From 97eec3849b4ba9696393a6e5d8f9980a7c6bee11 Mon Sep 17 00:00:00 2001
From: cfif <cham-zod@mail.ru>
Date: Fri, 16 Jan 2026 12:58:16 +0300
Subject: [PATCH] =?UTF-8?q?=D0=9E=D0=B1=D0=BD=D0=BE=D0=B2=D0=BB=D0=B5?=
 =?UTF-8?q?=D0=BD=D0=B8=D0=B5?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Src/RtcFC7240.c | 75 ++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 74 insertions(+), 1 deletion(-)

diff --git a/Src/RtcFC7240.c b/Src/RtcFC7240.c
index f4837cb..652c049 100644
--- a/Src/RtcFC7240.c
+++ b/Src/RtcFC7240.c
@@ -78,7 +78,7 @@ static bool RTC_CheckTimeDate(const RTC_TimeDate * const pTimeDate)
     }
     return bCheckReturn;
 }
-
+/*
 static void RTC_TimeDate_To_Second(RTC_TimeDate * const pTimeDate, uint32_t u32Second)
 {
     uint32_t u32CountDays;
@@ -122,6 +122,7 @@ static void RTC_TimeDate_To_Second(RTC_TimeDate * const pTimeDate, uint32_t u32S
     }
 }
 
+
 static uint32_t RTC_Second_To_TimeDate(const RTC_TimeDate * const pTimeDate)
 {
     uint32_t u32Second;
@@ -151,6 +152,78 @@ static uint32_t RTC_Second_To_TimeDate(const RTC_TimeDate * const pTimeDate)
 
     return u32Second;
 }
+ */
+static void RTC_TimeDate_To_Second(RTC_TimeDate * const pTimeDate, uint32_t u32Second)
+{
+    uint32_t u32CountDays;
+    uint32_t u32TempCount;
+
+    u32CountDays = u32Second / SECONDS_DAY;
+    u32TempCount = u32Second % SECONDS_DAY;
+
+    pTimeDate->u8Hour = (uint8_t)(u32TempCount / SECONDS_HOUR);
+    u32TempCount = u32TempCount % SECONDS_HOUR;
+
+    pTimeDate->u8Minute = (uint8_t)(u32TempCount / SECONDS_MINUTE);
+    pTimeDate->u8Second = (uint8_t)(u32TempCount % SECONDS_MINUTE);
+
+    pTimeDate->u16Year = (uint16_t)START_YEAR;
+
+    // Вычисляем год
+    uint32_t u32DaysInYear = DAYS_COM_YEAR;
+    while (u32CountDays >= u32DaysInYear)
+    {
+        pTimeDate->u16Year++;
+        u32CountDays -= u32DaysInYear;
+        u32DaysInYear = RTC_IsLeapYear(pTimeDate->u16Year) ? DAYS_LEAP_YEAR : DAYS_COM_YEAR;
+    }
+
+    // u32CountDays теперь содержит день года (0-364/365)
+    // Преобразуем в месяц и день
+    const uint8_t* pMonthDays = RTC_IsLeapYear(pTimeDate->u16Year) ? LeapYear : ComYear;
+    uint32_t u32DayOfYear = u32CountDays + 1; // День года (1-366)
+
+    for (uint8_t u8TempMonth = 1; u8TempMonth <= 12; u8TempMonth++)
+    {
+        uint32_t u32DaysInMonth = pMonthDays[u8TempMonth];
+        if (u32DayOfYear <= u32DaysInMonth)
+        {
+            pTimeDate->u8Month = u8TempMonth;
+            pTimeDate->u8Day = (uint8_t)u32DayOfYear;
+            break;
+        }
+        else
+        {
+            u32DayOfYear -= u32DaysInMonth;
+        }
+    }
+}
+
+static uint32_t RTC_Second_To_TimeDate(const RTC_TimeDate * const pTimeDate)
+{
+    uint32_t u32Second = 0;
+
+    // Считаем дни за полные годы с 1970
+    for (uint16_t u16Year = START_YEAR; u16Year < pTimeDate->u16Year; u16Year++)
+    {
+        u32Second += RTC_IsLeapYear(u16Year) ? DAYS_LEAP_YEAR * SECONDS_DAY : DAYS_COM_YEAR * SECONDS_DAY;
+    }
+
+    // Считаем дни за полные месяцы в текущем году
+    const uint8_t* pMonthDays = RTC_IsLeapYear(pTimeDate->u16Year) ? LeapYear : ComYear;
+    for (uint8_t u8Month = 1; u8Month < pTimeDate->u8Month; u8Month++)
+    {
+        u32Second += pMonthDays[u8Month] * SECONDS_DAY;
+    }
+
+    // Считаем дни, часы, минуты, секунды
+    u32Second += ((uint32_t)(pTimeDate->u8Day - 1) * SECONDS_DAY) +
+                 ((uint32_t)pTimeDate->u8Hour * SECONDS_HOUR) +
+                 ((uint32_t)pTimeDate->u8Minute * SECONDS_MINUTE) +
+                 ((uint32_t)pTimeDate->u8Second);
+
+    return u32Second;
+}
 
 /**
  * @brief Set time and date