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Add source code of the firmware for the IO Board

Pawel Jablonski authored on 05/06/2023 17:01:27
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fw/src/rtc.c
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+/*
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+ * Author: Pawel Jablonski
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+ * E-mail: pj@xirx.net
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+ * WWW: xirx.net
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+ * GIT: git.xirx.net
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+ *
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+ * License: You can use this code however you like
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+ * but leave information about the original author.
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+ * Code is free for non-commercial and commercial use.
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+ */
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+
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+#include <stm32f0xx.h>
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+#include <stm32f0xx_hal.h>
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+#include <stm32f0xx_hal_gpio.h>
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+#include <stm32f0xx_hal_rtc.h>
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+#include <stm32f0xx_hal_rcc.h>
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+#include <system_stm32f0xx.h>
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+
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+#include "rtc.h"
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+
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+static RTC_HandleTypeDef rtcHandle; //!< RTC HAL handle
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+
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+//! Init RTC and set up the RTC HAL handle
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+void rtcInit(void)
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+{
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+	__HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSE);
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+	__HAL_RCC_RTC_ENABLE();
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+
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+	rtcHandle.Init.HourFormat = RTC_HOURFORMAT_24;
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+	rtcHandle.Init.AsynchPrediv = 127;
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+	rtcHandle.Init.SynchPrediv = 255;
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+	rtcHandle.Init.OutPut = RTC_OUTPUT_DISABLE;
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+	rtcHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
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+	rtcHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
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+	rtcHandle.Instance = RTC;
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+
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+	HAL_RTC_Init(&rtcHandle);
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+}
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+
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+/**
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+ * Set date and time
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+ *
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+ * @param dateTime Date and time to set
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+ */
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+void rtcSetDateTime(struct RTCDateTime dateTime)
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+{
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+	RTC_TimeTypeDef rtcTime = {0};
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+	RTC_DateTypeDef rtcDate = {0};
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+
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+	rtcTime.Hours = dateTime.hour;
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+	rtcTime.Minutes = dateTime.minute;
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+	rtcTime.Seconds = dateTime.second;
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+	rtcTime.TimeFormat = RTC_HOURFORMAT_24;
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+	rtcTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
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+	rtcTime.StoreOperation = RTC_STOREOPERATION_RESET;
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+
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+	rtcDate.Year = dateTime.year;
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+	rtcDate.Month = dateTime.month;
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+	rtcDate.Date = dateTime.day;
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+
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+	HAL_RTC_SetTime(&rtcHandle, &rtcTime, RTC_FORMAT_BIN);
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+	HAL_RTC_SetDate(&rtcHandle, &rtcDate, RTC_FORMAT_BIN);
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+}
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+
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+/**
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+ * Get date and time
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+ *
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+ * @return Date and time
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+ */
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+struct RTCDateTime rtcGetDateTime(void)
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+{
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+	RTC_TimeTypeDef rtcTime = {0};
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+	RTC_DateTypeDef rtcDate = {0};
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+
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+	HAL_RTC_GetTime(&rtcHandle, &rtcTime, RTC_FORMAT_BIN);
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+	HAL_RTC_GetDate(&rtcHandle, &rtcDate, RTC_FORMAT_BIN);
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+
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+	struct RTCDateTime dateTime;
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+
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+	dateTime.hour = rtcTime.Hours;
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+	dateTime.minute = rtcTime.Minutes;
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+	dateTime.second = rtcTime.Seconds;
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+
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+	dateTime.year = rtcDate.Year;
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+	dateTime.month = rtcDate.Month;
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+	dateTime.day = rtcDate.Date;
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+
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+	return(dateTime);
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+}