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97 lines
2.3 KiB
97 lines
2.3 KiB
#include "rtc.h"
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#include "main.h"
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RTC_HandleTypeDef hrtc;
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static uint8_t light = 0;
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void RTC_CLK_Config(void)
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{
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__HAL_RCC_PWR_CLK_ENABLE();
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//HAL_PWR_EnableBkUpAccess();
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hrtc.Instance = RTC;
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hrtc.Init.HourFormat = RTC_HOURFORMAT_24;
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hrtc.Init.AsynchPrediv = 127;
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hrtc.Init.SynchPrediv = 255;
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hrtc.Init.OutPut = RTC_OUTPUT_DISABLE;
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hrtc.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
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hrtc.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
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if (HAL_RTC_Init(&hrtc) != HAL_OK)
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{
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Error_Handler();
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}
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//开启周期中断
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if (HAL_RTCEx_SetWakeUpTimer_IT(&hrtc, 0, RTC_WAKEUPCLOCK_CK_SPRE_16BITS) != HAL_OK)
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{
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Error_Handler();
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}
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}
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void RTC_TimeAndDate_Set(void)
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{
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RTC_TimeTypeDef sTime = {0};
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RTC_DateTypeDef sDate = {0};
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sTime.Hours = HOURS;
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sTime.Minutes = MINUTES;
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sTime.Seconds = SECONDS;
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sTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
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sTime.StoreOperation = RTC_STOREOPERATION_RESET;
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if (HAL_RTC_SetTime(&hrtc, &sTime, RTC_FORMAT_BCD) != HAL_OK)
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{
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Error_Handler();
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}
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sDate.WeekDay = RTC_WEEKDAY_MONDAY;
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sDate.Month = RTC_MONTH_JANUARY;
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sDate.Date = DATE;
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sDate.Year = YEAR;
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if (HAL_RTC_SetDate(&hrtc, &sDate, RTC_FORMAT_BCD) != HAL_OK)
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{
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Error_Handler();
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}
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HAL_RTCEx_BKUPWrite(&hrtc,RTC_BKP_DRX, RTC_BKP_DATA);
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}
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void RTC_AlarmSet(void)
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{
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/** Enable the Alarm A
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*/
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RTC_AlarmTypeDef sAlarm = {0};
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sAlarm.AlarmTime.Hours = 0x0;
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sAlarm.AlarmTime.Minutes = 0x0;
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sAlarm.AlarmTime.Seconds = 0x0;
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sAlarm.AlarmTime.SubSeconds = 0x0;
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sAlarm.AlarmTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
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sAlarm.AlarmTime.StoreOperation = RTC_STOREOPERATION_RESET;
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sAlarm.AlarmMask = RTC_ALARMMASK_DATEWEEKDAY|RTC_ALARMMASK_HOURS;
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sAlarm.AlarmSubSecondMask = RTC_ALARMSUBSECONDMASK_ALL;
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sAlarm.AlarmDateWeekDaySel = RTC_ALARMDATEWEEKDAYSEL_DATE;
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sAlarm.AlarmDateWeekDay = 0x1;
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sAlarm.Alarm = RTC_ALARM_A;
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if (HAL_RTC_SetAlarm_IT(&hrtc, &sAlarm, RTC_FORMAT_BCD) != HAL_OK)
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{
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Error_Handler();
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}
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/** Enable the WakeUp
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*/
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if (HAL_RTCEx_SetWakeUpTimer(&hrtc, 0, RTC_WAKEUPCLOCK_CK_SPRE_16BITS) != HAL_OK)
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{
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Error_Handler();
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}
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}
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//周期唤醒回调函数 1s
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void HAL_RTCEx_WakeUpTimerEventCallback(RTC_HandleTypeDef *hrtc)
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{
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light = !light;
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HAL_GPIO_WritePin(GPIOE, GPIO_PIN_2,!light);
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}
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