michaelh/zephyr
1
0
Fork 0
Code Releases Activity

Bluetooth: controller: split: Support Zero Latency IRQs

Browse source 
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 3096c0e741
1 changed files with 13 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

15
subsys/bluetooth/controller/ll_sw/nordic/lll/lll.c
View file

@ -33,6 +33,12 @@
#include "hal/debug.h"
#if defined(CONFIG_BT_CTLR_ZLI)
#define IRQ_CONNECT_FLAGS IRQ_ZERO_LATENCY
#else
#define IRQ_CONNECT_FLAGS 0
#endif
static struct {
struct {
void *param;
@ -158,11 +164,16 @@ int lll_init(void)
/* Connect ISRs */
IRQ_DIRECT_CONNECT(RADIO_IRQn, CONFIG_BT_CTLR_LLL_PRIO,
radio_nrf5_isr, 0);
radio_nrf5_isr, IRQ_CONNECT_FLAGS);
#if (CONFIG_BT_CTLR_LLL_PRIO == CONFIG_BT_CTLR_ULL_HIGH_PRIO)
IRQ_CONNECT(RTC0_IRQn, CONFIG_BT_CTLR_ULL_HIGH_PRIO,
rtc0_nrf5_isr, NULL, IRQ_CONNECT_FLAGS);
#else
IRQ_CONNECT(RTC0_IRQn, CONFIG_BT_CTLR_ULL_HIGH_PRIO,
rtc0_nrf5_isr, NULL, 0);
#endif
IRQ_CONNECT(HAL_SWI_RADIO_IRQ, CONFIG_BT_CTLR_LLL_PRIO,
swi_lll_nrf5_isr, NULL, 0);
swi_lll_nrf5_isr, NULL, IRQ_CONNECT_FLAGS);
#if defined(CONFIG_BT_CTLR_LOW_LAT) || \
(CONFIG_BT_CTLR_ULL_HIGH_PRIO != CONFIG_BT_CTLR_ULL_LOW_PRIO)
IRQ_CONNECT(HAL_SWI_JOB_IRQ, CONFIG_BT_CTLR_ULL_LOW_PRIO,