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/** 
  ****************************************************************************** 
  * @file    stm32f4xx_dac.h 
  * @author  MCD Application Team 
  * @version V1.4.0 
  * @date    04-August-2014 
  * @brief   This file contains all the functions prototypes for the DAC firmware  
  *          library. 
  ****************************************************************************** 
  * @attention 
  * 
  * <h2><center>© COPYRIGHT 2014 STMicroelectronics</center></h2> 
  * 
  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); 
  * You may not use this file except in compliance with the License. 
  * You may obtain a copy of the License at: 
  * 
  *        http://www.st.com/software_license_agreement_liberty_v2 
  * 
  * Unless required by applicable law or agreed to in writing, software  
  * distributed under the License is distributed on an "AS IS" BASIS,  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
  * See the License for the specific language governing permissions and 
  * limitations under the License. 
  * 
  ****************************************************************************** 
  */ 
 
/* Define to prevent recursive inclusion -------------------------------------*/ 
#ifndef __STM32F4xx_DAC_H 
#define __STM32F4xx_DAC_H 
 
#ifdef __cplusplus 
 extern "C" { 
#endif 
 
/* Includes ------------------------------------------------------------------*/ 
#include "stm32f4xx.h" 
 
/** @addtogroup STM32F4xx_StdPeriph_Driver 
  * @{ 
  */ 
 
/** @addtogroup 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; 
 
/* Exported constants --------------------------------------------------------*/ 
 
/** @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_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_T5_TRGO                ((uint32_t)0x0000001C) /*!< TIM5 TRGO selected as external conversion trigger for DAC channel */ 
#define DAC_Trigger_T6_TRGO                ((uint32_t)0x00000004) /*!< TIM6 TRGO selected as external conversion trigger for DAC channel */ 
#define DAC_Trigger_T7_TRGO                ((uint32_t)0x00000014) /*!< TIM7 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 */                                                                        
 
#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) || \ 
                                                      ((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)) 
/** 
  * @} 
  */ 
 
/** @defgroup DAC_output_buffer  
  * @{ 
  */ 
 
#define DAC_OutputBuffer_Enable            ((uint32_t)0x00000000) 
#define DAC_OutputBuffer_Disable           ((uint32_t)0x00000002) 
#define IS_DAC_OUTPUT_BUFFER_STATE(STATE) (((STATE) == DAC_OutputBuffer_Enable) || \ 
                                           ((STATE) == DAC_OutputBuffer_Disable)) 
/** 
  * @} 
  */ 
 
/** @defgroup DAC_Channel_selection  
  * @{ 
  */ 
 
#define DAC_Channel_1                      ((uint32_t)0x00000000) 
#define DAC_Channel_2                      ((uint32_t)0x00000010) 
#define IS_DAC_CHANNEL(CHANNEL) (((CHANNEL) == DAC_Channel_1) || \ 
                                 ((CHANNEL) == DAC_Channel_2)) 
/** 
  * @} 
  */ 
 
/** @defgroup DAC_data_alignement  
  * @{ 
  */ 
 
#define DAC_Align_12b_R                    ((uint32_t)0x00000000) 
#define DAC_Align_12b_L                    ((uint32_t)0x00000004) 
#define DAC_Align_8b_R                     ((uint32_t)0x00000008) 
#define IS_DAC_ALIGN(ALIGN) (((ALIGN) == DAC_Align_12b_R) || \ 
                             ((ALIGN) == DAC_Align_12b_L) || \ 
                             ((ALIGN) == DAC_Align_8b_R)) 
/** 
  * @} 
  */ 
 
/** @defgroup DAC_wave_generation  
  * @{ 
  */ 
 
#define DAC_Wave_Noise                     ((uint32_t)0x00000040) 
#define DAC_Wave_Triangle                  ((uint32_t)0x00000080) 
#define IS_DAC_WAVE(WAVE) (((WAVE) == DAC_Wave_Noise) || \ 
                           ((WAVE) == DAC_Wave_Triangle)) 
/** 
  * @} 
  */ 
 
/** @defgroup DAC_data  
  * @{ 
  */ 
 
#define IS_DAC_DATA(DATA) ((DATA) <= 0xFFF0)  
/** 
  * @} 
  */ 
   
/** @defgroup DAC_interrupts_definition  
  * @{ 
  */    
#define DAC_IT_DMAUDR                      ((uint32_t)0x00002000)   
#define IS_DAC_IT(IT) (((IT) == DAC_IT_DMAUDR))  
 
/** 
  * @} 
  */  
 
/** @defgroup DAC_flags_definition  
  * @{ 
  */  
   
#define DAC_FLAG_DMAUDR                    ((uint32_t)0x00002000)   
#define IS_DAC_FLAG(FLAG) (((FLAG) == DAC_FLAG_DMAUDR))   
 
/** 
  * @} 
  */ 
 
/** 
  * @} 
  */ 
 
/* Exported macro ------------------------------------------------------------*/ 
/* Exported functions --------------------------------------------------------*/   
 
/*  Function used to set the DAC configuration to the default reset state *****/   
void DAC_DeInit(void); 
 
/*  DAC channels configuration: trigger, output buffer, data format functions */ 
void DAC_Init(uint32_t DAC_Channel, DAC_InitTypeDef* DAC_InitStruct); 
void DAC_StructInit(DAC_InitTypeDef* DAC_InitStruct); 
void DAC_Cmd(uint32_t DAC_Channel, FunctionalState NewState); 
void DAC_SoftwareTriggerCmd(uint32_t DAC_Channel, FunctionalState NewState); 
void DAC_DualSoftwareTriggerCmd(FunctionalState NewState); 
void DAC_WaveGenerationCmd(uint32_t DAC_Channel, uint32_t DAC_Wave, FunctionalState NewState); 
void DAC_SetChannel1Data(uint32_t DAC_Align, uint16_t Data); 
void DAC_SetChannel2Data(uint32_t DAC_Align, uint16_t Data); 
void DAC_SetDualChannelData(uint32_t DAC_Align, uint16_t Data2, uint16_t Data1); 
uint16_t DAC_GetDataOutputValue(uint32_t DAC_Channel); 
 
/* DMA management functions ***************************************************/ 
void DAC_DMACmd(uint32_t DAC_Channel, FunctionalState NewState); 
 
/* Interrupts and flags management functions **********************************/ 
void DAC_ITConfig(uint32_t DAC_Channel, uint32_t DAC_IT, FunctionalState NewState); 
FlagStatus DAC_GetFlagStatus(uint32_t DAC_Channel, uint32_t DAC_FLAG); 
void DAC_ClearFlag(uint32_t DAC_Channel, uint32_t DAC_FLAG); 
ITStatus DAC_GetITStatus(uint32_t DAC_Channel, uint32_t DAC_IT); 
void DAC_ClearITPendingBit(uint32_t DAC_Channel, uint32_t DAC_IT); 
 
#ifdef __cplusplus 
} 
#endif 
 
#endif /*__STM32F4xx_DAC_H */ 
 
/** 
  * @} 
  */ 
 
/** 
  * @} 
  */ 
 
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/