File content as of revision 171:3a7713b1edbc:

/**
  ******************************************************************************
  * @file    stm32l4xx_hal_dma_ex.h
  * @author  MCD Application Team
  * @brief   Header file of DMA HAL extension module.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT(c) 2017 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 __STM32L4xx_HAL_DMA_EX_H
#define __STM32L4xx_HAL_DMA_EX_H

#ifdef __cplusplus
extern "C" {
#endif

#if defined(DMAMUX1)

/* Includes ------------------------------------------------------------------*/
#include "stm32l4xx_hal_def.h"

/** @addtogroup STM32L4xx_HAL_Driver
  * @{
  */

/** @addtogroup DMAEx
  * @{
  */

/* Exported types ------------------------------------------------------------*/
/** @defgroup DMAEx_Exported_Types DMAEx Exported Types
  * @{
  */

/**
  * @brief  HAL DMA Synchro definition
  */


/**
  * @brief  HAL DMAMUX Synchronization configuration structure definition
  */
typedef struct
{
  uint32_t SyncSignalID;  /*!< Specifies the synchronization signal gating the DMA request in periodic mode.
                              This parameter can be a value of @ref DMAEx_DMAMUX_SyncSignalID_selection */

  uint32_t SyncPolarity;  /*!< Specifies the polarity of the signal on which the DMA request is synchronized.
                              This parameter can be a value of @ref DMAEx_DMAMUX_SyncPolarity_selection */

  FunctionalState SyncEnable;  /*!< Specifies if the synchronization shall be enabled or disabled
                                    This parameter can take the value ENABLE or DISABLE*/


  FunctionalState EventEnable;    /*!< Specifies if an event shall be generated once the RequestNumber is reached.
                                       This parameter can take the value ENABLE or DISABLE */

  uint32_t RequestNumber; /*!< Specifies the number of DMA request that will be authorized after a sync event
                               This parameter must be a number between Min_Data = 1 and Max_Data = 32 */


}HAL_DMA_MuxSyncConfigTypeDef;


/**
  * @brief  HAL DMAMUX request generator parameters structure definition
  */
typedef struct
{
 uint32_t SignalID;      /*!< Specifies the ID of the signal used for DMAMUX request generator
                              This parameter can be a value of @ref DMAEx_DMAMUX_SignalGeneratorID_selection */

  uint32_t Polarity;       /*!< Specifies the polarity of the signal on which the request is generated.
                             This parameter can be a value of @ref DMAEx_DMAMUX_RequestGeneneratorPolarity_selection */

  uint32_t RequestNumber;  /*!< Specifies the number of DMA request that will be generated after a signal event
                                This parameter must be a number between Min_Data = 1 and Max_Data = 32 */

}HAL_DMA_MuxRequestGeneratorConfigTypeDef;

/**
  * @}
  */

/* Exported constants --------------------------------------------------------*/
/** @defgroup DMAEx_Exported_Constants DMAEx Exported Constants
  * @{
  */

