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annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dac_ex.c @ 618:96af74455420

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Development bugfix: focus state not remembered: Somehow the static in front of the focus state has disappeared. After returning it again the focus detection is available again.
author Ideenmodellierer
date Wed, 27 Jan 2021 22:04:45 +0100
parents c78bcbd5deda
children
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128
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_hal_dac_ex.c
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4 * @author MCD Application Team
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5 * @brief DAC HAL module driver.
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6 * This file provides firmware functions to manage the following
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7 * functionalities of DAC extension peripheral:
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8 * + Extended features functions
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9 *
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10 *
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11 @verbatim
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12 ==============================================================================
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13 ##### How to use this driver #####
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14 ==============================================================================
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15 [..]
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16 (+) When Dual mode is enabled (i.e DAC Channel1 and Channel2 are used simultaneously) :
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17 Use HAL_DACEx_DualGetValue() to get digital data to be converted and use
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18 HAL_DACEx_DualSetValue() to set digital value to converted simultaneously in Channel 1 and Channel 2.
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19 (+) Use HAL_DACEx_TriangleWaveGenerate() to generate Triangle signal.
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20 (+) Use HAL_DACEx_NoiseWaveGenerate() to generate Noise signal.
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21
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22 @endverbatim
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23 ******************************************************************************
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24 * @attention
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25 *
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26 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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27 *
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28 * Redistribution and use in source and binary forms, with or without modification,
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29 * are permitted provided that the following conditions are met:
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30 * 1. Redistributions of source code must retain the above copyright notice,
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31 * this list of conditions and the following disclaimer.
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32 * 2. Redistributions in binary form must reproduce the above copyright notice,
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33 * this list of conditions and the following disclaimer in the documentation
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34 * and/or other materials provided with the distribution.
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35 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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36 * may be used to endorse or promote products derived from this software
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37 * without specific prior written permission.
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38 *
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39 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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40 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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42 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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43 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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44 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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45 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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46 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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47 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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48 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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49 *
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50 ******************************************************************************
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51 */
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52
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53
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54 /* Includes ------------------------------------------------------------------*/
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55 #include "stm32f4xx_hal.h"
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56
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57 /** @addtogroup STM32F4xx_HAL_Driver
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58 * @{
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59 */
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60
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61 /** @defgroup DACEx DACEx
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62 * @brief DAC driver modules
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63 * @{
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64 */
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65
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66 #ifdef HAL_DAC_MODULE_ENABLED
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67
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68 #if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx) || defined(STM32F417xx) ||\
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69 defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) ||\
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70 defined(STM32F410Tx) || defined(STM32F410Cx) || defined(STM32F410Rx) || defined(STM32F446xx) ||\
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71 defined(STM32F469xx) || defined(STM32F479xx) || defined(STM32F413xx) || defined(STM32F423xx)
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72 /* Private typedef -----------------------------------------------------------*/
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73 /* Private define ------------------------------------------------------------*/
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74 /* Private macro -------------------------------------------------------------*/
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75 /* Private variables ---------------------------------------------------------*/
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76 /* Private function prototypes -----------------------------------------------*/
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77 /* Private functions ---------------------------------------------------------*/
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78 /* Exported functions --------------------------------------------------------*/
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79 /** @defgroup DACEx_Exported_Functions DAC Exported Functions
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80 * @{
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81 */
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82
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83 /** @defgroup DACEx_Exported_Functions_Group1 Extended features functions
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84 * @brief Extended features functions
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85 *
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86 @verbatim
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87 ==============================================================================
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88 ##### Extended features functions #####
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89 ==============================================================================
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90 [..] This section provides functions allowing to:
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91 (+) Start conversion.
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92 (+) Stop conversion.
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93 (+) Start conversion and enable DMA transfer.
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94 (+) Stop conversion and disable DMA transfer.
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95 (+) Get result of conversion.
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96 (+) Get result of dual mode conversion.
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97
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98 @endverbatim
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99 * @{
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100 */
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101
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102 /**
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103 * @brief Returns the last data output value of the selected DAC channel.
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104 * @param hdac pointer to a DAC_HandleTypeDef structure that contains
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105 * the configuration information for the specified DAC.
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106 * @retval The selected DAC channel data output value.
