1 /**
2   ******************************************************************************
3   * @file    stm32l4xx_hal_opamp.h
4   * @author  MCD Application Team
5   * @brief   Header file of OPAMP HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
10   *
11   * Redistribution and use in source and binary forms, with or without modification,
12   * are permitted provided that the following conditions are met:
13   *   1. Redistributions of source code must retain the above copyright notice,
14   *      this list of conditions and the following disclaimer.
15   *   2. Redistributions in binary form must reproduce the above copyright notice,
16   *      this list of conditions and the following disclaimer in the documentation
17   *      and/or other materials provided with the distribution.
18   *   3. Neither the name of STMicroelectronics nor the names of its contributors
19   *      may be used to endorse or promote products derived from this software
20   *      without specific prior written permission.
21   *
22   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
23   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
25   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
26   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
28   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
29   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32   *
33   ******************************************************************************
34   */
35 
36 /* Define to prevent recursive inclusion -------------------------------------*/
37 #ifndef STM32L4xx_HAL_OPAMP_H
38 #define STM32L4xx_HAL_OPAMP_H
39 
40 #ifdef __cplusplus
41  extern "C" {
42 #endif
43 
44 /* Includes ------------------------------------------------------------------*/
45 #include "stm32l4xx_hal_def.h"
46 
47 /** @addtogroup STM32L4xx_HAL_Driver
48   * @{
49   */
50 
51 /** @addtogroup OPAMP
52   * @{
53   */
54 
55 /* Exported types ------------------------------------------------------------*/
56 
57 /** @defgroup OPAMP_Exported_Types OPAMP Exported Types
58   * @{
59   */
60 
61 /**
62   * @brief  OPAMP Init structure definition
63   */
64 
65 typedef struct
66 {
67   uint32_t PowerSupplyRange;            /*!< Specifies the power supply range: above or under 2.4V.
68                                              This parameter must be a value of @ref OPAMP_PowerSupplyRange
69                                              Caution: This parameter is common to all OPAMP instances: a modification of this parameter for the selected OPAMP impacts the other OPAMP instances. */
70 
71   uint32_t PowerMode;                   /*!< Specifies the power mode Normal or Low-Power.
72                                              This parameter must be a value of @ref OPAMP_PowerMode */
73 
74   uint32_t Mode;                        /*!< Specifies the OPAMP mode
75                                              This parameter must be a value of @ref OPAMP_Mode
76                                              mode is either Standalone, - Follower or PGA */
77 
78   uint32_t InvertingInput;              /*!< Specifies the inverting input in Standalone & PGA modes
79                                                - In Standalone mode:   i.e. when mode is OPAMP_STANDALONE_MODE
80                                                  & PGA mode:           i.e. when mode is OPAMP_PGA_MODE
81                                                  This parameter must be a value of @ref OPAMP_InvertingInput
82                                                - In Follower mode    i.e. when mode is OPAMP_FOLLOWER_MODE
83                                                  This parameter is Not Applicable */
84 
85   uint32_t NonInvertingInput;           /*!< Specifies the non inverting input of the opamp:
86                                              This parameter must be a value of @ref OPAMP_NonInvertingInput */
87 
88   uint32_t PgaGain;                     /*!< Specifies the gain in PGA mode
89                                              i.e. when mode is OPAMP_PGA_MODE.
90                                              This parameter must be a value of @ref OPAMP_PgaGain (2, 4, 8 or 16 ) */
91 
92   uint32_t UserTrimming;                /*!< Specifies the trimming mode
93                                              This parameter must be a value of @ref OPAMP_UserTrimming
94                                              UserTrimming is either factory or user trimming.*/
95 
96   uint32_t TrimmingValueP;              /*!< Specifies the offset trimming value (PMOS)
97                                              i.e. when UserTrimming is OPAMP_TRIMMING_USER.
98                                              This parameter must be a number between Min_Data = 0 and Max_Data = 31
99                                              16 is typical default value */
100 
101   uint32_t TrimmingValueN;              /*!< Specifies the offset trimming value (NMOS)
102                                              i.e. when UserTrimming is OPAMP_TRIMMING_USER.
103                                              This parameter must be a number between Min_Data = 0 and Max_Data = 31
104                                              16 is typical default value */
105 
106   uint32_t TrimmingValuePLowPower;      /*!< Specifies the offset trimming value (PMOS)
107                                              i.e. when UserTrimming is OPAMP_TRIMMING_USER.
