*

evk407i/doc/EVK407I-Demo/RTC/User/main.c

@@ -0,0 +1,400 @@
+/**
+  ******************************************************************************
+  * @file    main.c 
+  * @author  MCD Application Team
+  * @version V1.0.0
+  * @date    18-April-2011
+  * @brief   Main program body
+  ******************************************************************************
+  * @attention
+  *
+  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
+  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
+  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
+  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
+  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
+  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+  *
+  * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
+  ******************************************************************************  
+  */ 
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f4xx.h"
+#include "usart.h"
+#include <string.h>
+#include <stdio.h>
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Uncomment the corresponding line to select the RTC Clock source */
+#define RTC_CLOCK_SOURCE_LSE   /* LSE used as RTC source clock */
+/* #define RTC_CLOCK_SOURCE_LSI */ /* LSI used as RTC source clock. The RTC Clock
+                                      may varies due to LSI frequency dispersion. */ 
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+RTC_InitTypeDef RTC_InitStructure;
+RTC_TimeTypeDef RTC_TimeStructure;
+RTC_DateTypeDef RTC_DateStructure;
+RTC_TimeTypeDef  RTC_TimeStampStructure;
+RTC_DateTypeDef  RTC_TimeStampDateStructure;
+__IO uint32_t AsynchPrediv = 0, SynchPrediv = 0;
+
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+void RTC_Config(void);
+void RTC_TimeRegulate(void);
+void RTC_TimeShow(void);
+void RTC_DateShow(void);
+void RTC_TimeStampShow(void);
+uint8_t USART_Scanf(uint32_t MinValue, uint32_t MaxValue);
+/**
+  * @brief  Main program
+  * @param  None
+  * @retval None
+  */
+int main(void)
+{
+  uint8_t Rtctmp=0;
+  USART_Configuration();
+  /* Output a message on Hyperterminal using printf function */
+  printf("\n\r  *********************** RTC Time Stamp Example ***********************\n\r");
+
+  if (RTC_ReadBackupRegister(RTC_BKP_DR0) != 0x32F2)
+  {
+    /* RTC configuration  */
+    RTC_Config();
+
+    /* Configure the RTC data register and RTC prescaler */
+    RTC_InitStructure.RTC_AsynchPrediv = AsynchPrediv;
+    RTC_InitStructure.RTC_SynchPrediv = SynchPrediv;
+    RTC_InitStructure.RTC_HourFormat = RTC_HourFormat_24;
+   
+    /* Check on RTC init */
+    if (RTC_Init(&RTC_InitStructure) == ERROR)
+    {
+      printf("\n\r        /!\\***** RTC Prescaler Config failed ********/!\\ \r\n");
+    }
+
+    /* Configure the time register */
+    RTC_TimeRegulate(); 
+  }
+  else
+  {
+    /* Check if the Power On Reset flag is set */
+    if (RCC_GetFlagStatus(RCC_FLAG_PORRST) != RESET)
+    {
+      printf("\r\n Power On Reset occurred....\r\n");
+    }
+    /* Check if the Pin Reset flag is set */
+    else if (RCC_GetFlagStatus(RCC_FLAG_PINRST) != RESET)
+    {
+      printf("\r\n External Reset occurred....\r\n");
+    }
+
+    printf("\r\n No need to configure RTC....\r\n");
+    
+    /* Enable the PWR clock */
+    RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
+
+    /* Allow access to RTC */
+    PWR_BackupAccessCmd(ENABLE);
+
+    /* Wait for RTC APB registers synchronisation */
+    RTC_WaitForSynchro();
+
+
+    /* Clear the RTC Alarm Flag */
+    RTC_ClearFlag(RTC_FLAG_ALRAF);
+
+    /* Display the RTC Time/Date and TimeStamp Time/Date */
+    RTC_TimeShow();
+    RTC_DateShow();
+    RTC_TimeStampShow();
+  }
+     
+  while (1)
+  {
+  	RTC_GetTime(RTC_Format_BIN, &RTC_TimeStructure);
+	RTC_GetDate(RTC_Format_BIN, &RTC_DateStructure);
+  	if(Rtctmp != RTC_TimeStructure.RTC_Seconds)
+	{
+		printf("The Date :  Y:20%0.2d - M:%0.2d - D:%0.2d - W:%0.2d\r\n", RTC_DateStructure.RTC_Year,RTC_DateStructure.RTC_Month, RTC_DateStructure.RTC_Date,RTC_DateStructure.RTC_WeekDay);	
+		printf("The Time :  %0.2d:%0.2d:%0.2d \r\n\r\n", RTC_TimeStructure.RTC_Hours, RTC_TimeStructure.RTC_Minutes, RTC_TimeStructure.RTC_Seconds);	
+		(void)RTC->DR;
+	}
+	Rtctmp = RTC_TimeStructure.RTC_Seconds;
+  }										  
+}
+
+
+/**
+  * @brief  Configure the RTC peripheral by selecting the clock source.
