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Bluetooth: controller: Refactor adv random delay resolution fix

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Refactored the fix in the commit 685da02354 ("Bluetooth:
controller: Fix advertising random delay resolution calc")
to apply modulo in tick units before adding a tick.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
This commit is contained in:
Vinayak Kariappa Chettimada 2018-10-05 10:21:21 +02:00 • committed by Anas Nashif
commit 71fff7648d
1 changed files with 4 additions and 3 deletions
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7
subsys/bluetooth/controller/ll_sw/ctrl.c
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@ -3902,7 +3902,9 @@ static inline u32_t isr_close_adv(void)
entropy_nrf_get_entropy_isr(_radio.entropy,
(void *)&random_delay,
sizeof(random_delay));
random_delay %= 10000;
random_delay %= HAL_TICKER_US_TO_TICKS(10000);
random_delay += 1;
/* Call to ticker_update can fail under the race
* condition where in the Adv role is being stopped but
@ -3913,8 +3915,7 @@ static inline u32_t isr_close_adv(void)
ticker_status =
ticker_update(RADIO_TICKER_INSTANCE_ID_RADIO,
RADIO_TICKER_USER_ID_WORKER,
RADIO_TICKER_ID_ADV,
HAL_TICKER_US_TO_TICKS(random_delay)+1,
RADIO_TICKER_ID_ADV, random_delay,
0, 0, 0, 0, 0, ticker_update_adv_assert,
(void *)__LINE__);
LL_ASSERT((ticker_status == TICKER_STATUS_SUCCESS) ||