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107 */
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108 uint32_t HAL_DACEx_DualGetValue(DAC_HandleTypeDef* hdac)
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109 {
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110 uint32_t tmp = 0U;
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111
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112 tmp |= hdac->Instance->DOR1;
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113
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114 tmp |= hdac->Instance->DOR2 << 16U;
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115
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116 /* Returns the DAC channel data output register value */
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117 return tmp;
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118 }
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119
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120 /**
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121 * @brief Enables or disables the selected DAC channel wave generation.
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122 * @param hdac pointer to a DAC_HandleTypeDef structure that contains
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123 * the configuration information for the specified DAC.
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124 * @param Channel The selected DAC channel.
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125 * This parameter can be one of the following values:
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126 * DAC_CHANNEL_1 / DAC_CHANNEL_2
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127 * @param Amplitude Select max triangle amplitude.
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128 * This parameter can be one of the following values:
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129 * @arg DAC_TRIANGLEAMPLITUDE_1: Select max triangle amplitude of 1
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130 * @arg DAC_TRIANGLEAMPLITUDE_3: Select max triangle amplitude of 3
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131 * @arg DAC_TRIANGLEAMPLITUDE_7: Select max triangle amplitude of 7
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132 * @arg DAC_TRIANGLEAMPLITUDE_15: Select max triangle amplitude of 15
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133 * @arg DAC_TRIANGLEAMPLITUDE_31: Select max triangle amplitude of 31
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134 * @arg DAC_TRIANGLEAMPLITUDE_63: Select max triangle amplitude of 63
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135 * @arg DAC_TRIANGLEAMPLITUDE_127: Select max triangle amplitude of 127
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136 * @arg DAC_TRIANGLEAMPLITUDE_255: Select max triangle amplitude of 255
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137 * @arg DAC_TRIANGLEAMPLITUDE_511: Select max triangle amplitude of 511
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138 * @arg DAC_TRIANGLEAMPLITUDE_1023: Select max triangle amplitude of 1023
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139 * @arg DAC_TRIANGLEAMPLITUDE_2047: Select max triangle amplitude of 2047
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140 * @arg DAC_TRIANGLEAMPLITUDE_4095: Select max triangle amplitude of 4095
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141 * @retval HAL status
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142 */
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143 HAL_StatusTypeDef HAL_DACEx_TriangleWaveGenerate(DAC_HandleTypeDef* hdac, uint32_t Channel, uint32_t Amplitude)
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144 {
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145 /* Check the parameters */
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146 assert_param(IS_DAC_CHANNEL(Channel));
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147 assert_param(IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(Amplitude));
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148
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149 /* Process locked */
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150 __HAL_LOCK(hdac);
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151
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152 /* Change DAC state */
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153 hdac->State = HAL_DAC_STATE_BUSY;
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154
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155 /* Enable the selected wave generation for the selected DAC channel */
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156 MODIFY_REG(hdac->Instance->CR, (DAC_CR_WAVE1 | DAC_CR_MAMP1) << Channel, (DAC_CR_WAVE1_1 | Amplitude) << Channel);
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157
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158 /* Change DAC state */
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159 hdac->State = HAL_DAC_STATE_READY;
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160
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161 /* Process unlocked */
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162 __HAL_UNLOCK(hdac);
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163
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164 /* Return function status */
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165 return HAL_OK;
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166 }
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167
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168 /**
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169 * @brief Enables or disables the selected DAC channel wave generation.
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170 * @param hdac pointer to a DAC_HandleTypeDef structure that contains
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171 * the configuration information for the specified DAC.
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172 * @param Channel The selected DAC channel.
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173 * This parameter can be one of the following values:
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174 * DAC_CHANNEL_1 / DAC_CHANNEL_2
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175 * @param Amplitude Unmask DAC channel LFSR for noise wave generation.
