Mercurial > public > ostc4
annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dac.c @ 473:edfc1a464b42 Improve_Button_Sleep
Do not signal power on reset in case of a "warm" reset:
The RTE signaled at every startup a coldstart to the firmware causing a reset of the button responsitivness to default. Even for example after a firmware update. The reset of the values is a wanted behavior in case a value was set which makes it impossible to operate the buttons. This is still possible by removing the battery => real cold start
author | ideenmodellierer |
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date | Tue, 12 May 2020 22:39:18 +0200 |
parents | c78bcbd5deda |
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rev | line source |
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128
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1 /** |
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2 ****************************************************************************** |
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3 * @file stm32f4xx_hal_dac.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 the Digital to Analog Converter (DAC) peripheral: |
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8 * + Initialization and de-initialization functions |
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9 * + IO operation functions |
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10 * + Peripheral Control functions |
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11 * + Peripheral State and Errors functions |
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12 * |
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13 * |
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14 @verbatim |
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15 ============================================================================== |
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16 ##### DAC Peripheral features ##### |
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17 ============================================================================== |
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18 [..] |
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19 *** DAC Channels *** |
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20 ==================== |
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21 [..] |
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22 The device integrates two 12-bit Digital Analog Converters that can |
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23 be used independently or simultaneously (dual mode): |
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24 (#) DAC channel1 with DAC_OUT1 (PA4) as output |
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25 (#) DAC channel2 with DAC_OUT2 (PA5) as output |
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26 |
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27 *** DAC Triggers *** |
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28 ==================== |
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29 [..] |
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30 Digital to Analog conversion can be non-triggered using DAC_TRIGGER_NONE |
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31 and DAC_OUT1/DAC_OUT2 is available once writing to DHRx register. |
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32 [..] |
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33 Digital to Analog conversion can be triggered by: |
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34 (#) External event: EXTI Line 9 (any GPIOx_Pin9) using DAC_TRIGGER_EXT_IT9. |
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35 The used pin (GPIOx_Pin9) must be configured in input mode. |
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36 |
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37 (#) Timers TRGO: TIM2, TIM4, TIM5, TIM6, TIM7 and TIM8 |
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38 (DAC_TRIGGER_T2_TRGO, DAC_TRIGGER_T4_TRGO...) |
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39 |
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40 (#) Software using DAC_TRIGGER_SOFTWARE |
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41 |
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42 *** DAC Buffer mode feature *** |
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43 =============================== |
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44 [..] |
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45 Each DAC channel integrates an output buffer that can be used to |
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46 reduce the output impedance, and to drive external loads directly |
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47 without having to add an external operational amplifier. |
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48 To enable, the output buffer use |
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49 sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_ENABLE; |
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50 [..] |
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51 (@) Refer to the device datasheet for more details about output |
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52 impedance value with and without output buffer. |
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53 |
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54 *** DAC wave generation feature *** |
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55 =================================== |
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56 [..] |
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57 Both DAC channels can be used to generate |
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58 (#) Noise wave |
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59 (#) Triangle wave |
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60 |
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61 *** DAC data format *** |
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62 ======================= |
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63 [..] |
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64 The DAC data format can be: |
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65 (#) 8-bit right alignment using DAC_ALIGN_8B_R |
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66 (#) 12-bit left alignment using DAC_ALIGN_12B_L |
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67 (#) 12-bit right alignment using DAC_ALIGN_12B_R |
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68 |
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69 *** DAC data value to voltage correspondence *** |
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70 ================================================ |
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71 [..] |
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72 The analog output voltage on each DAC channel pin is determined |
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73 by the following equation: |
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74 DAC_OUTx = VREF+ * DOR / 4095 |
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75 with DOR is the Data Output Register |
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76 VEF+ is the input voltage reference (refer to the device datasheet) |
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77 e.g. To set DAC_OUT1 to 0.7V, use |
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78 Assuming that VREF+ = 3.3V, DAC_OUT1 = (3.3 * 868) / 4095 = 0.7V |
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79 |
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80 *** DMA requests *** |
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81 ===================== |
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82 [..] |
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83 A DMA1 request can be generated when an external trigger (but not |
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84 a software trigger) occurs if DMA1 requests are enabled using |
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85 HAL_DAC_Start_DMA() |
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86 [..] |
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87 DMA1 requests are mapped as following: |
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88 (#) DAC channel1 : mapped on DMA1 Stream5 channel7 which must be |
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89 already configured |
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90 (#) DAC channel2 : mapped on DMA1 Stream6 channel7 which must be |
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91 already configured |
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92 |
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93 -@- For Dual mode and specific signal (Triangle and noise) generation please |
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94 refer to Extension Features Driver description |
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95 |
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96 |
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97 ##### How to use this driver ##### |
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98 ============================================================================== |
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99 [..] |
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100 (+) DAC APB clock must be enabled to get write access to DAC |
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101 registers using HAL_DAC_Init() |
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102 (+) Configure DAC_OUTx (DAC_OUT1: PA4, DAC_OUT2: PA5) in analog mode. |
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103 (+) Configure the DAC channel using HAL_DAC_ConfigChannel() function. |
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104 (+) Enable the DAC channel using HAL_DAC_Start() or HAL_DAC_Start_DMA functions |
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105 |
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106 *** Polling mode IO operation *** |
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107 ================================= |
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108 [..] |
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109 (+) Start the DAC peripheral using HAL_DAC_Start() |
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110 (+) To read the DAC last data output value, use the HAL_DAC_GetValue() function. |
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111 (+) Stop the DAC peripheral using HAL_DAC_Stop() |
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112 |
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113 *** DMA mode IO operation *** |
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114 ============================== |
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115 [..] |
