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Bluetooth: controller: Support Zero Latency IRQs

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Add support for Zero Latency IRQs, which avoids any Zephyr
OS or application influenced ISR latencies on the
controller's ISRs.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
This commit is contained in:
Vinayak Kariappa Chettimada 2019-10-08 12:00:21 +05:30 • committed by Alberto Escolar
commit a1945db08a
1 changed files with 13 additions and 2 deletions
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15
subsys/bluetooth/controller/ll_sw/ll.c
View file

@ -42,6 +42,12 @@
#include "ll_feat.h"
#include "ll_filter.h"
#if defined(CONFIG_BT_CTLR_ZLI)
#define IRQ_CONNECT_FLAGS IRQ_ZERO_LATENCY
#else
#define IRQ_CONNECT_FLAGS 0
#endif
/* Global singletons */
#if defined(CONFIG_SOC_FLASH_NRF_RADIO_SYNC)
@ -181,11 +187,16 @@ int ll_init(struct k_sem *sem_rx)
}
IRQ_DIRECT_CONNECT(RADIO_IRQn, CONFIG_BT_CTLR_WORKER_PRIO,
radio_nrf5_isr, 0);
radio_nrf5_isr, IRQ_CONNECT_FLAGS);
IRQ_CONNECT(RTC0_IRQn, CONFIG_BT_CTLR_WORKER_PRIO,
rtc0_nrf5_isr, NULL, 0);
rtc0_nrf5_isr, NULL, IRQ_CONNECT_FLAGS);
#if (CONFIG_BT_CTLR_WORKER_PRIO == CONFIG_BT_CTLR_JOB_PRIO)
IRQ_CONNECT(SWI5_IRQn, CONFIG_BT_CTLR_JOB_PRIO,
swi5_nrf5_isr, NULL, IRQ_CONNECT_FLAGS);
#else
IRQ_CONNECT(SWI5_IRQn, CONFIG_BT_CTLR_JOB_PRIO,
swi5_nrf5_isr, NULL, 0);
#endif
irq_enable(RADIO_IRQn);
irq_enable(RTC0_IRQn);