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stm32f10x_dac.h ( File view )

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			/**
  ******************************************************************************
  * @file    stm32f10x_dac.h
  * @author  MCD Application Team
  * @version V3.5.0
  * @date    11-March-2011
  * @brief   This file contains all the functions prototypes for the DAC firmware 
  *          library.
  ******************************************************************************
  * @attention
  *
  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  *
  * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
  ******************************************************************************
  */

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F10x_DAC_H
#define __STM32F10x_DAC_H

#ifdef __cplusplus
 extern "C" {

#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"

/** @addtogroup STM32F10x_StdPeriph_Driver
  * @{

  */

/** @addtogroup DAC
  * @{

  */

/** @defgroup DAC_Exported_Types
  * @{

  */

/** 
  * @brief  DAC Init 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 DAC_trigger_selection */

  uint32_t DAC_WaveGeneration;               /*!< Specifies whether DAC channel noise waves or triangle waves
                                                  are generated, or whether no wave is generated.
                                                  This parameter can be a value of @ref DAC_wave_generation */

  uint32_t DAC_LFSRUnmask_TriangleAmplitude; /*!< Specifies the LFSR mask for noise wave generation or
                                                  the maximum amplitude triangle generation for the DAC channel. 
                                                  This parameter can be a value of @ref DAC_lfsrunmask_triangleamplitude */

  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 */

}DAC_InitTypeDef;

/**
  * @
}
  */

/** @defgroup DAC_Exported_Constants
  * @{

  */

/** @defgroup DAC_trigger_selection 
  * @{

  */

#define DAC_Trigger_None                   ((uint32_t)0x00000000) /*!< Conversion is automatic once the DAC1_DHRxxxx register 
                                                                       has been loaded, and not by external trigger */
#define DAC_Trigger_T6_TRGO                ((uint32_t)0x00000004) /*!< TIM6 TRGO selected as external conversion trigger for DAC channel */
#define DAC_Trigger_T8_TRGO                ((uint32_t)0x0000000C) /*!< TIM8 TRGO selected as external conversion trigger for DAC channel
                                                                       only in High-density devices*/
#define DAC_Trigger_T3_TRGO                ((uint32_t)0x0000000C) /*!< TIM8 TRGO selected as external conversion trigger for DAC channel
                                                                       only in Connectivity line, Medium-density and Low-density Value Line devices */
#define DAC_Trigger_T7_TRGO                ((uint32_t)0x00000014) /*!< TIM7 TRGO selected as external conversion trigger for DAC channel */
#define DAC_Trigger_T5_TRGO                ((uint32_t)0x0000001C) /*!< TIM5 TRGO selected as external conversion trigger for DAC channel */
#define DAC_Trigger_T15_TRGO               ((uint32_t)0x0000001C) /*!< TIM15 TRGO selected as external conversion trigger for DAC channel 
                                                                       only in Medium-density and Low-density Value Line devices*/
#define DAC_Trigger_T2_TRGO                ((uint32_t)0x00000024) /*!< TIM2 TRGO selected as external conversion trigger for DAC channel */
#define DAC_Trigger_T4_TRGO                ((uint32_t)0x0000002C) /*!< TIM4 TRGO selected as external conversion trigger for DAC channel */
#define DAC_Trigger_Ext_IT9                ((uint32_t)0x00000034) /*!< EXTI Line9 event selected as external conversion trigger for DAC channel */
#define DAC_Trigger_Software               ((uint32_t)0x0000003C) /*!< Conversion started by software trigger for DAC channel */

#define IS_DAC_TRIGGER(TRIGGER) (((TRIGGER) == DAC_Trigger_None) || \
                                 ((TRIGGER) == DAC_Trigger_T6_TRGO) || \
                                 ((TRIGGER) == DAC_Trigger_T8_TRGO) || \
                                 ((TRIGGER) == DAC_Trigger_T7_TRGO) || \
                                 ((TRIGGER) == DAC_Trigger_T5_TRGO) || \
                                 ((TRIGGER) == DAC_Trigger_T2_TRGO) || \
                                 ((TRIGGER) == DAC_Trigger_T4_TRGO) || \
                                 ((TRIGGER) == DAC_Trigger_Ext_IT9) || \
                                 ((TRIGGER) == DAC_Trigger_Software))