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116 (+) Start the DAC peripheral using HAL_DAC_Start_DMA(), at this stage the user specify the length |
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117 of data to be transferred at each end of conversion |
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118 (+) At The end of data transfer HAL_DAC_ConvCpltCallbackCh1()or HAL_DAC_ConvCpltCallbackCh2() |
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119 function is executed and user can add his own code by customization of function pointer |
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120 HAL_DAC_ConvCpltCallbackCh1 or HAL_DAC_ConvCpltCallbackCh2 |
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121 (+) In case of transfer Error, HAL_DAC_ErrorCallbackCh1() function is executed and user can |
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122 add his own code by customization of function pointer HAL_DAC_ErrorCallbackCh1 |
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123 (+) Stop the DAC peripheral using HAL_DAC_Stop_DMA() |
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124 |
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125 *** DAC HAL driver macros list *** |
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126 ============================================= |
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127 [..] |
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128 Below the list of most used macros in DAC HAL driver. |
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129 |
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130 (+) __HAL_DAC_ENABLE : Enable the DAC peripheral |
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131 (+) __HAL_DAC_DISABLE : Disable the DAC peripheral |
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132 (+) __HAL_DAC_CLEAR_FLAG: Clear the DAC's pending flags |
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133 (+) __HAL_DAC_GET_FLAG: Get the selected DAC's flag status |
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134 |
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135 [..] |
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136 (@) You can refer to the DAC HAL driver header file for more useful macros |
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137 |
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138 @endverbatim |
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139 ****************************************************************************** |
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140 * @attention |
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141 * |
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142 * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2> |
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143 * |
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144 * Redistribution and use in source and binary forms, with or without modification, |
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145 * are permitted provided that the following conditions are met: |
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146 * 1. Redistributions of source code must retain the above copyright notice, |
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147 * this list of conditions and the following disclaimer. |
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148 * 2. Redistributions in binary form must reproduce the above copyright notice, |
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149 * this list of conditions and the following disclaimer in the documentation |
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150 * and/or other materials provided with the distribution. |
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151 * 3. Neither the name of STMicroelectronics nor the names of its contributors |
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152 * may be used to endorse or promote products derived from this software |
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153 * without specific prior written permission. |
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154 * |
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155 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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156 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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157 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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158 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
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159 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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160 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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161 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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162 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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163 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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164 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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165 * |
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166 ****************************************************************************** |
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167 */ |
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168 |
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169 |
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170 /* Includes ------------------------------------------------------------------*/ |
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171 #include "stm32f4xx_hal.h" |
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172 |
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173 /** @addtogroup STM32F4xx_HAL_Driver |
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174 * @{ |
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175 */ |
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176 |
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177 /** @defgroup DAC DAC |
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178 * @brief DAC driver modules |
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179 * @{ |
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180 */ |
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181 |
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182 #ifdef HAL_DAC_MODULE_ENABLED |
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183 |
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184 #if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx) || defined(STM32F417xx) ||\ |
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185 defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) ||\ |
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186 defined(STM32F410Tx) || defined(STM32F410Cx) || defined(STM32F410Rx) || defined(STM32F446xx) ||\ |
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187 defined(STM32F469xx) || defined(STM32F479xx) || defined(STM32F413xx) || defined(STM32F423xx) |
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188 /* Private typedef -----------------------------------------------------------*/ |
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189 /* Private define ------------------------------------------------------------*/ |
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190 /* Private macro -------------------------------------------------------------*/ |
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191 /* Private variables ---------------------------------------------------------*/ |
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192 /** @addtogroup DAC_Private_Functions |
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193 * @{ |
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194 */ |
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195 /* Private function prototypes -----------------------------------------------*/ |
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196 static void DAC_DMAConvCpltCh1(DMA_HandleTypeDef *hdma); |
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197 static void DAC_DMAErrorCh1(DMA_HandleTypeDef *hdma); |
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198 static void DAC_DMAHalfConvCpltCh1(DMA_HandleTypeDef *hdma); |
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199 /** |
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200 * @} |
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201 */ |
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202 |
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203 /* Exported functions --------------------------------------------------------*/ |
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204 /** @defgroup DAC_Exported_Functions DAC Exported Functions |
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205 * @{ |
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206 */ |
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207 |
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208 /** @defgroup DAC_Exported_Functions_Group1 Initialization and de-initialization functions |
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209 * @brief Initialization and Configuration functions |
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210 * |
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211 @verbatim |
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212 ============================================================================== |
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213 ##### Initialization and de-initialization functions ##### |
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214 ============================================================================== |
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215 [..] This section provides functions allowing to: |
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216 (+) Initialize and configure the DAC. |
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217 (+) De-initialize the DAC. |
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218 |
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219 @endverbatim |
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220 * @{ |
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221 */ |
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222 |
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223 /** |
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224 * @brief Initializes the DAC peripheral according to the specified parameters |
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225 * in the DAC_InitStruct. |
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226 * @param hdac pointer to a DAC_HandleTypeDef structure that contains |
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227 * the configuration information for the specified DAC. |
