11#include "hardware/timer.h"
33#ifndef PARAM_ASSERTIONS_ENABLED_TIME
34#define PARAM_ASSERTIONS_ENABLED_TIME 0
38#ifndef PICO_TIME_SLEEP_OVERHEAD_ADJUST_US
39#define PICO_TIME_SLEEP_OVERHEAD_ADJUST_US 6
67static inline uint32_t us_to_ms(uint64_t us) {
69 return (uint32_t)(us / 1000u);
71 return ((uint32_t)us) / 1000u;
97 uint64_t delayed = base + us;
99 delayed = (uint64_t)-1;
115 uint64_t delayed = base + ms * 1000ull;
116 if (delayed < base) {
117 delayed = (uint64_t)-1;
284#ifndef PICO_TIME_DEFAULT_ALARM_POOL_DISABLED
297#define PICO_TIME_DEFAULT_ALARM_POOL_DISABLED 0
301#ifndef PICO_TIME_DEFAULT_ALARM_POOL_HARDWARE_ALARM_NUM
307#define PICO_TIME_DEFAULT_ALARM_POOL_HARDWARE_ALARM_NUM 3
311#ifndef PICO_TIME_DEFAULT_ALARM_POOL_MAX_TIMERS
320#define PICO_TIME_DEFAULT_ALARM_POOL_MAX_TIMERS 16
357#if !PICO_TIME_DEFAULT_ALARM_POOL_DISABLED
493#if !PICO_TIME_DEFAULT_ALARM_POOL_DISABLED
659#if !PICO_TIME_DEFAULT_ALARM_POOL_DISABLED
bool alarm_pool_cancel_alarm(alarm_pool_t *pool, alarm_id_t alarm_id)
Cancel an alarm.
Definition: time.c:261
static alarm_id_t alarm_pool_add_alarm_in_us(alarm_pool_t *pool, uint64_t us, alarm_callback_t callback, void *user_data, bool fire_if_past)
Add an alarm callback to be called after a delay specified in microseconds.
Definition: time.h:452
alarm_pool_t * alarm_pool_create(uint hardware_alarm_num, uint max_timers)
Create an alarm pool.
Definition: time.c:178
uint alarm_pool_hardware_alarm_num(alarm_pool_t *pool)
Return the hardware alarm used by an alarm pool.
Definition: time.c:285
alarm_pool_t * alarm_pool_get_default(void)
The default alarm pool used when alarms are added without specifying an alarm pool,...
Definition: time.c:91
static alarm_id_t add_alarm_in_us(uint64_t us, alarm_callback_t callback, void *user_data, bool fire_if_past)
Add an alarm callback to be called after a delay specified in microseconds.
Definition: time.h:542
static alarm_id_t alarm_pool_add_alarm_in_ms(alarm_pool_t *pool, uint32_t ms, alarm_callback_t callback, void *user_data, bool fire_if_past)
Add an alarm callback to be called after a delay specified in milliseconds.
Definition: time.h:479
static alarm_id_t add_alarm_in_ms(uint32_t ms, alarm_callback_t callback, void *user_data, bool fire_if_past)
Add an alarm callback to be called after a delay specified in milliseconds.
Definition: time.h:568
int32_t alarm_id_t
The identifier for an alarm.
Definition: time.h:336
void alarm_pool_init_default(void)
Create the default alarm pool (if not already created or disabled)
Definition: time.c:77
alarm_id_t alarm_pool_add_alarm_at(alarm_pool_t *pool, absolute_time_t time, alarm_callback_t callback, void *user_data, bool fire_if_past)
Add an alarm callback to be called at a specific time.
Definition: time.c:214
int64_t(* alarm_callback_t)(alarm_id_t id, void *user_data)
User alarm callback.
Definition: time.h:347
void alarm_pool_destroy(alarm_pool_t *pool)
Destroy the alarm pool, cancelling all alarms and freeing up the underlying hardware alarm.
