--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/BKP/Backup_Data/main.c	Mon Oct 03 21:19:15 2011 +1030
@@ -0,0 +1,201 @@
+/**
+  ******************************************************************************
+  * @file    BKP/Backup_Data/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"
+
+/** @addtogroup STM32F10x_StdPeriph_Examples
+  * @{
+  */
+
+/** @addtogroup BKP_Backup_Data
+  * @{
+  */ 
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+#if defined USE_STM3210B_EVAL || defined USE_STM32100B_EVAL
+  #define BKP_DR_NUMBER              10   
+#else
+  #define BKP_DR_NUMBER              42
+#endif /* USE_STM3210B_EVAL or USE_STM32100B_EVAL */
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+#if defined USE_STM3210B_EVAL || defined USE_STM32100B_EVAL
+uint16_t BKPDataReg[BKP_DR_NUMBER] =
+  {
+    BKP_DR1, BKP_DR2, BKP_DR3, BKP_DR4, BKP_DR5, BKP_DR6, BKP_DR7, BKP_DR8,
+    BKP_DR9, BKP_DR10
+  };
+#else
+uint16_t BKPDataReg[BKP_DR_NUMBER] =
+  {
+    BKP_DR1, BKP_DR2, BKP_DR3, BKP_DR4, BKP_DR5, BKP_DR6, BKP_DR7, BKP_DR8,
+    BKP_DR9, BKP_DR10, BKP_DR11, BKP_DR12, BKP_DR13, BKP_DR14, BKP_DR15, BKP_DR16,
+    BKP_DR17, BKP_DR18, BKP_DR19, BKP_DR20, BKP_DR21, BKP_DR22, BKP_DR23, BKP_DR24,
+    BKP_DR25, BKP_DR26, BKP_DR27, BKP_DR28, BKP_DR29, BKP_DR30, BKP_DR31, BKP_DR32,
+    BKP_DR33, BKP_DR34, BKP_DR35, BKP_DR36, BKP_DR37, BKP_DR38, BKP_DR39, BKP_DR40,
+    BKP_DR41, BKP_DR42
+  };  
+#endif /* USE_STM3210B_EVAL or USE_STM32100B_EVAL */
+
+/* Private function prototypes -----------------------------------------------*/
+void WriteToBackupReg(uint16_t FirstBackupData);
+uint8_t CheckBackupReg(uint16_t FirstBackupData);
+
+/* 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 Leds mounted on STM3210X-EVAL board */
+  STM_EVAL_LEDInit(LED1);
+  STM_EVAL_LEDInit(LED2);
+  STM_EVAL_LEDInit(LED3);
+  STM_EVAL_LEDInit(LED4);
+  
+  /* Enable PWR and BKP clock */
+  RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
+
+  /* Enable write access to Backup domain */
+  PWR_BackupAccessCmd(ENABLE);
+
+  /* Clear Tamper pin Event(TE) pending flag */
+  BKP_ClearFlag();
+
+  /* Check if the Power On Reset flag is set */
+  if(RCC_GetFlagStatus(RCC_FLAG_PORRST) != RESET)
+  {
+    /* Clear reset flags */
+    RCC_ClearFlag();
+
+    /* Turn on LED3 */
+    STM_EVAL_LEDOn(LED3);
+   
+    /* Check if Backup data registers are programmed */
+    if(CheckBackupReg(0x3210) == 0x00)
+    { /* Backup data registers values are correct */
+
+      /* Turn on LED1 */
+      STM_EVAL_LEDOn(LED1);
+    }
+    else
+    { /* Backup data registers values are not correct or they are not yet
+         programmed (when the first time the program is executed) */
+
+      /* Write data to Backup data registers */
+      WriteToBackupReg(0x3210);
+
+      /* Turn on LED2 */
+      STM_EVAL_LEDOn(LED2);
+    }
+  }
+
+  /* Turn on LED4 */
+  STM_EVAL_LEDOn(LED4);
+       
+  while (1)
+  {    
+  }
+}
+
+/**
+  * @brief  Writes data Backup DRx registers.
+  * @param  FirstBackupData: data to be written to Backup data registers.
+  * @retval None
+  */
+void WriteToBackupReg(uint16_t FirstBackupData)
+{
+  uint32_t index = 0;
+
+  for (index = 0; index < BKP_DR_NUMBER; index++)
+  {
+    BKP_WriteBackupRegister(BKPDataReg[index], FirstBackupData + (index * 0x5A));
+  }  
+}
+
+/**
+  * @brief  Checks if the Backup DRx registers values are correct or not.
+  * @param  FirstBackupData: data to be compared with Backup data registers.
+  * @retval 
+  *          - 0: All Backup DRx registers values are correct
+  *          - Value different from 0: Number of the first Backup register
+  *            which value is not correct
+  */
+uint8_t CheckBackupReg(uint16_t FirstBackupData)
+{
+  uint32_t index = 0;
+
+  for (index = 0; index < BKP_DR_NUMBER; index++)
+  {
+    if (BKP_ReadBackupRegister(BKPDataReg[index]) != (FirstBackupData + (index * 0x5A)))
+    {
+      return (index + 1);
+    }
+  }
+
+  return 0;
+}
+
+#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****/