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228 * @retval HAL status |
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229 */ |
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230 HAL_StatusTypeDef HAL_DAC_Init(DAC_HandleTypeDef* hdac) |
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231 { |
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232 /* Check DAC handle */ |
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233 if(hdac == NULL) |
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234 { |
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235 return HAL_ERROR; |
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236 } |
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237 /* Check the parameters */ |
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238 assert_param(IS_DAC_ALL_INSTANCE(hdac->Instance)); |
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239 |
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240 if(hdac->State == HAL_DAC_STATE_RESET) |
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241 { |
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242 /* Allocate lock resource and initialize it */ |
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243 hdac->Lock = HAL_UNLOCKED; |
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244 /* Init the low level hardware */ |
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245 HAL_DAC_MspInit(hdac); |
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246 } |
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247 |
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248 /* Initialize the DAC state*/ |
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249 hdac->State = HAL_DAC_STATE_BUSY; |
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250 |
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251 /* Set DAC error code to none */ |
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252 hdac->ErrorCode = HAL_DAC_ERROR_NONE; |
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253 |
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254 /* Initialize the DAC state*/ |
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255 hdac->State = HAL_DAC_STATE_READY; |
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256 |
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257 /* Return function status */ |
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258 return HAL_OK; |
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259 } |
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260 |
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261 /** |
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262 * @brief Deinitializes the DAC peripheral registers to their default reset values. |
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263 * @param hdac pointer to a DAC_HandleTypeDef structure that contains |
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264 * the configuration information for the specified DAC. |
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265 * @retval HAL status |
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266 */ |
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267 HAL_StatusTypeDef HAL_DAC_DeInit(DAC_HandleTypeDef* hdac) |
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268 { |
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269 /* Check DAC handle */ |
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270 if(hdac == NULL) |
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271 { |
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272 return HAL_ERROR; |
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273 } |
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274 |
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275 /* Check the parameters */ |
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276 assert_param(IS_DAC_ALL_INSTANCE(hdac->Instance)); |
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277 |
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278 /* Change DAC state */ |
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279 hdac->State = HAL_DAC_STATE_BUSY; |
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280 |
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281 /* DeInit the low level hardware */ |
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282 HAL_DAC_MspDeInit(hdac); |
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283 |
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284 /* Set DAC error code to none */ |
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285 hdac->ErrorCode = HAL_DAC_ERROR_NONE; |
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286 |
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287 /* Change DAC state */ |
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288 hdac->State = HAL_DAC_STATE_RESET; |
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289 |
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290 /* Release Lock */ |
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291 __HAL_UNLOCK(hdac); |
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292 |
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293 /* Return function status */ |
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294 return HAL_OK; |
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295 } |
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296 |
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297 /** |
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298 * @brief Initializes the DAC MSP. |
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299 * @param hdac pointer to a DAC_HandleTypeDef structure that contains |
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300 * the configuration information for the specified DAC. |
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301 * @retval None |
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302 */ |
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303 __weak void HAL_DAC_MspInit(DAC_HandleTypeDef* hdac) |
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304 { |
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305 /* Prevent unused argument(s) compilation warning */ |
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306 UNUSED(hdac); |
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307 /* NOTE : This function Should not be modified, when the callback is needed, |
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308 the HAL_DAC_MspInit could be implemented in the user file |
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309 */ |
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310 } |
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311 |
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312 /** |
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313 * @brief DeInitializes the DAC MSP. |
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314 * @param hdac pointer to a DAC_HandleTypeDef structure that contains |
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315 * the configuration information for the specified DAC. |
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316 * @retval None |
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317 */ |
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318 __weak void HAL_DAC_MspDeInit(DAC_HandleTypeDef* hdac) |
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319 { |
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320 /* Prevent unused argument(s) compilation warning */ |
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321 UNUSED(hdac); |
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322 /* NOTE : This function Should not be modified, when the callback is needed, |
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323 the HAL_DAC_MspDeInit could be implemented in the user file |
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324 */ |
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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 /** @defgroup DAC_Exported_Functions_Group2 IO operation functions |
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332 * @brief IO operation functions |
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333 * |
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334 @verbatim |
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335 ============================================================================== |
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336 ##### IO operation functions ##### |
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337 ============================================================================== |
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338 [..] This section provides functions allowing to: |
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339 (+) Start conversion. |
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340 (+) Stop conversion. |
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341 (+) Start conversion and enable DMA transfer. |
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342 (+) Stop conversion and disable DMA transfer. |
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343 (+) Get result of conversion. |
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344 |
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345 @endverbatim |
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346 * @{ |
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347 */ |
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348 |
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349 /** |
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350 * @brief Enables DAC and starts conversion of channel. |
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351 * @param hdac pointer to a DAC_HandleTypeDef structure that contains |
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352 * the configuration information for the specified DAC. |
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353 * @param Channel The selected DAC channel. |
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354 * This parameter can be one of the following values: |
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355 * @arg DAC_CHANNEL_1: DAC Channel1 selected |
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356 * @arg DAC_CHANNEL_2: DAC Channel2 selected |
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357 * @retval HAL status |
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358 */ |
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359 HAL_StatusTypeDef HAL_DAC_Start(DAC_HandleTypeDef* hdac, uint32_t Channel) |
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360 { |
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361 uint32_t tmp1 = 0U, tmp2 = 0U; |
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362 |
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363 /* Check the parameters */ |
