stm32f10x_it.c

STM32F103C8-PKT评估板例程

/******************** (C) COPYRIGHT 2009 STMicroelectronics ********************
* File Name          : stm32f10x_it.c
* Author             : MCD Application Team
* Version            : V3.0.0
* Date               : 04/06/2009
* 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"
#include "usb_lib.h"
#include "usb_istr.h"
#include "hw_config.h"
#include "stm32f10x_tim.h"

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

/******************************************************************************/
/*            Cortex-M3 Processor Exceptions Handlers                         */
/******************************************************************************/

/*******************************************************************************
* Function Name  : NMI_Handler
* Description    : This function handles NMI exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void NMI_Handler(void)
{
}

/*******************************************************************************
* Function Name  : HardFault_Handler
* Description    : This function handles Hard Fault exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void HardFault_Handler(void)
{
  /* Go to infinite loop when Hard Fault exception occurs */
  while (1)
  {
  }
}

/*******************************************************************************
* Function Name  : MemManage_Handler
* Description    : This function handles Memory Manage exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void MemManage_Handler(void)
{
  /* Go to infinite loop when Memory Manage exception occurs */
  while (1)
  {
  }
}

/*******************************************************************************
* Function Name  : BusFault_Handler
* Description    : This function handles Bus Fault exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void BusFault_Handler(void)
{
  /* Go to infinite loop when Bus Fault exception occurs */
  while (1)
  {
  }
}

/*******************************************************************************
* Function Name  : UsageFault_Handler
* Description    : This function handles Usage Fault exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void UsageFault_Handler(void)
{
  /* Go to infinite loop when Usage Fault exception occurs */
  while (1)
  {
  }
}

/*******************************************************************************
* Function Name  : SVC_Handler
* Description    : This function handles SVCall exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void SVC_Handler(void)
{
}

/*******************************************************************************
* Function Name  : DebugMon_Handler
* Description    : This function handles Debug Monitor exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void DebugMon_Handler(void)
{
}

/*******************************************************************************
* Function Name  : PendSV_Handler
* Description    : This function handles PendSVC exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void PendSV_Handler(void)
{
}

/*******************************************************************************
* Function Name  : SysTick_Handler
* Description    : This function handles SysTick Handler.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void SysTick_Handler(void)
{
}

/******************************************************************************/
/*            STM32F10x Peripherals Interrupt Handlers                        */
/******************************************************************************/

/*******************************************************************************
* Function Name  : USB_LP_CAN1_RX0_IRQHandler
* Description    : This function handles USB Low Priority or CAN RX0 interrupts
*                  requests.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void USB_LP_CAN1_RX0_IRQHandler(void)
{
  USB_Istr();
}

/*******************************************************************************
* Function Name  : USART1_IRQHandler
* Description    : This function handles USART1 global interrupt request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void USART1_IRQHandler(void)
{
  if (USART_GetITStatus(USART1, USART_IT_RXNE) != RESET)
  {
    /* Send the received data to the PC Host*/
    USART_2_USB_Send_Data();
  }
  
  if(USART_GetITStatus(USART1, USART_IT_TXE) != RESET)
  {   
    usb_2_usart_send_data();
  }
}

/******************************************************************************/
/*                 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).                                            */
/******************************************************************************/

/*******************************************************************************
* Function Name  : PPP_IRQHandler
* Description    : This function handles PPP interrupt request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
/*void PPP_IRQHandler(void)
{
}*/

/**
  * @brief  This function handles TIM2 global interrupt request.
  * @param  None
  * @retval : None
  */
#define CR1_CEN_Reset           ((uint16_t)0x03FE)
#define EGR_UG_Set              ((u16)0x0001)
void TIM2_IRQHandler(void)
{
  if (TIM_GetITStatus(TIM2, TIM_IT_CC1) != RESET)
  {
    TIM2->CR1 &= CR1_CEN_Reset;                           // disable timer
    TIM2->SR = (u16)~TIM_FLAG_CC1;                        // clear timer overflow flag
    usart_2_usb_process = START_USART2USB; 
  }
}


/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/