/** @defgroup DMAEx_DMAMUX_SyncSignalID_selection DMAMUX SyncSignalID selection
  * @{
  */
#define HAL_DMAMUX1_SYNC_EXTI0                0U           /*!<  Synchronization Signal is EXTI0  IT   */
#define HAL_DMAMUX1_SYNC_EXTI1                1U           /*!<  Synchronization Signal is EXTI1  IT   */
#define HAL_DMAMUX1_SYNC_EXTI2                2U           /*!<  Synchronization Signal is EXTI2  IT   */
#define HAL_DMAMUX1_SYNC_EXTI3                3U           /*!<  Synchronization Signal is EXTI3  IT   */
#define HAL_DMAMUX1_SYNC_EXTI4                4U           /*!<  Synchronization Signal is EXTI4  IT   */
#define HAL_DMAMUX1_SYNC_EXTI5                5U           /*!<  Synchronization Signal is EXTI5  IT   */
#define HAL_DMAMUX1_SYNC_EXTI6                6U           /*!<  Synchronization Signal is EXTI6  IT   */
#define HAL_DMAMUX1_SYNC_EXTI7                7U           /*!<  Synchronization Signal is EXTI7  IT   */
#define HAL_DMAMUX1_SYNC_EXTI8                8U           /*!<  Synchronization Signal is EXTI8  IT   */
#define HAL_DMAMUX1_SYNC_EXTI9                9U           /*!<  Synchronization Signal is EXTI9  IT   */
#define HAL_DMAMUX1_SYNC_EXTI10              10U           /*!<  Synchronization Signal is EXTI10 IT   */
#define HAL_DMAMUX1_SYNC_EXTI11              11U           /*!<  Synchronization Signal is EXTI11 IT   */
#define HAL_DMAMUX1_SYNC_EXTI12              12U           /*!<  Synchronization Signal is EXTI12 IT   */
#define HAL_DMAMUX1_SYNC_EXTI13              13U           /*!<  Synchronization Signal is EXTI13 IT   */
#define HAL_DMAMUX1_SYNC_EXTI14              14U           /*!<  Synchronization Signal is EXTI14 IT   */
#define HAL_DMAMUX1_SYNC_EXTI15              15U           /*!<  Synchronization Signal is EXTI15 IT   */
#define HAL_DMAMUX1_SYNC_DMAMUX1_CH0_EVT     16U           /*!<  Synchronization Signal is DMAMUX1 Channel0 Event  */
#define HAL_DMAMUX1_SYNC_DMAMUX1_CH1_EVT     17U           /*!<  Synchronization Signal is DMAMUX1 Channel1 Event  */
#define HAL_DMAMUX1_SYNC_DMAMUX1_CH2_EVT     18U           /*!<  Synchronization Signal is DMAMUX1 Channel2 Event  */
#define HAL_DMAMUX1_SYNC_DMAMUX1_CH3_EVT     19U           /*!<  Synchronization Signal is DMAMUX1 Channel3 Event  */
#define HAL_DMAMUX1_SYNC_LPTIM1_OUT          20U           /*!<  Synchronization Signal is LPTIM1 OUT */
#define HAL_DMAMUX1_SYNC_LPTIM2_OUT          21U           /*!<  Synchronization Signal is LPTIM2 OUT */
#define HAL_DMAMUX1_SYNC_DSI_TE              22U           /*!<  Synchronization Signal is DSI Tearing Effect      */
#define HAL_DMAMUX1_SYNC_DSI_EOT             23U           /*!<  Synchronization Signal is DSI End of refresh      */
#define HAL_DMAMUX1_SYNC_DMA2D_EOT           24U           /*!<  Synchronization Signal is DMA2D End of Transfer   */
#define HAL_DMAMUX1_SYNC_LDTC_IT             25U           /*!<  Synchronization Signal is LDTC IT    */

/**
  * @}
  */

/** @defgroup DMAEx_DMAMUX_SyncPolarity_selection DMAMUX SyncPolarity selection
  * @{
  */
#define HAL_DMAMUX_SYNC_NO_EVENT                               0U    /*!< block synchronization events        */
#define HAL_DMAMUX_SYNC_RISING     ((uint32_t)DMAMUX_CxCR_SPOL_0)    /*!< synchronize with rising edge events */
#define HAL_DMAMUX_SYNC_FALLING    ((uint32_t)DMAMUX_CxCR_SPOL_1)    /*!< synchronize with falling edge events */
#define HAL_DMAMUX_SYNC_RISING_FALLING ((uint32_t)DMAMUX_CxCR_SPOL)  /*!< synchronize with rising and falling edge events */

/**
  * @}
  */

/** @defgroup DMAEx_DMAMUX_SignalGeneratorID_selection DMAMUX SignalGeneratorID selection
  * @{
  */

