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HAL_L476/stm32l4xx_ll_dac.c@1:d0dfbce63a89, 2017-02-24 (annotated)

Committer:
elmot
Date:
Fri Feb 24 21:13:56 2017 +0000
Revision:
1:d0dfbce63a89
Ready-to-copy

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elmot 1:d0dfbce63a89 1 /**
elmot 1:d0dfbce63a89 2 ******************************************************************************
elmot 1:d0dfbce63a89 3 * @file stm32l4xx_ll_dac.c
elmot 1:d0dfbce63a89 4 * @author MCD Application Team
elmot 1:d0dfbce63a89 5 * @version V1.5.1
elmot 1:d0dfbce63a89 6 * @date 31-May-2016
elmot 1:d0dfbce63a89 7 * @brief DAC LL module driver
elmot 1:d0dfbce63a89 8 ******************************************************************************
elmot 1:d0dfbce63a89 9 * @attention
elmot 1:d0dfbce63a89 10 *
elmot 1:d0dfbce63a89 11 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
elmot 1:d0dfbce63a89 12 *
elmot 1:d0dfbce63a89 13 * Redistribution and use in source and binary forms, with or without modification,
elmot 1:d0dfbce63a89 14 * are permitted provided that the following conditions are met:
elmot 1:d0dfbce63a89 15 * 1. Redistributions of source code must retain the above copyright notice,
elmot 1:d0dfbce63a89 16 * this list of conditions and the following disclaimer.
elmot 1:d0dfbce63a89 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
elmot 1:d0dfbce63a89 18 * this list of conditions and the following disclaimer in the documentation
elmot 1:d0dfbce63a89 19 * and/or other materials provided with the distribution.
elmot 1:d0dfbce63a89 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
elmot 1:d0dfbce63a89 21 * may be used to endorse or promote products derived from this software
elmot 1:d0dfbce63a89 22 * without specific prior written permission.
elmot 1:d0dfbce63a89 23 *
elmot 1:d0dfbce63a89 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
elmot 1:d0dfbce63a89 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
elmot 1:d0dfbce63a89 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
elmot 1:d0dfbce63a89 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
elmot 1:d0dfbce63a89 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
elmot 1:d0dfbce63a89 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
elmot 1:d0dfbce63a89 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
elmot 1:d0dfbce63a89 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
elmot 1:d0dfbce63a89 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
elmot 1:d0dfbce63a89 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
elmot 1:d0dfbce63a89 34 *
elmot 1:d0dfbce63a89 35 ******************************************************************************
elmot 1:d0dfbce63a89 36 */
elmot 1:d0dfbce63a89 37 #if defined(USE_FULL_LL_DRIVER)
elmot 1:d0dfbce63a89 38
elmot 1:d0dfbce63a89 39 /* Includes ------------------------------------------------------------------*/
elmot 1:d0dfbce63a89 40 #include "stm32l4xx_ll_dac.h"
elmot 1:d0dfbce63a89 41 #include "stm32l4xx_ll_bus.h"
elmot 1:d0dfbce63a89 42
elmot 1:d0dfbce63a89 43 #ifdef USE_FULL_ASSERT
elmot 1:d0dfbce63a89 44 #include "stm32_assert.h"
elmot 1:d0dfbce63a89 45 #else
elmot 1:d0dfbce63a89 46 #define assert_param(expr) ((void)0U)
elmot 1:d0dfbce63a89 47 #endif