Definition: time.c:196
static alarm_id_t add_alarm_at(absolute_time_t time, alarm_callback_t callback, void *user_data, bool fire_if_past)
Add an alarm callback to be called at a specific time.
Definition: time.h:516
static bool cancel_alarm(alarm_id_t alarm_id)
Cancel an alarm from the default alarm pool.
Definition: time.h:578
uint64_t PICO_WEAK_FUNCTION_IMPL_NAME() time_us_64()
Return the current 64 bit timestamp value in microseconds.
Definition: timer.c:33
static bool add_repeating_timer_ms(int32_t delay_ms, repeating_timer_callback_t callback, void *user_data, repeating_timer_t *out)
Add a repeating timer that is called repeatedly at the specified interval in milliseconds.
Definition: time.h:698
bool(* repeating_timer_callback_t)(repeating_timer_t *rt)
Callback for a repeating timer.
Definition: time.h:602
bool alarm_pool_add_repeating_timer_us(alarm_pool_t *pool, int64_t delay_us, repeating_timer_callback_t callback, void *user_data, repeating_timer_t *out)
Add a repeating timer that is called repeatedly at the specified interval in microseconds.
Definition: time.c:309
static bool add_repeating_timer_us(int64_t delay_us, repeating_timer_callback_t callback, void *user_data, repeating_timer_t *out)
Add a repeating timer that is called repeatedly at the specified interval in microseconds.
Definition: time.h:677
bool cancel_repeating_timer(repeating_timer_t *timer)
Cancel a repeating timer.
Definition: time.c:322
static bool alarm_pool_add_repeating_timer_ms(alarm_pool_t *pool, int32_t delay_ms, repeating_timer_callback_t callback, void *user_data, repeating_timer_t *out)
Add a repeating timer that is called repeatedly at the specified interval in milliseconds.
Definition: time.h:655
void sleep_until(absolute_time_t target)
Wait until after the given timestamp to return.
Definition: time.c:345
void sleep_ms(uint32_t ms)
Wait for the given number of milliseconds before returning.
Definition: time.c:392
bool best_effort_wfe_or_timeout(absolute_time_t timeout_timestamp)
Helper method for blocking on a timeout.
Definition: time.c:396
void sleep_us(uint64_t us)
Wait for the given number of microseconds before returning.
Definition: time.c:375
static bool is_nil_time(absolute_time_t t)
Determine if the given timestamp is nil.
Definition: time.h:176
static uint64_t to_us_since_boot(absolute_time_t t)
convert an absolute_time_t into a number of microseconds since boot.
Definition: types.h:44
static int64_t absolute_time_diff_us(absolute_time_t from, absolute_time_t to)
Return the difference in microseconds between two timestamps.
Definition: time.h:154
static absolute_time_t get_absolute_time(void)
Return a representation of the current time.
Definition: time.h:61
static absolute_time_t make_timeout_time_us(uint64_t us)
Convenience method to get the timestamp a number of microseconds from the current time.
Definition: time.h:129
static absolute_time_t delayed_by_us(const absolute_time_t t, uint64_t us)
Return a timestamp value obtained by adding a number of microseconds to another timestamp.
Definition: time.h:94
static absolute_time_t delayed_by_ms(const absolute_time_t t, uint32_t ms)
Return a timestamp value obtained by adding a number of milliseconds to another timestamp.
Definition: time.h:112
const absolute_time_t nil_time
The timestamp representing a null timestamp.
static absolute_time_t make_timeout_time_ms(uint32_t ms)
Convenience method to get the timestamp a number of milliseconds from the current time.
Definition: time.h:139
static uint32_t to_ms_since_boot(absolute_time_t t)
Convert a timestamp into a number of milliseconds since boot.
Definition: time.h:82
const absolute_time_t at_the_end_of_time
The timestamp representing the end of time; this is actually not the maximum possible timestamp,...
static void update_us_since_boot(absolute_time_t *t, uint64_t us_since_boot)
update an absolute_time_t value to represent a given number of microseconds since boot
Definition: types.h:59
Information about a repeating timer.
Definition: time.h:609