/*
 * @Author: shenghao.xu
 * @Date: 2023-04-17 10:51:38
 * @LastEditors: shenghao.xu
 * @LastEditTime: 2023-04-17 10:53:31
 * @Description:
 * email:545403892@qq.com
 * Copyright (c) 2023 by shenghao.xu, All Rights Reserved.
 */

#include "flow.h"

unsigned long flow_tick;

void fl_timer_set(struct flow_timer *t, unsigned long interval)
{
    t->interval = interval;
    t->start = flow_tick;
}

void fl_timer_reset(struct flow_timer *t)
{
    t->start += t->interval;
}

void fl_timer_restart(struct flow_timer *t)
{
    t->start = flow_tick;
}

unsigned char fl_timer_timeout(struct flow_timer *t)
{
    return ((flow_tick - t->start) >= t->interval) ? 1U : 0U;
}

unsigned long fl_hour_much_time(struct flow_timer *t)
{
    unsigned long time_len = t->start + t->interval;

    if (time_len >= flow_tick)
    {
        return (time_len - flow_tick);
    }
    else
    {
        return 0U;
    }
}