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364 assert_param(IS_DAC_CHANNEL(Channel)); |
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365 |
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366 /* Process locked */ |
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367 __HAL_LOCK(hdac); |
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368 |
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369 /* Change DAC state */ |
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370 hdac->State = HAL_DAC_STATE_BUSY; |
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371 |
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372 /* Enable the Peripheral */ |
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373 __HAL_DAC_ENABLE(hdac, Channel); |
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374 |
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375 if(Channel == DAC_CHANNEL_1) |
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376 { |
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377 tmp1 = hdac->Instance->CR & DAC_CR_TEN1; |
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378 tmp2 = hdac->Instance->CR & DAC_CR_TSEL1; |
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379 /* Check if software trigger enabled */ |
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380 if((tmp1 == DAC_CR_TEN1) && (tmp2 == DAC_CR_TSEL1)) |
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381 { |
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382 /* Enable the selected DAC software conversion */ |
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383 hdac->Instance->SWTRIGR |= (uint32_t)DAC_SWTRIGR_SWTRIG1; |
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384 } |
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385 } |
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386 else |
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387 { |
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388 tmp1 = hdac->Instance->CR & DAC_CR_TEN2; |
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389 tmp2 = hdac->Instance->CR & DAC_CR_TSEL2; |
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390 /* Check if software trigger enabled */ |
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391 if((tmp1 == DAC_CR_TEN2) && (tmp2 == DAC_CR_TSEL2)) |
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392 { |
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393 /* Enable the selected DAC software conversion*/ |
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394 hdac->Instance->SWTRIGR |= (uint32_t)DAC_SWTRIGR_SWTRIG2; |
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395 } |
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396 } |
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397 |
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398 /* Change DAC state */ |
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399 hdac->State = HAL_DAC_STATE_READY; |
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400 |
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401 /* Process unlocked */ |
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402 __HAL_UNLOCK(hdac); |
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403 |
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404 /* Return function status */ |
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405 return HAL_OK; |
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|
406 } |
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Added current STM32 standandard libraries in version independend folder structure
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407 |
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408 /** |
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409 * @brief Disables DAC and stop conversion of channel. |
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410 * @param hdac pointer to a DAC_HandleTypeDef structure that contains |
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411 * the configuration information for the specified DAC. |
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Added current STM32 standandard libraries in version independend folder structure
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412 * @param Channel The selected DAC channel. |
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413 * This parameter can be one of the following values: |
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Added current STM32 standandard libraries in version independend folder structure
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414 * @arg DAC_CHANNEL_1: DAC Channel1 selected |
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415 * @arg DAC_CHANNEL_2: DAC Channel2 selected |
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416 * @retval HAL status |
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|
417 */ |
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418 HAL_StatusTypeDef HAL_DAC_Stop(DAC_HandleTypeDef* hdac, uint32_t Channel) |
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419 { |
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420 /* Check the parameters */ |
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421 assert_param(IS_DAC_CHANNEL(Channel)); |
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|
422 |
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423 /* Disable the Peripheral */ |
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424 __HAL_DAC_DISABLE(hdac, Channel); |
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425 |
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426 /* Change DAC state */ |
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427 hdac->State = HAL_DAC_STATE_READY; |
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|
428 |
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429 /* Return function status */ |
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430 return HAL_OK; |
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Added current STM32 standandard libraries in version independend folder structure
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|
431 } |
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Added current STM32 standandard libraries in version independend folder structure
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|
432 |
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433 /** |
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434 * @brief Enables DAC and starts conversion of channel. |
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435 * @param hdac pointer to a DAC_HandleTypeDef structure that contains |
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436 * the configuration information for the specified DAC. |
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437 * @param Channel The selected DAC channel. |
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438 * This parameter can be one of the following values: |
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Added current STM32 standandard libraries in version independend folder structure
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439 * @arg DAC_CHANNEL_1: DAC Channel1 selected |
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440 * @arg DAC_CHANNEL_2: DAC Channel2 selected |
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441 * @param pData The destination peripheral Buffer address. |
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442 * @param Length The length of data to be transferred from memory to DAC peripheral |
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443 * @param Alignment Specifies the data alignment for DAC channel. |
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444 * This parameter can be one of the following values: |
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445 * @arg DAC_ALIGN_8B_R: 8bit right data alignment selected |
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446 * @arg DAC_ALIGN_12B_L: 12bit left data alignment selected |
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447 * @arg DAC_ALIGN_12B_R: 12bit right data alignment selected |
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448 * @retval HAL status |
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449 */ |
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450 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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451 { |
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452 uint32_t tmpreg = 0U; |
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453 |
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454 /* Check the parameters */ |
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455 assert_param(IS_DAC_CHANNEL(Channel)); |
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456 assert_param(IS_DAC_ALIGN(Alignment)); |
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|
457 |
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458 /* Process locked */ |
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459 __HAL_LOCK(hdac); |
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460 |
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461 /* Change DAC state */ |
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462 hdac->State = HAL_DAC_STATE_BUSY; |
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|
463 |
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464 if(Channel == DAC_CHANNEL_1) |
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465 { |
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466 /* Set the DMA transfer complete callback for channel1 */ |
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467 hdac->DMA_Handle1->XferCpltCallback = DAC_DMAConvCpltCh1; |
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468 |
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469 /* Set the DMA half transfer complete callback for channel1 */ |
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470 hdac->DMA_Handle1->XferHalfCpltCallback = DAC_DMAHalfConvCpltCh1; |
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471 |
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472 /* Set the DMA error callback for channel1 */ |
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473 hdac->DMA_Handle1->XferErrorCallback = DAC_DMAErrorCh1; |
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474 |
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475 /* Enable the selected DAC channel1 DMA request */ |
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476 hdac->Instance->CR |= DAC_CR_DMAEN1; |
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|
477 |
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478 /* Case of use of channel 1 */ |
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479 switch(Alignment) |
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480 { |
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481 case DAC_ALIGN_12B_R: |
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482 /* Get DHR12R1 address */ |
