修改timer.h
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@ -11,10 +11,6 @@
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void LED_Start(uint8_t led);
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void LED_Stop(uint8_t led);
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void LED_StartTimed(uint8_t led, uint16_t time);
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void LED_StartNTimes(uint8_t led, uint16_t on_time, uint16_t off_time);
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// duty in [0, 255]
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void LED_SetDuty(uint8_t r, uint8_t g, uint8_t b);
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@ -14,10 +14,7 @@
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#define EVENT_MAX 8
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void TIMER_Init(void);
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int8_t TIMER_AddInfiniteLoopEvent(int8_t id, void (*func)(void), uint16_t loop_time);
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int8_t TIMER_AddFiniteLoopEvent(int8_t id, void (*func)(void), uint16_t loop_time, uint16_t loop_cnt);
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int8_t TIMER_AddFiniteLoopEventWithParam(int8_t event_id, void (*func)(uint16_t param), uint16_t loop_time, uint16_t loop_cnt, uint16_t param);
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int8_t TIMER_AddDelayEvent(int8_t id, void (*func)(void), uint16_t delay_time);
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void TIMER_DelLoopEvent(int8_t id);
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void TIMER_AddLoopEvent(uint8_t type, void (*func)(void), uint16_t loop_time);
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void TIMER_DelLoopEvent(uint8_t type);
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#endif
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@ -1,35 +1,22 @@
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#include "timer.h"
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#include <math.h>
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#include "tim.h"
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typedef enum
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{
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INFINITE_LOOP_EVENT, // 无限循环事件
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FINITE_LOOP_EVENT, // 有限循环事件
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FINITE_LOOP_EVENT_WITH_PARAM,
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DELAY_EVENT // 延迟事件
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} EventType;
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#include <math.h>
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typedef struct Event
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{
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uint8_t id;
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void (*func)(void);
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void (*param_func)(uint16_t);
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uint16_t time;
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EventType type;
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uint8_t enabled;
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uint16_t loop_cnt;
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uint32_t begin_time;
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uint16_t param;
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} Event;
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static Event event[EVENT_MAX];
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static int event_cnt;
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static uint32_t current_time;
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static uint32_t time_cnt;
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static uint32_t time_lcm = 1;
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void TIMER_Count(TIM_HandleTypeDef *htim);
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uint32_t gcd(uint32_t a, uint32_t b);
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uint32_t lcm(uint32_t a, uint32_t b);
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void TIMER_Count(void);
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void TIMER_Init(void)
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{
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@ -37,124 +24,41 @@ void TIMER_Init(void)
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HAL_TIM_Base_Start_IT(&htim4);
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}
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/// @brief 注册无限循环定时回调事件
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/// @brief 注册定时回调事件
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/// @param func 回调函数 void func(void)
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/// @param loop_time 定时时间,单位毫秒
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int8_t TIMER_AddInfiniteLoopEvent(int8_t event_id, void (*func)(void), uint16_t loop_time)
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void TIMER_AddLoopEvent(uint8_t type, void (*func)(void), uint16_t loop_time)
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{
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if (event_id == -1) event_id = event_cnt++;
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event[event_id].type = INFINITE_LOOP_EVENT;
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event[event_id].id = event_id;
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event[event_id].func = func;
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event[event_id].time = loop_time;
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event[event_id].begin_time = current_time;
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event[event_id].enabled = 1;
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return event_id;
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event[type].func = func;
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event[type].time = loop_time;
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event[type].enabled = 1;
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time_lcm = lcm(time_lcm, loop_time);
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}
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/// @brief 注册有限循环定时回调事件
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/// @param func 回调函数 void func(void)
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/// @param loop_time 定时时间,单位毫秒
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/// @param loop_cnt 循环次数
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int8_t TIMER_AddFiniteLoopEventWithParam(int8_t event_id, void (*func)(uint16_t param), uint16_t loop_time, uint16_t loop_cnt, uint16_t param)
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void TIMER_DelLoopEvent(uint8_t type)
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{
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if (event_id == -1) event_id = event_cnt++;
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event[event_id].type = FINITE_LOOP_EVENT_WITH_PARAM;
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event[event_id].id = event_id;
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event[event_id].param_func = func;
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event[event_id].time = loop_time;
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event[event_id].begin_time = current_time;
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event[event_id].enabled = 1;
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event[event_id].param = param;
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event[event_id].loop_cnt = loop_cnt;
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return event_id;
