annotate Common/Drivers/STM32F4xx_HAL_DRIVER_v120/Inc/stm32f4xx_hal_dac.h @ 38:5f11787b4f42

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date Sat, 28 Apr 2018 11:52:34 +0200
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_hal_dac.h
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4 * @author MCD Application Team
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5 * @version V1.2.0
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6 * @date 26-December-2014
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7 * @brief Header file of DAC HAL module.
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8 ******************************************************************************
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9 * @attention
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10 *
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11 * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
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12 *
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13 * Redistribution and use in source and binary forms, with or without modification,
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14 * are permitted provided that the following conditions are met:
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15 * 1. Redistributions of source code must retain the above copyright notice,
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16 * this list of conditions and the following disclaimer.
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17 * 2. Redistributions in binary form must reproduce the above copyright notice,
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18 * this list of conditions and the following disclaimer in the documentation
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19 * and/or other materials provided with the distribution.
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20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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21 * may be used to endorse or promote products derived from this software
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22 * without specific prior written permission.
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23 *
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24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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34 *
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35 ******************************************************************************
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36 */
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37
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38 /* Define to prevent recursive inclusion -------------------------------------*/
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39 #ifndef __STM32F4xx_HAL_DAC_H
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40 #define __STM32F4xx_HAL_DAC_H
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41
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42 #ifdef __cplusplus
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43 extern "C" {
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44 #endif
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45
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46 #if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx) || defined(STM32F417xx) || defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)
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47
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48 /* Includes ------------------------------------------------------------------*/
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49 #include "stm32f4xx_hal_def.h"
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50
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51 /** @addtogroup STM32F4xx_HAL_Driver
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52 * @{
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53 */
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54
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55 /** @addtogroup DAC
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56 * @{
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57 */
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58
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59 /* Exported types ------------------------------------------------------------*/
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60 /** @defgroup DAC_Exported_Types DAC Exported Types
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61 * @{
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62 */
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63
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64 /**
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65 * @brief HAL State structures definition
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66 */
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67 typedef enum
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68 {
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69 HAL_DAC_STATE_RESET = 0x00, /*!< DAC not yet initialized or disabled */
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70 HAL_DAC_STATE_READY = 0x01, /*!< DAC initialized and ready for use */
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71 HAL_DAC_STATE_BUSY = 0x02, /*!< DAC internal processing is ongoing */
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72 HAL_DAC_STATE_TIMEOUT = 0x03, /*!< DAC timeout state */
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73 HAL_DAC_STATE_ERROR = 0x04 /*!< DAC error state */
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74 }HAL_DAC_StateTypeDef;
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75
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76 /**
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77 * @brief DAC handle Structure definition
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78 */
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79 typedef struct
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80 {
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81 DAC_TypeDef *Instance; /*!< Register base address */
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82
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83 __IO HAL_DAC_StateTypeDef State; /*!< DAC communication state */
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84
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85 HAL_LockTypeDef Lock; /*!< DAC locking object */
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86
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87 DMA_HandleTypeDef *DMA_Handle1; /*!< Pointer DMA handler for channel 1 */
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88
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89 DMA_HandleTypeDef *DMA_Handle2; /*!< Pointer DMA handler for channel 2 */
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90
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91 __IO uint32_t ErrorCode; /*!< DAC Error code */
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92
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93 }DAC_HandleTypeDef;
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94
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95 /**
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96 * @brief DAC Configuration regular Channel structure definition
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97 */
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98 typedef struct
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99 {
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100 uint32_t DAC_Trigger; /*!< Specifies the external trigger for the selected DAC channel.
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101 This parameter can be a value of @ref DAC_trigger_selection */
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102
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103 uint32_t DAC_OutputBuffer; /*!< Specifies whether the DAC channel output buffer is enabled or disabled.