+  * @param  None
+  * @retval None
+  */
+void RTC_Config(void)
+{
+  /* Enable the PWR clock */
+  RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
+
+  /* Allow access to RTC */
+  PWR_BackupAccessCmd(ENABLE);
+
+#if defined (RTC_CLOCK_SOURCE_LSI)  /* LSI used as RTC source clock*/
+/* The RTC Clock may varies due to LSI frequency dispersion. */
+  /* Enable the LSI OSC */ 
+  RCC_LSICmd(ENABLE);
+
+  /* Wait till LSI is ready */  
+  while(RCC_GetFlagStatus(RCC_FLAG_LSIRDY) == RESET)
+  {
+  }
+
+  /* Select the RTC Clock Source */
+  RCC_RTCCLKConfig(RCC_RTCCLKSource_LSI);
+
+  SynchPrediv = 0xFF;
+  AsynchPrediv = 0x7F;
+
+#elif defined (RTC_CLOCK_SOURCE_LSE) /* LSE used as RTC source clock */
+  /* Enable the LSE OSC */
+  RCC_LSEConfig(RCC_LSE_ON);
+
+  /* Wait till LSE is ready */  
+  while(RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET)
+  {
+  }
+
+  /* Select the RTC Clock Source */
+  RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
+
+  SynchPrediv = 0xFF;
+  AsynchPrediv = 0x7F;
+    
+#else
+  #error Please select the RTC Clock source inside the main.c file
+#endif /* RTC_CLOCK_SOURCE_LSI */
+
+  /* Enable the RTC Clock */
+  RCC_RTCCLKCmd(ENABLE);
+
+  /* Wait for RTC APB registers synchronisation */
+  RTC_WaitForSynchro();
+
+  /* Enable The TimeStamp */
+  RTC_TimeStampCmd(RTC_TimeStampEdge_Falling, ENABLE);    
+}
+
+/**
+  * @brief  Returns the time entered by user, using Hyperterminal.
+  * @param  None
+  * @retval None
+  */
+void RTC_TimeRegulate(void)
+{
+  uint32_t tmp_hh = 0xFF, tmp_mm = 0xFF, tmp_ss = 0xFF;
+
+  printf("\r\n==============Time Settings=====================================\r\n");
+  RTC_TimeStructure.RTC_H12     = RTC_H12_AM;
+  printf("\r\n  Please Set Hours");
+  while (tmp_hh == 0xFF)
+  {
+    tmp_hh = USART_Scanf(0, 23);
+    RTC_TimeStructure.RTC_Hours = tmp_hh;
+  }
+  printf(":  %0.2d\n", tmp_hh);
+  
+  printf("\r\n  Please Set Minutes");
+  while (tmp_mm == 0xFF)
+  {
+    tmp_mm = USART_Scanf(0, 59);
+    RTC_TimeStructure.RTC_Minutes = tmp_mm;
+  }
+  printf(":  %0.2d\n", tmp_mm);
+  
+  printf("\r\n  Please Set Seconds");
+  while (tmp_ss == 0xFF)
+  {
+    tmp_ss = USART_Scanf(0, 59);
+    RTC_TimeStructure.RTC_Seconds = tmp_ss;
+  }
+  printf(":  %0.2d\n", tmp_ss);
+
+  /* Configure the RTC time register */
+  if(RTC_SetTime(RTC_Format_BIN, &RTC_TimeStructure) == ERROR)
+  {
+    printf("\r\n>> !! RTC Set Time failed. !! <<\r\n");
+  } 
+  else
+  {
+    printf("\r\n>> !! RTC Set Time success. !! <<\r\n");
+    RTC_TimeShow();