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483 tmpreg = (uint32_t)&hdac->Instance->DHR12R1; |
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484 break; |
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485 case DAC_ALIGN_12B_L: |
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486 /* Get DHR12L1 address */ |
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487 tmpreg = (uint32_t)&hdac->Instance->DHR12L1; |
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488 break; |
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489 case DAC_ALIGN_8B_R: |
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490 /* Get DHR8R1 address */ |
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491 tmpreg = (uint32_t)&hdac->Instance->DHR8R1; |
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492 break; |
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|
493 default: |
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|
494 break; |
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|
495 } |
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|
496 } |
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497 else |
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|
498 { |
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499 /* Set the DMA transfer complete callback for channel2 */ |
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500 hdac->DMA_Handle2->XferCpltCallback = DAC_DMAConvCpltCh2; |
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501 |
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502 /* Set the DMA half transfer complete callback for channel2 */ |
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503 hdac->DMA_Handle2->XferHalfCpltCallback = DAC_DMAHalfConvCpltCh2; |
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504 |
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505 /* Set the DMA error callback for channel2 */ |
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506 hdac->DMA_Handle2->XferErrorCallback = DAC_DMAErrorCh2; |
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|
507 |
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|
508 /* Enable the selected DAC channel2 DMA request */ |
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509 hdac->Instance->CR |= DAC_CR_DMAEN2; |
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|
510 |
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511 /* Case of use of channel 2 */ |
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512 switch(Alignment) |
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|
513 { |
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|
514 case DAC_ALIGN_12B_R: |
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|
515 /* Get DHR12R2 address */ |
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516 tmpreg = (uint32_t)&hdac->Instance->DHR12R2; |
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|
517 break; |
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|
518 case DAC_ALIGN_12B_L: |
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|
519 /* Get DHR12L2 address */ |
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520 tmpreg = (uint32_t)&hdac->Instance->DHR12L2; |
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|
521 break; |
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|
522 case DAC_ALIGN_8B_R: |
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523 /* Get DHR8R2 address */ |
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524 tmpreg = (uint32_t)&hdac->Instance->DHR8R2; |
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changeset
|
525 break; |
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|
526 default: |
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changeset
|
527 break; |
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|
528 } |
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Added current STM32 standandard libraries in version independend folder structure
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|
529 } |
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changeset
|
530 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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|
531 /* Enable the DMA Stream */ |
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|
532 if(Channel == DAC_CHANNEL_1) |
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|
533 { |
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|
534 /* Enable the DAC DMA underrun interrupt */ |
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|
535 __HAL_DAC_ENABLE_IT(hdac, DAC_IT_DMAUDR1); |
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|
536 |
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|
537 /* Enable the DMA Stream */ |
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538 HAL_DMA_Start_IT(hdac->DMA_Handle1, (uint32_t)pData, tmpreg, Length); |
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|
539 } |
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|
540 else |
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Added current STM32 standandard libraries in version independend folder structure
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|
541 { |
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542 /* Enable the DAC DMA underrun interrupt */ |
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|
543 __HAL_DAC_ENABLE_IT(hdac, DAC_IT_DMAUDR2); |
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544 |
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|
545 /* Enable the DMA Stream */ |
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|
546 HAL_DMA_Start_IT(hdac->DMA_Handle2, (uint32_t)pData, tmpreg, Length); |
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547 } |
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548 |
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parents:
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549 /* Enable the Peripheral */ |
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|
550 __HAL_DAC_ENABLE(hdac, Channel); |
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551 |
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parents:
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changeset
|
552 /* Process Unlocked */ |
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553 __HAL_UNLOCK(hdac); |
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|
554 |
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|
555 /* Return function status */ |
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|
556 return HAL_OK; |
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|
557 } |
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|
558 |
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Added current STM32 standandard libraries in version independend folder structure
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|
559 /** |
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Added current STM32 standandard libraries in version independend folder structure
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560 * @brief Disables DAC and stop conversion of channel. |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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561 * @param hdac pointer to a DAC_HandleTypeDef structure that contains |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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|
562 * the configuration information for the specified DAC. |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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|
563 * @param Channel The selected DAC channel. |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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|
564 * This parameter can be one of the following values: |
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Added current STM32 standandard libraries in version independend folder structure
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diff
changeset
|
565 * @arg DAC_CHANNEL_1: DAC Channel1 selected |
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|
566 * @arg DAC_CHANNEL_2: DAC Channel2 selected |
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|
567 * @retval HAL status |
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diff
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|
568 */ |
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changeset
|
569 HAL_StatusTypeDef HAL_DAC_Stop_DMA(DAC_HandleTypeDef* hdac, uint32_t Channel) |
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570 { |
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571 HAL_StatusTypeDef status = HAL_OK; |
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572 |
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|
573 /* Check the parameters */ |
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|
574 assert_param(IS_DAC_CHANNEL(Channel)); |
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|
575 |
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|
576 /* Disable the selected DAC channel DMA request */ |
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|
577 hdac->Instance->CR &= ~(DAC_CR_DMAEN1 << Channel); |
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578 |
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diff
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579 /* Disable the Peripheral */ |
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580 __HAL_DAC_DISABLE(hdac, Channel); |
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581 |
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parents:
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582 /* Disable the DMA Channel */ |
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|
583 /* Channel1 is used */ |
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584 if(Channel == DAC_CHANNEL_1) |
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585 { |
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|
586 status = HAL_DMA_Abort(hdac->DMA_Handle1); |
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587 } |
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parents:
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588 else /* Channel2 is used for */ |
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589 { |
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|
590 status = HAL_DMA_Abort(hdac->DMA_Handle2); |
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591 } |
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|
592 |
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parents:
diff
changeset
|
593 /* Check if DMA Channel effectively disabled */ |
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|
594 if(status != HAL_OK) |
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diff
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|
595 { |
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changeset
|
596 /* Update DAC state machine to error */ |
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|
597 hdac->State = HAL_DAC_STATE_ERROR; |
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|
598 } |
