--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Common/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_dac_ex.h	Thu Mar 07 15:06:43 2019 +0100
@@ -0,0 +1,199 @@
+/**
+  ******************************************************************************
+  * @file    stm32f4xx_hal_dac.h
+  * @author  MCD Application Team
+  * @brief   Header file of DAC HAL Extension module.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
+  *
+  * 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.
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F4xx_HAL_DAC_EX_H
+#define __STM32F4xx_HAL_DAC_EX_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx) || defined(STM32F417xx) ||\
+    defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) ||\
+    defined(STM32F410Tx) || defined(STM32F410Cx) || defined(STM32F410Rx) || defined(STM32F446xx) ||\
+    defined(STM32F469xx) || defined(STM32F479xx) || defined(STM32F413xx) || defined(STM32F423xx)
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f4xx_hal_def.h"
+
+/** @addtogroup STM32F4xx_HAL_Driver
+  * @{
+  */
+
+/** @addtogroup DACEx
+  * @{
+  */
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+/** @defgroup DACEx_Exported_Constants DAC Exported Constants
+  * @{
+  */
+
+/** @defgroup DACEx_lfsrunmask_triangleamplitude DAC LFS Run Mask Triangle Amplitude
+  * @{
+  */
+#define DAC_LFSRUNMASK_BIT0                0x00000000U /*!< Unmask DAC channel LFSR bit0 for noise wave generation */
+#define DAC_LFSRUNMASK_BITS1_0             ((uint32_t)DAC_CR_MAMP1_0) /*!< Unmask DAC channel LFSR bit[1:0] for noise wave generation */
+#define DAC_LFSRUNMASK_BITS2_0             ((uint32_t)DAC_CR_MAMP1_1) /*!< Unmask DAC channel LFSR bit[2:0] for noise wave generation */
+#define DAC_LFSRUNMASK_BITS3_0             ((uint32_t)DAC_CR_MAMP1_1 | DAC_CR_MAMP1_0)/*!< Unmask DAC channel LFSR bit[3:0] for noise wave generation */
+#define DAC_LFSRUNMASK_BITS4_0             ((uint32_t)DAC_CR_MAMP1_2) /*!< Unmask DAC channel LFSR bit[4:0] for noise wave generation */
+#define DAC_LFSRUNMASK_BITS5_0             ((uint32_t)DAC_CR_MAMP1_2 | DAC_CR_MAMP1_0) /*!< Unmask DAC channel LFSR bit[5:0] for noise wave generation */
+#define DAC_LFSRUNMASK_BITS6_0             ((uint32_t)DAC_CR_MAMP1_2 | DAC_CR_MAMP1_1) /*!< Unmask DAC channel LFSR bit[6:0] for noise wave generation */
+#define DAC_LFSRUNMASK_BITS7_0             ((uint32_t)DAC_CR_MAMP1_2 | DAC_CR_MAMP1_1 | DAC_CR_MAMP1_0) /*!< Unmask DAC channel LFSR bit[7:0] for noise wave generation */
+#define DAC_LFSRUNMASK_BITS8_0             ((uint32_t)DAC_CR_MAMP1_3) /*!< Unmask DAC channel LFSR bit[8:0] for noise wave generation */
+#define DAC_LFSRUNMASK_BITS9_0             ((uint32_t)DAC_CR_MAMP1_3 | DAC_CR_MAMP1_0) /*!< Unmask DAC channel LFSR bit[9:0] for noise wave generation */
+#define DAC_LFSRUNMASK_BITS10_0            ((uint32_t)DAC_CR_MAMP1_3 | DAC_CR_MAMP1_1) /*!< Unmask DAC channel LFSR bit[10:0] for noise wave generation */
+#define DAC_LFSRUNMASK_BITS11_0            ((uint32_t)DAC_CR_MAMP1_3 | DAC_CR_MAMP1_1 | DAC_CR_MAMP1_0) /*!< Unmask DAC channel LFSR bit[11:0] for noise wave generation */
+#define DAC_TRIANGLEAMPLITUDE_1            0x00000000U /*!< Select max triangle amplitude of 1 */
+#define DAC_TRIANGLEAMPLITUDE_3            ((uint32_t)DAC_CR_MAMP1_0) /*!< Select max triangle amplitude of 3 */
+#define DAC_TRIANGLEAMPLITUDE_7            ((uint32_t)DAC_CR_MAMP1_1) /*!< Select max triangle amplitude of 7 */
+#define DAC_TRIANGLEAMPLITUDE_15           ((uint32_t)DAC_CR_MAMP1_1 | DAC_CR_MAMP1_0) /*!< Select max triangle amplitude of 15 */
+#define DAC_TRIANGLEAMPLITUDE_31           ((uint32_t)DAC_CR_MAMP1_2) /*!< Select max triangle amplitude of 31 */
+#define DAC_TRIANGLEAMPLITUDE_63           ((uint32_t)DAC_CR_MAMP1_2 | DAC_CR_MAMP1_0) /*!< Select max triangle amplitude of 63 */
+#define DAC_TRIANGLEAMPLITUDE_127          ((uint32_t)DAC_CR_MAMP1_2 | DAC_CR_MAMP1_1) /*!< Select max triangle amplitude of 127 */
+#define DAC_TRIANGLEAMPLITUDE_255          ((uint32_t)DAC_CR_MAMP1_2 | DAC_CR_MAMP1_1 | DAC_CR_MAMP1_0) /*!< Select max triangle amplitude of 255 */
+#define DAC_TRIANGLEAMPLITUDE_511          ((uint32_t)DAC_CR_MAMP1_3) /*!< Select max triangle amplitude of 511 */
+#define DAC_TRIANGLEAMPLITUDE_1023         ((uint32_t)DAC_CR_MAMP1_3 | DAC_CR_MAMP1_0) /*!< Select max triangle amplitude of 1023 */
+#define DAC_TRIANGLEAMPLITUDE_2047         ((uint32_t)DAC_CR_MAMP1_3 | DAC_CR_MAMP1_1) /*!< Select max triangle amplitude of 2047 */
