Mercurial > public > ostc4
annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_dac.c @ 513:0680975c39b8
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author | heinrichsweikamp |
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date | Mon, 31 Aug 2020 20:06:59 +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_ll_dac.c |
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4 * @author MCD Application Team |
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5 * @brief DAC LL module driver |
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6 ****************************************************************************** |
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7 * @attention |
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8 * |
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9 * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2> |
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10 * |
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11 * Redistribution and use in source and binary forms, with or without modification, |
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12 * are permitted provided that the following conditions are met: |
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13 * 1. Redistributions of source code must retain the above copyright notice, |
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14 * this list of conditions and the following disclaimer. |
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15 * 2. Redistributions in binary form must reproduce the above copyright notice, |
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16 * this list of conditions and the following disclaimer in the documentation |
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17 * and/or other materials provided with the distribution. |
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18 * 3. Neither the name of STMicroelectronics nor the names of its contributors |
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19 * may be used to endorse or promote products derived from this software |
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20 * without specific prior written permission. |
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21 * |
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22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
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26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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32 * |
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33 ****************************************************************************** |
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34 */ |
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35 #if defined(USE_FULL_LL_DRIVER) |
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36 |
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37 /* Includes ------------------------------------------------------------------*/ |
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38 #include "stm32f4xx_ll_dac.h" |
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39 #include "stm32f4xx_ll_bus.h" |
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40 |
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41 #ifdef USE_FULL_ASSERT |
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42 #include "stm32_assert.h" |
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43 #else |
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44 #define assert_param(expr) ((void)0U) |
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45 #endif |
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46 |
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47 /** @addtogroup STM32F4xx_LL_Driver |
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48 * @{ |
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49 */ |
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50 |
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51 #if defined(DAC) |
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52 |
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53 /** @addtogroup DAC_LL DAC |
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54 * @{ |
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55 */ |
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56 |
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57 /* Private types -------------------------------------------------------------*/ |
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58 /* Private variables ---------------------------------------------------------*/ |
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59 /* Private constants ---------------------------------------------------------*/ |
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60 /* Private macros ------------------------------------------------------------*/ |
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61 |
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62 /** @addtogroup DAC_LL_Private_Macros |
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63 * @{ |
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64 */ |
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65 |
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66 #if defined(DAC_CHANNEL2_SUPPORT) |
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67 #define IS_LL_DAC_CHANNEL(__DACX__, __DAC_CHANNEL__) \ |
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68 ( \ |
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69 ((__DAC_CHANNEL__) == LL_DAC_CHANNEL_1) \ |
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70 || ((__DAC_CHANNEL__) == LL_DAC_CHANNEL_2) \ |
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71 ) |
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72 #else |
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73 #define IS_LL_DAC_CHANNEL(__DACX__, __DAC_CHANNEL__) \ |
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74 ( \ |
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75 ((__DAC_CHANNEL__) == LL_DAC_CHANNEL_1) \ |
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76 ) |
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77 #endif /* DAC_CHANNEL2_SUPPORT */ |
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78 |
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79 #define IS_LL_DAC_TRIGGER_SOURCE(__TRIGGER_SOURCE__) \ |
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80 ( ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_SOFTWARE) \ |
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81 || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM2_TRGO) \ |
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82 || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM4_TRGO) \ |
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83 || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM5_TRGO) \ |
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84 || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM6_TRGO) \ |
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85 || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM7_TRGO) \ |
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86 || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM8_TRGO) \ |
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87 || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_EXTI_LINE9) \ |
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88 ) |
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89 |
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90 #define IS_LL_DAC_WAVE_AUTO_GENER_MODE(__WAVE_AUTO_GENERATION_MODE__) \ |
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91 ( ((__WAVE_AUTO_GENERATION_MODE__) == LL_DAC_WAVE_AUTO_GENERATION_NONE) \ |
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92 || ((__WAVE_AUTO_GENERATION_MODE__) == LL_DAC_WAVE_AUTO_GENERATION_NOISE) \ |
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93 || ((__WAVE_AUTO_GENERATION_MODE__) == LL_DAC_WAVE_AUTO_GENERATION_TRIANGLE) \ |
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94 ) |
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95 |
