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/**
******************************************************************************
* @file stm32h7xx_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
*
* <h2><center>© Copyright (c) 2017 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32h7xx_hal.h"
/** @addtogroup STM32H7xx_HAL_Driver
* @{
*/
#ifdef HAL_DFSDM_MODULE_ENABLED
#if defined(DFSDM_CHDLYR_PLSSKP)
/** @defgroup DFSDMEx DFSDMEx
* @ingroup RTEMSBSPsARMSTM32H7
* @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
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
/** @defgroup DFSDMEx_Exported_Functions_Group1_Channel Extended channel operation functions
* @ingroup RTEMSBSPsARMSTM32H7
* @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(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 /* DFSDM_CHDLYR_PLSSKP */
#endif /* HAL_DFSDM_MODULE_ENABLED */
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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