108                                              This parameter must be a number between Min_Data = 0 and Max_Data = 31
109                                              16 is typical default value */
110 
111   uint32_t TrimmingValueNLowPower;      /*!< Specifies the offset trimming value (NMOS)
112                                              i.e. when UserTrimming is OPAMP_TRIMMING_USER.
113                                              This parameter must be a number between Min_Data = 0 and Max_Data = 31
114                                              16 is typical default value */
115 
116 }OPAMP_InitTypeDef;
117 
118 /**
119   * @brief  HAL State structures definition
120   */
121 
122 typedef enum
123 {
124   HAL_OPAMP_STATE_RESET               = 0x00000000, /*!< OPAMP is not yet Initialized          */
125 
126   HAL_OPAMP_STATE_READY               = 0x00000001, /*!< OPAMP is initialized and ready for use */
127   HAL_OPAMP_STATE_CALIBBUSY           = 0x00000002, /*!< OPAMP is enabled in auto calibration mode */
128 
129   HAL_OPAMP_STATE_BUSY                = 0x00000004, /*!< OPAMP is enabled and running in normal mode */
130   HAL_OPAMP_STATE_BUSYLOCKED          = 0x00000005  /*!< OPAMP is locked
131                                                          only system reset allows reconfiguring the opamp. */
132 
133 }HAL_OPAMP_StateTypeDef;
134 
135 /**
136   * @brief OPAMP Handle Structure definition
137   */
138 #if (USE_HAL_OPAMP_REGISTER_CALLBACKS == 1)
139 typedef struct __OPAMP_HandleTypeDef
140 #else
141 typedef struct
142 #endif /* USE_HAL_OPAMP_REGISTER_CALLBACKS */
143 {
144   OPAMP_TypeDef       *Instance;                    /*!< OPAMP instance's registers base address   */
145   OPAMP_InitTypeDef   Init;                         /*!< OPAMP required parameters */
146   HAL_StatusTypeDef Status;                         /*!< OPAMP peripheral status   */
147   HAL_LockTypeDef   Lock;                           /*!< Locking object          */
148   __IO HAL_OPAMP_StateTypeDef  State;               /*!< OPAMP communication state */
149 
150 #if (USE_HAL_OPAMP_REGISTER_CALLBACKS == 1)
151 void (* MspInitCallback)                (struct __OPAMP_HandleTypeDef *hopamp);
152 void (* MspDeInitCallback)              (struct __OPAMP_HandleTypeDef *hopamp);
153 #endif /* USE_HAL_OPAMP_REGISTER_CALLBACKS */
154 
155 }OPAMP_HandleTypeDef;
156 
157 /**
158   * @brief HAl_OPAMP_TrimmingValueTypeDef definition
159   */
160 
161 typedef  uint32_t HAL_OPAMP_TrimmingValueTypeDef;
162 
163 /**
164   * @}
165   */
166 
167 #if (USE_HAL_OPAMP_REGISTER_CALLBACKS == 1)
168 /**
169   * @brief  HAL OPAMP Callback ID enumeration definition
170   */
171 typedef enum
172 {
173   HAL_OPAMP_MSP_INIT_CB_ID                     = 0x01U,  /*!< OPAMP MspInit Callback ID           */
174   HAL_OPAMP_MSP_DEINIT_CB_ID                   = 0x02U,  /*!< OPAMP MspDeInit Callback ID         */
175   HAL_OPAMP_ALL_CB_ID                          = 0x03U   /*!< OPAMP All ID                        */
176 }HAL_OPAMP_CallbackIDTypeDef;
177 
178 /**
179   * @brief  HAL OPAMP Callback pointer definition
180   */
181 typedef void (*pOPAMP_CallbackTypeDef)(OPAMP_HandleTypeDef *hopamp);
182 #endif /* USE_HAL_OPAMP_REGISTER_CALLBACKS */
183 
184 
185 /* Exported constants --------------------------------------------------------*/
186 
187 /** @defgroup OPAMP_Exported_Constants OPAMP Exported Constants
188   * @{
189   */
190 
191 /** @defgroup OPAMP_Mode OPAMP Mode
192   * @{
193   */
194 #define OPAMP_STANDALONE_MODE            0x00000000U            /*!< standalone mode */
195 #define OPAMP_PGA_MODE                   OPAMP_CSR_OPAMODE_1    /*!< PGA mode */
196 #define OPAMP_FOLLOWER_MODE              OPAMP_CSR_OPAMODE      /*!< follower mode */
197 
198 /**
199   * @}
200   */
201 
202 /** @defgroup OPAMP_NonInvertingInput OPAMP Non Inverting Input
203   * @{
204   */