elmot 1:d0dfbce63a89 48
elmot 1:d0dfbce63a89 49 /** @addtogroup STM32L4xx_LL_Driver
elmot 1:d0dfbce63a89 50 * @{
elmot 1:d0dfbce63a89 51 */
elmot 1:d0dfbce63a89 52
elmot 1:d0dfbce63a89 53 #if defined (DAC1)
elmot 1:d0dfbce63a89 54
elmot 1:d0dfbce63a89 55 /** @addtogroup DAC_LL DAC
elmot 1:d0dfbce63a89 56 * @{
elmot 1:d0dfbce63a89 57 */
elmot 1:d0dfbce63a89 58
elmot 1:d0dfbce63a89 59 /* Private types -------------------------------------------------------------*/
elmot 1:d0dfbce63a89 60 /* Private variables ---------------------------------------------------------*/
elmot 1:d0dfbce63a89 61 /* Private constants ---------------------------------------------------------*/
elmot 1:d0dfbce63a89 62 /* Private macros ------------------------------------------------------------*/
elmot 1:d0dfbce63a89 63
elmot 1:d0dfbce63a89 64 /** @addtogroup DAC_LL_Private_Macros
elmot 1:d0dfbce63a89 65 * @{
elmot 1:d0dfbce63a89 66 */
elmot 1:d0dfbce63a89 67
elmot 1:d0dfbce63a89 68 #define IS_LL_DAC_CHANNEL(__DACX__, __DAC_CHANNEL__) \
elmot 1:d0dfbce63a89 69 ( \
elmot 1:d0dfbce63a89 70 ((__DAC_CHANNEL__) == LL_DAC_CHANNEL_1) \
elmot 1:d0dfbce63a89 71 || ((__DAC_CHANNEL__) == LL_DAC_CHANNEL_2) \
elmot 1:d0dfbce63a89 72 )
elmot 1:d0dfbce63a89 73
elmot 1:d0dfbce63a89 74 #define IS_LL_DAC_TRIGGER_SOURCE(__TRIGGER_SOURCE__) \
elmot 1:d0dfbce63a89 75 ( ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_SOFTWARE) \
elmot 1:d0dfbce63a89 76 || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM2_TRGO) \
elmot 1:d0dfbce63a89 77 || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM4_TRGO) \
elmot 1:d0dfbce63a89 78 || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM5_TRGO) \
elmot 1:d0dfbce63a89 79 || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM6_TRGO) \
elmot 1:d0dfbce63a89 80 || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM7_TRGO) \
elmot 1:d0dfbce63a89 81 || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM8_TRGO) \
elmot 1:d0dfbce63a89 82 || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_EXTI_LINE9) \
elmot 1:d0dfbce63a89 83 )
elmot 1:d0dfbce63a89 84
elmot 1:d0dfbce63a89 85 #define IS_LL_DAC_WAVE_AUTO_GENER_MODE(__WAVE_AUTO_GENERATION_MODE__) \
elmot 1:d0dfbce63a89 86 ( ((__WAVE_AUTO_GENERATION_MODE__) == LL_DAC_WAVE_AUTO_GENERATION_NONE) \
elmot 1:d0dfbce63a89 87 || ((__WAVE_AUTO_GENERATION_MODE__) == LL_DAC_WAVE_AUTO_GENERATION_NOISE) \
elmot 1:d0dfbce63a89 88 || ((__WAVE_AUTO_GENERATION_MODE__) == LL_DAC_WAVE_AUTO_GENERATION_TRIANGLE) \
elmot 1:d0dfbce63a89 89 )
elmot 1:d0dfbce63a89 90
elmot 1:d0dfbce63a89 91 #define IS_LL_DAC_WAVE_AUTO_GENER_CONFIG(__WAVE_AUTO_GENERATION_CONFIG__) \
elmot 1:d0dfbce63a89 92 ( ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BIT0) \
elmot 1:d0dfbce63a89 93 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS1_0) \
elmot 1:d0dfbce63a89 94 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS2_0) \
elmot 1:d0dfbce63a89 95 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS3_0) \
elmot 1:d0dfbce63a89 96 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS4_0) \
elmot 1:d0dfbce63a89 97 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS5_0) \
elmot 1:d0dfbce63a89 98 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS6_0) \
