2 ******************************************************************************
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3 * @file stm32f0xx_dac.h
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4 * @author MCD Application Team
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6 * @date 27-January-2012
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7 * @brief This file contains all the functions prototypes for the DAC firmware
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9 ******************************************************************************
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12 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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13 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
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14 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
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15 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
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16 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
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17 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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19 * FOR MORE INFORMATION PLEASE READ CAREFULLY THE LICENSE AGREEMENT FILE
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20 * LOCATED IN THE ROOT DIRECTORY OF THIS FIRMWARE PACKAGE.
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22 * <h2><center>© COPYRIGHT 2012 STMicroelectronics</center></h2>
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23 ******************************************************************************
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26 /* Define to prevent recursive inclusion -------------------------------------*/
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27 #ifndef __STM32F0XX_DAC_H
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28 #define __STM32F0XX_DAC_H
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34 /* Includes ------------------------------------------------------------------*/
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35 #include "stm32f0xx.h"
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37 /** @addtogroup STM32F0xx_StdPeriph_Driver
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45 /* Exported types ------------------------------------------------------------*/
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48 * @brief DAC Init structure definition
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53 uint32_t DAC_Trigger; /*!< Specifies the external trigger for the selected DAC channel.
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54 This parameter can be a value of @ref DAC_Trigger */
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56 uint32_t DAC_OutputBuffer; /*!< Specifies whether the DAC channel output buffer is enabled or disabled.
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57 This parameter can be a value of @ref DAC_OutputBuffer */
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60 /* Exported constants --------------------------------------------------------*/
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62 /** @defgroup DAC_Exported_Constants
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66 /** @defgroup DAC_Trigger
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70 #define DAC_Trigger_None ((uint32_t)0x00000000) /*!< Conversion is automatic once the DAC1_DHRxxxx register
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71 has been loaded, and not by external trigger */
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72 #define DAC_Trigger_T6_TRGO ((uint32_t)0x00000004) /*!< TIM6 TRGO selected as external conversion trigger for DAC channel */
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73 #define DAC_Trigger_T3_TRGO ((uint32_t)0x0000000C) /*!< TIM3 TRGO selected as external conversion trigger for DAC channel */
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74 #define DAC_Trigger_T15_TRGO ((uint32_t)0x0000001C) /*!< TIM15 TRGO selected as external conversion trigger for DAC channel */
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75 #define DAC_Trigger_T2_TRGO ((uint32_t)0x00000024) /*!< TIM2 TRGO selected as external conversion trigger for DAC channel */
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76 #define DAC_Trigger_Ext_IT9 ((uint32_t)0x00000034) /*!< EXTI Line9 event selected as external conversion trigger for DAC channel */
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77 #define DAC_Trigger_Software ((uint32_t)0x0000003C) /*!< Conversion started by software trigger for DAC channel */
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79 #define IS_DAC_TRIGGER(TRIGGER) (((TRIGGER) == DAC_Trigger_None) || \
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80 ((TRIGGER) == DAC_Trigger_T6_TRGO) || \
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81 ((TRIGGER) == DAC_Trigger_T3_TRGO) || \
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82 ((TRIGGER) == DAC_Trigger_T15_TRGO) || \
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83 ((TRIGGER) == DAC_Trigger_T2_TRGO) || \
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84 ((TRIGGER) == DAC_Trigger_Ext_IT9) || \
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85 ((TRIGGER) == DAC_Trigger_Software))
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91 /** @defgroup DAC_OutputBuffer
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95 #define DAC_OutputBuffer_Enable ((uint32_t)0x00000000)
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96 #define DAC_OutputBuffer_Disable DAC_CR_BOFF1
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97 #define IS_DAC_OUTPUT_BUFFER_STATE(STATE) (((STATE) == DAC_OutputBuffer_Enable) || \
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98 ((STATE) == DAC_OutputBuffer_Disable))
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103 /** @defgroup DAC_Channel_selection
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107 #define DAC_Channel_1 ((uint32_t)0x00000000)
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108 #define IS_DAC_CHANNEL(CHANNEL) (((CHANNEL) == DAC_Channel_1))
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114 /** @defgroup DAC_data_alignment
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118 #define DAC_Align_12b_R ((uint32_t)0x00000000)
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119 #define DAC_Align_12b_L ((uint32_t)0x00000004)
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120 #define DAC_Align_8b_R ((uint32_t)0x00000008)
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121 #define IS_DAC_ALIGN(ALIGN) (((ALIGN) == DAC_Align_12b_R) || \
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122 ((ALIGN) == DAC_Align_12b_L) || \
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123 ((ALIGN) == DAC_Align_8b_R))
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128 /** @defgroup DAC_data
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132 #define IS_DAC_DATA(DATA) ((DATA) <= 0xFFF0)
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138 /** @defgroup DAC_interrupts_definition
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142 #define DAC_IT_DMAUDR DAC_SR_DMAUDR1
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143 #define IS_DAC_IT(IT) (((IT) == DAC_IT_DMAUDR))
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150 /** @defgroup DAC_flags_definition
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154 #define DAC_FLAG_DMAUDR DAC_SR_DMAUDR1
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156 #define IS_DAC_FLAG(FLAG) (((FLAG) == DAC_FLAG_DMAUDR))
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166 /* Exported macro ------------------------------------------------------------*/
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167 /* Exported functions ------------------------------------------------------- */
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169 /* Function used to set the DAC configuration to the default reset state *****/
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170 void DAC_DeInit(void);
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172 /* DAC channels configuration: trigger, output buffer, data format functions */
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173 void DAC_Init(uint32_t DAC_Channel, DAC_InitTypeDef* DAC_InitStruct);
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174 void DAC_StructInit(DAC_InitTypeDef* DAC_InitStruct);
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175 void DAC_Cmd(uint32_t DAC_Channel, FunctionalState NewState);
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176 void DAC_SoftwareTriggerCmd(uint32_t DAC_Channel, FunctionalState NewState);
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177 void DAC_SetChannel1Data(uint32_t DAC_Align, uint16_t Data);
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178 uint16_t DAC_GetDataOutputValue(uint32_t DAC_Channel);
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180 /* DMA management functions ***************************************************/
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181 void DAC_DMACmd(uint32_t DAC_Channel, FunctionalState NewState);
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183 /* Interrupts and flags management functions **********************************/
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184 void DAC_ITConfig(uint32_t DAC_Channel, uint32_t DAC_IT, FunctionalState NewState);
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185 FlagStatus DAC_GetFlagStatus(uint32_t DAC_Channel, uint32_t DAC_FLAG);
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186 void DAC_ClearFlag(uint32_t DAC_Channel, uint32_t DAC_FLAG);
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187 ITStatus DAC_GetITStatus(uint32_t DAC_Channel, uint32_t DAC_IT);
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188 void DAC_ClearITPendingBit(uint32_t DAC_Channel, uint32_t DAC_IT);
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194 #endif /*__STM32F0XX_DAC_H */
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204 /******************* (C) COPYRIGHT 2012 STMicroelectronics *****END OF FILE****/
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