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event[type].enabled = 0;
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time_lcm /= event[type].time;
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}
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int8_t TIMER_AddFiniteLoopEvent(int8_t event_id, void (*func)(void), uint16_t loop_time, uint16_t loop_cnt)
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void TIMER_Count(void)
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{
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if (event_id == -1) event_id = event_cnt++;
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event[event_id].type = FINITE_LOOP_EVENT;
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event[event_id].id = event_id;
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event[event_id].func = func;
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event[event_id].time = loop_time;
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event[event_id].begin_time = current_time;
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event[event_id].enabled = 1;
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event[event_id].loop_cnt = loop_cnt;
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return event_id;
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}
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/// @brief 注册延迟定时回调事件(单次)
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/// @param func 回调函数 void func(void)
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/// @param loop_time 定时时间,单位毫秒
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int8_t TIMER_AddDelayEvent(int8_t event_id, void (*func)(void), uint16_t delay_time)
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{
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if (event_id == -1) event_id = event_cnt++;
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event[event_id].type = DELAY_EVENT;
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event[event_id].id = event_id;
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event[event_id].func = func;
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event[event_id].time = delay_time;
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event[event_id].begin_time = current_time;
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event[event_id].enabled = 1;
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return event_id;
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}
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void TIMER_DelLoopEvent(int8_t id)
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{
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event[id].enabled = 0;
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}
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void TIMER_Count(TIM_HandleTypeDef *htim)
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{
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++current_time;
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for (uint8_t i = 0; i < event_cnt; ++i)
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{
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if (event[i].enabled == 0)
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continue;
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switch (event[i].type)
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{
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case INFINITE_LOOP_EVENT: // 无限循环事件
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if ((current_time - event[i].begin_time) % event[i].time == 0)
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{
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++time_cnt;
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for (uint8_t i = 0; i < EVENT_MAX; ++i)
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if (event[i].enabled && time_cnt % event[i].time == 0)
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event[i].func();
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}
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break;
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case FINITE_LOOP_EVENT: // 有限循环事件
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if ((current_time - event[i].begin_time) % event[i].time == 0)
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{
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event[i].func();
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if (event[i].loop_cnt-- <= 0)
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{
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TIMER_DelLoopEvent(event[i].id);
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}
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}
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break;
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case FINITE_LOOP_EVENT_WITH_PARAM:
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if ((current_time - event[i].begin_time) % event[i].time == 0)
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{
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printf("FINITE_LOOP_EVENT_WITH_PARAM %d, %d, %d\n",
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current_time, event[i].begin_time, event[i].time);
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event[i].param_func(event[i].param);
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if (--event[i].loop_cnt <= 0)
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{
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printf("remove FINITE_LOOP_EVENT_WITH_PARAM %d, %d, %d\n",
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current_time, event[i].begin_time, event[i].time);
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TIMER_DelLoopEvent(event[i].id);
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}
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}
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break;
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case DELAY_EVENT: // 延迟事件
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if (current_time > event[i].begin_time &&
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(current_time - event[i].begin_time) % event[i].time == 0)
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{
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event[i].func();
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printf("DELAY_EVENT %d, %d, %d\n",
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current_time, event[i].begin_time, event[i].time);
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TIMER_DelLoopEvent(event[i].id);
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}
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break;
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default:
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break;
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}
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}
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if (time_cnt == time_lcm)
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time_cnt = 0;
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}
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uint32_t gcd(uint32_t a, uint32_t b)
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{
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if (b == 0)
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return a;
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return gcd(b, a % b);
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}
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uint32_t lcm(uint32_t a, uint32_t b)
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{
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return a / gcd(a, b) * b;
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}
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