/** ****************************************************************************** * @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****/