+    /* Indicator for the RTC configuration */
+    RTC_WriteBackupRegister(RTC_BKP_DR0, 0x32F2);
+  }
+  
+  tmp_hh = 0xFF;
+  tmp_mm = 0xFF;
+  tmp_ss = 0xFF;
+
+  printf("\r\n==============Date Settings=====================================\r\n");
+
+  printf("\r\n  Please Set WeekDay (01-07)");
+  while (tmp_hh == 0xFF)
+  {
+    tmp_hh = USART_Scanf(1, 7);
+    RTC_DateStructure.RTC_WeekDay = tmp_hh;
+  }
+  printf(":  %0.2d\n", tmp_hh);
+  tmp_hh = 0xFF;
+  printf("\r\n  Please Set Date (01-31)");
+  while (tmp_hh == 0xFF)
+  {
+    tmp_hh = USART_Scanf(1, 31);
+    RTC_DateStructure.RTC_Date = tmp_hh;
+  }
+  printf(":  %0.2d\n", tmp_hh);
+  
+  printf("\r\n  Please Set Month (01-12)");
+  while (tmp_mm == 0xFF)
+  {
+    tmp_mm = USART_Scanf(1, 12);
+    RTC_DateStructure.RTC_Month = tmp_mm;
+  }
+  printf(":  %0.2d\n", tmp_mm);
+  
+  printf("\r\n  Please Set Year (00-99)");
+  while (tmp_ss == 0xFF)
+  {
+    tmp_ss = USART_Scanf(0, 99);
+    RTC_DateStructure.RTC_Year = tmp_ss;
+  }
+  printf(":  %0.2d\n", tmp_ss);
+
+  /* Configure the RTC date register */
+  if(RTC_SetDate(RTC_Format_BIN, &RTC_DateStructure) == ERROR)
+  {
+    printf("\r\n>> !! RTC Set Date failed. !! <<\r\n");
+  } 
+  else
+  {
+    printf("\r\n>> !! RTC Set Date success. !! <<\r\n");
+    RTC_DateShow();
+    /* Indicator for the RTC configuration */
+    RTC_WriteBackupRegister(RTC_BKP_DR0, 0x32F2);
+  }
+
+}
+
+/**
+  * @brief  Display the current time on the Hyperterminal.
+  * @param  None
+  * @retval None
+  */
+void RTC_TimeShow(void)
+{
+  /* Get the current Time and Date */
+  RTC_GetTime(RTC_Format_BIN, &RTC_TimeStructure);
+  printf("\r\n\r\n============== Current Time Display ============================\n");
+  printf("\r\n  The current time (Hour-Minute-Second) is :  %0.2d:%0.2d:%0.2d \n", RTC_TimeStructure.RTC_Hours, RTC_TimeStructure.RTC_Minutes, RTC_TimeStructure.RTC_Seconds);
+  /* Unfreeze the RTC DR Register */
+  (void)RTC->DR;
+}
+
+/**
+  * @brief  Display the current date on the Hyperterminal.
+  * @param  None
+  * @retval None
+  */
+void RTC_DateShow(void)
+{
+  /* Get the current Date */
+  RTC_GetDate(RTC_Format_BIN, &RTC_DateStructure);
+  printf("\r\n============== Current Date Display ============================\n");
+  printf("\r\n  The current date (WeekDay-Date-Month-Year) is :  %0.2d-%0.2d-%0.2d-%0.2d \n", RTC_DateStructure.RTC_WeekDay, RTC_DateStructure.RTC_Date, RTC_DateStructure.RTC_Month, RTC_DateStructure.RTC_Year);
+}
+
+
+/**
+  * @brief  Display the current TimeStamp (time and date) on the Hyperterminal.