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96 #define IS_LL_DAC_WAVE_AUTO_GENER_CONFIG(__WAVE_AUTO_GENERATION_CONFIG__) \ |
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97 ( ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BIT0) \ |
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98 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS1_0) \ |
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99 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS2_0) \ |
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100 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS3_0) \ |
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101 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS4_0) \ |
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102 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS5_0) \ |
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103 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS6_0) \ |
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104 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS7_0) \ |
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105 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS8_0) \ |
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106 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS9_0) \ |
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107 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS10_0) \ |
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108 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS11_0) \ |
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109 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_1) \ |
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110 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_3) \ |
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111 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_7) \ |
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112 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_15) \ |
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113 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_31) \ |
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114 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_63) \ |
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115 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_127) \ |
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116 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_255) \ |
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117 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_511) \ |
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118 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_1023) \ |
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119 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_2047) \ |
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120 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_4095) \ |
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121 ) |
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122 |
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123 #define IS_LL_DAC_OUTPUT_BUFFER(__OUTPUT_BUFFER__) \ |
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124 ( ((__OUTPUT_BUFFER__) == LL_DAC_OUTPUT_BUFFER_ENABLE) \ |
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125 || ((__OUTPUT_BUFFER__) == LL_DAC_OUTPUT_BUFFER_DISABLE) \ |
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126 ) |
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127 |
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128 /** |
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129 * @} |
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130 */ |
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131 |
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132 |
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133 /* Private function prototypes -----------------------------------------------*/ |
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134 |
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135 /* Exported functions --------------------------------------------------------*/ |
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136 /** @addtogroup DAC_LL_Exported_Functions |
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137 * @{ |
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138 */ |
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139 |
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140 /** @addtogroup DAC_LL_EF_Init |
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141 * @{ |
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142 */ |
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143 |
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144 /** |
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145 * @brief De-initialize registers of the selected DAC instance |
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146 * to their default reset values. |
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147 * @param DACx DAC instance |
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148 * @retval An ErrorStatus enumeration value: |
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149 * - SUCCESS: DAC registers are de-initialized |
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150 * - ERROR: not applicable |
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151 */ |
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152 ErrorStatus LL_DAC_DeInit(DAC_TypeDef *DACx) |
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153 { |
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154 /* Check the parameters */ |
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155 assert_param(IS_DAC_ALL_INSTANCE(DACx)); |
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156 |
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157 /* Force reset of DAC1 clock */ |
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158 LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_DAC1); |
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159 |
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160 /* Release reset of DAC1 clock */ |
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161 LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_DAC1); |
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162 return SUCCESS; |
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163 } |
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164 |
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165 /** |
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166 * @brief Initialize some features of DAC instance. |
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167 * @note The setting of these parameters by function @ref LL_DAC_Init() |
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168 * is conditioned to DAC state: |
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169 * DAC instance must be disabled. |
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170 * @param DACx DAC instance |
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171 * @param DAC_Channel This parameter can be one of the following values: |
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172 * @arg @ref LL_DAC_CHANNEL_1 |
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173 * @arg @ref LL_DAC_CHANNEL_2 (1) |
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174 * |
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175 * (1) On this STM32 serie, parameter not available on all devices. |
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176 * Refer to device datasheet for channels availability. |
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177 * @param DAC_InitStruct Pointer to a @ref LL_DAC_InitTypeDef structure |
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178 * @retval An ErrorStatus enumeration value: |
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179 * - SUCCESS: DAC registers are initialized |
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180 * - ERROR: DAC registers are not initialized |
