From 86608c6770cf08c138a2bdab5855072f64be09ef Mon Sep 17 00:00:00 2001
From: joshua <joshua@joshuayun.com>
Date: Sat, 30 Dec 2023 23:54:31 -0500
Subject: initial commit

---
 .../Src/stm32h7xx_hal_dfsdm_ex.c                   | 133 +++++++++++++++++++++
 1 file changed, 133 insertions(+)
 create mode 100644 Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dfsdm_ex.c

(limited to 'Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dfsdm_ex.c')

diff --git a/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dfsdm_ex.c b/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dfsdm_ex.c
new file mode 100644
index 0000000..4015d89
--- /dev/null
+++ b/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dfsdm_ex.c
@@ -0,0 +1,133 @@
+/**
+  ******************************************************************************
+  * @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
+  *
+  * 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 "stm32h7xx_hal.h"
+
+/** @addtogroup STM32H7xx_HAL_Driver
+  * @{
+  */
+
+#ifdef HAL_DFSDM_MODULE_ENABLED
+
+#if defined(DFSDM_CHDLYR_PLSSKP)
+
+/** @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 /* DFSDM_CHDLYR_PLSSKP */
+
+#endif /* HAL_DFSDM_MODULE_ENABLED */
+
+/**
+  * @}
+  */
+
-- 
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