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annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dac_ex.c @ 632:2586f7b734f4
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author | Ideenmodellierer |
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date | Tue, 23 Feb 2021 21:55:52 +0100 |
parents | c78bcbd5deda |
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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>© 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****/ |