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|
599 else |
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|
600 { |
c78bcbd5deda
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|
601 /* Change DAC state */ |
c78bcbd5deda
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|
602 hdac->State = HAL_DAC_STATE_READY; |
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|
603 } |
c78bcbd5deda
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|
604 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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|
605 /* Return function status */ |
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Added current STM32 standandard libraries in version independend folder structure
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606 return status; |
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Added current STM32 standandard libraries in version independend folder structure
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|
607 } |
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Added current STM32 standandard libraries in version independend folder structure
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608 |
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Ideenmodellierer
parents:
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|
609 /** |
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|
610 * @brief Returns the last data output value of the selected DAC channel. |
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611 * @param hdac pointer to a DAC_HandleTypeDef structure that contains |
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612 * the configuration information for the specified DAC. |
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613 * @param Channel The selected DAC channel. |
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614 * This parameter can be one of the following values: |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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615 * @arg DAC_CHANNEL_1: DAC Channel1 selected |
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Added current STM32 standandard libraries in version independend folder structure
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616 * @arg DAC_CHANNEL_2: DAC Channel2 selected |
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617 * @retval The selected DAC channel data output value. |
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|
618 */ |
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619 uint32_t HAL_DAC_GetValue(DAC_HandleTypeDef* hdac, uint32_t Channel) |
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|
620 { |
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621 /* Check the parameters */ |
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622 assert_param(IS_DAC_CHANNEL(Channel)); |
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|
623 |
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624 /* Returns the DAC channel data output register value */ |
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625 if(Channel == DAC_CHANNEL_1) |
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diff
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|
626 { |
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627 return hdac->Instance->DOR1; |
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628 } |
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629 else |
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630 { |
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631 return hdac->Instance->DOR2; |
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|
632 } |
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633 } |
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634 |
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635 /** |
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636 * @brief Handles DAC interrupt request |
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637 * @param hdac pointer to a DAC_HandleTypeDef structure that contains |
c78bcbd5deda
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638 * the configuration information for the specified DAC. |
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639 * @retval None |
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|
640 */ |
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641 void HAL_DAC_IRQHandler(DAC_HandleTypeDef* hdac) |
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642 { |
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643 /* Check underrun channel 1 flag */ |
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Added current STM32 standandard libraries in version independend folder structure
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644 if(__HAL_DAC_GET_FLAG(hdac, DAC_FLAG_DMAUDR1)) |
c78bcbd5deda
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645 { |
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|
646 /* Change DAC state to error state */ |
c78bcbd5deda
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647 hdac->State = HAL_DAC_STATE_ERROR; |
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Added current STM32 standandard libraries in version independend folder structure
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|
648 |
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Added current STM32 standandard libraries in version independend folder structure
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|
649 /* Set DAC error code to channel1 DMA underrun error */ |
c78bcbd5deda
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|
650 hdac->ErrorCode |= HAL_DAC_ERROR_DMAUNDERRUNCH1; |
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|
651 |
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|
652 /* Clear the underrun flag */ |
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|
653 __HAL_DAC_CLEAR_FLAG(hdac,DAC_FLAG_DMAUDR1); |
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|
654 |
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655 /* Disable the selected DAC channel1 DMA request */ |
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|
656 hdac->Instance->CR &= ~DAC_CR_DMAEN1; |
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657 |
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658 /* Error callback */ |
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|
659 HAL_DAC_DMAUnderrunCallbackCh1(hdac); |
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|
660 } |
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|
661 /* Check underrun channel 2 flag */ |
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|
662 if(__HAL_DAC_GET_FLAG(hdac, DAC_FLAG_DMAUDR2)) |
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663 { |
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|
664 /* Change DAC state to error state */ |
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665 hdac->State = HAL_DAC_STATE_ERROR; |
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|
666 |
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|
667 /* Set DAC error code to channel2 DMA underrun error */ |
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668 hdac->ErrorCode |= HAL_DAC_ERROR_DMAUNDERRUNCH2; |
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669 |
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670 /* Clear the underrun flag */ |
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671 __HAL_DAC_CLEAR_FLAG(hdac,DAC_FLAG_DMAUDR2); |
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|
672 |
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673 /* Disable the selected DAC channel1 DMA request */ |
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674 hdac->Instance->CR &= ~DAC_CR_DMAEN2; |
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|
675 |
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676 /* Error callback */ |
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677 HAL_DACEx_DMAUnderrunCallbackCh2(hdac); |
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678 } |
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679 } |
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680 |
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681 /** |
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682 * @brief Conversion complete callback in non blocking mode for Channel1 |
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683 * @param hdac pointer to a DAC_HandleTypeDef structure that contains |
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684 * the configuration information for the specified DAC. |
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685 * @retval None |
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686 */ |
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Added current STM32 standandard libraries in version independend folder structure
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687 __weak void HAL_DAC_ConvCpltCallbackCh1(DAC_HandleTypeDef* hdac) |
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688 { |
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689 /* Prevent unused argument(s) compilation warning */ |
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|
690 UNUSED(hdac); |
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691 /* NOTE : This function Should not be modified, when the callback is needed, |
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diff
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|
692 the HAL_DAC_ConvCpltCallback could be implemented in the user file |
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|
693 */ |
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|
694 } |
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|
695 |
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|
696 /** |
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697 * @brief Conversion half DMA transfer callback in non blocking mode for Channel1 |
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Added current STM32 standandard libraries in version independend folder structure
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698 * @param hdac pointer to a DAC_HandleTypeDef structure that contains |
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|
699 * the configuration information for the specified DAC. |
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|
700 * @retval None |
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|
701 */ |
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|
702 __weak void HAL_DAC_ConvHalfCpltCallbackCh1(DAC_HandleTypeDef* hdac) |
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|
703 { |
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|
704 /* Prevent unused argument(s) compilation warning */ |
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|
705 UNUSED(hdac); |
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|
706 /* NOTE : This function Should not be modified, when the callback is needed, |
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|
707 the HAL_DAC_ConvHalfCpltCallbackCh1 could be implemented in the user file |