+  * @param  None
+  * @retval None
+  */
+void RTC_TimeStampShow(void)
+{
+  /* Get the current TimeStamp */
+  RTC_GetTimeStamp(RTC_Format_BIN, &RTC_TimeStampStructure, &RTC_TimeStampDateStructure);
+  printf("\r\n==============TimeStamp Display (Time and Date)=================\n");
+  printf("\r\n  The current time stamp time (Hour-Minute-Second) is :  %0.2d:%0.2d:%0.2d \n", RTC_TimeStampStructure.RTC_Hours, RTC_TimeStampStructure.RTC_Minutes, RTC_TimeStampStructure.RTC_Seconds);
+  printf("\r\n  The current timestamp date (WeekDay-Date-Month) is :  %0.2d-%0.2d-%0.2d \n", RTC_TimeStampDateStructure.RTC_WeekDay, RTC_TimeStampDateStructure.RTC_Date, RTC_TimeStampDateStructure.RTC_Month);
+}
+
+
+/**
+  * @brief  Gets numeric values from the hyperterminal.
+  * @param  MinValue: minimum value to be used.
+  * @param  MaxValue: maximum value to be used.
+  * @retval None
+  */
+uint8_t USART_Scanf(uint32_t MinValue, uint32_t MaxValue)
+{
+  uint32_t index = 0;
+  uint32_t tmp[2] = {0, 0};
+
+  while (index < 2)
+  {
+    /* Loop until RXNE = 1 */
+    while (USART_GetFlagStatus(Open_USART, USART_FLAG_RXNE) == RESET)
+    {}
+    tmp[index++] = (USART_ReceiveData(Open_USART));
+    if ((tmp[index - 1] < 0x30) || (tmp[index - 1] > 0x39))
+    {
+      printf("\r\n Please enter valid number between 0 and 9\n");
+      index--;
+    }
+  }
+  /* Calculate the Corresponding value */
+  index = (tmp[1] - 0x30) + ((tmp[0] - 0x30) * 10);
+  /* Checks the value */
+  if ((index < MinValue) || (index > MaxValue))
+  {
+    printf("\r\n Please enter valid number between %d and %d\n", MinValue, MaxValue);
+    return 0xFF;
+  }
+  return index;
+}
+
+
+
+#ifdef  USE_FULL_ASSERT
+
+/**
+  * @brief  Reports the name of the source file and the source line number
+  *         where the assert_param error has occurred.
+  * @param  file: pointer to the source file name
+  * @param  line: assert_param error line source number
+  * @retval None
+  */
+void assert_failed(uint8_t* file, uint32_t line)
+{ 
+  /* User can add his own implementation to report the file name and line number,
+     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
+
+  /* Infinite loop */
+  while (1)
+  {
+  }
+}
+#endif
+
+/**
+  * @}
+  */ 
+
+/**
+  * @}
+  */ 
+
+/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

evk407i/doc/EVK407I-Demo/RTC/User/stm32f4xx_conf.h

@@ -0,0 +1,88 @@
+/**
+  ******************************************************************************
+  * @file    I2C/EEPROM/stm32f4xx_conf.h  
+  * @author  MCD Application Team
+  * @version V1.0.0
+  * @date    30-September-2011
+  * @brief   Library configuration file.
