text: /**
    ******************************************************************************
    * @file    stm32f0xx_hal_dma_ex.h
    * @author  MCD Application Team
    * @version V1.0.1
    * @date    18-June-2014
    * @brief   Header file of DMA HAL Extension module.
    ******************************************************************************
    * @attention
    *
    * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
    *
    * Redistribution and use in source and binary forms, with or without modification,
    * are permitted provided that the following conditions are met:
    *   1. Redistributions of source code must retain the above copyright notice,
    *      this list of conditions and the following disclaimer.
    *   2. Redistributions in binary form must reproduce the above copyright notice,
    *      this list of conditions and the following disclaimer in the documentation
    *      and/or other materials provided with the distribution.
    *   3. Neither the name of STMicroelectronics nor the names of its contributors
    *      may be used to endorse or promote products derived from this software
    *      without specific prior written permission.
    *
    * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
    * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
    * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
    * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
    * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    *
    ******************************************************************************
    */ 
  
  /* Define to prevent recursive inclusion -------------------------------------*/
  #ifndef __STM32F0xx_HAL_DMA_EX_H
  #define __STM32F0xx_HAL_DMA_EX_H
  
  #ifdef __cplusplus
   extern "C" {
  #endif
  
  /* Includes ------------------------------------------------------------------*/
  #include "stm32f0xx_hal_def.h"
  
  /** @addtogroup STM32F0xx_HAL_Driver
    * @{
    */
  
  /** @addtogroup DMA
    * @{
    */ 
  
  /* Exported types ------------------------------------------------------------*/ 
  /* Exported constants --------------------------------------------------------*/
  /* Exported macros -----------------------------------------------------------*/
  /** @addtogroup DMA_Exported_Macros
    * @{
    */
  /* Interrupt & Flag management */
  
  #if defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
  /**
    * @brief  Returns the current DMA Channel transfer complete flag.
    * @param  __HANDLE__: DMA handle
    * @retval The specified transfer complete flag index.
    */      
  #define __HAL_DMA_GET_TC_FLAG_INDEX(__HANDLE__) \
  (((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel1))? DMA_FLAG_TC1 :\
   ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel2))? DMA_FLAG_TC2 :\
   ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel3))? DMA_FLAG_TC3 :\
   ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel4))? DMA_FLAG_TC4 :\
   ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel5))? DMA_FLAG_TC5 :\
   ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel6))? DMA_FLAG_TC6 :\
     DMA_FLAG_TC7)
  
  /**
    * @brief  Returns the current DMA Channel half transfer complete flag.
    * @param  __HANDLE__: DMA handle
    * @retval The specified half transfer complete flag index.
    */      
  #define __HAL_DMA_GET_HT_FLAG_INDEX(__HANDLE__)\
  (((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel1))? DMA_FLAG_HT1 :\
   ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel2))? DMA_FLAG_HT2 :\
   ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel3))? DMA_FLAG_HT3 :\
   ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel4))? DMA_FLAG_HT4 :\
   ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel5))? DMA_FLAG_HT5 :\
   ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel6))? DMA_FLAG_HT6 :\
     DMA_FLAG_HT7)
  
  /**
    * @brief  Returns the current DMA Channel transfer error flag.
    * @param  __HANDLE__: DMA handle
    * @retval The specified transfer error flag index.
    */
  #define __HAL_DMA_GET_TE_FLAG_INDEX(__HANDLE__)\
  (((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel1))? DMA_FLAG_TE1 :\
   ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel2))? DMA_FLAG_TE2 :\
   ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel3))? DMA_FLAG_TE3 :\
   ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel4))? DMA_FLAG_TE4 :\
   ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel5))? DMA_FLAG_TE5 :\
   ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel6))? DMA_FLAG_TE6 :\
     DMA_FLAG_TE7)
  
  /**
    * @brief  Get the DMA Channel pending flags.
    * @param  __HANDLE__: DMA handle
    * @param  __FLAG__: Get the specified flag.
    *          This parameter can be any combination of the following values:
    *            @arg DMA_FLAG_TCIFx:  Transfer complete flag
    *            @arg DMA_FLAG_HTIFx:  Half transfer complete flag
    *            @arg DMA_FLAG_TEIFx:  Transfer error flag
    *         Where x can be 1_7 to select the DMA Channel flag.   
    * @retval The state of FLAG (SET or RESET).
    */
  
