpr@oticon.com>
This commit is contained in:
Morten Priess 2020-12-07 11:16:25 +01:00 • committed by Carles Cufí
commit 467fd155a8
4 changed files with 71 additions and 19 deletions
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8
subsys/bluetooth/controller/ll_sw/ull_conn.c
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@ -2474,11 +2474,11 @@ static inline int event_conn_upd_prep(struct ll_conn *conn, uint16_t lazy,
ticks_at_expire, ticks_win_offset,
HAL_TICKER_US_TO_TICKS(periodic_us),
HAL_TICKER_REMAINDER(periodic_us),
#if defined(CONFIG_BT_CTLR_CONN_META)
TICKER_LAZY_MUST_EXPIRE,
#else
#if defined(CONFIG_BT_TICKER_COMPATIBILITY_MODE)
TICKER_NULL_LAZY,
#endif /* CONFIG_BT_CTLR_CONN_META */
#else
TICKER_LAZY_MUST_EXPIRE_KEEP,
#endif
(ticks_slot_overhead +
conn->evt.ticks_slot),
#if defined(CONFIG_BT_PERIPHERAL) && defined(CONFIG_BT_CENTRAL)