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104 This parameter can be a value of @ref DAC_output_buffer */
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105 }DAC_ChannelConfTypeDef;
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106 /**
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107 * @}
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108 */
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109
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110 /* Exported constants --------------------------------------------------------*/
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111 /** @defgroup DAC_Exported_Constants DAC Exported Constants
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112 * @{
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113 */
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114
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115 /** @defgroup DAC_Error_Code DAC Error Code
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116 * @{
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117 */
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118 #define HAL_DAC_ERROR_NONE 0x00 /*!< No error */
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119 #define HAL_DAC_ERROR_DMAUNDERRUNCH1 0x01 /*!< DAC channel1 DAM underrun error */
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120 #define HAL_DAC_ERROR_DMAUNDERRUNCH2 0x02 /*!< DAC channel2 DAM underrun error */
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121 #define HAL_DAC_ERROR_DMA 0x04 /*!< DMA error */
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122 /**
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123 * @}
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124 */
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125
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126 /** @defgroup DAC_trigger_selection DAC Trigger Selection
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127 * @{
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128 */
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129
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130 #define DAC_TRIGGER_NONE ((uint32_t)0x00000000) /*!< Conversion is automatic once the DAC1_DHRxxxx register
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131 has been loaded, and not by external trigger */
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132 #define DAC_TRIGGER_T2_TRGO ((uint32_t)(DAC_CR_TSEL1_2 | DAC_CR_TEN1)) /*!< TIM2 TRGO selected as external conversion trigger for DAC channel */
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133 #define DAC_TRIGGER_T4_TRGO ((uint32_t)(DAC_CR_TSEL1_2 | DAC_CR_TSEL1_0 | DAC_CR_TEN1)) /*!< TIM4 TRGO selected as external conversion trigger for DAC channel */
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134 #define DAC_TRIGGER_T5_TRGO ((uint32_t)(DAC_CR_TSEL1_1 | DAC_CR_TSEL1_0 | DAC_CR_TEN1)) /*!< TIM5 TRGO selected as external conversion trigger for DAC channel */
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135 #define DAC_TRIGGER_T6_TRGO ((uint32_t)DAC_CR_TEN1) /*!< TIM6 TRGO selected as external conversion trigger for DAC channel */
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136 #define DAC_TRIGGER_T7_TRGO ((uint32_t)(DAC_CR_TSEL1_1 | DAC_CR_TEN1)) /*!< TIM7 TRGO selected as external conversion trigger for DAC channel */
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137 #define DAC_TRIGGER_T8_TRGO ((uint32_t)(DAC_CR_TSEL1_0 | DAC_CR_TEN1)) /*!< TIM8 TRGO selected as external conversion trigger for DAC channel */
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138
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139 #define DAC_TRIGGER_EXT_IT9 ((uint32_t)(DAC_CR_TSEL1_2 | DAC_CR_TSEL1_1 | DAC_CR_TEN1)) /*!< EXTI Line9 event selected as external conversion trigger for DAC channel */
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140 #define DAC_TRIGGER_SOFTWARE ((uint32_t)(DAC_CR_TSEL1 | DAC_CR_TEN1)) /*!< Conversion started by software trigger for DAC channel */
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141 /**
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142 * @}
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143 */
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144
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145 /** @defgroup DAC_output_buffer DAC Output Buffer
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146 * @{
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147 */
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148 #define DAC_OUTPUTBUFFER_ENABLE ((uint32_t)0x00000000)
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149 #define DAC_OUTPUTBUFFER_DISABLE ((uint32_t)DAC_CR_BOFF1)
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150 /**
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151 * @}
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152 */
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153
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154 /** @defgroup DAC_Channel_selection DAC Channel Selection
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155 * @{
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156 */
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157 #define DAC_CHANNEL_1 ((uint32_t)0x00000000)
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158 #define DAC_CHANNEL_2 ((uint32_t)0x00000010)
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159 /**
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160 * @}
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161 */
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162
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163 /** @defgroup DAC_data_alignment DAC Data Alignment
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164 * @{
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165 */
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166 #define DAC_ALIGN_12B_R ((uint32_t)0x00000000)
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167 #define DAC_ALIGN_12B_L ((uint32_t)0x00000004)
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168 #define DAC_ALIGN_8B_R ((uint32_t)0x00000008)
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169 /**
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170 * @}
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171 */
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172
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173 /** @defgroup DAC_flags_definition DAC Flags Definition
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174 * @{
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175 */
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176 #define DAC_FLAG_DMAUDR1 ((uint32_t)DAC_SR_DMAUDR1)
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177 #define DAC_FLAG_DMAUDR2 ((uint32_t)DAC_SR_DMAUDR2)
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178 /**
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179 * @}
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180 */
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181
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182 /** @defgroup DAC_IT_definition DAC IT Definition
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183 * @{
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184 */
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185 #define DAC_IT_DMAUDR1 ((uint32_t)DAC_SR_DMAUDR1)
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186 #define DAC_IT_DMAUDR2 ((uint32_t)DAC_SR_DMAUDR2)
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187 /**
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188 * @}
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189 */
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190
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191 /**
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192 * @}
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193 */
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194
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195 /* Exported macro ------------------------------------------------------------*/
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196 /** @defgroup DAC_Exported_Macros DAC Exported Macros
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197 * @{
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198 */
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199
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200 /** @brief Reset DAC handle state
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201 * @param __HANDLE__: specifies the DAC handle.
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202 * @retval None
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203 */
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204 #define __HAL_DAC_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_DAC_STATE_RESET)
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205
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206 /** @brief Enable the DAC channel
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207 * @param __HANDLE__: specifies the DAC handle.
