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- /**
- ******************************************************************************
- * @file stm32l4xx_hal_dfsdm_ex.c
- * @author MCD Application Team
- * @brief DFSDM Extended HAL module driver.
- * This file provides firmware functions to manage the following
- * functionality of the DFSDM Peripheral Controller:
- * + Set and get pulses skipping on channel.
- *
- ******************************************************************************
- * @attention
- *
- * Copyright (c) 2017 STMicroelectronics.
- * All rights reserved.
- *
- * This software is licensed under terms that can be found in the LICENSE file
- * in the root directory of this software component.
- * If no LICENSE file comes with this software, it is provided AS-IS.
- *
- ******************************************************************************
- */
- /* Includes ------------------------------------------------------------------*/
- #include "stm32l4xx_hal.h"
- /** @addtogroup STM32L4xx_HAL_Driver
- * @{
- */
- #ifdef HAL_DFSDM_MODULE_ENABLED
- #if defined(STM32L4R5xx) || defined(STM32L4R7xx) || defined(STM32L4R9xx) || defined(STM32L4S5xx) || defined(STM32L4S7xx) || defined(STM32L4S9xx) || \
- defined(STM32L4P5xx) || defined(STM32L4Q5xx)
- /** @defgroup DFSDMEx DFSDMEx
- * @brief DFSDM Extended HAL module driver
- * @{
- */
- /* Private types -------------------------------------------------------------*/
- /* Private variables ---------------------------------------------------------*/
- /* Private constants ---------------------------------------------------------*/
- /* Private macros ------------------------------------------------------------*/
- /* Private functions ---------------------------------------------------------*/
- /* Exported functions --------------------------------------------------------*/
- /** @defgroup DFSDMEx_Exported_Functions DFSDM Extended Exported Functions
- * @{
- */
- /** @defgroup DFSDMEx_Exported_Functions_Group1_Channel Extended channel operation functions
- * @brief DFSDM extended channel operation functions
- *
- @verbatim
- ===============================================================================
- ##### Extended channel operation functions #####
- ===============================================================================
- [..] This section provides functions allowing to:
- (+) Set and get value of pulses skipping on channel
- @endverbatim
- * @{
- */
- /**
- * @brief Set value of pulses skipping.
- * @param hdfsdm_channel DFSDM channel handle.
- * @param PulsesValue Value of pulses to be skipped.
- * This parameter must be a number between Min_Data = 0 and Max_Data = 63.
- * @retval HAL status.
- */
- HAL_StatusTypeDef HAL_DFDSMEx_ChannelSetPulsesSkipping(DFSDM_Channel_HandleTypeDef *hdfsdm_channel, uint32_t PulsesValue)
- {
- HAL_StatusTypeDef status = HAL_OK;
- /* Check pulses value */
- assert_param(IS_DFSDM_CHANNEL_SKIPPING_VALUE(PulsesValue));
- /* Check DFSDM channel state */
- if (hdfsdm_channel->State == HAL_DFSDM_CHANNEL_STATE_READY)
- {
- /* Set new value of pulses skipping */
- hdfsdm_channel->Instance->CHDLYR = (PulsesValue & DFSDM_CHDLYR_PLSSKP);
- }
- else
- {
- status = HAL_ERROR;
- }
- return status;
- }
- /**
- * @brief Get value of pulses skipping.
- * @param hdfsdm_channel DFSDM channel handle.
- * @param PulsesValue Value of pulses to be skipped.
- * @retval HAL status.
- */
- HAL_StatusTypeDef HAL_DFDSMEx_ChannelGetPulsesSkipping(const DFSDM_Channel_HandleTypeDef *hdfsdm_channel, uint32_t *PulsesValue)
- {
- HAL_StatusTypeDef status = HAL_OK;
- /* Check DFSDM channel state */
- if (hdfsdm_channel->State == HAL_DFSDM_CHANNEL_STATE_READY)
- {
- /* Get value of remaining pulses to be skipped */
- *PulsesValue = (hdfsdm_channel->Instance->CHDLYR & DFSDM_CHDLYR_PLSSKP);
- }
- else
- {
- status = HAL_ERROR;
- }
- return status;
- }
- /**
- * @}
- */
- /**
- * @}
- */
- /**
- * @}
- */
- #endif /* STM32L4R5xx || STM32L4R7xx || STM32L4R9xx || STM32L4S5xx || STM32L4S7xx || STM32L4S9xx || STM32L4P5xx || STM32L4Q5xx */
- #endif /* HAL_DFSDM_MODULE_ENABLED */
- /**
- * @}
- */
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