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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2023-07-10 xqyjlj The first version.
* 2024-04-26 Shell Improve ipc performance
*/
#ifndef __KTIME_H__
#define __KTIME_H__
#include <stdint.h>
#include <sys/time.h>
#include <ipc/completion.h>
#include "rtthread.h"
#define RT_KTIME_RESMUL (1000000ULL)
struct rt_ktime_hrtimer
{
rt_uint8_t flag; /**< compatible to tick timer's flag */
char name[RT_NAME_MAX];
rt_list_t node;
void *parameter;
unsigned long delay_cnt;
unsigned long timeout_cnt;
rt_err_t error;
struct rt_completion completion;
void (*timeout_func)(void *parameter);
};
typedef struct rt_ktime_hrtimer *rt_ktime_hrtimer_t;
/**
* @brief Get boottime with us precision
*
* @param tv: timeval
* @return rt_err_t
*/
rt_err_t rt_ktime_boottime_get_us(struct timeval *tv);
/**
* @brief Get boottime with s precision
*
* @param t: time_t
* @return rt_err_t
*/
rt_err_t rt_ktime_boottime_get_s(time_t *t);
/**
* @brief Get boottime with ns precision
*
* @param ts: timespec
* @return rt_err_t
*/
rt_err_t rt_ktime_boottime_get_ns(struct timespec *ts);
/**
* @brief Get cputimer resolution
*
* @return (resolution * RT_KTIME_RESMUL)
*/
rt_uint64_t rt_ktime_cputimer_getres(void);
/**
* @brief Get cputimer frequency
*
* @return frequency
*/
unsigned long rt_ktime_cputimer_getfrq(void);
/**
* @brief Get cputimer the value of the cnt counter
*
* @return cnt
*/
unsigned long rt_ktime_cputimer_getcnt(void);
/**
* @brief Init cputimer
*
*/
void rt_ktime_cputimer_init(void);
/**
* @brief Get hrtimer resolution
*
* @return (resolution * RT_KTIME_RESMUL)
*/
rt_uint64_t rt_ktime_hrtimer_getres(void);
/**
* @brief Get hrtimer frequency
*
* @return frequency
*/
unsigned long rt_ktime_hrtimer_getfrq(void);
/**
* @brief set hrtimer interrupt timeout count (cnt), you should re-implemented it in hrtimer device driver
*
* @param cnt: hrtimer requires a timing cnt value
* @return rt_err_t
*/
rt_err_t rt_ktime_hrtimer_settimeout(unsigned long cnt);
/**
* @brief called in hrtimer device driver isr routinue, it will process the timeouts
*/
void rt_ktime_hrtimer_process(void);
void rt_ktime_hrtimer_init(rt_ktime_hrtimer_t timer,
const char *name,
rt_uint8_t flag,
void (*timeout)(void *parameter),
void *parameter);
rt_err_t rt_ktime_hrtimer_start(rt_ktime_hrtimer_t timer, unsigned long cnt);
rt_err_t rt_ktime_hrtimer_stop(rt_ktime_hrtimer_t timer);
rt_err_t rt_ktime_hrtimer_control(rt_ktime_hrtimer_t timer, int cmd, void *arg);
rt_err_t rt_ktime_hrtimer_detach(rt_ktime_hrtimer_t timer);
rt_inline void rt_ktime_hrtimer_keep_errno(rt_ktime_hrtimer_t timer, rt_err_t err)
{
RT_ASSERT(timer != RT_NULL);
timer->error = err;
rt_set_errno(-err);
}
void rt_ktime_hrtimer_delay_init(struct rt_ktime_hrtimer *timer);
void rt_ktime_hrtimer_delay_detach(struct rt_ktime_hrtimer *timer);
void rt_ktime_hrtimer_process(void);
/**
* @brief sleep by the cputimer cnt value
*
* @param cnt: the cputimer cnt value
* @return rt_err_t
*/
rt_err_t rt_ktime_hrtimer_sleep(struct rt_ktime_hrtimer *timer, unsigned long cnt);
/**
* @brief sleep by ns
*
* @param ns: ns
* @return rt_err_t
*/
rt_err_t rt_ktime_hrtimer_ndelay(struct rt_ktime_hrtimer *timer, unsigned long ns);
/**
* @brief sleep by us
*
* @param us: us
* @return rt_err_t
*/
rt_err_t rt_ktime_hrtimer_udelay(struct rt_ktime_hrtimer *timer, unsigned long us);
/**
* @brief sleep by ms
*
* @param ms: ms
* @return rt_err_t
*/
rt_err_t rt_ktime_hrtimer_mdelay(struct rt_ktime_hrtimer *timer, unsigned long ms);
#endif
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