205 
206 #define OPAMP_NONINVERTINGINPUT_IO0         0x00000000U            /*!< OPAMP non-inverting input connected to dedicated IO pin */
207 #define OPAMP_NONINVERTINGINPUT_DAC_CH      OPAMP_CSR_VPSEL        /*!< OPAMP non-inverting input connected internally to DAC channel */
208 
209 /**
210   * @}
211   */
212 
213 /** @defgroup OPAMP_InvertingInput OPAMP Inverting Input
214   * @{
215   */
216 
217 #define OPAMP_INVERTINGINPUT_IO0              0x00000000U             /*!< OPAMP inverting input connected to dedicated IO pin low-leakage */
218 #define OPAMP_INVERTINGINPUT_IO1              OPAMP_CSR_VMSEL_0       /*!< OPAMP inverting input connected to alternative IO pin available on some device packages */
219 #define OPAMP_INVERTINGINPUT_CONNECT_NO       OPAMP_CSR_VMSEL_1       /*!< OPAMP inverting input not connected externally (PGA mode only) */
220 
221 /**
222   * @}
223   */
224 
225 /** @defgroup OPAMP_PgaGain OPAMP Pga Gain
226   * @{
227   */
228 
229 #define OPAMP_PGA_GAIN_2                0x00000000U                                   /*!< PGA gain =  2 */
230 #define OPAMP_PGA_GAIN_4                OPAMP_CSR_PGGAIN_0                            /*!< PGA gain =  4 */
231 #define OPAMP_PGA_GAIN_8                OPAMP_CSR_PGGAIN_1                            /*!< PGA gain =  8 */
232 #define OPAMP_PGA_GAIN_16              (OPAMP_CSR_PGGAIN_0 | OPAMP_CSR_PGGAIN_1)      /*!< PGA gain = 16 */
233 
234 /**
235   * @}
236   */
237 
238 /** @defgroup OPAMP_PowerMode OPAMP PowerMode
239   * @{
240   */
241 #define OPAMP_POWERMODE_NORMAL        0x00000000U
242 #define OPAMP_POWERMODE_LOWPOWER      OPAMP_CSR_OPALPM
243 
244 /**
245   * @}
246   */
247 
248 /** @defgroup OPAMP_PowerSupplyRange OPAMP PowerSupplyRange
249   * @{
250   */
251 #define OPAMP_POWERSUPPLY_LOW          0x00000000U             /*!< Power supply range low (VDDA lower than 2.4V) */
252 #define OPAMP_POWERSUPPLY_HIGH         OPAMP1_CSR_OPARANGE     /*!< Power supply range high (VDDA higher than 2.4V) */
253 
254 /**
255   * @}
256   */
257 
258 /** @defgroup OPAMP_UserTrimming OPAMP User Trimming
259   * @{
260   */
261 #define OPAMP_TRIMMING_FACTORY        0x00000000U                                     /*!< Factory trimming */
262 #define OPAMP_TRIMMING_USER           OPAMP_CSR_USERTRIM                              /*!< User trimming */
263 
264 /**
265   * @}
266   */
267 
268 /** @defgroup OPAMP_FactoryTrimming OPAMP Factory Trimming
269   * @{
270   */
271 #define OPAMP_FACTORYTRIMMING_DUMMY    0xFFFFFFFFU                 /*!< Dummy value if trimming value could not be retrieved */
272 #define OPAMP_FACTORYTRIMMING_N        0U                          /*!< Offset trimming N */
273 #define OPAMP_FACTORYTRIMMING_P        1U                          /*!< Offset trimming P */
274 
275 /**
276   * @}
277   */
278 
279  /**
280   * @}
281   */
282 
283 /* Private constants ---------------------------------------------------------*/
284 /** @defgroup OPAMP_Private_Constants OPAMP Private Constants
285   * @brief   OPAMP Private constants and defines
286   * @{
287   */
288 
289 /* NONINVERTING bit position in OTR & LPOTR */
290 #define OPAMP_INPUT_NONINVERTING              ((uint32_t) 8) /*!< Non inverting input */
291 
292 /* Offset trimming time: during calibration, minimum time needed between two  */
293 /* steps to have 1 mV accuracy.                                               */
294 /* Refer to datasheet, electrical characteristics: parameter tOFFTRIM Typ=1ms.*/
295 /* Unit: ms.                                                                  */
296 #define OPAMP_TRIMMING_DELAY               ((uint32_t) 1)
297 
298 /**
299   * @}
300   */
301 
302 /* Exported macros -----------------------------------------------------------*/
303 /** @defgroup OPAMP_Exported_Macros OPAMP Exported Macros
304   * @{
305   */
306 
307 /** @brief Reset OPAMP handle state.
