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77 lines
2.0 KiB
C
77 lines
2.0 KiB
C
/*
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* Copyright (c) 2016 Zibin Zheng <znbin@qq.com>
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* All rights reserved
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*/
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#ifndef _MULTI_TIMER_H_
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#define _MULTI_TIMER_H_
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#include <stdint.h>
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#include <stddef.h>
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/*
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It means 1 tick for 1ms.
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Your can configurate for your tick time such as 5ms/10ms and so on.
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*/
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#define CFG_TIMER_1_TICK_N_MS 1
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typedef struct Timer {
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uint32_t cur_ticks; /* Record current timer start tick */
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uint32_t cur_expired_time; /* Record current timer expired time */
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uint32_t timeout; /* Delay (xx ms) time to start timer */
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uint32_t repeat; /* Timer interval expired time (xx ms) */
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void * arg; /* Input argument for timeout_cb function */
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void (*timeout_cb)(void *arg); /* Timer expired callback function */
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struct Timer* next; /* Pointer to next timer */
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} Timer;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Initializes the timer struct handle.
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* @param handle: the timer handle struct.
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* @param timeout_cb: timeout callback.
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* @param timeout: delay to start the timer.
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* @param repeat: repeat interval time.
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* @param arg: the input argument for timeout_cb fucntion.
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* @retval None
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*/
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void timer_init(struct Timer* handle, void(*timeout_cb)(void *arg), \
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uint32_t timeout, uint32_t repeat, void *arg);
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/**
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* @brief Start the timer work, add the handle into work list.
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* @param handle: target handle struct.
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* @retval 0: succeed. -1: already exist.
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*/
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int timer_start(struct Timer* handle);
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/**
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* @brief Stop the timer work, remove the handle off work list.
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* @param handle: target handle struct.
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* @retval 0: succeed. -1: timer not exist.
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*/
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int timer_stop(struct Timer* handle);
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/**
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* @brief background ticks, timer repeat invoking interval nms.
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* @param None.
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* @retval None
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*/
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void timer_ticks(void);
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/**
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* @brief main loop.
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* @param None.
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* @retval None
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*/
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void timer_loop(void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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