#define HAL_DMAMUX1_REQUEST_GEN_EXTI0                0U        /*!< Request generator Signal is EXTI0 IT    */
#define HAL_DMAMUX1_REQUEST_GEN_EXTI1                1U        /*!< Request generator Signal is EXTI1 IT    */
#define HAL_DMAMUX1_REQUEST_GEN_EXTI2                2U        /*!< Request generator Signal is EXTI2 IT    */
#define HAL_DMAMUX1_REQUEST_GEN_EXTI3                3U        /*!< Request generator Signal is EXTI3 IT    */
#define HAL_DMAMUX1_REQUEST_GEN_EXTI4                4U        /*!< Request generator Signal is EXTI4 IT    */
#define HAL_DMAMUX1_REQUEST_GEN_EXTI5                5U        /*!< Request generator Signal is EXTI5 IT    */
#define HAL_DMAMUX1_REQUEST_GEN_EXTI6                6U        /*!< Request generator Signal is EXTI6 IT    */
#define HAL_DMAMUX1_REQUEST_GEN_EXTI7                7U        /*!< Request generator Signal is EXTI7 IT    */
#define HAL_DMAMUX1_REQUEST_GEN_EXTI8                8U        /*!< Request generator Signal is EXTI8 IT    */
#define HAL_DMAMUX1_REQUEST_GEN_EXTI9                9U        /*!< Request generator Signal is EXTI9 IT    */
#define HAL_DMAMUX1_REQUEST_GEN_EXTI10              10U        /*!< Request generator Signal is EXTI10 IT   */
#define HAL_DMAMUX1_REQUEST_GEN_EXTI11              11U        /*!< Request generator Signal is EXTI11 IT   */
#define HAL_DMAMUX1_REQUEST_GEN_EXTI12              12U        /*!< Request generator Signal is EXTI12 IT   */
#define HAL_DMAMUX1_REQUEST_GEN_EXTI13              13U        /*!< Request generator Signal is EXTI13 IT   */
#define HAL_DMAMUX1_REQUEST_GEN_EXTI14              14U        /*!< Request generator Signal is EXTI14 IT   */
#define HAL_DMAMUX1_REQUEST_GEN_EXTI15              15U        /*!< Request generator Signal is EXTI15 IT   */
#define HAL_DMAMUX1_REQUEST_GEN_DMAMUX1_CH0_EVT     16U        /*!< Request generator Signal is DMAMUX1 Channel0 Event */
#define HAL_DMAMUX1_REQUEST_GEN_DMAMUX1_CH1_EVT     17U        /*!< Request generator Signal is DMAMUX1 Channel1 Event */
#define HAL_DMAMUX1_REQUEST_GEN_DMAMUX1_CH2_EVT     18U        /*!< Request generator Signal is DMAMUX1 Channel2 Event */
#define HAL_DMAMUX1_REQUEST_GEN_DMAMUX1_CH3_EVT     19U        /*!< Request generator Signal is DMAMUX1 Channel3 Event */
#define HAL_DMAMUX1_REQUEST_GEN_LPTIM1_OUT          20U        /*!< Request generator Signal is LPTIM1 OUT  */
#define HAL_DMAMUX1_REQUEST_GEN_LPTIM2_OUT          21U        /*!< Request generator Signal is LPTIM2 OUT  */
#define HAL_DMAMUX1_REQUEST_GEN_DSI_TE              22U        /*!< Request generator Signal is DSI Tearing Effect      */
#define HAL_DMAMUX1_REQUEST_GEN_DSI_EOT             23U        /*!< Request generator Signal is DSI End of refresh      */
#define HAL_DMAMUX1_REQUEST_GEN_DMA2D_EOT           24U        /*!< Request generator Signal is DMA2D End of Transfer   */
#define HAL_DMAMUX1_REQUEST_GEN_LTDC_IT             25U        /*!< Request generator Signal is LTDC IT     */

/**
  * @}
  */

/** @defgroup DMAEx_DMAMUX_RequestGeneneratorPolarity_selection DMAMUX RequestGeneneratorPolarity selection
  * @{
  */
#define HAL_DMAMUX_REQUEST_GEN_NO_EVENT                        0U    /*!< block request generator events        */
#define HAL_DMAMUX_REQUEST_GEN_RISING         DMAMUX_RGxCR_GPOL_0    /*!< generate request on rising edge events */
#define HAL_DMAMUX_REQUEST_GEN_FALLING        DMAMUX_RGxCR_GPOL_1    /*!< generate request on falling edge events */
#define HAL_DMAMUX_REQUEST_GEN_RISING_FALLING DMAMUX_RGxCR_GPOL      /*!< generate request on rising and falling edge events */

