部分STM32型号支持时间戳功能,可以记录外部事件的发生时间。 在STM32微控制器中,实时时钟(RTC)通常有三个主要的中断,分别是秒中断(Second interrupt)、闹钟中断(Alarm interrupt)和唤醒中断(Wakeup interrupt)。以下是对这三个中断的详细介绍: 秒中断(Second interrupt) 功能描述:秒中断是RTC最基本的中断之一,它以秒...
* @brief This function handles RTC global interrupt.*/voidRTC_IRQHandler(void) {/*USER CODE BEGIN RTC_IRQn 0*//*USER CODE END RTC_IRQn 0*/HAL_RTCEx_RTCIRQHandler(&hrtc);/*USER CODE BEGIN RTC_IRQn 1*/HAL_RTCEx_BKUPWrite(&hrtc,RTC_BKP_DR2,hrtc.DateToUpdate.Year); HAL_RTCEx_BKU...
if(rtc_flag){R_RTC_CalendarTimeGet(&g_rtc0_ctrl,&get_time);//获取RTC计数时间rtc_flag=0;rtc_second=get_time.tm_sec;//秒rtc_minute=get_time.tm_min;//分rtc_hour=get_time.tm_hour;//时rtc_day=get_time.tm_mday;//日rtc_month=get_time.tm_mon;//月rtc_year=get_time.tm_year;/...
{hal_rtc_init_struct rtc_init;uint32_t time_subsecond = 0;uint8_t subsecond_ss = 0;hal_...
(&g_rtc0_ctrl, &set_time);/* Set the periodic interrupt rate to 1 second */R_RTC_PeriodicIrqRateSet(&g_rtc0_ctrl, RTC_PERIODIC_IRQ_SELECT_1_SECOND);R_RTC_CalendarAlarmSet(&g_rtc0_ctrl, &set_alarm_time);uint8_trtc_second=0;//秒uint8_trtc_minute =0;//分uint8_trtc_hour =...
function handles RTC wake-up interrupt through EXTI line 22.*/void RTC_WKUP_IRQHandler(void){HAL...
(&g_rtc0_ctrl, &set_time);/* Set the periodic interrupt rate to 1 second */R_RTC_PeriodicIrqRateSet(&g_rtc0_ctrl, RTC_PERIODIC_IRQ_SELECT_1_SECOND);R_RTC_CalendarAlarmSet(&g_rtc0_ctrl, &set_alarm_time);uint8_trtc_second=0;//秒uint8_trtc_minute =0;//分uint8_trtc_hour =...
* @brief This function handles RTC global interrupt.*/voidRTC_IRQHandler(void) {/*USER CODE BEGIN RTC_IRQn 0*//*USER CODE END RTC_IRQn 0*/HAL_RTCEx_RTCIRQHandler(&hrtc);/*USER CODE BEGIN RTC_IRQn 1*/sec_timer_flag=1;/*USER CODE END RTC_IRQn 1*/} ...
_ctrl); /* R_RTC_CalendarTimeSet must be called at least once to start the RTC */ R_RTC_CalendarTimeSet(&g_rtc0_ctrl, &set_time); /* Set the periodic interrupt rate to 1 second */ R_RTC_PeriodicIrqRateSet(&grtc0_ctrl, RTC_PERIODIC_IRQ_SELECT_1_SECOND);R_RTC_CalendarAlarm...
Carry Interrupt Priority 选择进位中断的优先级。 RTCOUT 输出引脚选择,可输出1Hz或64Hz的方波,无法在待机模式下使用。 RTCICn 输入捕获引脚选择。 需要注意的是,FSP库并未对RTC输入和输出引脚提供操作函数,故读者如果需要使用这两个功能的话,则要直接调用RTC寄存器, 由于这不是RTC的重点功能,因此这里不进行详细阐述...