59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
#ifndef __DRV_TIMER_H__
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#define __DRV_TIMER_H__
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#include "bsp_common.h"
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#define TIMER_RUN_FOREVER 0
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#define TIMER_RUN_ONE_SHOT 1
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#define TIMER_ONE_SHOT (0x04)
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#define TIMER_PERIODIC (0x08)
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typedef enum {
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TIMER_TYPE_HARDWARE = (0x01), // 硬件 timer ，实时性较强，定时精度较高，占用中断时间
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TIMER_TYPE_SOFTWARE = (0x02) // 软件 timer ，实时性较差，定时精度较差，不占用中断时间
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} eTIMERTYPE;
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struct drv_timer_t {
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void (*timerCallback)(void *user_data);
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void *user_data;
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eTIMERTYPE type; // 类型 bit3:持续 bit2:单次 bit1:软件 bit0:硬件
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uint8_t start :1;
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uint8_t timeout_flag :1;
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uint8_t :0;
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uint16_t period; // 执行次数
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uint16_t period_temp; // 暂存执行次数, 用于重置
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uint32_t timeout; // 计时，单位为 ms
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uint32_t time_temp; // 计时计数
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struct drv_timer_t *next;
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};
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extern void drv_timer_start (struct drv_timer_t *timer);
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extern void drv_timer_restart (struct drv_timer_t *timer);
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extern void drv_timer_pause (struct drv_timer_t *timer);
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extern void drv_timer_detach (struct drv_timer_t *timer);
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extern void drv_timer_handler (uint8_t ms);
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extern void drv_timer_linkUserData (struct drv_timer_t *timer, void *user_data);
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extern void drv_timer_init (struct drv_timer_t *timer,
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void (*timerCallback)(void *user_data),
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uint32_t timeout,
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uint16_t period);
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#endif /* __DRV_TIMER_H__ */
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