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181 */ |
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182 ErrorStatus LL_DAC_Init(DAC_TypeDef *DACx, uint32_t DAC_Channel, LL_DAC_InitTypeDef *DAC_InitStruct) |
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183 { |
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184 ErrorStatus status = SUCCESS; |
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185 |
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186 /* Check the parameters */ |
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187 assert_param(IS_DAC_ALL_INSTANCE(DACx)); |
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188 assert_param(IS_LL_DAC_CHANNEL(DACx, DAC_Channel)); |
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189 assert_param(IS_LL_DAC_TRIGGER_SOURCE(DAC_InitStruct->TriggerSource)); |
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190 assert_param(IS_LL_DAC_OUTPUT_BUFFER(DAC_InitStruct->OutputBuffer)); |
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191 assert_param(IS_LL_DAC_WAVE_AUTO_GENER_MODE(DAC_InitStruct->WaveAutoGeneration)); |
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192 if (DAC_InitStruct->WaveAutoGeneration != LL_DAC_WAVE_AUTO_GENERATION_NONE) |
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193 { |
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194 assert_param(IS_LL_DAC_WAVE_AUTO_GENER_CONFIG(DAC_InitStruct->WaveAutoGenerationConfig)); |
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195 } |
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196 |
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197 /* Note: Hardware constraint (refer to description of this function) */ |
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198 /* DAC instance must be disabled. */ |
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199 if(LL_DAC_IsEnabled(DACx, DAC_Channel) == 0U) |
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200 { |
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201 /* Configuration of DAC channel: */ |
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202 /* - TriggerSource */ |
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203 /* - WaveAutoGeneration */ |
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204 /* - OutputBuffer */ |
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205 if (DAC_InitStruct->WaveAutoGeneration != LL_DAC_WAVE_AUTO_GENERATION_NONE) |
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206 { |
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207 MODIFY_REG(DACx->CR, |
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208 ( DAC_CR_TSEL1 |
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209 | DAC_CR_WAVE1 |
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210 | DAC_CR_MAMP1 |
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211 | DAC_CR_BOFF1 |
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212 ) << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK) |
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213 , |
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214 ( DAC_InitStruct->TriggerSource |
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215 | DAC_InitStruct->WaveAutoGeneration |
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216 | DAC_InitStruct->WaveAutoGenerationConfig |
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217 | DAC_InitStruct->OutputBuffer |
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218 ) << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK) |
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219 ); |
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220 } |
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221 else |
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222 { |
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223 MODIFY_REG(DACx->CR, |
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224 ( DAC_CR_TSEL1 |
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225 | DAC_CR_WAVE1 |
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226 | DAC_CR_BOFF1 |
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227 ) << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK) |
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228 , |
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229 ( DAC_InitStruct->TriggerSource |
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230 | LL_DAC_WAVE_AUTO_GENERATION_NONE |
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231 | DAC_InitStruct->OutputBuffer |
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232 ) << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK) |
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233 ); |
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234 } |
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235 } |
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236 else |
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237 { |
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238 /* Initialization error: DAC instance is not disabled. */ |
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239 status = ERROR; |
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240 } |
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241 return status; |
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242 } |
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243 |
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244 /** |
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245 * @brief Set each @ref LL_DAC_InitTypeDef field to default value. |
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246 * @param DAC_InitStruct pointer to a @ref LL_DAC_InitTypeDef structure |
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247 * whose fields will be set to default values. |
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248 * @retval None |
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249 */ |
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250 void LL_DAC_StructInit(LL_DAC_InitTypeDef *DAC_InitStruct) |
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251 { |
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252 /* Set DAC_InitStruct fields to default values */ |
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253 DAC_InitStruct->TriggerSource = LL_DAC_TRIG_SOFTWARE; |
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254 DAC_InitStruct->WaveAutoGeneration = LL_DAC_WAVE_AUTO_GENERATION_NONE; |
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255 /* Note: Parameter discarded if wave auto generation is disabled, */ |
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256 /* set anyway to its default value. */ |
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257 DAC_InitStruct->WaveAutoGenerationConfig = LL_DAC_NOISE_LFSR_UNMASK_BIT0; |
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258 DAC_InitStruct->OutputBuffer = LL_DAC_OUTPUT_BUFFER_ENABLE; |
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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 /** |
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266 * @} |
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267 */ |
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268 |
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269 /** |
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270 * @} |
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271 */ |
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272 |
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273 #endif /* DAC */ |
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274 |
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275 /** |
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276 * @} |
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277 */ |
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278 |
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279 #endif /* USE_FULL_LL_DRIVER */ |
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280 |
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281 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |