text: /**
   ******************************************************************************
   * @file    stm32f3xx_hal_dac.h
   * @author  MCD Application Team
   * @brief   Header file of DAC HAL module.
   ******************************************************************************
   * @attention
   *
   * <h2><center>&copy; COPYRIGHT(c) 2016 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 __STM32F3xx_HAL_DAC_H
  #define __STM32F3xx_HAL_DAC_H
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /* Includes ------------------------------------------------------------------*/
  #include "stm32f3xx_hal_def.h"
  
  /** @addtogroup STM32F3xx_HAL_Driver
   * @{
   */
  
  /** @addtogroup DAC
   * @{
   */
  
  /* Exported types ------------------------------------------------------------*/
  
  /** @defgroup DAC_Exported_Types DAC Exported Types
   * @{
   */
  
  /** 
   * @brief  HAL State structures definition  
   */
  typedef enum {
  	HAL_DAC_STATE_RESET = 0x00U, /*!< DAC not yet initialized or disabled  */
  	HAL_DAC_STATE_READY = 0x01U, /*!< DAC initialized and ready for use    */
  	HAL_DAC_STATE_BUSY = 0x02U, /*!< DAC internal processing is ongoing   */
  	HAL_DAC_STATE_TIMEOUT = 0x03U, /*!< DAC timeout state                    */
  	HAL_DAC_STATE_ERROR = 0x04 /*!< DAC error state                      */
  
  } HAL_DAC_StateTypeDef;
  
  /** 
   * @brief   DAC Configuration regular Channel structure definition  
   */
  typedef struct {
  	uint32_t DAC_Trigger; /*!< Specifies the external trigger for the selected DAC channel.
  	 This parameter can be a value of @ref DACEx_trigger_selection */
  
  	uint32_t DAC_OutputBuffer; /*!< Specifies whether the DAC channel output buffer is enabled or disabled.
  	 This parameter can be a value of @ref DAC_output_buffer 
  	 For a given DAC channel, is this paramater applies then DAC_OutputSwitch 
  	 does not apply */
  
  	uint32_t DAC_OutputSwitch; /*!< Specifies whether the DAC channel output switch is enabled or disabled.
  	 This parameter can be a value of @ref DAC_OutputSwitch 
  	 For a given DAC channel, is this paramater applies then DAC_OutputBuffer 
  	 does not apply */
  
  } DAC_ChannelConfTypeDef;
  
  /** 
   * @brief  DAC handle Structure definition  
   */
  typedef struct __DAC_HandleTypeDef {
  	DAC_TypeDef *Instance; /*!< Register base address             */
  
  	__IO HAL_DAC_StateTypeDef State; /*!< DAC communication state           */
  
  	HAL_LockTypeDef Lock; /*!< DAC locking object                */
  
  	DMA_HandleTypeDef *DMA_Handle1; /*!< Pointer DMA handler for channel 1U */
  
  	DMA_HandleTypeDef *DMA_Handle2; /*!< Pointer DMA handler for channel 2U */
  
  	__IO uint32_t ErrorCode; /*!< DAC Error code                    */
  
  } DAC_HandleTypeDef;
  /**
   * @}
   */
  
  /* Exported constants --------------------------------------------------------*/
  /** @defgroup DAC_Exported_Constants DAC Exported Constants
   * @{
   */
  
  /** @defgroup DAC_Error_Code DAC Error Code
   * @{
   */
  #define  HAL_DAC_ERROR_NONE              0x00    /*!< No error                          */
  #define  HAL_DAC_ERROR_DMAUNDERRUNCH1    0x01    /*!< DAC channel1 DMA underrun error   */
  #define  HAL_DAC_ERROR_DMAUNDERRUNCH2    0x02    /*!< DAC channel2 DMA underrun error   */
  #define  HAL_DAC_ERROR_DMA               0x04    /*!< DMA error                         */   
  /**
   * @}
   */
  
