--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/RTC/Calendar/main.c	Mon Oct 03 21:19:15 2011 +1030
@@ -0,0 +1,410 @@
+/**
+  ******************************************************************************
+  * @file    RTC/Calendar/main.c 
+  * @author  MCD Application Team
+  * @version V3.5.0
+  * @date    08-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 "stm32f10x.h"
+#include "stm32_eval.h"
+#include <stdio.h>
+
+/** @addtogroup STM32F10x_StdPeriph_Examples
+  * @{
+  */
+
+/** @addtogroup RTC_Calendar
+  * @{
+  */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+#define RTCClockOutput_Enable  /* RTC Clock/64 is output on tamper pin(PC.13) */
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+__IO uint32_t TimeDisplay = 0;
+USART_InitTypeDef USART_InitStructure;
+
+/* Private function prototypes -----------------------------------------------*/
+void RTC_Configuration(void);
+void NVIC_Configuration(void);
+uint32_t Time_Regulate(void);
+void Time_Adjust(void);
+void Time_Show(void);
+void Time_Display(uint32_t TimeVar);
+uint8_t USART_Scanf(uint32_t value);
+
+#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__ */
+
+/* Private functions ---------------------------------------------------------*/
+
+/**
+  * @brief  Main program.
+  * @param  None
+  * @retval None
+  */
+int main(void)
+{
+  /*!< At this stage the microcontroller clock setting is already configured, 
+       this is done through SystemInit() function which is called from startup
+       file (startup_stm32f10x_xx.s) before to branch to application main.
+       To reconfigure the default setting of SystemInit() function, refer to
+       system_stm32f10x.c file
+     */     
+
+  /* Initialize LED1 mounted on STM3210X-EVAL board */       
+  STM_EVAL_LEDInit(LED1);
+
+  /* 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 enabled
+  */
+  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;
+
+  STM_EVAL_COMInit(COM1, &USART_InitStructure);
+
+
+  /* NVIC configuration */
+  NVIC_Configuration();
+
+  if (BKP_ReadBackupRegister(BKP_DR1) != 0xA5A5)
+  {
+    /* Backup data register value is not correct or not yet programmed (when
+       the first time the program is executed) */
+
+    printf("\r\n\n RTC not yet configured....");
+
+    /* RTC Configuration */
+    RTC_Configuration();
+
+    printf("\r\n RTC configured....");
+
+    /* Adjust time by values entered by the user on the hyperterminal */
+    Time_Adjust();
+
+    BKP_WriteBackupRegister(BKP_DR1, 0xA5A5);
+  }
+  else
+  {
+    /* Check if the Power On Reset flag is set */
+    if (RCC_GetFlagStatus(RCC_FLAG_PORRST) != RESET)
+    {
+      printf("\r\n\n Power On Reset occurred....");
+    }
+    /* Check if the Pin Reset flag is set */
+    else if (RCC_GetFlagStatus(RCC_FLAG_PINRST) != RESET)
+    {
+      printf("\r\n\n External Reset occurred....");
+    }
+
+    printf("\r\n No need to configure RTC....");
+    /* Wait for RTC registers synchronization */
+    RTC_WaitForSynchro();
+
+    /* Enable the RTC Second */
+    RTC_ITConfig(RTC_IT_SEC, ENABLE);
+    /* Wait until last write operation on RTC registers has finished */
+    RTC_WaitForLastTask();
+  }
+
+#ifdef RTCClockOutput_Enable
+  /* Enable PWR and BKP clocks */
+  RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
+
+  /* Allow access to BKP Domain */
+  PWR_BackupAccessCmd(ENABLE);
+
+  /* Disable the Tamper Pin */
+  BKP_TamperPinCmd(DISABLE); /* To output RTCCLK/64 on Tamper pin, the tamper
+                                 functionality must be disabled */
+
+  /* Enable RTC Clock Output on Tamper Pin */
+  BKP_RTCOutputConfig(BKP_RTCOutputSource_CalibClock);
+#endif
+
+  /* Clear reset flags */
+  RCC_ClearFlag();
+
+  /* Display time in infinite loop */
+  Time_Show();
+}
+
+
+/**
+  * @brief  Configures the nested vectored interrupt controller.
+  * @param  None
+  * @retval None
+  */
+void NVIC_Configuration(void)
+{
+  NVIC_InitTypeDef NVIC_InitStructure;
+
+  /* Configure one bit for preemption priority */
+  NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
+
+  /* Enable the RTC Interrupt */
+  NVIC_InitStructure.NVIC_IRQChannel = RTC_IRQn;
+  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
+  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
+  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+  NVIC_Init(&NVIC_InitStructure);
+}
+
+/**
+  * @brief  Configures the RTC.