elmot 1:d0dfbce63a89 99 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS7_0) \
elmot 1:d0dfbce63a89 100 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS8_0) \
elmot 1:d0dfbce63a89 101 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS9_0) \
elmot 1:d0dfbce63a89 102 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS10_0) \
elmot 1:d0dfbce63a89 103 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS11_0) \
elmot 1:d0dfbce63a89 104 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_1) \
elmot 1:d0dfbce63a89 105 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_3) \
elmot 1:d0dfbce63a89 106 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_7) \
elmot 1:d0dfbce63a89 107 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_15) \
elmot 1:d0dfbce63a89 108 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_31) \
elmot 1:d0dfbce63a89 109 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_63) \
elmot 1:d0dfbce63a89 110 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_127) \
elmot 1:d0dfbce63a89 111 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_255) \
elmot 1:d0dfbce63a89 112 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_511) \
elmot 1:d0dfbce63a89 113 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_1023) \
elmot 1:d0dfbce63a89 114 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_2047) \
elmot 1:d0dfbce63a89 115 || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_4095) \
elmot 1:d0dfbce63a89 116 )
elmot 1:d0dfbce63a89 117
elmot 1:d0dfbce63a89 118 #define IS_LL_DAC_OUTPUT_BUFFER(__OUTPUT_BUFFER__) \
elmot 1:d0dfbce63a89 119 ( ((__OUTPUT_BUFFER__) == LL_DAC_OUTPUT_BUFFER_ENABLE) \
elmot 1:d0dfbce63a89 120 || ((__OUTPUT_BUFFER__) == LL_DAC_OUTPUT_BUFFER_DISABLE) \
elmot 1:d0dfbce63a89 121 )
elmot 1:d0dfbce63a89 122
elmot 1:d0dfbce63a89 123 #define IS_LL_DAC_OUTPUT_CONNECTION(__OUTPUT_CONNECTION__) \
elmot 1:d0dfbce63a89 124 ( ((__OUTPUT_CONNECTION__) == LL_DAC_OUTPUT_CONNECT_GPIO) \
elmot 1:d0dfbce63a89 125 || ((__OUTPUT_CONNECTION__) == LL_DAC_OUTPUT_CONNECT_INTERNAL) \
elmot 1:d0dfbce63a89 126 )
elmot 1:d0dfbce63a89 127
elmot 1:d0dfbce63a89 128 #define IS_LL_DAC_OUTPUT_MODE(__OUTPUT_MODE__) \
elmot 1:d0dfbce63a89 129 ( ((__OUTPUT_MODE__) == LL_DAC_OUTPUT_MODE_NORMAL) \
elmot 1:d0dfbce63a89 130 || ((__OUTPUT_MODE__) == LL_DAC_OUTPUT_MODE_SAMPLE_AND_HOLD) \
elmot 1:d0dfbce63a89 131 )
elmot 1:d0dfbce63a89 132
elmot 1:d0dfbce63a89 133 /**
elmot 1:d0dfbce63a89 134 * @}
elmot 1:d0dfbce63a89 135 */
elmot 1:d0dfbce63a89 136
elmot 1:d0dfbce63a89 137
elmot 1:d0dfbce63a89 138 /* Private function prototypes -----------------------------------------------*/
elmot 1:d0dfbce63a89 139
elmot 1:d0dfbce63a89 140 /* Exported functions --------------------------------------------------------*/
elmot 1:d0dfbce63a89 141 /** @addtogroup DAC_LL_Exported_Functions
elmot 1:d0dfbce63a89 142 * @{
elmot 1:d0dfbce63a89 143 */
elmot 1:d0dfbce63a89 144
elmot 1:d0dfbce63a89 145 /** @addtogroup DAC_LL_EF_Init
elmot 1:d0dfbce63a89 146 * @{
elmot 1:d0dfbce63a89 147 */
elmot 1:d0dfbce63a89 148
elmot 1:d0dfbce63a89 149 /**
elmot 1:d0dfbce63a89 150 * @brief De-initialize registers of the selected DAC instance
elmot 1:d0dfbce63a89 151 * to their default reset values.