/**
  * @
}
  */

/** @defgroup DAC_wave_generation 
  * @{

  */

#define DAC_WaveGeneration_None            ((uint32_t)0x00000000)
#define DAC_WaveGeneration_Noise           ((uint32_t)0x00000040)
#define DAC_WaveGeneration_Triangle        ((uint32_t)0x00000080)
#define IS_DAC_GENERATE_WAVE(WAVE) (((WAVE) == DAC_WaveGeneration_None) || \
                                    ((WAVE) == DAC_WaveGeneration_Noise) || \
                                    ((WAVE) == DAC_WaveGeneration_Triangle))
/**
  * @
}
  */

/** @defgroup DAC_lfsrunmask_triangleamplitude
  * @{

  */

#define DAC_LFSRUnmask_Bit0                ((uint32_t)0x00000000) /*!< Unmask DAC channel LFSR bit0 for noise wave generation */
#define DAC_LFSRUnmask_Bits1_0             ((uint32_t)0x00000100) /*!< Unmask DAC channel LFSR bit[1:0] for noise wave generation */
#define DAC_LFSRUnmask_Bits2_0             ((uint32_t)0x00000200) /*!< Unmask DAC channel LFSR bit[2:0] for noise wave generation */
#define DAC_LFSRUnmask_Bits3_0             ((uint32_t)0x00000300) /*!< Unmask DAC channel LFSR bit[3:0] for noise wave generation */
#define DAC_LFSRUnmask_Bits4_0             ((uint32_t)0x00000400) /*!< Unmask DAC channel LFSR bit[4:0] for noise wave generation */
#define DAC_LFSRUnmask_Bits5_0             ((uint32_t)0x00000500) /*!< Unmask DAC channel LFSR bit[5:0] for noise wave generation */
#define DAC_LFSRUnmask_Bits6_0             ((uint32_t)0x00000600) /*!< Unmask DAC channel LFSR bit[6:0] for noise wave generation */
#define DAC_LFSRUnmask_Bits7_0             ((uint32_t)0x00000700) /*!< Unmask DAC channel LFSR bit[7:0] for noise wave generation */
#define DAC_LFSRUnmask_Bits8_0             ((uint32_t)0x00000800) /*!< Unmask DAC channel LFSR bit[8:0] for noise wave generation */
#define DAC_LFSRUnmask_Bits9_0             ((uint32_t)0x00000900) /*!< Unmask DAC channel LFSR bit[9:0] for noise wave generation */
#define DAC_LFSRUnmask_Bits10_0            ((uint32_t)0x00000A00) /*!< Unmask DAC channel LFSR bit[10:0] for noise wave generation */
#define DAC_LFSRUnmask_Bits11_0            ((uint32_t)0x00000B00) /*!< Unmask DAC channel LFSR bit[11:0] for noise wave generation */
#define DAC_TriangleAmplitude_1            ((uint32_t)0x00000000) /*!< Select max triangle amplitude of 1 */
#define DAC_TriangleAmplitude_3            ((uint32_t)0x00000100) /*!< Select max triangle amplitude of 3 */
#define DAC_TriangleAmplitude_7            ((uint32_t)0x00000200) /*!< Select max triangle amplitude of 7 */
#define DAC_TriangleAmplitude_15           ((uint32_t)0x00000300) /*!< Select max triangle amplitude of 15 */
#define DAC_TriangleAmplitude_31           ((uint32_t)0x00000400) /*!< Select max triangle amplitude of 31 */
#define DAC_TriangleAmplitude_63           ((uint32_t)0x00000500) /*!< Select max triangle amplitude of 63 */
#define DAC_TriangleAmplitude_127          ((uint32_t)0x00000600) /*!< Select max triangle amplitude of 127 */
#define DAC_TriangleAmplitude_255          ((uint32_t)0x00000700) /*!< Select max triangle amplitude of 255 */
#define DAC_TriangleAmplitude_511          ((uint32_t)0x00000800) /*!< Select max triangle amplitude of 511 */
#define DAC_TriangleAmplitude_1023         ((uint32_t)0x00000900) /*!< Select max triangle amplitude of 1023 */
#define DAC_TriangleAmplitude_2047         ((uint32_t)0x00000A00) /*!< Select max triangle amplitude of 2047 */
#define DAC_TriangleAmplitude_4095         ((uint32_t)0x00000B00) /*!< Select max triangle amplitude of 4095 */

#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) || \
    
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