2-RCC-System-Clock.zip_RCC-CLOCK

/******************** (C) COPYRIGHT 2008 STMicroelectronics ******************** * File Name : stm32f10x_it.c * Author : MCD Application Team * Version : V2.0.1 * Date : 06/13/2008 * Description : Main Interrupt Service Routines. * This file provides template for all exceptions handler * and peripherals interrupt service routine. ******************************************************************************** * 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. *******************************************************************************/ /* Includes ------------------------------------------------------------------*/ #include "stm32f10x_it.h" /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ /* Private function prototypes -----------------------------------------------*/ /* Private functions ---------------------------------------------------------*/ /******************************************************************************* * Function Name : NMIException * Description : This function handles NMI exception. * Input : None * Output : None * Return : None *******************************************************************************/ void NMIException(void) { /* This interrupt is generated when HSE clock fails */ if (RCC_GetITStatus(RCC_IT_CSS) != RESET) {/* At this stage: HSE, PLL are disabled (but no change on PLL config) and HSI is selected as system clock source */ /* Enable HSE */ RCC_HSEConfig(RCC_HSE_ON); /* Enable HSE Ready interrupt */ RCC_ITConfig(RCC_IT_HSERDY, ENABLE); #ifndef SYSCLK_HSE /* Enable PLL Ready interrupt */ RCC_ITConfig(RCC_IT_PLLRDY, ENABLE); #endif /* Clear Clock Security System interrupt pending bit */ RCC_ClearITPendingBit(RCC_IT_CSS); /* Once HSE clock recover, the HSERDY interrupt is generated and in the RCC ISR routine the system clock will be reconfigured to its previous state (before HSE clock failure) */ } } /******************************************************************************* * Function Name : HardFaultException * Description : This function handles Hard Fault exception. * Input : None * Output : None * Return : None *******************************************************************************/ void HardFaultException(void) { /* Go to infinite loop when Hard Fault exception occurs */ while (1) { } } /******************************************************************************* * Function Name : MemManageException * Description : This function handles Memory Manage exception. * Input : None * Output : None * Return : None *******************************************************************************/ void MemManageException(void) { /* Go to infinite loop when Memory Manage exception occurs */ while (1) { } } /******************************************************************************* * Function Name : BusFaultException * Description : This function handles Bus Fault exception. * Input : None * Output : None * Return : None *******************************************************************************/ void BusFaultException(void) { /* Go to infinite loop when Bus Fault exception occurs */ while (1) { } } /******************************************************************************* * Function Name : UsageFaultException * Description : This function handles Usage Fault exception. * Input : None * Output : None * Return : None *******************************************************************************/ void UsageFaultException(void) { /* Go to infinite loop when Usage Fault exception occurs */ while (1) { } } /******************************************************************************* * Function Name : DebugMonitor * Description : This function handles Debug Monitor exception. * Input : None * Output : None * Return : None *******************************************************************************/ void DebugMonitor(void) { } /******************************************************************************* * Function Name : SVCHandler * Description : This function handles SVCall exception. * Input : None * Output : None * Return : None *******************************************************************************/ void SVCHandler(void) { } /******************************************************************************* * Function Name : PendSVC * Description : This function handles PendSVC exception. * Input : None * Output : None * Return : None *******************************************************************************/ void PendSVC(void) { } /******************************************************************************* * Function Name : SysTickHandler * Description : This function handles SysTick Handler. * Input : None * Output : None * Return : None *******************************************************************************/ void SysTickHandler(void) { } /******************************************************************************* * Function Name : WWDG_IRQHandler * Description : This function handles WWDG interrupt request. * Input : None * Output : None * Return : None *******************************************************************************/ void WWDG_IRQHandler(void) { } /******************************************************************************* * Function Name : PVD_IRQHandler * Description : This function handles PVD interrupt request. * Input : None * Output : None * Return : None *******************************************************************************/ void PVD_IRQHandler(void) { } /******************************************************************************* * Function Name : TAMPER_IRQHandler * Description : This function handles Tamper interrupt request. * Input : None * Output : None * Return : None *******************************************************************************/ void TAMPER_IRQHandler(void) { } /******************************************************************************* * Function Name : RTC_IRQHandler * Description : This function handles RTC global interrupt request. * Input : None * Output : None * Return : None *******************************************************************************/ void RTC_IRQHandler(void) { } /******************************************************************************* * Function Name : FLASH_IRQHandler * Description : This function handles Flash interrupt request. * Input : None * Output : None * Return : None ****************************************************************************