elmot 1:d0dfbce63a89 152 * @param DACx DAC instance
elmot 1:d0dfbce63a89 153 * @retval An ErrorStatus enumeration value:
elmot 1:d0dfbce63a89 154 * - SUCCESS: DAC registers are de-initialized
elmot 1:d0dfbce63a89 155 * - ERROR: not applicable
elmot 1:d0dfbce63a89 156 */
elmot 1:d0dfbce63a89 157 ErrorStatus LL_DAC_DeInit(DAC_TypeDef *DACx)
elmot 1:d0dfbce63a89 158 {
elmot 1:d0dfbce63a89 159 /* Check the parameters */
elmot 1:d0dfbce63a89 160 assert_param(IS_DAC_ALL_INSTANCE(DACx));
elmot 1:d0dfbce63a89 161
elmot 1:d0dfbce63a89 162 /* Force reset of DAC clock */
elmot 1:d0dfbce63a89 163 LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_DAC1);
elmot 1:d0dfbce63a89 164
elmot 1:d0dfbce63a89 165 /* Release reset of DAC clock */
elmot 1:d0dfbce63a89 166 LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_DAC1);
elmot 1:d0dfbce63a89 167
elmot 1:d0dfbce63a89 168 return SUCCESS;
elmot 1:d0dfbce63a89 169 }
elmot 1:d0dfbce63a89 170
elmot 1:d0dfbce63a89 171 /**
elmot 1:d0dfbce63a89 172 * @brief Initialize some features of DAC instance.
elmot 1:d0dfbce63a89 173 * @note The setting of these parameters by function @ref LL_DAC_Init()
elmot 1:d0dfbce63a89 174 * is conditioned to DAC state:
elmot 1:d0dfbce63a89 175 * DAC instance must be disabled.
elmot 1:d0dfbce63a89 176 * @param DACx DAC instance
elmot 1:d0dfbce63a89 177 * @param DAC_Channel This parameter can be one of the following values:
elmot 1:d0dfbce63a89 178 * @arg @ref LL_DAC_CHANNEL_1
elmot 1:d0dfbce63a89 179 * @arg @ref LL_DAC_CHANNEL_2
elmot 1:d0dfbce63a89 180 * @param DAC_InitStruct Pointer to a @ref LL_DAC_InitTypeDef structure
elmot 1:d0dfbce63a89 181 * @retval An ErrorStatus enumeration value:
elmot 1:d0dfbce63a89 182 * - SUCCESS: DAC registers are initialized
elmot 1:d0dfbce63a89 183 * - ERROR: DAC registers are not initialized
elmot 1:d0dfbce63a89 184 */
elmot 1:d0dfbce63a89 185 ErrorStatus LL_DAC_Init(DAC_TypeDef *DACx, uint32_t DAC_Channel, LL_DAC_InitTypeDef *DAC_InitStruct)
elmot 1:d0dfbce63a89 186 {
elmot 1:d0dfbce63a89 187 ErrorStatus status = SUCCESS;
elmot 1:d0dfbce63a89 188
elmot 1:d0dfbce63a89 189 /* Check the parameters */
elmot 1:d0dfbce63a89 190 assert_param(IS_DAC_ALL_INSTANCE(DACx));
elmot 1:d0dfbce63a89 191 assert_param(IS_LL_DAC_CHANNEL(DACx, DAC_Channel));
elmot 1:d0dfbce63a89 192 assert_param(IS_LL_DAC_TRIGGER_SOURCE(DAC_InitStruct->TriggerSource));
elmot 1:d0dfbce63a89 193 assert_param(IS_LL_DAC_OUTPUT_BUFFER(DAC_InitStruct->OutputBuffer));
elmot 1:d0dfbce63a89 194 assert_param(IS_LL_DAC_OUTPUT_CONNECTION(DAC_InitStruct->OutputConnection));
elmot 1:d0dfbce63a89 195 assert_param(IS_LL_DAC_OUTPUT_MODE(DAC_InitStruct->OutputMode));
elmot 1:d0dfbce63a89 196 assert_param(IS_LL_DAC_WAVE_AUTO_GENER_MODE(DAC_InitStruct->WaveAutoGeneration));
elmot 1:d0dfbce63a89 197 if (DAC_InitStruct->WaveAutoGeneration != LL_DAC_WAVE_AUTO_GENERATION_NONE)
elmot 1:d0dfbce63a89 198 {
elmot 1:d0dfbce63a89 199 assert_param(IS_LL_DAC_WAVE_AUTO_GENER_CONFIG(DAC_InitStruct->WaveAutoGenerationConfig));