+  * @param  None
+  * @retval None
+  */
+void RTC_Configuration(void)
+{
+  /* Enable PWR and BKP clocks */
+  RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
+
+  /* Allow access to BKP Domain */
+  PWR_BackupAccessCmd(ENABLE);
+
+  /* Reset Backup Domain */
+  BKP_DeInit();
+
+  /* Enable LSE */
+  RCC_LSEConfig(RCC_LSE_ON);
+  /* Wait till LSE is ready */
+  while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET)
+  {}
+
+  /* Select LSE as RTC Clock Source */
+  RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
+
+  /* Enable RTC Clock */
+  RCC_RTCCLKCmd(ENABLE);
+
+  /* Wait for RTC registers synchronization */
+  RTC_WaitForSynchro();
+
+  /* Wait until last write operation on RTC registers has finished */
+  RTC_WaitForLastTask();
+
+  /* Enable the RTC Second */
+  RTC_ITConfig(RTC_IT_SEC, ENABLE);
+
+  /* Wait until last write operation on RTC registers has finished */
+  RTC_WaitForLastTask();
+
+  /* Set RTC prescaler: set RTC period to 1sec */
+  RTC_SetPrescaler(32767); /* RTC period = RTCCLK/RTC_PR = (32.768 KHz)/(32767+1) */
+
+  /* Wait until last write operation on RTC registers has finished */
+  RTC_WaitForLastTask();
+}
+
+/**
+  * @brief  Returns the time entered by user, using Hyperterminal.
+  * @param  None
+  * @retval Current time RTC counter value
+  */
+uint32_t Time_Regulate(void)
+{
+  uint32_t Tmp_HH = 0xFF, Tmp_MM = 0xFF, Tmp_SS = 0xFF;
+
+  printf("\r\n==============Time Settings=====================================");
+  printf("\r\n  Please Set Hours");
+
+  while (Tmp_HH == 0xFF)
+  {
+    Tmp_HH = USART_Scanf(23);
+  }
+  printf(":  %d", Tmp_HH);
+  printf("\r\n  Please Set Minutes");
+  while (Tmp_MM == 0xFF)
+  {
+    Tmp_MM = USART_Scanf(59);
+  }
+  printf(":  %d", Tmp_MM);
+  printf("\r\n  Please Set Seconds");
+  while (Tmp_SS == 0xFF)
+  {
+    Tmp_SS = USART_Scanf(59);
+  }
+  printf(":  %d", Tmp_SS);
+
+  /* Return the value to store in RTC counter register */
+  return((Tmp_HH*3600 + Tmp_MM*60 + Tmp_SS));
+}
+
+/**
+  * @brief  Adjusts time.
+  * @param  None
+  * @retval None
+  */
+void Time_Adjust(void)
+{
+  /* Wait until last write operation on RTC registers has finished */
+  RTC_WaitForLastTask();
+  /* Change the current time */
+  RTC_SetCounter(Time_Regulate());
+  /* Wait until last write operation on RTC registers has finished */
+  RTC_WaitForLastTask();
+}
+
+/**
+  * @brief  Displays the current time.
+  * @param  TimeVar: RTC counter value.
+  * @retval None
+  */
+void Time_Display(uint32_t TimeVar)
+{
+  uint32_t THH = 0, TMM = 0, TSS = 0;
+  
+  /* Reset RTC Counter when Time is 23:59:59 */
+  if (RTC_GetCounter() == 0x0001517F)
+  {
+     RTC_SetCounter(0x0);
+     /* Wait until last write operation on RTC registers has finished */
+     RTC_WaitForLastTask();
+  }
+  
+  /* Compute  hours */
+  THH = TimeVar / 3600;
+  /* Compute minutes */
+  TMM = (TimeVar % 3600) / 60;
+  /* Compute seconds */
+  TSS = (TimeVar % 3600) % 60;
+
+  printf("Time: %0.2d:%0.2d:%0.2d\r", THH, TMM, TSS);
+}
+
+/**
+  * @brief  Shows the current time (HH:MM:SS) on the Hyperterminal.
+  * @param  None
+  * @retval None
+  */   
+void Time_Show(void)
+{
+  printf("\n\r");
+
+  /* Infinite loop */
+  while (1)
+  {
+    /* If 1s has been elapsed */
+    if (TimeDisplay == 1)
+    {
+      /* Display current time */
+      Time_Display(RTC_GetCounter());
+      TimeDisplay = 0;
+    }
+  }
+}
+
+
+/**
+  * @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(EVAL_COM1, (uint8_t) ch);
+
+  /* Loop until the end of transmission */
+  while (USART_GetFlagStatus(EVAL_COM1, USART_FLAG_TC) == RESET)
+  {}
+
+  return ch;
+}
+
+/**
+  * @brief  Gets numeric values from the hyperterminal.
+  * @param  None
+  * @retval None
+  */
+uint8_t USART_Scanf(uint32_t value)
+{
+  uint32_t index = 0;
+  uint32_t tmp[2] = {0, 0};
+
+  while (index < 2)
+  {
+    /* Loop until RXNE = 1 */
+    while (USART_GetFlagStatus(EVAL_COM1, USART_FLAG_RXNE) == RESET)
+    {}
+    tmp[index++] = (USART_ReceiveData(EVAL_COM1));
+    if ((tmp[index - 1] < 0x30) || (tmp[index - 1] > 0x39))
+    {
+      printf("\n\rPlease enter valid number between 0 and 9");
+      index--;
+    }
+  }
+  /* Calculate the Corresponding value */
+  index = (tmp[1] - 0x30) + ((tmp[0] - 0x30) * 10);
+  /* Checks */
+  if (index > value)
+  {
+    printf("\n\rPlease enter valid number between 0 and %d", value);
+    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****/