/**
  * @}
  */

/**
  * @}
  */

/* Exported macro ------------------------------------------------------------*/

/* Exported functions --------------------------------------------------------*/
/** @addtogroup DMAEx_Exported_Functions
  * @{
  */

/* IO operation functions *****************************************************/
/** @addtogroup DMAEx_Exported_Functions_Group1
  * @{
  */

/* ------------------------- REQUEST -----------------------------------------*/
HAL_StatusTypeDef HAL_DMAEx_ConfigMuxRequestGenerator (DMA_HandleTypeDef *hdma,
             HAL_DMA_MuxRequestGeneratorConfigTypeDef *pRequestGeneratorConfig);
HAL_StatusTypeDef HAL_DMAEx_EnableMuxRequestGenerator (DMA_HandleTypeDef *hdma);
HAL_StatusTypeDef HAL_DMAEx_DisableMuxRequestGenerator (DMA_HandleTypeDef *hdma);
/* -------------------------------------------------------------------------- */

/* ------------------------- SYNCHRO -----------------------------------------*/
HAL_StatusTypeDef HAL_DMAEx_ConfigMuxSync(DMA_HandleTypeDef *hdma, HAL_DMA_MuxSyncConfigTypeDef *pSyncConfig);
/* -------------------------------------------------------------------------- */

void HAL_DMAEx_MUX_IRQHandler(DMA_HandleTypeDef *hdma);

/**
  * @}
  */

/**
  * @}
  */


/* Private macros ------------------------------------------------------------*/
/** @defgroup DMAEx_Private_Macros DMAEx Private Macros
  * @brief    DMAEx private macros
  * @{
  */

#define IS_DMAMUX_SYNC_SIGNAL_ID(SIGNAL_ID) ((SIGNAL_ID) <= HAL_DMAMUX1_SYNC_LDTC_IT)

#define IS_DMAMUX_SYNC_REQUEST_NUMBER(REQUEST_NUMBER) (((REQUEST_NUMBER) > 0) && ((REQUEST_NUMBER) <= 32))

#define IS_DMAMUX_SYNC_POLARITY(POLARITY) (((POLARITY) == HAL_DMAMUX_SYNC_NO_EVENT)    || \
                                           ((POLARITY) == HAL_DMAMUX_SYNC_RISING)   || \
                                           ((POLARITY) == HAL_DMAMUX_SYNC_FALLING)  || \
                                           ((POLARITY) == HAL_DMAMUX_SYNC_RISING_FALLING))

#define IS_DMAMUX_SYNC_STATE(SYNC) (((SYNC) == DISABLE)   || ((SYNC) == ENABLE))

#define IS_DMAMUX_SYNC_EVENT(EVENT) (((EVENT) == DISABLE)   || \
                                     ((EVENT) == ENABLE))

#define IS_DMAMUX_REQUEST_GEN_SIGNAL_ID(SIGNAL_ID) ((SIGNAL_ID) <= HAL_DMAMUX1_REQUEST_GEN_LTDC_IT)

#define IS_DMAMUX_REQUEST_GEN_REQUEST_NUMBER(REQUEST_NUMBER) (((REQUEST_NUMBER) > 0) && ((REQUEST_NUMBER) <= 32))

#define IS_DMAMUX_REQUEST_GEN_POLARITY(POLARITY) (((POLARITY) == HAL_DMAMUX_REQUEST_GEN_NO_EVENT)   || \
                                               ((POLARITY) == HAL_DMAMUX_REQUEST_GEN_RISING)  || \
                                               ((POLARITY) == HAL_DMAMUX_REQUEST_GEN_FALLING) || \
                                               ((POLARITY) == HAL_DMAMUX_REQUEST_GEN_RISING_FALLING))

/**
  * @}
  */


/**
  * @}
  */

/**
  * @}
  */

#endif /* DMAMUX1 */

#ifdef __cplusplus
}
#endif

#endif /* __STM32L4xx_HAL_DMA_H */

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