lib/main/STM32G4/Drivers/STM32G4xx_HAL_Driver/Src/stm32g4xx_ll_comp.c

   1 /**
   2   ******************************************************************************
   3   * @file    stm32g4xx_ll_comp.c
   4   * @author  MCD Application Team
   5   * @brief   COMP LL module driver
   6   ******************************************************************************
   7   * @attention
   8   *
   9   * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics.
  10   * All rights reserved.</center></h2>
  11   *
  12   * This software component is licensed by ST under BSD 3-Clause license,
  13   * the "License"; You may not use this file except in compliance with the
  14   * License. You may obtain a copy of the License at:
  15   *                        opensource.org/licenses/BSD-3-Clause
  16   *
  17   ******************************************************************************
  18   */
  19 #if defined(USE_FULL_LL_DRIVER)
  20
  21 /* Includes ------------------------------------------------------------------*/
  22 #include "stm32g4xx_ll_comp.h"
  23
  24 #ifdef  USE_FULL_ASSERT
  25 #include "stm32_assert.h"
  26 #else
  27 #define assert_param(expr) ((void)0U)
  28 #endif
  29
  30 /** @addtogroup STM32G4xx_LL_Driver
  31   * @{
  32   */
  33
  34
  35
  36 /** @addtogroup COMP_LL COMP
  37   * @{
  38   */
  39
  40 /* Private types -------------------------------------------------------------*/
  41 /* Private variables ---------------------------------------------------------*/
  42 /* Private constants ---------------------------------------------------------*/
  43 /* Private macros ------------------------------------------------------------*/
  44
  45 /** @addtogroup COMP_LL_Private_Macros
  46   * @{
  47   */
  48
  49 /* Check of parameters for configuration of COMP hierarchical scope:          */
  50 /* COMP instance.                                                             */
  51
  52 /* Note: On this STM32 serie, comparator input plus parameters are            */
  53 /*       the same on all COMP instances.                                      */
  54 /*       However, comparator instance kept as macro parameter for             */
  55 /*       compatibility with other STM32 families.                             */
  56 #define IS_LL_COMP_INPUT_PLUS(__COMP_INSTANCE__, __INPUT_PLUS__)               \
  57   (   ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO1)                             \
  58    || ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO2)                             \
  59   )
  60 #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx)
  61 #define IS_LL_COMP_INPUT_MINUS(__COMP_INSTANCE__, __INPUT_MINUS__)           \
  62                   (((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_1_4VREFINT)  || \
  63                    ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_1_2VREFINT)  || \
  64                    ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_3_4VREFINT)  || \
  65                    ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_VREFINT)     || \
  66                    ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO1)         || \
  67                    ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO2)         || \
  68                    (((__COMP_INSTANCE__) == COMP1)                        && \
  69                     (((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH1)  || \
  70                     ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC3_CH1))     \
  71                    )                                                      || \
  72                    (((__COMP_INSTANCE__) == COMP2)                        && \
  73                     (((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH2)  || \
  74                     ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC3_CH2))     \
  75                    )                                                      || \
  76                    (((__COMP_INSTANCE__) == COMP3)                        && \
  77                     (((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH1)  || \
  78                     ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC3_CH1))     \
  79                    )                                                      || \
  80                    (((__COMP_INSTANCE__) == COMP4)                        && \
  81                     (((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH1)  || \
  82                     ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC3_CH2))     \
  83                    )                                                      || \
  84                    (((__COMP_INSTANCE__) == COMP5)                        && \
  85                     (((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH2)  || \
  86                     ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC4_CH1))     \
  87                    )                                                      || \
  88                    (((__COMP_INSTANCE__) == COMP6)                        && \
  89                     (((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC2_CH1)  || \
  90                     ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC4_CH2))     \
  91                    )                                                      || \
  92                    (((__COMP_INSTANCE__) == COMP7)                        && \
  93                     (((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC2_CH1)  || \
  94                     ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC4_CH1))     \
  95                    ))
  96 #elif defined(STM32GBK1CB) || defined(STM32G431xx) || defined(STM32G441xx) || defined(STM32G471xx)
  97 #define IS_LL_COMP_INPUT_MINUS(__COMP_INSTANCE__, __INPUT_MINUS__)           \
  98                   (((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_1_4VREFINT)  || \
  99                    ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_1_2VREFINT)  || \
 100                    ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_3_4VREFINT)  || \
 101                    ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_VREFINT)     || \
