--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Small_CPU/Src/rtc.c	Sat Apr 28 11:52:34 2018 +0200
@@ -0,0 +1,206 @@
+/**
+  ******************************************************************************
+  * @file    rtc.c 
+  * @author  heinrichs weikamp gmbh
+  * @version V0.0.1
+  * @date    10-Oct-2014
+  * @brief   Source code for rtc control
+  *           
+  @verbatim                 
+  ============================================================================== 
+                        ##### How to use #####
+  ============================================================================== 
+  @endverbatim
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2015 heinrichs weikamp</center></h2>
+  *
+  ******************************************************************************
+  */ 
+/* Includes ------------------------------------------------------------------*/
+#include "rtc.h"
+#include "stm32f4xx_hal.h"
+#include "stm32f4xx_hal_conf.h"
+#include "baseCPU2.h"
+
+RTC_HandleTypeDef RTCHandle;
+
+static void RTC_Error_Handler(void);
+
+
+void RTC_SetTime(RTC_TimeTypeDef stimestructure)
+{
+
+	stimestructure.SubSeconds = 0;
+  stimestructure.TimeFormat = RTC_HOURFORMAT12_AM;
+  stimestructure.DayLightSaving = RTC_DAYLIGHTSAVING_NONE ;
+  stimestructure.StoreOperation = RTC_STOREOPERATION_RESET;
+
+  if(HAL_RTC_SetTime(&RTCHandle, &stimestructure, FORMAT_BIN) != HAL_OK)
+  {
+    RTC_Error_Handler(); 
+  }
+}
+
+
+void RTC_SetDate(RTC_DateTypeDef sdatestructure)
+{
+  if(HAL_RTC_SetDate(&RTCHandle, &sdatestructure, FORMAT_BIN) != HAL_OK)
+  {
+    RTC_Error_Handler(); 
+  }
+}
+
+
+/*
+static void RTC_CalendarConfig(void)
+{
+  RTC_DateTypeDef sdatestructure;
+  RTC_TimeTypeDef stimestructure;
+
+  //##-1- Configure the Date #################################################
+  // Set Date: Monday April 14th 2014 
+  sdatestructure.Year = 0;
+  sdatestructure.Month = RTC_MONTH_JANUARY;
+  sdatestructure.Date = 1;
+  sdatestructure.WeekDay = RTC_WEEKDAY_MONDAY;
+  
+  if(HAL_RTC_SetDate(&RTCHandle,&sdatestructure,FORMAT_BCD) != HAL_OK)
+  {
+    RTC_Error_Handler(); 
+  } 
+  
+  //##-2- Configure the Time #################################################
+  // Set Time: 02:00:00 
+  stimestructure.Hours = 0;
+  stimestructure.Minutes = 0;
+  stimestructure.Seconds = 0;
+  stimestructure.DayLightSaving = RTC_DAYLIGHTSAVING_NONE ;
+  stimestructure.StoreOperation = RTC_STOREOPERATION_RESET;
+  
+  if(HAL_RTC_SetTime(&RTCHandle,&stimestructure,FORMAT_BCD) != HAL_OK)
+  {
+    RTC_Error_Handler(); 
+  }
+  
+  //##-3- Writes a data in a RTC Backup data Register0 #######################
+//  HAL_RTCEx_BKUPWrite(&RTCHandle,RTC_BKP_DR0,0x32F2);  
+}
+*/
+
+
+  /* ##-1- Configure the RTC peripheral #######################################
+		Configure RTC prescaler and RTC data registers 
+		RTC configured as follow:
+      - Hour Format    = Format 24
+      - Asynch Prediv  = Value according to source clock
+      - Synch Prediv   = Value according to source clock
+      - OutPut         = Output Disable