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|
708 */ |
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|
709 } |
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710 |
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|
711 /** |
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|
712 * @brief Error DAC callback for Channel1. |
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713 * @param hdac pointer to a DAC_HandleTypeDef structure that contains |
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714 * the configuration information for the specified DAC. |
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|
715 * @retval None |
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716 */ |
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717 __weak void HAL_DAC_ErrorCallbackCh1(DAC_HandleTypeDef *hdac) |
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718 { |
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719 /* Prevent unused argument(s) compilation warning */ |
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|
720 UNUSED(hdac); |
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721 /* NOTE : This function Should not be modified, when the callback is needed, |
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722 the HAL_DAC_ErrorCallbackCh1 could be implemented in the user file |
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723 */ |
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|
724 } |
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|
725 |
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|
726 /** |
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|
727 * @brief DMA underrun DAC callback for channel1. |
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728 * @param hdac pointer to a DAC_HandleTypeDef structure that contains |
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|
729 * the configuration information for the specified DAC. |
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|
730 * @retval None |
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|
731 */ |
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|
732 __weak void HAL_DAC_DMAUnderrunCallbackCh1(DAC_HandleTypeDef *hdac) |
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|
733 { |
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|
734 /* Prevent unused argument(s) compilation warning */ |
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|
735 UNUSED(hdac); |
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736 /* NOTE : This function Should not be modified, when the callback is needed, |
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737 the HAL_DAC_DMAUnderrunCallbackCh1 could be implemented in the user file |
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|
738 */ |
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|
739 } |
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740 |
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|
741 /** |
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742 * @} |
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|
743 */ |
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744 |
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745 /** @defgroup DAC_Exported_Functions_Group3 Peripheral Control functions |
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746 * @brief Peripheral Control functions |
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|
747 * |
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|
748 @verbatim |
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|
749 ============================================================================== |
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750 ##### Peripheral Control functions ##### |
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|
751 ============================================================================== |
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752 [..] This section provides functions allowing to: |
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753 (+) Configure channels. |
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754 (+) Set the specified data holding register value for DAC channel. |
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755 |
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756 @endverbatim |
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757 * @{ |
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758 */ |
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759 |
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760 /** |
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761 * @brief Configures the selected DAC channel. |
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762 * @param hdac pointer to a DAC_HandleTypeDef structure that contains |
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763 * the configuration information for the specified DAC. |
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764 * @param sConfig DAC configuration structure. |
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765 * @param Channel The selected DAC channel. |
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766 * This parameter can be one of the following values: |
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767 * @arg DAC_CHANNEL_1: DAC Channel1 selected |
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768 * @arg DAC_CHANNEL_2: DAC Channel2 selected |
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769 * @retval HAL status |
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770 */ |
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771 HAL_StatusTypeDef HAL_DAC_ConfigChannel(DAC_HandleTypeDef* hdac, DAC_ChannelConfTypeDef* sConfig, uint32_t Channel) |
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772 { |
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773 uint32_t tmpreg1 = 0U, tmpreg2 = 0U; |
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774 |
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775 /* Check the DAC parameters */ |
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776 assert_param(IS_DAC_TRIGGER(sConfig->DAC_Trigger)); |
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777 assert_param(IS_DAC_OUTPUT_BUFFER_STATE(sConfig->DAC_OutputBuffer)); |
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778 assert_param(IS_DAC_CHANNEL(Channel)); |
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779 |
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780 /* Process locked */ |
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781 __HAL_LOCK(hdac); |
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782 |
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783 /* Change DAC state */ |
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784 hdac->State = HAL_DAC_STATE_BUSY; |
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785 |
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786 /* Get the DAC CR value */ |
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787 tmpreg1 = hdac->Instance->CR; |
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788 /* Clear BOFFx, TENx, TSELx, WAVEx and MAMPx bits */ |
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789 tmpreg1 &= ~(((uint32_t)(DAC_CR_MAMP1 | DAC_CR_WAVE1 | DAC_CR_TSEL1 | DAC_CR_TEN1 | DAC_CR_BOFF1)) << Channel); |
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790 /* Configure for the selected DAC channel: buffer output, trigger */ |
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791 /* Set TSELx and TENx bits according to DAC_Trigger value */ |
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792 /* Set BOFFx bit according to DAC_OutputBuffer value */ |
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793 tmpreg2 = (sConfig->DAC_Trigger | sConfig->DAC_OutputBuffer); |
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794 /* Calculate CR register value depending on DAC_Channel */ |
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795 tmpreg1 |= tmpreg2 << Channel; |
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796 /* Write to DAC CR */ |
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797 hdac->Instance->CR = tmpreg1; |
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798 /* Disable wave generation */ |
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799 hdac->Instance->CR &= ~(DAC_CR_WAVE1 << Channel); |
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800 |
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801 /* Change DAC state */ |
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802 hdac->State = HAL_DAC_STATE_READY; |
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803 |
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804 /* Process unlocked */ |
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805 __HAL_UNLOCK(hdac); |
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|
806 |
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807 /* Return function status */ |
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808 return HAL_OK; |
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809 } |
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810 |
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811 /** |
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812 * @brief Set the specified data holding register value for DAC channel. |
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813 * @param hdac pointer to a DAC_HandleTypeDef structure that contains |
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814 * the configuration information for the specified DAC. |
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815 * @param Channel The selected DAC channel. |
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816 * This parameter can be one of the following values: |
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817 * @arg DAC_CHANNEL_1: DAC Channel1 selected |
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818 * @arg DAC_CHANNEL_2: DAC Channel2 selected |
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819 * @param Alignment Specifies the data alignment. |
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820 * This parameter can be one of the following values: |
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821 * @arg DAC_ALIGN_8B_R: 8bit right data alignment selected |
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822 * @arg DAC_ALIGN_12B_L: 12bit left data alignment selected |
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823 * @arg DAC_ALIGN_12B_R: 12bit right data alignment selected |
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824 * @param Data Data to be loaded in the selected data holding register. |
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825 * @retval HAL status |
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826 */ |
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827 HAL_StatusTypeDef HAL_DAC_SetValue(DAC_HandleTypeDef* hdac, uint32_t Channel, uint32_t Alignment, uint32_t Data) |