308   * @param  __HANDLE__: OPAMP handle.
309   * @retval None
310   */
311 #if (USE_HAL_OPAMP_REGISTER_CALLBACKS == 1)
312 #define __HAL_OPAMP_RESET_HANDLE_STATE(__HANDLE__)           do {                                              \
313                                                                  (__HANDLE__)->State = HAL_OPAMP_STATE_RESET; \
314                                                                  (__HANDLE__)->MspInitCallback = NULL;       \
315                                                                  (__HANDLE__)->MspDeInitCallback = NULL;     \
316                                                                } while(0)
317 #else
318 #define __HAL_OPAMP_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_OPAMP_STATE_RESET)
319 #endif /* USE_HAL_OPAMP_REGISTER_CALLBACKS */
320 
321 
322 
323 /**
324   * @}
325   */
326 
327 /* Private macro -------------------------------------------------------------*/
328 
329 /** @defgroup OPAMP_Private_Macros OPAMP Private Macros
330   * @{
331   */
332 
333 #define IS_OPAMP_FUNCTIONAL_NORMALMODE(INPUT) (((INPUT) == OPAMP_STANDALONE_MODE) || \
334                                                ((INPUT) == OPAMP_PGA_MODE) || \
335                                                ((INPUT) == OPAMP_FOLLOWER_MODE))
336 
337 #if defined (STM32L471xx) || defined (STM32L475xx) || defined (STM32L476xx) || defined (STM32L485xx) || defined (STM32L486xx) || \
338     defined (STM32L496xx) || defined (STM32L4A6xx) || \
339     defined (STM32L4R5xx) || defined (STM32L4R7xx) || defined (STM32L4R9xx) || defined (STM32L4S5xx) || defined (STM32L4S7xx) || defined(STM32L4S9xx)
340 #define IS_OPAMP_INVERTING_INPUT_STANDALONE(INPUT) (((INPUT) == OPAMP_INVERTINGINPUT_IO0) || \
341                                                     ((INPUT) == OPAMP_INVERTINGINPUT_IO1))
342 #endif /* STM32L471xx STM32L475xx STM32L476xx STM32L485xx STM32L486xx  */
343        /* STM32L496xx STM32L4A6xx                                      */
344        /* STM32L4R5xx STM32L4R7xx STM32L4R9xx STM32L4S5xx  STM32L4S7xx STM32L4S9xx */
345 
346 #if defined (STM32L412xx) || defined (STM32L422xx) || \
347     defined (STM32L431xx) || defined (STM32L432xx) || defined (STM32L433xx)  || defined (STM32L442xx)  || defined (STM32L443xx) || \
348     defined (STM32L451xx) || defined (STM32L452xx) || defined (STM32L462xx)
349 #define IS_OPAMP_INVERTING_INPUT_STANDALONE(INPUT) ((INPUT) == OPAMP_INVERTINGINPUT_IO0)
350 #endif /* STM32L412xx STM32L422xx                                      */
351        /* STM32L431xx STM32L432xx STM32L433xx STM32L442xx STM32L443xx  */
352        /* STM32L451xx STM32L452xx STM32L462xx */
353 
354 #if defined (STM32L412xx) || defined (STM32L422xx)
355 #define IS_OPAMP_NONINVERTING_INPUT(INPUT) ((INPUT) == OPAMP_NONINVERTINGINPUT_IO0)
356 #endif /* STM32L412xx STM32L422xx                                      */
357 
358 #if defined (STM32L431xx) || defined (STM32L432xx) || defined (STM32L433xx)  || defined (STM32L442xx)  || defined (STM32L443xx) || \