  /** @defgroup DAC_lfsrunmask_triangleamplitude DAC lfsrunmask triangleamplitude
   * @{
   */
  #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 1U */
  #define DAC_TRIANGLEAMPLITUDE_3            ((uint32_t)DAC_CR_MAMP1_0) /*!< Select max triangle amplitude of 3U */
  #define DAC_TRIANGLEAMPLITUDE_7            ((uint32_t)DAC_CR_MAMP1_1) /*!< Select max triangle amplitude of 7U */
  #define DAC_TRIANGLEAMPLITUDE_15           ((uint32_t)DAC_CR_MAMP1_1 | DAC_CR_MAMP1_0) /*!< Select max triangle amplitude of 15U */
  #define DAC_TRIANGLEAMPLITUDE_31           ((uint32_t)DAC_CR_MAMP1_2) /*!< Select max triangle amplitude of 31U */
  #define DAC_TRIANGLEAMPLITUDE_63           ((uint32_t)DAC_CR_MAMP1_2 | DAC_CR_MAMP1_0) /*!< Select max triangle amplitude of 63U */
  #define DAC_TRIANGLEAMPLITUDE_127          ((uint32_t)DAC_CR_MAMP1_2 | DAC_CR_MAMP1_1) /*!< Select max triangle amplitude of 127U */
  #define DAC_TRIANGLEAMPLITUDE_255          ((uint32_t)DAC_CR_MAMP1_2 | DAC_CR_MAMP1_1 | DAC_CR_MAMP1_0) /*!< Select max triangle amplitude of 255U */
  #define DAC_TRIANGLEAMPLITUDE_511          ((uint32_t)DAC_CR_MAMP1_3) /*!< Select max triangle amplitude of 511U */
  #define DAC_TRIANGLEAMPLITUDE_1023         ((uint32_t)DAC_CR_MAMP1_3 | DAC_CR_MAMP1_0) /*!< Select max triangle amplitude of 1023U */
  #define DAC_TRIANGLEAMPLITUDE_2047         ((uint32_t)DAC_CR_MAMP1_3 | DAC_CR_MAMP1_1) /*!< Select max triangle amplitude of 2047U */
  #define DAC_TRIANGLEAMPLITUDE_4095         ((uint32_t)DAC_CR_MAMP1_3 | DAC_CR_MAMP1_1 | DAC_CR_MAMP1_0) /*!< Select max triangle amplitude of 4095U */
  
  /**
   * @}
   */
  
  /** @defgroup DAC_output_buffer DAC output buffer
   * @{
   */
  #define DAC_OUTPUTBUFFER_ENABLE            (0x00000000U)
  #define DAC_OUTPUTBUFFER_DISABLE           ((uint32_t)DAC_CR_BOFF1)
  
  /**
   * @}
   */
  
  #if defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx)
  /** @defgroup DAC_output_switch DAC output switch
   * @{
   */
  #define DAC_OUTPUTSWITCH_DISABLE           (0x00000000U)
  #define DAC_OUTPUTSWITCH_ENABLE            ((uint32_t)DAC_CR_OUTEN1)
  
  /**
   * @}
   */
  
  #endif /* STM32F303x8 || STM32F334x8 || STM32F328xx || */
  /** @defgroup DAC_data_alignement DAC data alignement
   * @{
   */
  #define DAC_ALIGN_12B_R                    (0x00000000U)
  #define DAC_ALIGN_12B_L                    (0x00000004U)
  #define DAC_ALIGN_8B_R                     (0x00000008U)
  
  /**
   * @}
   */
  
  /** @defgroup DAC_flags_definition DAC flags definition
   * @{
   */
  #define DAC_FLAG_DMAUDR1                   ((uint32_t)DAC_SR_DMAUDR1)
  #define DAC_FLAG_DMAUDR2                   ((uint32_t)DAC_SR_DMAUDR2)   
  /**
   * @}
   */
  
  /** @defgroup DAC_interrupts_definition DAC interrupts definition
   * @{
   */
  #define DAC_IT_DMAUDR1                   ((uint32_t)DAC_CR_DMAUDRIE1)
  #define DAC_IT_DMAUDR2                   ((uint32_t)DAC_CR_DMAUDRIE2) 
  
  /**
   * @}
   */
  
  /**
   * @}
   */
  
  /* Exported macro ------------------------------------------------------------*/
  
  /** @defgroup DAC_Exported_Macros DAC Exported Macros
   * @{
   */
  
  /** @brief Reset DAC handle state
   * @param  __HANDLE__ specifies the DAC handle.
   * @retval None
   */
  #define __HAL_DAC_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_DAC_STATE_RESET)
  
  /** @brief Enable the DAC channel
   * @param  __HANDLE__ specifies the DAC handle.
   * @param  __DAC_Channel__ specifies the DAC channel
   * @retval None
   */
  #define __HAL_DAC_ENABLE(__HANDLE__, __DAC_Channel__) \
  ((__HANDLE__)->Instance->CR |=  (DAC_CR_EN1 << (__DAC_Channel__)))
  