+  ******************************************************************************
+  * @attention
+  *
+  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
+  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
+  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
+  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
+  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
+  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+  *
+  * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
+  ******************************************************************************
+  */ 
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F4xx_CONF_H
+#define __STM32F4xx_CONF_H
+
+/* Includes ------------------------------------------------------------------*/
+/* Uncomment the line below to enable peripheral header file inclusion */
+#include "stm32f4xx_adc.h"
+#include "stm32f4xx_can.h"
+#include "stm32f4xx_crc.h"
+#include "stm32f4xx_cryp.h"
+#include "stm32f4xx_dac.h"
+#include "stm32f4xx_dbgmcu.h"
+#include "stm32f4xx_dcmi.h"
+#include "stm32f4xx_dma.h"
+#include "stm32f4xx_exti.h"
+#include "stm32f4xx_flash.h"
+#include "stm32f4xx_fsmc.h"
+#include "stm32f4xx_hash.h"
+#include "stm32f4xx_gpio.h"
+#include "stm32f4xx_i2c.h"
+#include "stm32f4xx_iwdg.h"
+#include "stm32f4xx_pwr.h"
+#include "stm32f4xx_rcc.h"
+#include "stm32f4xx_rng.h"
+#include "stm32f4xx_rtc.h"
+#include "stm32f4xx_sdio.h"
+#include "stm32f4xx_spi.h"
+#include "stm32f4xx_syscfg.h"
+#include "stm32f4xx_tim.h"
+#include "stm32f4xx_usart.h"
+#include "stm32f4xx_wwdg.h"
+#include "misc.h" /* High level functions for NVIC and SysTick (add-on to CMSIS functions) */
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+/* If an external clock source is used, then the value of the following define 
+   should be set to the value of the external clock source, else, if no external 
+   clock is used, keep this define commented */
+/*#define I2S_EXTERNAL_CLOCK_VAL   12288000 */ /* Value of the external clock in Hz */
+
+
+/* Uncomment the line below to expanse the "assert_param" macro in the 
+   Standard Peripheral Library drivers code */
+/* #define USE_FULL_ASSERT    1 */
+
+/* Exported macro ------------------------------------------------------------*/
+#ifdef  USE_FULL_ASSERT
+
+/**
+  * @brief  The assert_param macro is used for function's parameters check.
+  * @param  expr: If expr is false, it calls assert_failed function
+  *   which reports the name of the source file and the source
+  *   line number of the call that failed. 
+  *   If expr is true, it returns no value.
+  * @retval None
+  */
+  #define assert_param(expr) ((expr) ? (void)0 : assert_failed((uint8_t *)__FILE__, __LINE__))
+/* Exported functions ------------------------------------------------------- */
+  void assert_failed(uint8_t* file, uint32_t line);
+#else
+  #define assert_param(expr) ((void)0)
+#endif /* USE_FULL_ASSERT */
+
+#endif /* __STM32F4xx_CONF_H */
+
+/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

evk407i/doc/EVK407I-Demo/RTC/User/stm32f4xx_it.c

@@ -0,0 +1,177 @@
+/**
+  ******************************************************************************
+  * @file    I2C/EEPROM/stm32f4xx_it.c 
+  * @author  MCD Application Team
+  * @version V1.0.0
+  * @date    30-September-2011
+  * @brief   Main Interrupt Service Routines.
+  *          This file provides template for all exceptions handler and 
+  *          peripherals interrupt service routine.
+  ******************************************************************************
+  * @attention
+  *
+  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
+  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
+  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
+  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
+  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
+  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+  *
+  * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
+  ******************************************************************************
+  */ 
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f4xx_it.h"
+#include "usart.h"
+
+#define USARTx_IRQHANDLER   USART1_IRQHandler
+/** @addtogroup STM32F4xx_StdPeriph_Examples
+  * @{
+  */
+
+/** @addtogroup I2C_EEPROM
+  * @{
+  */ 
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/******************************************************************************/
+/*            Cortex-M4 Processor Exceptions Handlers                         */
+/******************************************************************************/
+
+/**
+  * @brief   This function handles NMI exception.
+  * @param  None
+  * @retval None
+  */
+void NMI_Handler(void)
+{
+}
+
+/**
+  * @brief  This function handles Hard Fault exception.
+  * @param  None
+  * @retval None
+  */
+void HardFault_Handler(void)
+{
+  /* Go to infinite loop when Hard Fault exception occurs */
+  while (1)
+  {
+  }
+}
+
+/**
+  * @brief  This function handles Memory Manage exception.
+  * @param  None
+  * @retval None
+  */
+void MemManage_Handler(void)
+{
+  /* Go to infinite loop when Memory Manage exception occurs */
+  while (1)
+  {
+  }
+}
+
+/**
+  * @brief  This function handles Bus Fault exception.
+  * @param  None
+  * @retval None
+  */
+void BusFault_Handler(void)
+{
+  /* Go to infinite loop when Bus Fault exception occurs */
+  while (1)
+  {
+  }
+}
+
+/**
+  * @brief  This function handles Usage Fault exception.
+  * @param  None
+  * @retval None
+  */
+void UsageFault_Handler(void)
+{
+  /* Go to infinite loop when Usage Fault exception occurs */
+  while (1)
+  {
+  }
+}
+
+/**
+  * @brief  This function handles SVCall exception.