359     defined (STM32L451xx) || defined (STM32L452xx) || defined (STM32L462xx) || \
360     defined (STM32L471xx) || defined (STM32L475xx) || defined (STM32L476xx) || defined (STM32L485xx) || defined (STM32L486xx) || \
361     defined (STM32L496xx) || defined (STM32L4A6xx) || \
362     defined (STM32L4R5xx) || defined (STM32L4R7xx) || defined (STM32L4R9xx) || defined (STM32L4S5xx) || defined (STM32L4S7xx) || defined(STM32L4S9xx)
363 #define IS_OPAMP_NONINVERTING_INPUT(INPUT) (((INPUT) == OPAMP_NONINVERTINGINPUT_IO0) || \
364                                             ((INPUT) == OPAMP_NONINVERTINGINPUT_DAC_CH))
365 #endif /* STM32L431xx STM32L432xx STM32L433xx STM32L442xx STM32L443xx  */
366        /* STM32L451xx STM32L452xx STM32L462xx */
367        /* STM32L471xx STM32L475xx STM32L476xx STM32L485xx STM32L486xx  */
368        /* STM32L496xx STM32L4A6xx                                      */
369        /* STM32L4R5xx STM32L4R7xx STM32L4R9xx STM32L4S5xx  STM32L4S7xx STM32L4S9xx */
370 
371 #if defined (STM32L471xx) || defined (STM32L475xx) || defined (STM32L476xx) || defined (STM32L485xx) || defined (STM32L486xx) || \
372     defined (STM32L496xx) || defined (STM32L4A6xx) || \
373     defined (STM32L4R5xx) || defined (STM32L4R7xx) || defined (STM32L4R9xx) || defined (STM32L4S5xx) || defined (STM32L4S7xx) || defined(STM32L4S9xx)
374 #define IS_OPAMP_INVERTING_INPUT_PGA(INPUT) (((INPUT) == OPAMP_INVERTINGINPUT_IO0) || \
375                                              ((INPUT) == OPAMP_INVERTINGINPUT_IO1) || \
376                                              ((INPUT) == OPAMP_INVERTINGINPUT_CONNECT_NO))
377 #endif /* STM32L471xx STM32L475xx STM32L476xx STM32L485xx STM32L486xx  */
378        /* STM32L496xx STM32L4A6xx                                      */
379        /* STM32L4R5xx STM32L4R7xx STM32L4R9xx STM32L4S5xx  STM32L4S7xx STM32L4S9xx */
380 
381 #if defined (STM32L412xx) || defined (STM32L422xx) || \
382     defined (STM32L431xx) || defined (STM32L432xx) || defined (STM32L433xx)  || defined (STM32L442xx)  || defined (STM32L443xx) || \
383     defined (STM32L451xx) || defined (STM32L452xx) || defined (STM32L462xx)
384 #define IS_OPAMP_INVERTING_INPUT_PGA(INPUT) (((INPUT) == OPAMP_INVERTINGINPUT_IO0) || \
385                                              ((INPUT) == OPAMP_INVERTINGINPUT_CONNECT_NO))
386 #endif /* STM32L412xx STM32L422xx                                      */
387        /* STM32L431xx STM32L432xx STM32L433xx STM32L442xx STM32L443xx  */
388        /* STM32L451xx STM32L452xx STM32L462xx */
389 
390 #define IS_OPAMP_PGA_GAIN(GAIN) (((GAIN) == OPAMP_PGA_GAIN_2) || \
391                                  ((GAIN) == OPAMP_PGA_GAIN_4) || \
392                                  ((GAIN) == OPAMP_PGA_GAIN_8) || \
393                                  ((GAIN) == OPAMP_PGA_GAIN_16))
394 
395 #define IS_OPAMP_POWERMODE(TRIMMING) (((TRIMMING) == OPAMP_POWERMODE_NORMAL) || \
396                                       ((TRIMMING) == OPAMP_POWERMODE_LOWPOWER) )
397 