 102                    ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO1)         || \
 103                    ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO2)         || \
 104                    (((__COMP_INSTANCE__) == COMP1)                        && \
 105                     (((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH1)  || \
 106                     ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC3_CH1))     \
 107                    )                                                      || \
 108                    (((__COMP_INSTANCE__) == COMP2)                        && \
 109                     (((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH2)  || \
 110                     ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC3_CH2))     \
 111                    )                                                      || \
 112                    (((__COMP_INSTANCE__) == COMP3)                        && \
 113                     (((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH1)  || \
 114                     ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC3_CH1))     \
 115                    )                                                      || \
 116                    (((__COMP_INSTANCE__) == COMP4)                        && \
 117                     (((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH1)  || \
 118                     ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC3_CH2))     \
 119                    ))
 120 #endif
 121
 122 #define IS_LL_COMP_INPUT_HYSTERESIS(__INPUT_HYSTERESIS__)                      \
 123   (   ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_NONE)                      \
 124    || ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_10MV)                      \
 125    || ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_20MV)                      \
 126    || ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_30MV)                      \
 127    || ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_40MV)                      \
 128    || ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_50MV)                      \
 129    || ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_60MV)                      \
 130    || ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_70MV)                      \
 131   )
 132
 133 #define IS_LL_COMP_OUTPUT_POLARITY(__POLARITY__)                               \
 134   (   ((__POLARITY__) == LL_COMP_OUTPUTPOL_NONINVERTED)                        \
 135    || ((__POLARITY__) == LL_COMP_OUTPUTPOL_INVERTED)                           \
 136   )
 137
 138 #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx)
 139 #define IS_LL_COMP_OUTPUT_BLANKING_SOURCE(__INSTANCE__, __OUTPUT_BLANKING_SOURCE__)  \
 140      ((((__INSTANCE__) == COMP1) &&                                                  \
 141       (((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE)            ||      \
 142        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5_COMP1)  ||      \
 143        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM2_OC3_COMP1)  ||      \
 144        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC3_COMP1)  ||      \
 145        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5_COMP1)))        \
 146       ||                                                                             \
 147       (((__INSTANCE__) == COMP2) &&                                                  \
 148       (((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE)            ||      \
 149        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5_COMP2)  ||      \
 150        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM2_OC3_COMP2)  ||      \
 151        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC3_COMP2)  ||      \
 152        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5_COMP2)))        \
 153       ||                                                                             \
 154       (((__INSTANCE__) == COMP3) &&                                                  \
 155       (((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE)            ||      \
 156        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5_COMP3)  ||      \
 157        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM2_OC4_COMP3)  ||      \
 158        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC3_COMP3)  ||      \
 159        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5_COMP3)))        \
 160       ||                                                                             \
 161       (((__INSTANCE__) == COMP4) &&                                                  \
 162       (((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE)            ||      \
 163        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5_COMP4)  ||      \
 164        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC4_COMP4)  ||      \
 165        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5_COMP4)  ||      \
 166        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM15_OC1_COMP4)))       \
 167       ||                                                                             \
 168       (((__INSTANCE__) == COMP5) &&                                                  \
 169       (((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE)            ||      \
 170        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5_COMP5)  ||      \
 171        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM2_OC3_COMP5)  ||      \
 172        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC3_COMP5)  ||      \
 173        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5_COMP5)))        \
 174       ||                                                                             \
 175       (((__INSTANCE__) == COMP6) &&                                                  \
 176       (((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE)            ||      \
 177        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5_COMP6)  ||      \
 178        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM2_OC4_COMP6)  ||      \
