armfly/User/stm32f4xx_it.c

/**
 ******************************************************************************
 * @file    Project/STM32F4xx_StdPeriph_Templates/stm32f4xx_it.c
 * @author  MCD Application Team
 * @version V1.5.0
 * @date    06-March-2015
 * @brief   Main Interrupt Service Routines.
 *          This file provides template for all exceptions handler and
 *          peripherals interrupt service routine.
 ******************************************************************************
 * @attention
 *
 * <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
 *
 * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
 * You may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *        http://www.st.com/software_license_agreement_liberty_v2
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 ******************************************************************************
 */

/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx.h"
#include "stm32f4xx_it.h"
#include "includes.h"
#include "netconf.h"
#include "stm32f4x7_eth.h"

extern OS_EVENT *p_semaphore;
extern OS_EVENT *g_enet_rx_sem;
/** @addtogroup Template_Project
 * @{
 */

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

/******************************************************************************/
/*            Cortex-M4 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 PendSVC exception.
 * @param  None
 * @retval None
 */
// void PendSV_Handler(void)
// {
// }

/**
 * @brief  This function handles SysTick Handler.
 * @param  None
 * @retval None
 */
// void SysTick_Handler(void)
// {
//     // TimingDelay_Decrement();
// }

/******************************************************************************/
/*                 STM32F4xx 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_stm32f4xx.s).                                               */
/******************************************************************************/

/**
 * @brief  This function handles PPP interrupt request.
 * @param  None
 * @retval None
 */
/*void PPP_IRQHandler(void)
{
}*/

/**
 * @}
 */

#ifdef USE_ENET_INTERRUPT
/*!
    \brief      this function handles ethernet interrupt request
    \param[in]  none
    \param[out] none
    \retval     none
*/
void ETH_IRQHandler(void)
{
    //    uint32_t reval;
    //    if(SET == enet_interrupt_flag_get(ENET_DMA_INT_FLAG_RS))
    //    {
    //        OSSemPost(g_rx_semaphore);
    //    }
    //    /* clear the enet DMA Rx interrupt pending bits */
    //    enet_interrupt_flag_clear(ENET_DMA_INT_FLAG_RS_CLR);
    //    enet_interrupt_flag_clear(ENET_DMA_INT_FLAG_NI_CLR);
    OSIntEnter();

    /* frame received */
    if (SET == ETH_GetDMAFlagStatus(ETH_DMA_FLAG_R))
    {

        /* clear the enet DMA Rx interrupt pending bits */
        ETH_DMAClearFlag(ETH_DMA_FLAG_R);
        ETH_DMAClearFlag(ETH_DMA_FLAG_T);

        /* give the semaphore to wakeup LwIP task */
        OSSemPost(g_enet_rx_sem);
    }

    OSIntExit();
}
#endif /* USE_ENET_INTERRUPT */

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