  /** @brief Disable the DAC channel
   * @param  __HANDLE__ specifies the DAC handle
   * @param  __DAC_Channel__ specifies the DAC channel.
   * @retval None
   */
  #define __HAL_DAC_DISABLE(__HANDLE__, __DAC_Channel__) \
  ((__HANDLE__)->Instance->CR &=  ~(DAC_CR_EN1 << (__DAC_Channel__)))
  
  /** @brief Set DHR12R1 alignment
   * @param  __ALIGNMENT__ specifies the DAC alignment
   * @retval None
   */
  #define DAC_DHR12R1_ALIGNMENT(__ALIGNMENT__) ((0x00000008U) + (__ALIGNMENT__))
  
  /** @brief  Set DHR12R2 alignment
   * @param  __ALIGNMENT__ specifies the DAC alignment
   * @retval None
   */
  #define DAC_DHR12R2_ALIGNMENT(__ALIGNMENT__) ((0x00000014U) + (__ALIGNMENT__))
  
  /** @brief  Set DHR12RD alignment
   * @param  __ALIGNMENT__ specifies the DAC alignment
   * @retval None
   */
  #define DAC_DHR12RD_ALIGNMENT(__ALIGNMENT__) ((0x00000020U) + (__ALIGNMENT__))
  
  /** @brief Enable the DAC interrupt
   * @param  __HANDLE__ specifies the DAC handle
   * @param  __INTERRUPT__ specifies the DAC interrupt.
   *          This parameter can be any combination of the following values:
   *            @arg DAC_IT_DMAUDR1: DAC channel 1 DMA underrun interrupt
   *            @arg DAC_IT_DMAUDR2: DAC channel 2 DMA underrun interrupt
   * @retval None
   */
  #define __HAL_DAC_ENABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CR) |= (__INTERRUPT__))
  
  /** @brief Disable the DAC interrupt
   * @param  __HANDLE__ specifies the DAC handle
   * @param  __INTERRUPT__ specifies the DAC interrupt.
   *          This parameter can be any combination of the following values:
   *            @arg DAC_IT_DMAUDR1: DAC channel 1 DMA underrun interrupt
   *            @arg DAC_IT_DMAUDR2: DAC channel 2 DMA underrun interrupt
   * @retval None
   */
  #define __HAL_DAC_DISABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CR) &= ~(__INTERRUPT__))
  
  /** @brief  Check whether the specified DAC interrupt source is enabled or not
   * @param __HANDLE__ DAC handle
   * @param __INTERRUPT__ DAC interrupt source to check
   *          This parameter can be any combination of the following values:
   *            @arg DAC_IT_DMAUDR1: DAC channel 1 DMA underrun interrupt
   *            @arg DAC_IT_DMAUDR2: DAC channel 2 DMA underrun interrupt
   * @retval State of interruption (SET or RESET)
   */
  #define __HAL_DAC_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CR & (__INTERRUPT__)) == (__INTERRUPT__))
  
  /** @brief  Get the selected DAC's flag status
   * @param  __HANDLE__ specifies the DAC handle.
   * @param  __FLAG__ specifies the DAC flag to get.
   *          This parameter can be any combination of the following values:
   *            @arg DAC_FLAG_DMAUDR1: DAC channel 1 DMA underrun flag
   *            @arg DAC_FLAG_DMAUDR2: DAC channel 2 DMA underrun flag
   * @retval None
   */
  #define __HAL_DAC_GET_FLAG(__HANDLE__, __FLAG__) ((((__HANDLE__)->Instance->SR) & (__FLAG__)) == (__FLAG__))
  
  /** @brief  Clear the DAC's flag
   * @param  __HANDLE__ specifies the DAC handle.
   * @param  __FLAG__ specifies the DAC flag to clear.
   *          This parameter can be any combination of the following values:
   *            @arg DAC_FLAG_DMAUDR1: DAC channel 1 DMA underrun flag
   *            @arg DAC_FLAG_DMAUDR2: DAC channel 2 DMA underrun flag
   * @retval None
   */
  #define __HAL_DAC_CLEAR_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR) = (__FLAG__))
  
  /**
   * @}
   */
  
  /* Private macro -------------------------------------------------------------*/
  
  /** @addtogroup 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))
  