398 #define IS_OPAMP_POWER_SUPPLY_RANGE(RANGE) (((RANGE) == OPAMP_POWERSUPPLY_LOW) || \
399                                             ((RANGE) == OPAMP_POWERSUPPLY_HIGH)  )
400 
401 #define IS_OPAMP_TRIMMING(TRIMMING) (((TRIMMING) == OPAMP_TRIMMING_FACTORY) || \
402                                      ((TRIMMING) == OPAMP_TRIMMING_USER))
403 
404 
405 #define IS_OPAMP_TRIMMINGVALUE(TRIMMINGVALUE) ((TRIMMINGVALUE) <= 31U)
406 
407 #define IS_OPAMP_FACTORYTRIMMING(TRIMMING) (((TRIMMING) == OPAMP_FACTORYTRIMMING_N) || \
408                                              ((TRIMMING) == OPAMP_FACTORYTRIMMING_P))
409 
410 /**
411   * @}
412   */
413 
414 /* Include OPAMP HAL Extended module */
415 #include "stm32l4xx_hal_opamp_ex.h"
416 
417 /* Exported functions --------------------------------------------------------*/
418 /** @addtogroup OPAMP_Exported_Functions
419   * @{
420   */
421 
422 /** @addtogroup OPAMP_Exported_Functions_Group1
423   * @{
424   */
425 /* Initialization/de-initialization functions  **********************************/
426 HAL_StatusTypeDef HAL_OPAMP_Init(OPAMP_HandleTypeDef *hopamp);
427 HAL_StatusTypeDef HAL_OPAMP_DeInit (OPAMP_HandleTypeDef *hopamp);
428 void HAL_OPAMP_MspInit(OPAMP_HandleTypeDef *hopamp);
429 void HAL_OPAMP_MspDeInit(OPAMP_HandleTypeDef *hopamp);
430 /**
431   * @}
432   */
433 
434 /** @addtogroup OPAMP_Exported_Functions_Group2
435   * @{
436   */
437 
438 /* I/O operation functions  *****************************************************/
439 HAL_StatusTypeDef HAL_OPAMP_Start(OPAMP_HandleTypeDef *hopamp);
440 HAL_StatusTypeDef HAL_OPAMP_Stop(OPAMP_HandleTypeDef *hopamp);
441 HAL_StatusTypeDef HAL_OPAMP_SelfCalibrate(OPAMP_HandleTypeDef *hopamp);
442 
443 /**
444   * @}
445   */
446 
447 /** @addtogroup OPAMP_Exported_Functions_Group3
448   * @{
449   */
450 
451 /* Peripheral Control functions  ************************************************/
452 #if (USE_HAL_OPAMP_REGISTER_CALLBACKS == 1)
453 /* OPAMP callback registering/unregistering */
454 HAL_StatusTypeDef HAL_OPAMP_RegisterCallback (OPAMP_HandleTypeDef *hopamp, HAL_OPAMP_CallbackIDTypeDef CallbackID, pOPAMP_CallbackTypeDef pCallback);
455 HAL_StatusTypeDef HAL_OPAMP_UnRegisterCallback (OPAMP_HandleTypeDef *hopamp, HAL_OPAMP_CallbackIDTypeDef CallbackID);
456 #endif /* USE_HAL_OPAMP_REGISTER_CALLBACKS */
457 
458 HAL_StatusTypeDef HAL_OPAMP_Lock(OPAMP_HandleTypeDef *hopamp);
459 HAL_OPAMP_TrimmingValueTypeDef HAL_OPAMP_GetTrimOffset (OPAMP_HandleTypeDef *hopamp, uint32_t trimmingoffset);
460 
461 /**
462   * @}
463   */
464 
465 /** @addtogroup OPAMP_Exported_Functions_Group4
466   * @{
467   */
468 
469 /* Peripheral State functions  **************************************************/
470 HAL_OPAMP_StateTypeDef HAL_OPAMP_GetState(OPAMP_HandleTypeDef *hopamp);
471 
472 /**
473   * @}
474   */
475 
476 /**
477   * @}
478   */
479 
480 /**
481   * @}
482   */
483 
484 /**
485   * @}
486   */
487 
488 #ifdef __cplusplus
489 }
490 #endif
491 
492 #endif /* STM32L4xx_HAL_OPAMP_H */
493 
494 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
495