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176 * This parameter can be one of the following values:
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177 * @arg DAC_LFSRUNMASK_BIT0: Unmask DAC channel LFSR bit0 for noise wave generation
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178 * @arg DAC_LFSRUNMASK_BITS1_0: Unmask DAC channel LFSR bit[1:0] for noise wave generation
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179 * @arg DAC_LFSRUNMASK_BITS2_0: Unmask DAC channel LFSR bit[2:0] for noise wave generation
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180 * @arg DAC_LFSRUNMASK_BITS3_0: Unmask DAC channel LFSR bit[3:0] for noise wave generation
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181 * @arg DAC_LFSRUNMASK_BITS4_0: Unmask DAC channel LFSR bit[4:0] for noise wave generation
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182 * @arg DAC_LFSRUNMASK_BITS5_0: Unmask DAC channel LFSR bit[5:0] for noise wave generation
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183 * @arg DAC_LFSRUNMASK_BITS6_0: Unmask DAC channel LFSR bit[6:0] for noise wave generation
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184 * @arg DAC_LFSRUNMASK_BITS7_0: Unmask DAC channel LFSR bit[7:0] for noise wave generation
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185 * @arg DAC_LFSRUNMASK_BITS8_0: Unmask DAC channel LFSR bit[8:0] for noise wave generation
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186 * @arg DAC_LFSRUNMASK_BITS9_0: Unmask DAC channel LFSR bit[9:0] for noise wave generation
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187 * @arg DAC_LFSRUNMASK_BITS10_0: Unmask DAC channel LFSR bit[10:0] for noise wave generation
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188 * @arg DAC_LFSRUNMASK_BITS11_0: Unmask DAC channel LFSR bit[11:0] for noise wave generation
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189 * @retval HAL status
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190 */
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191 HAL_StatusTypeDef HAL_DACEx_NoiseWaveGenerate(DAC_HandleTypeDef* hdac, uint32_t Channel, uint32_t Amplitude)
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192 {
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193 /* Check the parameters */
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194 assert_param(IS_DAC_CHANNEL(Channel));
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195 assert_param(IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(Amplitude));
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196
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197 /* Process locked */
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198 __HAL_LOCK(hdac);
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199
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200 /* Change DAC state */
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201 hdac->State = HAL_DAC_STATE_BUSY;
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202
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203 /* Enable the selected wave generation for the selected DAC channel */
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204 MODIFY_REG(hdac->Instance->CR, (DAC_CR_WAVE1 | DAC_CR_MAMP1) << Channel, (DAC_CR_WAVE1_0 | Amplitude) << Channel);
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205
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206 /* Change DAC state */
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207 hdac->State = HAL_DAC_STATE_READY;
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208
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209 /* Process unlocked */
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210 __HAL_UNLOCK(hdac);
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211
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212 /* Return function status */
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213 return HAL_OK;
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214 }
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215
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216 /**
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217 * @brief Set the specified data holding register value for dual DAC channel.
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218 * @param hdac pointer to a DAC_HandleTypeDef structure that contains
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219 * the configuration information for the specified DAC.
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220 * @param Alignment Specifies the data alignment for dual channel DAC.
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221 * This parameter can be one of the following values:
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222 * DAC_ALIGN_8B_R: 8bit right data alignment selected
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223 * DAC_ALIGN_12B_L: 12bit left data alignment selected
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224 * DAC_ALIGN_12B_R: 12bit right data alignment selected
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225 * @param Data1 Data for DAC Channel2 to be loaded in the selected data holding register.
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226 * @param Data2 Data for DAC Channel1 to be loaded in the selected data holding register.
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227 * @note In dual mode, a unique register access is required to write in both
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228 * DAC channels at the same time.
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229 * @retval HAL status
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230 */
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231 HAL_StatusTypeDef HAL_DACEx_DualSetValue(DAC_HandleTypeDef* hdac, uint32_t Alignment, uint32_t Data1, uint32_t Data2)
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232 {
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233 uint32_t data = 0U, tmp = 0U;
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234
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235 /* Check the parameters */
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236 assert_param(IS_DAC_ALIGN(Alignment));
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237 assert_param(IS_DAC_DATA(Data1));
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238 assert_param(IS_DAC_DATA(Data2));
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239
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240 /* Calculate and set dual DAC data holding register value */
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241 if (Alignment == DAC_ALIGN_8B_R)
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242 {
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243 data = ((uint32_t)Data2 << 8U) | Data1;
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244 }
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245 else
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246 {
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247 data = ((uint32_t)Data2 << 16U) | Data1;
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248 }
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249
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250 tmp = (uint32_t)hdac->Instance;
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251 tmp += DAC_DHR12RD_ALIGNMENT(Alignment);
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252
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253 /* Set the dual DAC selected data holding register */
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254 *(__IO uint32_t *)tmp = data;
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255
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256 /* Return function status */
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257 return HAL_OK;
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258 }
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259
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260 /**
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261 * @}
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262 */
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263
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264 /**
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265 * @brief Conversion complete callback in non blocking mode for Channel2
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266 * @param hdac pointer to a DAC_HandleTypeDef structure that contains
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267 * the configuration information for the specified DAC.
