60 lines
1.1 KiB
C
60 lines
1.1 KiB
C
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#include "checkTime.h"
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typedef struct _timeData {
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/* 程序执行前的时间 */
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uint32_t time_ms1;
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uint16_t time_tick1;
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/* 程序执行完的时间 */
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uint32_t time_ms2;
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uint16_t time_tick2;
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/* 程序执行所用的时间（ms） */
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float time_s;
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}timeData;
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static timeData checkTimeData;
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volatile static uint32_t hw_sys_tick_ms = 0; //ms 自增计数变量
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#define tim TIM15
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#define timLard 36000.0
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/**
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* hw_inc_tick函数
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*
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* 本函数用于递增硬件系统的毫秒计时器hw_sys_tick_ms。
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* 每次调用此函数，hw_sys_tick_ms将增加1。
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*
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* 注意：此函数没有输入参数和返回值。
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*/
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void hw_inc_tick(void)
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{
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++hw_sys_tick_ms;
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}
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void checkTimeInit(void)
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{
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checkTimeData.time_ms1 = hw_sys_tick_ms;
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checkTimeData.time_tick1 = tim->CNT;
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}
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float getCheckTime(void)
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{
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checkTimeData.time_ms2 = hw_sys_tick_ms;
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checkTimeData.time_tick2 = tim->CNT;
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checkTimeData.time_s = checkTimeData.time_ms2 - checkTimeData.time_ms1
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+ (checkTimeData.time_tick2 - checkTimeData.time_tick1) / timLard;
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return checkTimeData.time_s;
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}
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