Example #1
0
/*******************************************************************************
* Function Name  : main
* Description    : Main program.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
int main(void)
{
#ifdef DEBUG
  debug();
#endif

  /* System Clocks Configuration */
  RCC_Configuration();
  
  /* NVIC configuration */
  NVIC_Configuration();

  /* GPIO configuration */
  GPIO_Configuration();
  
  /* 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 led connected to GPIO_LED Pin8 */
    GPIO_SetBits(GPIO_LED, GPIO_Pin_8);
   
    /* Check if Backup data registers are programmed */
    if(CheckBackupReg(0x3210) == 0x00)
    { /* Backup data registers values are correct */

      /* Turn on led connected to GPIO_LED Pin6 */
      GPIO_SetBits(GPIO_LED, GPIO_Pin_6);
    }
    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 led connected to GPIO_LED Pin7 */
      GPIO_SetBits(GPIO_LED, GPIO_Pin_7);
    }
  }

  /* Turn on led connected to GPIO_LED Pin9 */
  GPIO_SetBits(GPIO_LED, GPIO_Pin_9);  
       
  while (1)
  {    
  }
}
Example #2
0
/**
  * @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)
  {    
  }
}
Example #3
0
/**
  * @brief   Main program.
  * @param  None
  * @retval None
  */
int main(void)
{
  
  /* Setup the microcontroller system. Initialize the Embedded Flash Interface,  
     initialize the PLL and update the SystemFrequency variable. */
  SystemInit();

  /* 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)
  {    
  }
}
Example #4
0
/**
  * @brief   Main program.
  * @param  None
  * @retval None
  */
int main(void)
{
  /* System Clocks Configuration */
  RCC_Configuration();
  
  /* NVIC configuration */
  NVIC_Configuration();
    
  /* 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();

  /* Tamper pin active on low level */
  BKP_TamperPinLevelConfig(BKP_TamperPinLevel_Low);

  /* Enable Tamper interrupt */
  BKP_ITConfig(ENABLE);

  /* Enable Tamper pin */
  BKP_TamperPinCmd(ENABLE);
   
  /* Write data to Backup DRx registers */
  WriteToBackupReg(0xA53C);
  /* Check if the written data are correct */
  if(CheckBackupReg(0xA53C) == 0x00)
  {
    /* Turn on LED1 */
    STM_EVAL_LEDOn(LED1);
  }
  else
  {
    /* Turn on LED2 */
    STM_EVAL_LEDOn(LED2);
  }
        
  while (1)
  {    
  }
}
Example #5
0
/**
  * @brief  Main program.
  * @param  None
  * @retval None
  */
int main(void)
{
    /* Initialize four LEDs mounted on GD32107C-EVAL board */
    LED_Init();

    /* Enable PWR and BKP clock */
    RCC_APB1PeriphClock_Enable(RCC_APB1PERIPH_PWR | RCC_APB1PERIPH_BKP, ENABLE);
    
    /* Enable write access to the registers in Backup domain */
    PWR_BackupAccess_Enable(ENABLE);
    
    /* Clear the bit flag of Tamper Event */
    BKP_ClearBitState();

    /* Check if the POR/PDR reset flag is set */
    if(RCC_GetBitState(RCC_FLAG_POPDRST) != RESET)
    {
        /* Clear the RCC all reset flags */
        RCC_ClearBitState();

        /* Turn on LED4 */
        GPIO_SetBits(GPIOE, GPIO_PIN_0);

        /* Check if Backup data registers has been written */
        if(CheckBackupReg(0x1226) == 0x00)
        {
            /* Backup data registers values are correct */
            /* Turn on LED2 */
            GPIO_SetBits(GPIOC, GPIO_PIN_0);
        }
        else
        { 
            /* Backup data registers values are not correct or they are not 
               written*/
            /* Write data to Backup data registers */
            WriteToBackupReg(0x1226);

            /* Turn on LED3 */
            GPIO_SetBits(GPIOC, GPIO_PIN_2);
        }
    }

    /* Turn on LED5 */
    GPIO_SetBits(GPIOE, GPIO_PIN_1);
       
    while (1)
    {
    }
}
Example #6
0
/**
  * @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();

  /* Write to the first RTC Backup Data Register */
  RTC_WriteBackupRegister(RTC_BKP_DR0, FIRST_DATA);