+      - OutPutPolarity = High Polarity
+      - OutPutType     = Open Drain 
+*/
+
+
+void MX_RTC_init(void)
+{
+
+  RTC_TimeTypeDef sTime;
+  RTC_DateTypeDef sDate;
+//  RTC_AlarmTypeDef sAlarm;
+
+    /**Initialize RTC and set the Time and Date 
+    */
+  RTCHandle.Instance = RTC;
+  RTCHandle.Init.HourFormat = RTC_HOURFORMAT_24;
+  RTCHandle.Init.AsynchPrediv = 127;
+  RTCHandle.Init.SynchPrediv = 255;
+  RTCHandle.Init.OutPut = RTC_OUTPUT_DISABLE;
+  RTCHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
+  RTCHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
+  HAL_RTC_Init(&RTCHandle);
+
+  sTime.Hours = 11;
+  sTime.Minutes = 0;
+  sTime.Seconds = 0;
+  sTime.SubSeconds = 0;
+  sTime.TimeFormat = RTC_HOURFORMAT12_AM;
+  sTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
+  sTime.StoreOperation = RTC_STOREOPERATION_RESET;
+  HAL_RTC_SetTime(&RTCHandle, &sTime, FORMAT_BCD);
+
+  sDate.WeekDay = RTC_WEEKDAY_SUNDAY;
+  sDate.Month = RTC_MONTH_FEBRUARY;
+  sDate.Date = 15;
+  sDate.Year = 17;
+  HAL_RTC_SetDate(&RTCHandle, &sDate, FORMAT_BCD);
+
+
+/*
+  RTCHandle.Instance = RTC; 
+  RTCHandle.Init.HourFormat = RTC_HOURFORMAT_24;
+  RTCHandle.Init.AsynchPrediv = RTC_ASYNCH_PREDIV;
+  RTCHandle.Init.SynchPrediv = RTC_SYNCH_PREDIV;
+  RTCHandle.Init.OutPut = RTC_OUTPUT_DISABLE;
+  RTCHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
+  RTCHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
+	
+	HAL_RTC_Init(&RTCHandle);
+*/	
+}
+
+
+void RTC_StopMode_2seconds(void)
+{
+    /* Enable Power Control clock */
+    __HAL_RCC_PWR_CLK_ENABLE();
+
+  /* Disable Wake-up timer */
+  HAL_RTCEx_DeactivateWakeUpTimer(&RTCHandle);
+
+	/* Enable Wake-up timer */
+	HAL_RTCEx_SetWakeUpTimer_IT(&RTCHandle, (0x1000-1), RTC_WAKEUPCLOCK_RTCCLK_DIV16);
+
+	/* FLASH Deep Power Down Mode enabled */
+	HAL_PWREx_EnableFlashPowerDown();
+
+	/*## Enter Stop Mode #######################################################*/
+	HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
+
+	/* Configures system clock after wake-up from STOP: enable HSI, PLL and select 
+	PLL as system clock source (HSI and PLL are disabled in STOP mode) */
+	SYSCLKConfig_STOP();
+	
+	HAL_RTCEx_DeactivateWakeUpTimer(&RTCHandle);
+}
+
+
+void RTC_Stop_11ms(void)
+{
+  /* Disable Wake-up timer */
+  HAL_RTCEx_DeactivateWakeUpTimer(&RTCHandle);
+
+	/* Enable Wake-up timer */
+	HAL_RTCEx_SetWakeUpTimer_IT(&RTCHandle, (0x18-1), RTC_WAKEUPCLOCK_RTCCLK_DIV16);
+
+	/* FLASH Deep Power Down Mode enabled */
+	HAL_PWREx_DisableFlashPowerDown();
+
+	/*## Enter Stop Mode #######################################################*/
+	HAL_PWR_EnterSTOPMode(PWR_MAINREGULATOR_ON, PWR_STOPENTRY_WFI);
+
+	/* Configures system clock after wake-up from STOP: enable HSI, PLL and select 
+	PLL as system clock source (HSI and PLL are disabled in STOP mode) */
+	SYSCLKConfig_STOP();
+	
+	HAL_RTCEx_DeactivateWakeUpTimer(&RTCHandle);
+}
+
+
+static void RTC_Error_Handler(void)
+{
+	while(1);
+}	
+
+
+/************************ (C) COPYRIGHT heinrichs weikamp *****END OF FILE****/