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268 * @retval None
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269 */
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270 __weak void HAL_DACEx_ConvCpltCallbackCh2(DAC_HandleTypeDef* hdac)
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271 {
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272 /* Prevent unused argument(s) compilation warning */
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273 UNUSED(hdac);
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274 /* NOTE : This function Should not be modified, when the callback is needed,
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275 the HAL_DAC_ConvCpltCallback could be implemented in the user file
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276 */
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277 }
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278
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279 /**
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280 * @brief Conversion half DMA transfer callback in non blocking mode for Channel2
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281 * @param hdac pointer to a DAC_HandleTypeDef structure that contains
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282 * the configuration information for the specified DAC.
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283 * @retval None
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284 */
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285 __weak void HAL_DACEx_ConvHalfCpltCallbackCh2(DAC_HandleTypeDef* hdac)
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286 {
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287 /* Prevent unused argument(s) compilation warning */
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288 UNUSED(hdac);
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289 /* NOTE : This function Should not be modified, when the callback is needed,
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290 the HAL_DAC_ConvHalfCpltCallbackCh2 could be implemented in the user file
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291 */
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292 }
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293
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294 /**
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295 * @brief Error DAC callback for Channel2.
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296 * @param hdac pointer to a DAC_HandleTypeDef structure that contains
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297 * the configuration information for the specified DAC.
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298 * @retval None
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299 */
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300 __weak void HAL_DACEx_ErrorCallbackCh2(DAC_HandleTypeDef *hdac)
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301 {
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302 /* Prevent unused argument(s) compilation warning */
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303 UNUSED(hdac);
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304 /* NOTE : This function Should not be modified, when the callback is needed,
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305 the HAL_DAC_ErrorCallback could be implemented in the user file
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306 */
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307 }
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308
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309 /**
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310 * @brief DMA underrun DAC callback for channel2.
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311 * @param hdac pointer to a DAC_HandleTypeDef structure that contains
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312 * the configuration information for the specified DAC.
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313 * @retval None
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314 */
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315 __weak void HAL_DACEx_DMAUnderrunCallbackCh2(DAC_HandleTypeDef *hdac)
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316 {
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317 /* Prevent unused argument(s) compilation warning */
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318 UNUSED(hdac);
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319 /* NOTE : This function Should not be modified, when the callback is needed,
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320 the HAL_DAC_DMAUnderrunCallbackCh2 could be implemented in the user file
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321 */
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322 }
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323
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324 /**
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325 * @brief DMA conversion complete callback.
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326 * @param hdma pointer to a DMA_HandleTypeDef structure that contains
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327 * the configuration information for the specified DMA module.
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328 * @retval None
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329 */
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330 void DAC_DMAConvCpltCh2(DMA_HandleTypeDef *hdma)
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331 {
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332 DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
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333
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334 HAL_DACEx_ConvCpltCallbackCh2(hdac);
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335
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336 hdac->State= HAL_DAC_STATE_READY;
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337 }
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338
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339 /**
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340 * @brief DMA half transfer complete callback.
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341 * @param hdma pointer to a DMA_HandleTypeDef structure that contains
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342 * the configuration information for the specified DMA module.
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343 * @retval None
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344 */
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345 void DAC_DMAHalfConvCpltCh2(DMA_HandleTypeDef *hdma)
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346 {
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347 DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
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348 /* Conversion complete callback */
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349 HAL_DACEx_ConvHalfCpltCallbackCh2(hdac);
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350 }
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351
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352 /**
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353 * @brief DMA error callback
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354 * @param hdma pointer to a DMA_HandleTypeDef structure that contains
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355 * the configuration information for the specified DMA module.
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356 * @retval None
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357 */
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358 void DAC_DMAErrorCh2(DMA_HandleTypeDef *hdma)
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359 {
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360 DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
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361
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362 /* Set DAC error code to DMA error */
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363 hdac->ErrorCode |= HAL_DAC_ERROR_DMA;
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364
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365 HAL_DACEx_ErrorCallbackCh2(hdac);
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366
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367 hdac->State= HAL_DAC_STATE_READY;
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368 }
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369
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370 /**
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371 * @}
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372 */
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373
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374 #endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx ||\
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375 STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx ||\
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376 STM32F410xx || STM32F446xx || STM32F469xx || STM32F479xx ||\
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377 STM32F413xx || STM32F423xx */
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378
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379 #endif /* HAL_DAC_MODULE_ENABLED */
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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
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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 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/