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ztimer: don't interact with pm_layered if ztimer_ondemand is used

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This commit is contained in:
Jue 2022-02-02 17:31:28 +01:00
parent ccbb304eae
commit 904dc0131f
6 changed files with 19 additions and 12 deletions
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5
sys/include/ztimer.h
View File

@ -379,8 +379,9 @@ struct ztimer_clock {
uint32_t lower_last; /**< timer value at last now() call */
ztimer_now_t checkpoint; /**< cumulated time at last now() call */
#endif
#if MODULE_PM_LAYERED || DOXYGEN
uint8_t block_pm_mode; /**< min. pm mode to block for the clock to run */
#if MODULE_PM_LAYERED && !MODULE_ZTIMER_ONDEMAND || DOXYGEN
uint8_t block_pm_mode; /**< min. pm mode to block for the clock to run
don't use in combination with ztimer_ondemand! */
#endif
};

6
sys/ztimer/Kconfig
View File

@ -228,6 +228,12 @@ config MODULE_ZTIMER_MOCK
manually fired to simulate different scenarios and test the ztimer
implementation using this as a backing timer.
config MODULE_ZTIMER_ONDEMAND
bool "Run ztimer clocks only on demand"
help
This ztimer extensions keeps track of ztimer users and may disable
underlying peripherals if not users are requiring a ztimer clock.
config MODULE_ZTIMER_INIT
bool

2
sys/ztimer/convert.c
View File

@ -46,7 +46,7 @@ void ztimer_convert_init(ztimer_convert_t *ztimer_convert,
.arg = ztimer_convert,
},
.super.max_value = max_value,
# ifdef MODULE_PM_LAYERED
# if MODULE_PM_LAYERED && !MODULE_ZTIMER_ONDEMAND
.super.block_pm_mode = ZTIMER_CLOCK_NO_REQUIRED_PM_MODE,
# endif
};

2
sys/ztimer/convert_frac.c
View File

@ -111,7 +111,7 @@ void ztimer_convert_frac_init(ztimer_convert_frac_t *self,
self->round = freq_self / freq_lower;
self->super.super.max_value = UINT32_MAX;
}
#ifdef MODULE_PM_LAYERED
#if MODULE_PM_LAYERED && !MODULE_ZTIMER_ONDEMAND
self->super.super.block_pm_mode = ZTIMER_CLOCK_NO_REQUIRED_PM_MODE;
#endif
}

8
sys/ztimer/core.c
View File

@ -28,7 +28,7 @@
#include "kernel_defines.h"
#include "irq.h"
#ifdef MODULE_PM_LAYERED
#if MODULE_PM_LAYERED && !MODULE_ZTIMER_ONDEMAND
#include "pm_layered.h"
#endif
#include "ztimer.h"
@ -127,7 +127,7 @@ static void _add_entry_to_list(ztimer_clock_t *clock, ztimer_base_t *entry)
ztimer_base_t *list = &clock->list;
#ifdef MODULE_PM_LAYERED
#if MODULE_PM_LAYERED && !MODULE_ZTIMER_ONDEMAND
/* First timer on the clock's linked list */
if (list->next == NULL &&
clock->block_pm_mode != ZTIMER_CLOCK_NO_REQUIRED_PM_MODE) {
@ -266,7 +266,7 @@ static bool _del_entry_from_list(ztimer_clock_t *clock, ztimer_base_t *entry)
list = list->next;
}
#ifdef MODULE_PM_LAYERED
#if MODULE_PM_LAYERED && !MODULE_ZTIMER_ONDEMAND
/* The last timer just got removed from the clock's linked list */
if (clock->list.next == NULL &&
clock->block_pm_mode != ZTIMER_CLOCK_NO_REQUIRED_PM_MODE) {
@ -286,7 +286,7 @@ static ztimer_t *_now_next(ztimer_clock_t *clock)
if (!entry->next) {
/* The last timer just got removed from the clock's linked list */
clock->last = NULL;
#ifdef MODULE_PM_LAYERED
#if MODULE_PM_LAYERED && !MODULE_ZTIMER_ONDEMAND
if (clock->block_pm_mode != ZTIMER_CLOCK_NO_REQUIRED_PM_MODE) {
pm_unblock(clock->block_pm_mode);
}

8
sys/ztimer/init.c
View File

@ -292,7 +292,7 @@ void ztimer_init(void)
CONFIG_ZTIMER_USEC_WIDTH);
ztimer_periph_timer_init(&ZTIMER_TIMER, CONFIG_ZTIMER_USEC_DEV,
ZTIMER_TIMER_FREQ, WIDTH_TO_MAXVAL(CONFIG_ZTIMER_USEC_WIDTH));
# ifdef MODULE_PM_LAYERED
# if MODULE_PM_LAYERED && !MODULE_ZTIMER_ONDEMAND
LOG_DEBUG("ztimer_init(): ZTIMER_TIMER setting block_pm_mode to %i\n",
CONFIG_ZTIMER_TIMER_BLOCK_PM_MODE);
ZTIMER_TIMER_CLK.block_pm_mode = CONFIG_ZTIMER_TIMER_BLOCK_PM_MODE;
@ -306,7 +306,7 @@ void ztimer_init(void)
CONFIG_ZTIMER_LPTIMER_WIDTH);
ztimer_periph_timer_init(&ZTIMER_LPTIMER, CONFIG_ZTIMER_LPTIMER_DEV,
ZTIMER_LPTIMER_FREQ, WIDTH_TO_MAXVAL(CONFIG_ZTIMER_LPTIMER_WIDTH));
# ifdef MODULE_PM_LAYERED
# if MODULE_PM_LAYERED && !MODULE_ZTIMER_ONDEMAND
LOG_DEBUG("ztimer_init(): ZTIMER_LPTIMER setting block_pm_mode to %i\n",
CONFIG_ZTIMER_LPTIMER_BLOCK_PM_MODE);
ZTIMER_LPTIMER_CLK.block_pm_mode = CONFIG_ZTIMER_LPTIMER_BLOCK_PM_MODE;
@ -316,7 +316,7 @@ void ztimer_init(void)
#if INIT_ZTIMER_RTT
LOG_DEBUG("ztimer_init(): initializing rtt\n");
ztimer_periph_rtt_init(&ZTIMER_RTT);
# ifdef MODULE_PM_LAYERED
# if MODULE_PM_LAYERED && !MODULE_ZTIMER_ONDEMAND
LOG_DEBUG("ztimer_init(): ZTIMER_RTT setting block_pm_mode to %i\n",
CONFIG_ZTIMER_RTT_BLOCK_PM_MODE);
ZTIMER_RTT_CLK.block_pm_mode = CONFIG_ZTIMER_RTT_BLOCK_PM_MODE;
@ -326,7 +326,7 @@ void ztimer_init(void)
#if INIT_ZTIMER_RTC
LOG_DEBUG("ztimer_init(): initializing rtc\n");
ztimer_periph_rtc_init(&ZTIMER_RTC);
# ifdef MODULE_PM_LAYERED
# if MODULE_PM_LAYERED && !MODULE_ZTIMER_ONDEMAND
LOG_DEBUG("ztimer_init(): ZTIMER_RTC setting block_pm_mode to %i\n",
CONFIG_ZTIMER_RTC_BLOCK_PM_MODE);
ZTIMER_RTC_CLK.block_pm_mode = CONFIG_ZTIMER_RTC_BLOCK_PM_MODE;