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828 { |
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829 __IO uint32_t tmp = 0U; |
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|
830 |
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831 /* Check the parameters */ |
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832 assert_param(IS_DAC_CHANNEL(Channel)); |
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833 assert_param(IS_DAC_ALIGN(Alignment)); |
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834 assert_param(IS_DAC_DATA(Data)); |
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835 |
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836 tmp = (uint32_t)hdac->Instance; |
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837 if(Channel == DAC_CHANNEL_1) |
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838 { |
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839 tmp += DAC_DHR12R1_ALIGNMENT(Alignment); |
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840 } |
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841 else |
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842 { |
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843 tmp += DAC_DHR12R2_ALIGNMENT(Alignment); |
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844 } |
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845 |
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846 /* Set the DAC channel1 selected data holding register */ |
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847 *(__IO uint32_t *) tmp = Data; |
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848 |
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849 /* Return function status */ |
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850 return HAL_OK; |
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851 } |
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852 |
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853 /** |
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854 * @} |
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855 */ |
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856 |
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857 /** @defgroup DAC_Exported_Functions_Group4 Peripheral State and Errors functions |
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858 * @brief Peripheral State and Errors functions |
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859 * |
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860 @verbatim |
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861 ============================================================================== |
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862 ##### Peripheral State and Errors functions ##### |
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863 ============================================================================== |
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864 [..] |
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865 This subsection provides functions allowing to |
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866 (+) Check the DAC state. |
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867 (+) Check the DAC Errors. |
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868 |
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869 @endverbatim |
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870 * @{ |
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871 */ |
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872 |
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873 /** |
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874 * @brief return the DAC state |
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875 * @param hdac pointer to a DAC_HandleTypeDef structure that contains |
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876 * the configuration information for the specified DAC. |
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877 * @retval HAL state |
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878 */ |
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879 HAL_DAC_StateTypeDef HAL_DAC_GetState(DAC_HandleTypeDef* hdac) |
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880 { |
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881 /* Return DAC state */ |
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882 return hdac->State; |
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883 } |
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884 |
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885 |
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886 /** |
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887 * @brief Return the DAC error code |
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888 * @param hdac pointer to a DAC_HandleTypeDef structure that contains |
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889 * the configuration information for the specified DAC. |
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890 * @retval DAC Error Code |
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891 */ |
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892 uint32_t HAL_DAC_GetError(DAC_HandleTypeDef *hdac) |
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893 { |
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894 return hdac->ErrorCode; |
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895 } |
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896 |
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897 /** |
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898 * @} |
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899 */ |
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900 |
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901 /** |
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902 * @brief DMA conversion complete callback. |
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903 * @param hdma pointer to a DMA_HandleTypeDef structure that contains |
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904 * the configuration information for the specified DMA module. |
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905 * @retval None |
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906 */ |
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907 static void DAC_DMAConvCpltCh1(DMA_HandleTypeDef *hdma) |
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908 { |
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909 DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
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910 |
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911 HAL_DAC_ConvCpltCallbackCh1(hdac); |
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912 |
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913 hdac->State= HAL_DAC_STATE_READY; |
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914 } |
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915 |
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916 /** |
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917 * @brief DMA half transfer complete callback. |
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918 * @param hdma pointer to a DMA_HandleTypeDef structure that contains |
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919 * the configuration information for the specified DMA module. |
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920 * @retval None |
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921 */ |
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922 static void DAC_DMAHalfConvCpltCh1(DMA_HandleTypeDef *hdma) |
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923 { |
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924 DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
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925 /* Conversion complete callback */ |
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926 HAL_DAC_ConvHalfCpltCallbackCh1(hdac); |
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927 } |
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928 |
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929 /** |
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930 * @brief DMA error callback |
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931 * @param hdma pointer to a DMA_HandleTypeDef structure that contains |
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932 * the configuration information for the specified DMA module. |
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933 * @retval None |
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934 */ |
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935 static void DAC_DMAErrorCh1(DMA_HandleTypeDef *hdma) |
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936 { |
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937 DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
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938 |
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939 /* Set DAC error code to DMA error */ |
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940 hdac->ErrorCode |= HAL_DAC_ERROR_DMA; |
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941 |
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942 HAL_DAC_ErrorCallbackCh1(hdac); |
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943 |
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944 hdac->State= HAL_DAC_STATE_READY; |
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945 } |
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946 |
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947 /** |
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948 * @} |
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949 */ |
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950 #endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx ||\ |
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951 STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx ||\ |
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952 STM32F410xx || STM32F446xx || STM32F469xx || STM32F479xx ||\ |
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953 STM32F413xx || STM32F423xx */ |
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954 #endif /* HAL_DAC_MODULE_ENABLED */ |
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955 |
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956 /** |
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957 * @} |
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958 */ |
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959 |
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960 /** |
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961 * @} |
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962 */ |
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963 |
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964 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |