STM32F0xx Standard Peripherals Firmware Library: stm32f0xx_it.c Source File

00001 /**
00002   ******************************************************************************
00003   * @file    I2S/I2S_DataExchangeDMA/stm32f0xx_it.c 
00004   * @author  MCD Application Team
00005   * @version V1.4.0
00006   * @date    24-July-2014
00007   * @brief   Main Interrupt Service Routines.
00008   *          This file provides template for all exceptions handler and 
00009   *          peripherals interrupt service routine.
00010   ******************************************************************************
00011   * @attention
00012   *
00013   * <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
00014   *
00015   * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
00016   * You may not use this file except in compliance with the License.
00017   * You may obtain a copy of the License at:
00018   *
00019   *        http://www.st.com/software_license_agreement_liberty_v2
00020   *
00021   * Unless required by applicable law or agreed to in writing, software 
00022   * distributed under the License is distributed on an "AS IS" BASIS, 
00023   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00024   * See the License for the specific language governing permissions and
00025   * limitations under the License.
00026   *
00027   ******************************************************************************
00028   */
00029 
00030 /* Includes ------------------------------------------------------------------*/
00031 #include "stm32f0xx_it.h"
00032 
00033 /** @addtogroup STM32F0xx_StdPeriph_Examples
00034   * @{
00035   */
00036 
00037 /** @addtogroup I2S_DataExchangeDMA
00038   * @{
00039   */
00040 
00041 /* Private typedef -----------------------------------------------------------*/
00042 /* Private define ------------------------------------------------------------*/
00043 /* Private macro -------------------------------------------------------------*/
00044 /* Private variables ---------------------------------------------------------*/
00045 extern uint8_t TxStatus, RxStatus;
00046 
00047 /* Private function prototypes -----------------------------------------------*/
00048 /* Private functions ---------------------------------------------------------*/
00049 
00050 /******************************************************************************/
00051 /*            Cortex-M0 Processor Exceptions Handlers                         */
00052 /******************************************************************************/
00053 
00054 /**
00055   * @brief  This function handles NMI exception.
00056   * @param  None
00057   * @retval None
00058   */
00059 void NMI_Handler(void)
00060 {
00061 }
00062 
00063 /**
00064   * @brief  This function handles Hard Fault exception.
00065   * @param  None
00066   * @retval None
00067   */
00068 void HardFault_Handler(void)
00069 {
00070   /* Go to infinite loop when Hard Fault exception occurs */
00071   while (1)
00072   {
00073   }
00074 }
00075 
00076 /**
00077   * @brief  This function handles SVCall exception.
00078   * @param  None
00079   * @retval None
00080   */
00081 void SVC_Handler(void)
00082 {
00083 }
00084 
00085 /**
00086   * @brief  This function handles PendSVC exception.
00087   * @param  None
00088   * @retval None
00089   */
00090 void PendSV_Handler(void)
00091 {
00092 }
00093 
00094 /**
00095   * @brief  This function handles SysTick Handler.
00096   * @param  None
00097   * @retval None
00098   */
00099 void SysTick_Handler(void)
00100 {
00101 }
00102 
00103 /******************************************************************************/
00104 /*                 STM32F0xx Peripherals Interrupt Handlers                   */
00105 /*  Add here the Interrupt Handler for the used peripheral(s) (PPP), for the  */
00106 /*  available peripheral interrupt handler's name please refer to the startup */
00107 /*  file (startup_stm32f0xx.s).                                               */
00108 /******************************************************************************/
00109 /**
00110   * @brief  This function handles DMA1 interrupt request
00111   * @param  None
00112   * @retval : None
00113   */
00114 void DMA1_Channel2_3_IRQHandler(void)
00115 { 
00116 #if defined (I2S_SLAVE_RECEIVER)
00117   if (DMA_GetITStatus(DMA1_IT_TC2)== SET)
00118   {
00119     RxStatus = 1;
00120     DMA_ClearITPendingBit(DMA1_IT_TC2);
00121   }
00122 #elif defined (I2S_MASTER_TRANSMITTER)  
00123   if (DMA_GetITStatus(DMA1_IT_TC3)== SET)
00124   {
00125     TxStatus = 1;
00126     DMA_ClearITPendingBit(DMA1_IT_TC3);
00127   }
00128 #endif
00129 }
00130 /**
00131   * @brief  This function handles PPP interrupt request.
00132   * @param  None
00133   * @retval None
00134   */
00135 /*void PPP_IRQHandler(void)
00136 {
00137 }*/
00138 
00139 /**
00140   * @}
00141   */
00142 
00143 /**
00144   * @}
00145   */
00146 
00147 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/