stm32f10x_it.c

/**
  ******************************************************************************
  * @file    stm32f10x_it.c
  * @author  MCD Application Team
  * @version V1.0.0
  * @date    09/13/2010
  * @brief   Main Interrupt Service Routines.
  *          This file provides template for all exceptions handler and peripherals
  *          interrupt service routine.
  ******************************************************************************
  * @copy
  *
  * 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 2010 STMicroelectronics</center></h2>
  */

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x_it.h"
#include "usart.h"
#include "mytasks.h"
/** @addtogroup Examples
  * @{
  */

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* 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 SVCall exception.
  * @param  None
  * @retval None
  */
/*void SVC_Handler(void)
{
}*/

/**
  * @brief  This function handles Debug Monitor exception.
  * @param  None
  * @retval None
  */
void DebugMon_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)
{
	LEDToggle(5);
//Decrement the TimingDelay variable
	Decrement_TimingDelay();
}*/

/******************************************************************************/
/*                 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 EXTI0_IRQHandler(void)
//{
//
//}
void EXTI3_IRQHandler(void)
{

}
void EXTI9_5_IRQHandler(void)
{

}
void EXTI15_10_IRQHandler(void)
{

}
void USART1_IRQHandler(void)
{
  long xHigherPriorityTaskWoken = pdFALSE;
  uint8_t ch;
  //if Receive interrupt
  if (USART_GetITStatus(USART1, USART_IT_RXNE) != RESET)
    {
      ch=(uint8_t)USART_ReceiveData(USART1);
      xQueueSendToBackFromISR( RxQueue, &ch, &xHigherPriorityTaskWoken );
    }

  if (USART_GetITStatus(USART1, USART_IT_TXE) != RESET)
        {
      if( xQueueReceiveFromISR( TxQueue, &ch, &xHigherPriorityTaskWoken ) )
        {
          USART_SendData(USART1, ch);
        }else{
           //disable Transmit Data Register empty interrupt
           USART_ITConfig(USART1, USART_IT_TXE, DISABLE);
             }
        }
  portEND_SWITCHING_ISR( xHigherPriorityTaskWoken );
}

/**
  * @}
  */

/**
  * @}
  */

/******************* (C) COPYRIGHT 2010 STMicroelectronics *****END OF FILE****/