+  * @param  None
+  * @retval None
+  */
+void SVC_Handler(void)
+{
+}
+
+/**
+  * @brief  This function handles Debug Monitor exception.
+  * @param  None
+  * @retval None
+  */
+void DebugMon_Handler(void)
+{
+}
+
+/**
+  * @brief  This function handles PendSVC exception.
+  * @param  None
+  * @retval None
+  */
+void PendSV_Handler(void)
+{
+}
+
+/**
+  * @brief  This function handles SysTick Handler.
+  * @param  None
+  * @retval None
+  */
+void SysTick_Handler(void)
+{
+}
+
+/******************************************************************************/
+/*                 STM32F4xx Peripherals Interrupt Handlers                   */
+/*  Add here the Interrupt Handler for the used peripheral(s) (PPP), for the  */
+/*  available peripheral interrupt handler's name please refer to the startup */
+/*  file (startup_stm32f4xx.s).                                               */
+/******************************************************************************/
+void USARTx_IRQHANDLER(void)
+{
+  if(USART_GetITStatus(Open_USART, USART_IT_RXNE) != RESET)
+  { 
+  		//USART_ClearITPendingBit(USART2,USART_IT_RXNE);
+		printf("\n\rUSART Hyperterminal Interrupts Receive a word: %c\n\r",USART_ReceiveData(Open_USART));
+  }
+}
+
+/**
+  * @brief  This function handles PPP interrupt request.
+  * @param  None
+  * @retval None
+  */
+/*void PPP_IRQHandler(void)
+{
+}*/
+
+/**
+  * @}
+  */ 
+
+/**
+  * @}
+  */ 
+
+/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

evk407i/doc/EVK407I-Demo/RTC/User/stm32f4xx_it.h

@@ -0,0 +1,54 @@
+/**
+  ******************************************************************************
+  * @file    I2C/EEPROM/stm32f4xx_it.h 
+  * @author  MCD Application Team
+  * @version V1.0.0
+  * @date    30-September-2011
+  * @brief   This file contains the headers of the interrupt handlers.
+  ******************************************************************************
+  * @attention
+  *
+  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
+  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
+  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
+  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
+  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
+  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+  *
+  * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
+  ******************************************************************************
+  */ 
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F4xx_IT_H
+#define __STM32F4xx_IT_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif 
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f4xx.h"
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+void NMI_Handler(void);
+void HardFault_Handler(void);
+void MemManage_Handler(void);
+void BusFault_Handler(void);
+void UsageFault_Handler(void);
+void SVC_Handler(void);
+void DebugMon_Handler(void);
+void PendSV_Handler(void);
+void SysTick_Handler(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F4xx_IT_H */
+
+/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

evk407i/doc/EVK407I-Demo/RTC/User/usart.c

@@ -0,0 +1,118 @@
+#include "usart.h"
+
+#ifdef __GNUC__
+  /* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf
+     set to 'Yes') calls __io_putchar() */
+  #define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
+#else
+  #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
+#endif /* __GNUC__ */
+
+
+/*******************************************************************************
+* Function Name  : USART_Configuration
+* Description    : Configure Open_USART 
+* Input          : None
+* Output         : None
+* Return         : None
+* Attention		 : None
+*******************************************************************************/
+void USART_Configuration(void)
+{ 												
+  GPIO_InitTypeDef GPIO_InitStructure;