+#define DAC_TRIANGLEAMPLITUDE_4095         ((uint32_t)DAC_CR_MAMP1_3 | DAC_CR_MAMP1_1 | DAC_CR_MAMP1_0) /*!< Select max triangle amplitude of 4095 */
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions --------------------------------------------------------*/
+/** @addtogroup DACEx_Exported_Functions
+  * @{
+  */
+
+/** @addtogroup DACEx_Exported_Functions_Group1
+  * @{
+  */
+/* Extension features functions ***********************************************/
+uint32_t HAL_DACEx_DualGetValue(DAC_HandleTypeDef* hdac);
+HAL_StatusTypeDef HAL_DACEx_TriangleWaveGenerate(DAC_HandleTypeDef* hdac, uint32_t Channel, uint32_t Amplitude);
+HAL_StatusTypeDef HAL_DACEx_NoiseWaveGenerate(DAC_HandleTypeDef* hdac, uint32_t Channel, uint32_t Amplitude);
+HAL_StatusTypeDef HAL_DACEx_DualSetValue(DAC_HandleTypeDef* hdac, uint32_t Alignment, uint32_t Data1, uint32_t Data2);
+
+void HAL_DACEx_ConvCpltCallbackCh2(DAC_HandleTypeDef* hdac);
+void HAL_DACEx_ConvHalfCpltCallbackCh2(DAC_HandleTypeDef* hdac);
+void HAL_DACEx_ErrorCallbackCh2(DAC_HandleTypeDef* hdac);
+void HAL_DACEx_DMAUnderrunCallbackCh2(DAC_HandleTypeDef* hdac);
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private constants ---------------------------------------------------------*/
+/** @defgroup DACEx_Private_Constants DAC Private Constants
+  * @{
+  */
+
+/**
+  * @}
+  */
+
+/* Private macros ------------------------------------------------------------*/
+/** @defgroup DACEx_Private_Macros DAC Private Macros
+  * @{
+  */
+#define IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(VALUE) (((VALUE) == DAC_LFSRUNMASK_BIT0) || \
+                                                      ((VALUE) == DAC_LFSRUNMASK_BITS1_0) || \
+                                                      ((VALUE) == DAC_LFSRUNMASK_BITS2_0) || \
+                                                      ((VALUE) == DAC_LFSRUNMASK_BITS3_0) || \
+                                                      ((VALUE) == DAC_LFSRUNMASK_BITS4_0) || \
+                                                      ((VALUE) == DAC_LFSRUNMASK_BITS5_0) || \
+                                                      ((VALUE) == DAC_LFSRUNMASK_BITS6_0) || \
+                                                      ((VALUE) == DAC_LFSRUNMASK_BITS7_0) || \
+                                                      ((VALUE) == DAC_LFSRUNMASK_BITS8_0) || \
+                                                      ((VALUE) == DAC_LFSRUNMASK_BITS9_0) || \
+                                                      ((VALUE) == DAC_LFSRUNMASK_BITS10_0) || \
+                                                      ((VALUE) == DAC_LFSRUNMASK_BITS11_0) || \
+                                                      ((VALUE) == DAC_TRIANGLEAMPLITUDE_1) || \
+                                                      ((VALUE) == DAC_TRIANGLEAMPLITUDE_3) || \
+                                                      ((VALUE) == DAC_TRIANGLEAMPLITUDE_7) || \
+                                                      ((VALUE) == DAC_TRIANGLEAMPLITUDE_15) || \
+                                                      ((VALUE) == DAC_TRIANGLEAMPLITUDE_31) || \
+                                                      ((VALUE) == DAC_TRIANGLEAMPLITUDE_63) || \
+                                                      ((VALUE) == DAC_TRIANGLEAMPLITUDE_127) || \
+                                                      ((VALUE) == DAC_TRIANGLEAMPLITUDE_255) || \
+                                                      ((VALUE) == DAC_TRIANGLEAMPLITUDE_511) || \
+                                                      ((VALUE) == DAC_TRIANGLEAMPLITUDE_1023) || \
+                                                      ((VALUE) == DAC_TRIANGLEAMPLITUDE_2047) || \
+                                                      ((VALUE) == DAC_TRIANGLEAMPLITUDE_4095))
+/**
+  * @}
+  */
+
+/* Private functions ---------------------------------------------------------*/
+/** @defgroup DACEx_Private_Functions DAC Private Functions
+  * @{
+  */
+void DAC_DMAConvCpltCh2(DMA_HandleTypeDef *hdma);
+void DAC_DMAErrorCh2(DMA_HandleTypeDef *hdma);
+void DAC_DMAHalfConvCpltCh2(DMA_HandleTypeDef *hdma); 
+/**
+  * @}
+  */
+#endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx ||\
+          STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx ||\
+          STM32F410xx || STM32F446xx || STM32F469xx || STM32F479xx ||\
+		  STM32F413xx || STM32F423xx */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+  
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__STM32F4xx_HAL_DAC_EX_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/