  #define __HAL_DMA_GET_FLAG(__HANDLE__, __FLAG__)   (DMA1->ISR & (__FLAG__))
  
  /**
    * @brief  Clears the DMA Channel pending flags.
    * @param  __HANDLE__: DMA handle
    * @param  __FLAG__: specifies the flag to clear.
    *          This parameter can be any combination of the following values:
    *            @arg DMA_FLAG_TCIFx:  Transfer complete flag
    *            @arg DMA_FLAG_HTIFx:  Half transfer complete flag
    *            @arg DMA_FLAG_TEIFx:  Transfer error flag
    *         Where x can be 1_7 to select the DMA Channel flag.   
    * @retval None
    */
  #define __HAL_DMA_CLEAR_FLAG(__HANDLE__, __FLAG__) (DMA1->IFCR = (__FLAG__))
  
  #else /* STM32F030x8_STM32F031x6_STM32F038xx_STM32F051x8_STM32F058xx Product devices */
  /**
    * @brief  Returns the current DMA Channel transfer complete flag.
    * @param  __HANDLE__: DMA handle
    * @retval The specified transfer complete flag index.
    */      
  #define __HAL_DMA_GET_TC_FLAG_INDEX(__HANDLE__) \
  (((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel1))? DMA_FLAG_TC1 :\
   ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel2))? DMA_FLAG_TC2 :\
   ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel3))? DMA_FLAG_TC3 :\
   ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel4))? DMA_FLAG_TC4 :\
     DMA_FLAG_TC5)
  
  /**
    * @brief  Returns the current DMA Channel half transfer complete flag.
    * @param  __HANDLE__: DMA handle
    * @retval The specified half transfer complete flag index.
    */      
  #define __HAL_DMA_GET_HT_FLAG_INDEX(__HANDLE__)\
  (((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel1))? DMA_FLAG_HT1 :\
   ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel2))? DMA_FLAG_HT2 :\
   ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel3))? DMA_FLAG_HT3 :\
   ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel4))? DMA_FLAG_HT4 :\
     DMA_FLAG_HT5)
  
  /**
    * @brief  Returns the current DMA Channel transfer error flag.
    * @param  __HANDLE__: DMA handle
    * @retval The specified transfer error flag index.
    */
  #define __HAL_DMA_GET_TE_FLAG_INDEX(__HANDLE__)\
  (((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel1))? DMA_FLAG_TE1 :\
   ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel2))? DMA_FLAG_TE2 :\
   ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel3))? DMA_FLAG_TE3 :\
   ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel4))? DMA_FLAG_TE4 :\
     DMA_FLAG_TE5)
  
  /**
    * @brief  Get the DMA Channel pending flags.
    * @param  __HANDLE__: DMA handle
    * @param  __FLAG__: Get the specified flag.
    *          This parameter can be any combination of the following values:
    *            @arg DMA_FLAG_TCIFx:  Transfer complete flag
    *            @arg DMA_FLAG_HTIFx:  Half transfer complete flag
    *            @arg DMA_FLAG_TEIFx:  Transfer error flag
    *         Where x can be 1_5 to select the DMA Channel flag.   
    * @retval The state of FLAG (SET or RESET).
    */
  
  #define __HAL_DMA_GET_FLAG(__HANDLE__, __FLAG__)   (DMA1->ISR & (__FLAG__))
  
  /**
    * @brief  Clears the DMA Channel pending flags.
    * @param  __HANDLE__: DMA handle
    * @param  __FLAG__: specifies the flag to clear.
    *          This parameter can be any combination of the following values:
    *            @arg DMA_FLAG_TCIFx:  Transfer complete flag
    *            @arg DMA_FLAG_HTIFx:  Half transfer complete flag
    *            @arg DMA_FLAG_TEIFx:  Transfer error flag
    *         Where x can be 1_5 to select the DMA Channel flag.   
    * @retval None
    */
  #define __HAL_DMA_CLEAR_FLAG(__HANDLE__, __FLAG__) (DMA1->IFCR = (__FLAG__))
  
  #endif
  
  /**
    * @}
    */
  
  /**
    * @}
    */ 
  
  /**
    * @}
    */
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* __STM32F0xx_HAL_DMA_EX_H */
  
  /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  