+  USART_InitTypeDef USART_InitStructure; 
+
+  RCC_AHB1PeriphClockCmd(Open_USART_TX_GPIO_CLK,ENABLE);
+  RCC_AHB1PeriphClockCmd(Open_USART_RX_GPIO_CLK,ENABLE);
+
+  RCC_APB1PeriphClockCmd(Open_USART_CLK,ENABLE);
+
+
+  GPIO_PinAFConfig(Open_USART_TX_GPIO_PORT, Open_USART_TX_SOURCE, Open_USART_TX_AF);
+  GPIO_PinAFConfig(Open_USART_RX_GPIO_PORT, Open_USART_RX_SOURCE, Open_USART_RX_AF);
+
+  /*
+  *  Open_USART_TX -> PA9 , Open_USART_RX -PA10
+  */
+  GPIO_InitStructure.GPIO_Pin = Open_USART_TX_PIN;
+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
+  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+
+  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
+  GPIO_Init(Open_USART_TX_GPIO_PORT, &GPIO_InitStructure);
+
+  GPIO_InitStructure.GPIO_Pin = Open_USART_RX_PIN;
+  GPIO_InitStructure.GPIO_OType = GPIO_OType_OD;
+  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
+  GPIO_Init(Open_USART_RX_GPIO_PORT, &GPIO_InitStructure);
+
+/*
+   		 USARTx configured as follow:
+         - BaudRate = 115200 baud  
+		 - Word Length = 8 Bits
+         - One Stop Bit
+         - No parity
+         - Hardware flow control disabled (RTS and CTS signals)
+         - Receive and transmit    
+ */
+
+  USART_InitStructure.USART_BaudRate = 115200;
+  USART_InitStructure.USART_WordLength = USART_WordLength_8b;
+  USART_InitStructure.USART_StopBits = USART_StopBits_1;
+  USART_InitStructure.USART_Parity = USART_Parity_No;
+  USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
+  USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
+  USART_Init(Open_USART, &USART_InitStructure);
+  /* Enable the Open_USART Transmit interrupt: this interrupt is generated when the 
+     Open_USART transmit data register is empty */
+  USART_ITConfig(Open_USART,USART_IT_RXNE,ENABLE);
+
+  USART_Cmd(Open_USART, ENABLE);
+
+}
+
+void USART_NVIC_Config(void)
+{
+  NVIC_InitTypeDef NVIC_InitStructure;
+
+  /* Enable the USARTx Interrupt */
+  NVIC_InitStructure.NVIC_IRQChannel = Open_USART_IRQn;
+  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
+  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
+  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+  NVIC_Init(&NVIC_InitStructure);
+}
+
+/* Use no semihosting */
+#if 1
+#pragma import(__use_no_semihosting)
+struct __FILE
+{  
+	int handle;
+};
+FILE __stdout;
+
+_sys_exit(int x)
+{
+	x = x;
+}
+#endif
+
+/**
+  * @brief  Retargets the C library printf function to the USART.
+  * @param  None
+  * @retval None
+  */
+PUTCHAR_PROTOTYPE
+{
+  /* Place your implementation of fputc here */
+  /* e.g. write a character to the USART */
+  USART_SendData(Open_USART, (uint8_t) ch);
+
+  /* Loop until the end of transmission */
+  while (USART_GetFlagStatus(Open_USART, USART_FLAG_TC) == RESET)
+  {}
+
+  return ch;
+}

evk407i/doc/EVK407I-Demo/RTC/User/usart.h

@@ -0,0 +1,31 @@
+#ifndef _USART_H
+#define _USART_H
+
+#include <stdio.h>
+#include "stm32f4xx.h"
+
+/**
+ * @brief Definition for COM port1, connected to USART3
+ */  
+	#define Open_USART                        USART3
+	#define Open_USART_CLK                    RCC_APB1Periph_USART3
+	
+	#define Open_USART_TX_PIN                 GPIO_Pin_10
+	#define Open_USART_TX_GPIO_PORT           GPIOC
+	#define Open_USART_TX_GPIO_CLK            RCC_AHB1Periph_GPIOC
+	#define Open_USART_TX_SOURCE              GPIO_PinSource10
+	#define Open_USART_TX_AF                  GPIO_AF_USART3
+	
+	
+	#define Open_USART_RX_PIN                 GPIO_Pin_11
+	#define Open_USART_RX_GPIO_PORT           GPIOC
+	#define Open_USART_RX_GPIO_CLK            RCC_AHB1Periph_GPIOC
+	#define Open_USART_RX_SOURCE              GPIO_PinSource11
+	#define Open_USART_RX_AF                  GPIO_AF_USART3
+	
+	#define Open_USART_IRQn                   USART3_IRQn
+
+void USART_Configuration(void);
+void USART_NVIC_Config(void);
+
+#endif /*_USART_H*/