175 lines
3.8 KiB
C
Executable File
175 lines
3.8 KiB
C
Executable File
/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2023-07-10 xqyjlj The first version.
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*/
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#ifndef __KTIME_H__
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#define __KTIME_H__
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#include <stdint.h>
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#include <sys/time.h>
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#include "rtthread.h"
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#define RT_KTIME_RESMUL (1000000UL)
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struct rt_ktime_hrtimer
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{
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struct rt_object parent; /**< inherit from rt_object */
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rt_list_t row;
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void *parameter;
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unsigned long init_cnt;
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unsigned long timeout_cnt;
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rt_err_t error;
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struct rt_semaphore sem;
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void (*timeout_func)(void *parameter);
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};
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typedef struct rt_ktime_hrtimer *rt_ktime_hrtimer_t;
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/**
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* @brief Get boottime with us precision
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*
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* @param tv: timeval
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* @return rt_err_t
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*/
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rt_err_t rt_ktime_boottime_get_us(struct timeval *tv);
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/**
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* @brief Get boottime with s precision
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*
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* @param t: time_t
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* @return rt_err_t
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*/
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rt_err_t rt_ktime_boottime_get_s(time_t *t);
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/**
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* @brief Get boottime with ns precision
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*
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* @param ts: timespec
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* @return rt_err_t
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*/
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rt_err_t rt_ktime_boottime_get_ns(struct timespec *ts);
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/**
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* @brief Get cputimer resolution
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*
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* @return (resolution * RT_KTIME_RESMUL)
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*/
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unsigned long rt_ktime_cputimer_getres(void);
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/**
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* @brief Get cputimer frequency
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*
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* @return frequency
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*/
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unsigned long rt_ktime_cputimer_getfrq(void);
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/**
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* @brief Get cputimer the value of the cnt counter
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*
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* @return cnt
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*/
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unsigned long rt_ktime_cputimer_getcnt(void);
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/**
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* @brief Get cputimer the cnt value corresponding to 1 os tick
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*
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* @return step
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*/
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unsigned long rt_ktime_cputimer_getstep(void);
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/**
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* @brief Init cputimer
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*
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*/
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void rt_ktime_cputimer_init(void);
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/**
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* @brief Get hrtimer resolution
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*
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* @return (resolution * RT_KTIME_RESMUL)
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*/
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unsigned long rt_ktime_hrtimer_getres(void);
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/**
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* @brief Get hrtimer frequency
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*
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* @return frequency
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*/
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unsigned long rt_ktime_hrtimer_getfrq(void);
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/**
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* @brief Get hrtimer the value of the cnt counter
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*
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* @return cnt
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*/
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unsigned long rt_ktime_hrtimer_getcnt(void);
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/**
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* @brief set hrtimer timeout, when timeout, the timer callback will call timeout
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*
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* @param cnt: hrtimer requires a timing cnt value
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* @param timeout: timeout callback
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* @param param: parameter
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* @return rt_err_t
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*/
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rt_err_t rt_ktime_hrtimer_settimeout(unsigned long cnt, void (*timeout)(void *param), void *param);
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void rt_ktime_hrtimer_init(rt_ktime_hrtimer_t timer,
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const char *name,
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unsigned long cnt,
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rt_uint8_t flag,
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void (*timeout)(void *parameter),
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void *parameter);
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rt_err_t rt_ktime_hrtimer_start(rt_ktime_hrtimer_t timer);
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rt_err_t rt_ktime_hrtimer_stop(rt_ktime_hrtimer_t timer);
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rt_err_t rt_ktime_hrtimer_control(rt_ktime_hrtimer_t timer, int cmd, void *arg);
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rt_err_t rt_ktime_hrtimer_detach(rt_ktime_hrtimer_t timer);
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rt_inline void rt_ktime_hrtimer_keep_errno(rt_ktime_hrtimer_t timer, rt_err_t err)
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{
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RT_ASSERT(timer != RT_NULL);
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timer->error = err;
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rt_set_errno(-err);
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}
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/**
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* @brief sleep by the cputimer cnt value
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*
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* @param cnt: the cputimer cnt value
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* @return rt_err_t
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*/
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rt_err_t rt_ktime_hrtimer_sleep(unsigned long cnt);
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/**
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* @brief sleep by ns
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*
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* @param ns: ns
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* @return rt_err_t
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*/
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rt_err_t rt_ktime_hrtimer_ndelay(unsigned long ns);
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/**
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* @brief sleep by us
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*
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* @param us: us
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* @return rt_err_t
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*/
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rt_err_t rt_ktime_hrtimer_udelay(unsigned long us);
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/**
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* @brief sleep by ms
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*
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* @param ms: ms
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* @return rt_err_t
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*/
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rt_err_t rt_ktime_hrtimer_mdelay(unsigned long ms);
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#endif
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