  #define IS_DAC_OUTPUT_BUFFER_STATE(STATE) (((STATE) == DAC_OUTPUTBUFFER_ENABLE) || \
                                             ((STATE) == DAC_OUTPUTBUFFER_DISABLE))
  
  #if defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx)
  #define IS_DAC_OUTPUT_SWITCH_STATE(STATE) (((STATE) == DAC_OUTPUTSWITCH_DISABLE) || \
                                             ((STATE) == DAC_OUTPUTSWITCH_ENABLE))
  
  #endif /* STM32F303x8 || STM32F334x8 || STM32F328xx || */
  #define IS_DAC_ALIGN(ALIGN) (((ALIGN) == DAC_ALIGN_12B_R) || \
                               ((ALIGN) == DAC_ALIGN_12B_L) || \
                               ((ALIGN) == DAC_ALIGN_8B_R))
  
  #define IS_DAC_DATA(DATA) ((DATA) <= 0xFFF0U) 
  
  /**
   * @}
   */
  
  /* Include DAC HAL Extended module */
  #include "stm32f3xx_hal_dac_ex.h" 
  
  /* Exported functions --------------------------------------------------------*/
  
  /** @addtogroup DAC_Exported_Functions
   * @{
   */
  
  /** @addtogroup DAC_Exported_Functions_Group1
   * @{
   */
  /* Initialization and de-initialization functions *****************************/
  HAL_StatusTypeDef HAL_DAC_Init(DAC_HandleTypeDef* hdac);
  HAL_StatusTypeDef HAL_DAC_DeInit(DAC_HandleTypeDef* hdac);
  void HAL_DAC_MspInit(DAC_HandleTypeDef* hdac);
  void HAL_DAC_MspDeInit(DAC_HandleTypeDef* hdac);
  
  /**
   * @}
   */
  
  /** @addtogroup DAC_Exported_Functions_Group2
   * @{
   */
  /* IO operation functions *****************************************************/
  HAL_StatusTypeDef HAL_DAC_Start(DAC_HandleTypeDef* hdac, uint32_t Channel);
  HAL_StatusTypeDef HAL_DAC_Stop(DAC_HandleTypeDef* hdac, uint32_t Channel);
  HAL_StatusTypeDef HAL_DAC_Start_DMA(DAC_HandleTypeDef* hdac, uint32_t Channel,
  		uint32_t* pData, uint32_t Length, uint32_t Alignment);
  HAL_StatusTypeDef HAL_DAC_Stop_DMA(DAC_HandleTypeDef* hdac, uint32_t Channel);
  uint32_t HAL_DAC_GetValue(DAC_HandleTypeDef* hdac, uint32_t Channel);
  HAL_StatusTypeDef HAL_DAC_ConfigChannel(DAC_HandleTypeDef* hdac,
  		DAC_ChannelConfTypeDef* sConfig, uint32_t Channel);
  
  void HAL_DAC_IRQHandler(DAC_HandleTypeDef* hdac);
  void HAL_DAC_ConvCpltCallbackCh1(DAC_HandleTypeDef* hdac);
  void HAL_DAC_ConvHalfCpltCallbackCh1(DAC_HandleTypeDef* hdac);
  void HAL_DAC_ErrorCallbackCh1(DAC_HandleTypeDef *hdac);
  void HAL_DAC_DMAUnderrunCallbackCh1(DAC_HandleTypeDef *hdac);
  
  /**
   * @}
   */
  
  /** @addtogroup DAC_Exported_Functions_Group3
   * @{
   */
  /* Peripheral Control functions ***********************************************/
  HAL_StatusTypeDef HAL_DAC_SetValue(DAC_HandleTypeDef* hdac, uint32_t Channel,
  		uint32_t Alignment, uint32_t Data);
  
  /**
   * @}
   */
  
  /** @addtogroup DAC_Exported_Functions_Group4
   * @{
   */
  /* Peripheral State and Error functions ***************************************/
  HAL_DAC_StateTypeDef HAL_DAC_GetState(DAC_HandleTypeDef* hdac);
  uint32_t HAL_DAC_GetError(DAC_HandleTypeDef *hdac);
  
  /**
   * @}
   */
  
  /**
   * @}
   */
  
  /**
   * @}
   */
  
  /**
   * @}
   */
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /*__STM32F3xx_HAL_DAC_H */
  
  /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  