diff libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/TIM/InputCapture/stm32f10x_it.c @ 0:c59513fd84fb

Initial commit of STM32 test code.
author Daniel O'Connor <darius@dons.net.au>
date Mon, 03 Oct 2011 21:19:15 +1030
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/TIM/InputCapture/stm32f10x_it.c	Mon Oct 03 21:19:15 2011 +1030
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+/**
+  ******************************************************************************
+  * @file    TIM/InputCapture/stm32f10x_it.c 
+  * @author  MCD Application Team
+  * @version V3.5.0
+  * @date    08-April-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 "stm32f10x_it.h"
+
+/** @addtogroup STM32F10x_StdPeriph_Examples
+  * @{
+  */
+
+/** @addtogroup TIM_Input_Capture
+  * @{
+  */ 
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+__IO uint16_t IC3ReadValue1 = 0, IC3ReadValue2 = 0;
+__IO uint16_t CaptureNumber = 0;
+__IO uint32_t Capture = 0;
+__IO uint32_t TIM3Freq = 0;
+
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/******************************************************************************/
+/*            Cortex-M3 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 Debug Monitor exception.
+  * @param  None
+  * @retval None
+  */
+void DebugMon_Handler(void)
+{}
+
+/**
+  * @brief  This function handles SVCall exception.
+  * @param  None
+  * @retval None
+  */
+void SVC_Handler(void)
+{}
+
+/**
+  * @brief  This function handles PendSV_Handler exception.
+  * @param  None
+  * @retval None
+  */
+void PendSV_Handler(void)
+{}
+
+/**
+  * @brief  This function handles SysTick Handler.
+  * @param  None
+  * @retval None
+  */
+void SysTick_Handler(void)
+{}
+
+/******************************************************************************/
+/*            STM32F10x Peripherals Interrupt Handlers                        */
+/******************************************************************************/
+/**
+  * @brief  This function handles TIM3 global interrupt request.
+  * @param  None
+  * @retval None
+  */
+void TIM3_IRQHandler(void)
+{ 
+  if(TIM_GetITStatus(TIM3, TIM_IT_CC2) == SET) 
+  {
+    /* Clear TIM3 Capture compare interrupt pending bit */
+    TIM_ClearITPendingBit(TIM3, TIM_IT_CC2);
+    if(CaptureNumber == 0)
+    {
+      /* Get the Input Capture value */
+      IC3ReadValue1 = TIM_GetCapture2(TIM3);
+      CaptureNumber = 1;
+    }
+    else if(CaptureNumber == 1)
+    {
+      /* Get the Input Capture value */
+      IC3ReadValue2 = TIM_GetCapture2(TIM3); 
+      
+      /* Capture computation */
+      if (IC3ReadValue2 > IC3ReadValue1)
+      {
+        Capture = (IC3ReadValue2 - IC3ReadValue1); 
+      }
+      else
+      {
+        Capture = ((0xFFFF - IC3ReadValue1) + IC3ReadValue2); 
+      }
+      /* Frequency computation */ 
+      TIM3Freq = (uint32_t) SystemCoreClock / Capture;
+      CaptureNumber = 0;
+    }
+  }
+}
+
+/******************************************************************************/
+/*                 STM32F10x 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_stm32f10x_xx.s).                                            */
+/******************************************************************************/
+
+/**
+  * @brief  This function handles PPP interrupt request.
+  * @param  None
+  * @retval None
+  */
+/*void PPP_IRQHandler(void)
+{
+}*/
+
+/**
+  * @}
+  */ 
+
+/**
+  * @}
+  */ 
+
+/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/