elmot 1:d0dfbce63a89 200 }
elmot 1:d0dfbce63a89 201
elmot 1:d0dfbce63a89 202 /* Note: Hardware constraint (refer to description of this function) */
elmot 1:d0dfbce63a89 203 /* DAC instance must be disabled. */
elmot 1:d0dfbce63a89 204 if(LL_DAC_IsEnabled(DACx, DAC_Channel) == 0U)
elmot 1:d0dfbce63a89 205 {
elmot 1:d0dfbce63a89 206 /* Configuration of DAC channel: */
elmot 1:d0dfbce63a89 207 /* - TriggerSource */
elmot 1:d0dfbce63a89 208 /* - WaveAutoGeneration */
elmot 1:d0dfbce63a89 209 /* - OutputBuffer */
elmot 1:d0dfbce63a89 210 /* - OutputConnection */
elmot 1:d0dfbce63a89 211 /* - OutputMode */
elmot 1:d0dfbce63a89 212 if (DAC_InitStruct->WaveAutoGeneration != LL_DAC_WAVE_AUTO_GENERATION_NONE)
elmot 1:d0dfbce63a89 213 {
elmot 1:d0dfbce63a89 214 MODIFY_REG(DACx->CR,
elmot 1:d0dfbce63a89 215 ( DAC_CR_TSEL1
elmot 1:d0dfbce63a89 216 | DAC_CR_WAVE1
elmot 1:d0dfbce63a89 217 | DAC_CR_MAMP1
elmot 1:d0dfbce63a89 218 ) << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
elmot 1:d0dfbce63a89 219 ,
elmot 1:d0dfbce63a89 220 ( DAC_InitStruct->TriggerSource
elmot 1:d0dfbce63a89 221 | DAC_InitStruct->WaveAutoGeneration
elmot 1:d0dfbce63a89 222 | DAC_InitStruct->WaveAutoGenerationConfig
elmot 1:d0dfbce63a89 223 ) << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
elmot 1:d0dfbce63a89 224 );
elmot 1:d0dfbce63a89 225 }
elmot 1:d0dfbce63a89 226 else
elmot 1:d0dfbce63a89 227 {
elmot 1:d0dfbce63a89 228 MODIFY_REG(DACx->CR,
elmot 1:d0dfbce63a89 229 ( DAC_CR_TSEL1
elmot 1:d0dfbce63a89 230 | DAC_CR_WAVE1
elmot 1:d0dfbce63a89 231 ) << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
elmot 1:d0dfbce63a89 232 ,
elmot 1:d0dfbce63a89 233 ( DAC_InitStruct->TriggerSource
elmot 1:d0dfbce63a89 234 | LL_DAC_WAVE_AUTO_GENERATION_NONE
elmot 1:d0dfbce63a89 235 ) << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
elmot 1:d0dfbce63a89 236 );
elmot 1:d0dfbce63a89 237 }
elmot 1:d0dfbce63a89 238
elmot 1:d0dfbce63a89 239 MODIFY_REG(DACx->MCR,
elmot 1:d0dfbce63a89 240 ( DAC_MCR_MODE1_1
elmot 1:d0dfbce63a89 241 | DAC_MCR_MODE1_0
elmot 1:d0dfbce63a89 242 | DAC_MCR_MODE1_2
elmot 1:d0dfbce63a89 243 ) << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
elmot 1:d0dfbce63a89 244 ,
elmot 1:d0dfbce63a89 245 ( DAC_InitStruct->OutputBuffer
elmot 1:d0dfbce63a89 246 | DAC_InitStruct->OutputConnection
elmot 1:d0dfbce63a89 247 | DAC_InitStruct->OutputMode
elmot 1:d0dfbce63a89 248 ) << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
elmot 1:d0dfbce63a89 249 );
elmot 1:d0dfbce63a89 250 }
elmot 1:d0dfbce63a89 251 else
elmot 1:d0dfbce63a89 252 {
elmot 1:d0dfbce63a89 253 /* Initialization error: DAC instance is not disabled. */
elmot 1:d0dfbce63a89 254 status = ERROR;
elmot 1:d0dfbce63a89 255 }
elmot 1:d0dfbce63a89 256 return status;
elmot 1:d0dfbce63a89 257 }
elmot 1:d0dfbce63a89 258
elmot 1:d0dfbce63a89 259 /**
elmot 1:d0dfbce63a89 260 * @brief Set each @ref LL_DAC_InitTypeDef field to default value.