 179        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5_COMP6)  ||      \
 180        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM15_OC2_COMP6)))       \
 181       ||                                                                             \
 182       (((__INSTANCE__) == COMP7) &&                                                  \
 183       (((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE)            ||      \
 184        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5_COMP7)  ||      \
 185        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC3_COMP7)  ||      \
 186        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5_COMP7)  ||      \
 187        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM15_OC2_COMP7)))       \
 188       || ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM20_OC5)             \
 189       || ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM15_OC1)             \
 190       || ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM4_OC3)              \
 191       )
 192 #elif defined(STM32GBK1CB) || defined(STM32G431xx) || defined(STM32G441xx) || defined(STM32G471xx)
 193 #define IS_LL_COMP_OUTPUT_BLANKING_SOURCE(__INSTANCE__, __OUTPUT_BLANKING_SOURCE__)  \
 194      ((((__INSTANCE__) == COMP1) &&                                                  \
 195       (((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE)            ||      \
 196        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5_COMP1)  ||      \
 197        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM2_OC3_COMP1)  ||      \
 198        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC3_COMP1)  ||      \
 199        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5_COMP1)))        \
 200       ||                                                                             \
 201       (((__INSTANCE__) == COMP2) &&                                                  \
 202       (((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE)            ||      \
 203        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5_COMP2)  ||      \
 204        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM2_OC3_COMP2)  ||      \
 205        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC3_COMP2)  ||      \
 206        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5_COMP2)))        \
 207       ||                                                                             \
 208       (((__INSTANCE__) == COMP3) &&                                                  \
 209       (((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE)            ||      \
 210        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5_COMP3)  ||      \
 211        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM2_OC4_COMP3)  ||      \
 212        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC3_COMP3)  ||      \
 213        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5_COMP3)))        \
 214       ||                                                                             \
 215       (((__INSTANCE__) == COMP4) &&                                                  \
 216       (((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE)            ||      \
 217        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5_COMP4)  ||      \
 218        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC4_COMP4)  ||      \
 219        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5_COMP4)  ||      \
 220        ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM15_OC1_COMP4)))       \
 221       || ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM15_OC1)             \
 222       || ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM4_OC3)              \
 223       )
 224 #endif
 225 #define IS_LL_COMP_DEGLITCHER_MODE(__INSTANCE__, __DEGLITCHER__)               \
 226   (   ((__DEGLITCHER__) == LL_COMP_DEGLITCHER_DISABLED)                        \
 227    || ((__DEGLITCHER__) == LL_COMP_DEGLITCHER_ENABLED)                         \
 228   )
 229
 230 /**
 231   * @}
 232   */
 233
 234
 235 /* Private function prototypes -----------------------------------------------*/
 236
 237 /* Exported functions --------------------------------------------------------*/
 238 /** @addtogroup COMP_LL_Exported_Functions
 239   * @{
 240   */
 241
 242 /** @addtogroup COMP_LL_EF_Init
 243   * @{
 244   */
 245
 246 /**
 247   * @brief  De-initialize registers of the selected COMP instance
 248   *         to their default reset values.
 249   * @note   If comparator is locked, de-initialization by software is
 250   *         not possible.
 251   *         The only way to unlock the comparator is a device hardware reset.
 252   * @param  COMPx COMP instance
 253   * @retval An ErrorStatus enumeration value:
 254   *          - SUCCESS: COMP registers are de-initialized
 255   *          - ERROR: COMP registers are not de-initialized
 256   */
 257 ErrorStatus LL_COMP_DeInit(COMP_TypeDef *COMPx)
 258 {
 259   ErrorStatus status = SUCCESS;
 260
 261   /* Check the parameters */
 262   assert_param(IS_COMP_ALL_INSTANCE(COMPx));
 263
 264   /* Note: Hardware constraint (refer to description of this function):       */
 265   /*       COMP instance must not be locked.                                  */
 266   if (LL_COMP_IsLocked(COMPx) == 0UL)
 267   {
 268     LL_COMP_WriteReg(COMPx, CSR, 0x00000000UL);
 269
 270   }
 271   else
 272   {
 273     /* Comparator instance is locked: de-initialization by software is         */
 274     /* not possible.                                                           */
 275     /* The only way to unlock the comparator is a device hardware reset.       */
 276     status = ERROR;
 277   }
 278
 279   return status;
 280 }
 281
 282 /**
 283   * @brief  Initialize some features of COMP instance.
 284   * @note   This function configures features of the selected COMP instance.
 285   *         Some features are also available at scope COMP common instance
 286   *         (common to several COMP instances).
 287   *         Refer to functions having argument "COMPxy_COMMON" as parameter.