  /* Display the new RCC BDCR and RTC TAFCR Registers */
  LCD_UsrLog ("RTC Reconfig \n");
  LCD_UsrLog ("RCC BDCR = 0x%x\n", RCC->BDCR);
  LCD_UsrLog ("RTC TAFCR = 0x%x\n", RTC->TAFCR);

  /* Set the Time */
  RTC_TimeStructure.RTC_Hours   = 0x08;
  RTC_TimeStructure.RTC_Minutes = 0x00;
  RTC_TimeStructure.RTC_Seconds = 0x00;

  /* Set the Date */
  RTC_DateStructure.RTC_Month = RTC_Month_March;
  RTC_DateStructure.RTC_Date = 0x18;
  RTC_DateStructure.RTC_Year = 0x11;
  RTC_DateStructure.RTC_WeekDay = RTC_Weekday_Friday;

  /* Calendar Configuration */
  RTC_InitStructure.RTC_AsynchPrediv = AsynchPrediv;
  RTC_InitStructure.RTC_SynchPrediv =  SynchPrediv;
  RTC_InitStructure.RTC_HourFormat = RTC_HourFormat_24;
  RTC_Init(&RTC_InitStructure);

  /* Set Current Time and Date */
  RTC_SetTime(RTC_Format_BCD, &RTC_TimeStructure);
  RTC_SetDate(RTC_Format_BCD, &RTC_DateStructure);

  /* Configure the RTC Wakeup Clock source and Counter (Wakeup event each 1 second) */
  RTC_WakeUpClockConfig(RTC_WakeUpClock_RTCCLK_Div16);
  RTC_SetWakeUpCounter(0x7FF);

  /* Enable the Wakeup Interrupt */
  RTC_ITConfig(RTC_IT_WUT, ENABLE);

  /* Enable Wakeup Counter */
  RTC_WakeUpCmd(ENABLE);

/*  Backup SRAM ***************************************************************/
  /* Enable BKPRAM Clock */
  RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_BKPSRAM, ENABLE);

  /* Write to Backup SRAM with 32-Bit Data */
  for (i = 0x0; i < 0x1000; i += 4)
  {
    *(__IO uint32_t *) (BKPSRAM_BASE + i) = i;
  }
  /* Check the written Data */
  for (i = 0x0; i < 0x1000; i += 4)
  {
    if ((*(__IO uint32_t *) (BKPSRAM_BASE + i)) != i)
    {
      errorindex++;
    }
  }

  if(errorindex)
  {
    LCD_ErrLog ("BKP SRAM Number of errors = %d\n", errorindex);
  }
  else
  {
    LCD_UsrLog ("BKP SRAM write OK \n");
  }

  /* Enable the Backup SRAM low power Regulator to retain it's content in VBAT mode */
  PWR_BackupRegulatorCmd(ENABLE);

  /* Wait until the Backup SRAM low power Regulator is ready */
  while(PWR_GetFlagStatus(PWR_FLAG_BRR) == RESET)
  {
  }

/* RTC Backup Data Registers **************************************************/
  /* Write to RTC Backup Data Registers */
  WriteToBackupReg(FIRST_DATA);
}
Example #7
0
/**
  * @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
     */     
       
  /* NVIC configuration */
  NVIC_Configuration();
    
  /* 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);

  /* Disable Tamper pin */
  BKP_TamperPinCmd(DISABLE);
  
  /* Disable Tamper interrupt */
  BKP_ITConfig(DISABLE);

  /* Tamper pin active on low level */
  BKP_TamperPinLevelConfig(BKP_TamperPinLevel_Low);

  /* Clear Tamper pin Event(TE) pending flag */
  BKP_ClearFlag();

  /* Enable Tamper interrupt */
  BKP_ITConfig(ENABLE);

  /* Enable Tamper pin */
  BKP_TamperPinCmd(ENABLE);
   
  /* Write data to Backup DRx registers */
  WriteToBackupReg(0xA53C);
  
  /* Check if the written data are correct */
  if(CheckBackupReg(0xA53C) == 0x00)
  {
    /* Turn on LED1 */
    STM_EVAL_LEDOn(LED1);
  }
  else
  {
    /* Turn on LED2 */
    STM_EVAL_LEDOn(LED2);
  }
        
  while (1)
  {    
  }
}