elmot 1:d0dfbce63a89 261 * @param DAC_InitStruct pointer to a @ref LL_DAC_InitTypeDef structure
elmot 1:d0dfbce63a89 262 * whose fields will be set to default values.
elmot 1:d0dfbce63a89 263 * @retval None
elmot 1:d0dfbce63a89 264 */
elmot 1:d0dfbce63a89 265 void LL_DAC_StructInit(LL_DAC_InitTypeDef *DAC_InitStruct)
elmot 1:d0dfbce63a89 266 {
elmot 1:d0dfbce63a89 267 /* Set DAC_InitStruct fields to default values */
elmot 1:d0dfbce63a89 268 DAC_InitStruct->TriggerSource = LL_DAC_TRIG_SOFTWARE;
elmot 1:d0dfbce63a89 269 DAC_InitStruct->WaveAutoGeneration = LL_DAC_WAVE_AUTO_GENERATION_NONE;
elmot 1:d0dfbce63a89 270 /* Note: Parameter discarded if wave auto generation is disabled, */
elmot 1:d0dfbce63a89 271 /* set anyway to its default value. */
elmot 1:d0dfbce63a89 272 DAC_InitStruct->WaveAutoGenerationConfig = LL_DAC_NOISE_LFSR_UNMASK_BIT0;
elmot 1:d0dfbce63a89 273 DAC_InitStruct->OutputBuffer = LL_DAC_OUTPUT_BUFFER_ENABLE;
elmot 1:d0dfbce63a89 274 DAC_InitStruct->OutputConnection = LL_DAC_OUTPUT_CONNECT_GPIO;
elmot 1:d0dfbce63a89 275 DAC_InitStruct->OutputMode = LL_DAC_OUTPUT_MODE_NORMAL;
elmot 1:d0dfbce63a89 276 }
elmot 1:d0dfbce63a89 277
elmot 1:d0dfbce63a89 278 /**
elmot 1:d0dfbce63a89 279 * @}
elmot 1:d0dfbce63a89 280 */
elmot 1:d0dfbce63a89 281
elmot 1:d0dfbce63a89 282 /**
elmot 1:d0dfbce63a89 283 * @}
elmot 1:d0dfbce63a89 284 */
elmot 1:d0dfbce63a89 285
elmot 1:d0dfbce63a89 286 /**
elmot 1:d0dfbce63a89 287 * @}
elmot 1:d0dfbce63a89 288 */
elmot 1:d0dfbce63a89 289
elmot 1:d0dfbce63a89 290 #endif /* DAC1 */
elmot 1:d0dfbce63a89 291
elmot 1:d0dfbce63a89 292 /**
elmot 1:d0dfbce63a89 293 * @}
elmot 1:d0dfbce63a89 294 */
elmot 1:d0dfbce63a89 295
elmot 1:d0dfbce63a89 296 #endif /* USE_FULL_LL_DRIVER */
elmot 1:d0dfbce63a89 297
elmot 1:d0dfbce63a89 298 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/