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208 * @param __DAC_Channel__: specifies the DAC channel
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209 * @retval None
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210 */
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211 #define __HAL_DAC_ENABLE(__HANDLE__, __DAC_Channel__) \
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212 ((__HANDLE__)->Instance->CR |= (DAC_CR_EN1 << (__DAC_Channel__)))
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213
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214 /** @brief Disable the DAC channel
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215 * @param __HANDLE__: specifies the DAC handle
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216 * @param __DAC_Channel__: specifies the DAC channel.
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217 * @retval None
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218 */
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219 #define __HAL_DAC_DISABLE(__HANDLE__, __DAC_Channel__) \
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220 ((__HANDLE__)->Instance->CR &= ~(DAC_CR_EN1 << (__DAC_Channel__)))
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221
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222 /** @brief Enable the DAC interrupt
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223 * @param __HANDLE__: specifies the DAC handle
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224 * @param __INTERRUPT__: specifies the DAC interrupt.
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225 * @retval None
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226 */
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227 #define __HAL_DAC_ENABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CR) |= (__INTERRUPT__))
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228
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229 /** @brief Disable the DAC interrupt
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230 * @param __HANDLE__: specifies the DAC handle
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231 * @param __INTERRUPT__: specifies the DAC interrupt.
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232 * @retval None
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233 */
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234 #define __HAL_DAC_DISABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CR) &= ~(__INTERRUPT__))
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235
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236 /** @brief Get the selected DAC's flag status.
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237 * @param __HANDLE__: specifies the DAC handle.
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238 * @param __FLAG__: specifies the flag to clear.
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239 * This parameter can be any combination of the following values:
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240 * @arg DAC_FLAG_DMAUDR1: DMA underrun 1 flag
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241 * @arg DAC_FLAG_DMAUDR2: DMA underrun 2 flag
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242 * @retval None
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243 */
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244 #define __HAL_DAC_GET_FLAG(__HANDLE__, __FLAG__) ((((__HANDLE__)->Instance->SR) & (__FLAG__)) == (__FLAG__))
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245
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246 /** @brief Clear the DAC's flag.
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247 * @param __HANDLE__: specifies the DAC handle.
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248 * @param __FLAG__: specifies the flag to clear.
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249 * This parameter can be any combination of the following values:
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250 * @arg DAC_FLAG_DMAUDR1: DMA underrun 1 flag
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251 * @arg DAC_FLAG_DMAUDR2: DMA underrun 2 flag
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252 * @retval None
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253 */
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254 #define __HAL_DAC_CLEAR_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR) = (__FLAG__))
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255 /**
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256 * @}
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257 */
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258
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259 /* Include DAC HAL Extension module */
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260 #include "stm32f4xx_hal_dac_ex.h"
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261
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262 /* Exported functions --------------------------------------------------------*/
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263 /** @addtogroup DAC_Exported_Functions
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264 * @{
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265 */
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266
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267 /** @addtogroup DAC_Exported_Functions_Group1
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268 * @{
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269 */
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270 /* Initialization/de-initialization functions *********************************/
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271 HAL_StatusTypeDef HAL_DAC_Init(DAC_HandleTypeDef* hdac);
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272 HAL_StatusTypeDef HAL_DAC_DeInit(DAC_HandleTypeDef* hdac);
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273 void HAL_DAC_MspInit(DAC_HandleTypeDef* hdac);
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274 void HAL_DAC_MspDeInit(DAC_HandleTypeDef* hdac);
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275 /**
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276 * @}
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277 */
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278
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279 /** @addtogroup DAC_Exported_Functions_Group2
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280 * @{
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281 */
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282 /* I/O operation functions ****************************************************/
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283 HAL_StatusTypeDef HAL_DAC_Start(DAC_HandleTypeDef* hdac, uint32_t Channel);
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284 HAL_StatusTypeDef HAL_DAC_Stop(DAC_HandleTypeDef* hdac, uint32_t Channel);
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285 HAL_StatusTypeDef HAL_DAC_Start_DMA(DAC_HandleTypeDef* hdac, uint32_t Channel, uint32_t* pData, uint32_t Length, uint32_t Alignment);
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286 HAL_StatusTypeDef HAL_DAC_Stop_DMA(DAC_HandleTypeDef* hdac, uint32_t Channel);
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287 uint32_t HAL_DAC_GetValue(DAC_HandleTypeDef* hdac, uint32_t Channel);
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288 /**
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289 * @}
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290 */
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291
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292 /** @addtogroup DAC_Exported_Functions_Group3
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293 * @{
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294 */
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295 /* Peripheral Control functions ***********************************************/
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296 HAL_StatusTypeDef HAL_DAC_ConfigChannel(DAC_HandleTypeDef* hdac, DAC_ChannelConfTypeDef* sConfig, uint32_t Channel);
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297 HAL_StatusTypeDef HAL_DAC_SetValue(DAC_HandleTypeDef* hdac, uint32_t Channel, uint32_t Alignment, uint32_t Data);
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298 /**
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299 * @}