 288   * @param  COMPx COMP instance
 289   * @param  COMP_InitStruct Pointer to a @ref LL_COMP_InitTypeDef structure
 290   * @retval An ErrorStatus enumeration value:
 291   *          - SUCCESS: COMP registers are initialized
 292   *          - ERROR: COMP registers are not initialized
 293   */
 294 ErrorStatus LL_COMP_Init(COMP_TypeDef *COMPx, LL_COMP_InitTypeDef *COMP_InitStruct)
 295 {
 296   ErrorStatus status = SUCCESS;
 297
 298   /* Check the parameters */
 299   assert_param(IS_COMP_ALL_INSTANCE(COMPx));
 300   assert_param(IS_LL_COMP_INPUT_PLUS(COMPx, COMP_InitStruct->InputPlus));
 301   assert_param(IS_LL_COMP_INPUT_MINUS(COMPx, COMP_InitStruct->InputMinus));
 302   assert_param(IS_LL_COMP_INPUT_HYSTERESIS(COMP_InitStruct->InputHysteresis));
 303   assert_param(IS_LL_COMP_OUTPUT_POLARITY(COMP_InitStruct->OutputPolarity));
 304   assert_param(IS_LL_COMP_OUTPUT_BLANKING_SOURCE(COMPx, COMP_InitStruct->OutputBlankingSource));
 305   assert_param(IS_LL_COMP_DEGLITCHER_MODE(COMPx, COMP_InitStruct->DeglitcherMode));
 306
 307   /* Note: Hardware constraint (refer to description of this function)        */
 308   /*       COMP instance must not be locked.                                  */
 309   if (LL_COMP_IsLocked(COMPx) == 0UL)
 310   {
 311     /* Configuration of comparator instance :                                 */
 312     /*  - InputPlus                                                           */
 313     /*  - InputMinus                                                          */
 314     /*  - InputHysteresis                                                     */
 315     /*  - OutputPolarity                                                      */
 316     /*  - OutputBlankingSource                                                */
 317     /*  - DeglitcherMode                                                      */
 318     MODIFY_REG(COMPx->CSR,
 319                COMP_CSR_INPSEL
 320                | COMP_CSR_SCALEN
 321                | COMP_CSR_BRGEN
 322                | COMP_CSR_INMSEL
 323                | COMP_CSR_HYST
 324                | COMP_CSR_POLARITY
 325                | COMP_CSR_BLANKING
 326                | COMP_CSR_DEGLITCHEN
 327                ,
 328                COMP_InitStruct->InputPlus
 329                | COMP_InitStruct->InputMinus
 330                | COMP_InitStruct->InputHysteresis
 331                | COMP_InitStruct->OutputPolarity
 332                | COMP_InitStruct->OutputBlankingSource
 333                | COMP_InitStruct->DeglitcherMode
 334               );
 335
 336   }
 337   else
 338   {
 339     /* Initialization error: COMP instance is locked.                         */
 340     status = ERROR;
 341   }
 342
 343   return status;
 344 }
 345
 346 /**
 347   * @brief Set each @ref LL_COMP_InitTypeDef field to default value.
 348   * @param COMP_InitStruct Pointer to a @ref LL_COMP_InitTypeDef structure
 349   *                        whose fields will be set to default values.
 350   * @retval None
 351   */
 352 void LL_COMP_StructInit(LL_COMP_InitTypeDef *COMP_InitStruct)
 353 {
 354   /* Set COMP_InitStruct fields to default values */
 355   COMP_InitStruct->InputPlus            = LL_COMP_INPUT_PLUS_IO1;
 356   COMP_InitStruct->InputMinus           = LL_COMP_INPUT_MINUS_VREFINT;
 357   COMP_InitStruct->InputHysteresis      = LL_COMP_HYSTERESIS_NONE;
 358   COMP_InitStruct->OutputPolarity       = LL_COMP_OUTPUTPOL_NONINVERTED;
 359   COMP_InitStruct->OutputBlankingSource = LL_COMP_BLANKINGSRC_NONE;
 360   COMP_InitStruct->DeglitcherMode = LL_COMP_DEGLITCHER_DISABLED;
 361 }
 362
 363 /**
 364   * @}
 365   */
 366
 367 /**
 368   * @}
 369   */
 370
 371 /**
 372   * @}
 373   */
 374
 375
 376
 377 /**
 378   * @}
 379   */
 380
 381 #endif /* USE_FULL_LL_DRIVER */
 382
 383 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/