| /** |
| ****************************************************************************** |
| * @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(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 */ |
| |
| /** |
| * @} |
| */ |