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300 */
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301
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302 /** @addtogroup DAC_Exported_Functions_Group4
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303 * @{
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304 */
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305 /* Peripheral State functions *************************************************/
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306 HAL_DAC_StateTypeDef HAL_DAC_GetState(DAC_HandleTypeDef* hdac);
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307 void HAL_DAC_IRQHandler(DAC_HandleTypeDef* hdac);
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308 uint32_t HAL_DAC_GetError(DAC_HandleTypeDef *hdac);
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309
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310 void HAL_DAC_ConvCpltCallbackCh1(DAC_HandleTypeDef* hdac);
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311 void HAL_DAC_ConvHalfCpltCallbackCh1(DAC_HandleTypeDef* hdac);
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312 void HAL_DAC_ErrorCallbackCh1(DAC_HandleTypeDef *hdac);
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313 void HAL_DAC_DMAUnderrunCallbackCh1(DAC_HandleTypeDef *hdac);
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314 /**
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315 * @}
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316 */
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317
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318 /**
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319 * @}
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320 */
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321 /* Private types -------------------------------------------------------------*/
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322 /* Private variables ---------------------------------------------------------*/
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323 /* Private constants ---------------------------------------------------------*/
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324 /** @defgroup DAC_Private_Constants DAC Private Constants
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325 * @{
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326 */
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327
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328 /**
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329 * @}
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330 */
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331
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332 /* Private macros ------------------------------------------------------------*/
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333 /** @defgroup DAC_Private_Macros DAC Private Macros
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334 * @{
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335 */
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336 #define IS_DAC_DATA(DATA) ((DATA) <= 0xFFF0)
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337 #define IS_DAC_ALIGN(ALIGN) (((ALIGN) == DAC_ALIGN_12B_R) || \
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338 ((ALIGN) == DAC_ALIGN_12B_L) || \
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339 ((ALIGN) == DAC_ALIGN_8B_R))
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340 #define IS_DAC_CHANNEL(CHANNEL) (((CHANNEL) == DAC_CHANNEL_1) || \
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341 ((CHANNEL) == DAC_CHANNEL_2))
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342 #define IS_DAC_OUTPUT_BUFFER_STATE(STATE) (((STATE) == DAC_OUTPUTBUFFER_ENABLE) || \
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343 ((STATE) == DAC_OUTPUTBUFFER_DISABLE))
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344
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345 #define IS_DAC_TRIGGER(TRIGGER) (((TRIGGER) == DAC_TRIGGER_NONE) || \
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346 ((TRIGGER) == DAC_TRIGGER_T2_TRGO) || \
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347 ((TRIGGER) == DAC_TRIGGER_T8_TRGO) || \
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348 ((TRIGGER) == DAC_TRIGGER_T7_TRGO) || \
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349 ((TRIGGER) == DAC_TRIGGER_T5_TRGO) || \
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350 ((TRIGGER) == DAC_TRIGGER_T6_TRGO) || \
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351 ((TRIGGER) == DAC_TRIGGER_T4_TRGO) || \
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352 ((TRIGGER) == DAC_TRIGGER_EXT_IT9) || \
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353 ((TRIGGER) == DAC_TRIGGER_SOFTWARE))
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354
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355 /** @brief Set DHR12R1 alignment
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356 * @param __ALIGNMENT__: specifies the DAC alignment
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357 * @retval None
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358 */
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359 #define DAC_DHR12R1_ALIGNMENT(__ALIGNMENT__) (((uint32_t)0x00000008) + (__ALIGNMENT__))
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360
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361 /** @brief Set DHR12R2 alignment
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362 * @param __ALIGNMENT__: specifies the DAC alignment
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363 * @retval None
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364 */
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365 #define DAC_DHR12R2_ALIGNMENT(__ALIGNMENT__) (((uint32_t)0x00000014) + (__ALIGNMENT__))
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366
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367 /** @brief Set DHR12RD alignment
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368 * @param __ALIGNMENT__: specifies the DAC alignment
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369 * @retval None
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370 */
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371 #define DAC_DHR12RD_ALIGNMENT(__ALIGNMENT__) (((uint32_t)0x00000020) + (__ALIGNMENT__))
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372
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373 /**
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374 * @}
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375 */
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376
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377 /* Private functions ---------------------------------------------------------*/
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378 /** @defgroup DAC_Private_Functions DAC Private Functions
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379 * @{
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380 */
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381 /**
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382 * @}
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383 */
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384 #endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx || STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx */
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385
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386 /**
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387 * @}
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388 */
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389
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390 /**
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391 * @}
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392 */
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393
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394 #ifdef __cplusplus
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395 }
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396 #endif
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397
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398 #endif /*__STM32F4xx_HAL_DAC_H */
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399
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400 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/