/**
******************************************************************************
* @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
*
* 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.
*
******************************************************************************
*/
/* 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)
/** @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(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 */
#endif /* HAL_DFSDM_MODULE_ENABLED */
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/