1 /**
2   ******************************************************************************
3   * @file    stm32l5xx_hal_comp.h
4   * @author  MCD Application Team
5   * @brief   Header file of COMP HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2019 STMicroelectronics.
10   * All rights reserved.
11   *
12   * This software is licensed under terms that can be found in the LICENSE file
13   * in the root directory of this software component.
14   * If no LICENSE file comes with this software, it is provided AS-IS.
15   *
16   ******************************************************************************
17   */
18 
19 /* Define to prevent recursive inclusion -------------------------------------*/
20 #ifndef STM32L5xx_HAL_COMP_H
21 #define STM32L5xx_HAL_COMP_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32l5xx_hal_def.h"
29 #include "stm32l5xx_ll_exti.h"
30 
31 /** @addtogroup STM32L5xx_HAL_Driver
32   * @{
33   */
34 #if defined (COMP1) || defined (COMP2)
35 
36 /** @addtogroup COMP
37   * @{
38   */
39 
40 /* Exported types ------------------------------------------------------------*/
41 /** @defgroup COMP_Exported_Types COMP Exported Types
42   * @{
43   */
44 
45 /**
46   * @brief  COMP Init structure definition
47   */
48 typedef struct
49 {
50 
51   uint32_t WindowMode;         /*!< Set window mode of a pair of comparators instances
52                                     (2 consecutive instances odd and even COMP<x> and COMP<x+1>).
53                                     Note: HAL COMP driver allows to set window mode from any COMP
54                                     instance of the pair of COMP instances composing window mode.
55                                     This parameter can be a value of @ref COMP_WindowMode */
56 
57   uint32_t Mode;               /*!< Set comparator operating mode to adjust power and speed.
58                                     Note: For the characteristics of comparator power modes
59                                           (propagation delay and power consumption), refer to device datasheet.
60                                     This parameter can be a value of @ref COMP_PowerMode */
61 
62   uint32_t InputPlus;          /*!< Set comparator input plus (non-inverting input).
63                                     This parameter can be a value of @ref COMP_InputPlus */
64 
65   uint32_t InputMinus;         /*!< Set comparator input minus (inverting input).
66                                     This parameter can be a value of @ref COMP_InputMinus */
67 
68   uint32_t Hysteresis;         /*!< Set comparator hysteresis mode of the input minus.
69                                     This parameter can be a value of @ref COMP_Hysteresis */
70 
71   uint32_t OutputPol;          /*!< Set comparator output polarity.
72                                     This parameter can be a value of @ref COMP_OutputPolarity */
73 
74   uint32_t BlankingSrce;       /*!< Set comparator blanking source.
75                                     This parameter can be a value of @ref COMP_BlankingSrce */
76 
77   uint32_t TriggerMode;        /*!< Set the comparator output triggering External Interrupt Line (EXTI).
78                                     This parameter can be a value of @ref COMP_EXTI_TriggerMode */
79 
80 } COMP_InitTypeDef;
81 
82 /**
83   * @brief  HAL COMP state machine: HAL COMP states definition
84   */
85 #define COMP_STATE_BITFIELD_LOCK  (0x10U)
86 typedef enum
87 {
88   HAL_COMP_STATE_RESET             = 0x00U,                                             /*!< COMP not yet initialized                             */
89   HAL_COMP_STATE_RESET_LOCKED      = (HAL_COMP_STATE_RESET | COMP_STATE_BITFIELD_LOCK), /*!< COMP not yet initialized and configuration is locked */
90   HAL_COMP_STATE_READY             = 0x01U,                                             /*!< COMP initialized and ready for use                   */
91   HAL_COMP_STATE_READY_LOCKED      = (HAL_COMP_STATE_READY | COMP_STATE_BITFIELD_LOCK), /*!< COMP initialized but configuration is locked         */
92   HAL_COMP_STATE_BUSY              = 0x02U,                                             /*!< COMP is running                                      */
93   HAL_COMP_STATE_BUSY_LOCKED       = (HAL_COMP_STATE_BUSY | COMP_STATE_BITFIELD_LOCK)   /*!< COMP is running and configuration is locked          */
94 } HAL_COMP_StateTypeDef;
95 
96 /**
97   * @brief  COMP Handle Structure definition
98   */
99 #if (USE_HAL_COMP_REGISTER_CALLBACKS == 1)
100 typedef struct __COMP_HandleTypeDef
101 #else
102 typedef struct
103 #endif /* USE_HAL_COMP_REGISTER_CALLBACKS */
104 {
105   COMP_TypeDef       *Instance;       /*!< Register base address    */
106   COMP_InitTypeDef   Init;            /*!< COMP required parameters */
107   HAL_LockTypeDef    Lock;            /*!< Locking object           */
108   __IO HAL_COMP_StateTypeDef  State;  /*!< COMP communication state */
109   __IO uint32_t      ErrorCode;       /*!< COMP error code */
110 #if (USE_HAL_COMP_REGISTER_CALLBACKS == 1)
111   void (* TriggerCallback)(struct __COMP_HandleTypeDef *hcomp);   /*!< COMP trigger callback */
112   void (* MspInitCallback)(struct __COMP_HandleTypeDef *hcomp);   /*!< COMP Msp Init callback */
113   void (* MspDeInitCallback)(struct __COMP_HandleTypeDef *hcomp); /*!< COMP Msp DeInit callback */
114 #endif /* USE_HAL_COMP_REGISTER_CALLBACKS */
115 } COMP_HandleTypeDef;
116 
117 #if (USE_HAL_COMP_REGISTER_CALLBACKS == 1)
118 /**
119   * @brief  HAL COMP Callback ID enumeration definition
120   */
121 typedef enum
122 {
123   HAL_COMP_TRIGGER_CB_ID                = 0x00U,  /*!< COMP trigger callback ID */
124   HAL_COMP_MSPINIT_CB_ID                = 0x01U,  /*!< COMP Msp Init callback ID */
125   HAL_COMP_MSPDEINIT_CB_ID              = 0x02U   /*!< COMP Msp DeInit callback ID */
126 } HAL_COMP_CallbackIDTypeDef;
127 
128 /**
129   * @brief  HAL COMP Callback pointer definition
130   */
131 typedef  void (*pCOMP_CallbackTypeDef)(COMP_HandleTypeDef *hcomp); /*!< pointer to a COMP callback function */
132 
133 #endif /* USE_HAL_COMP_REGISTER_CALLBACKS */
134 
135 /**
136   * @}
137   */
138 
139 /* Exported constants --------------------------------------------------------*/
140 /** @defgroup COMP_Exported_Constants COMP Exported Constants
141   * @{
142   */
143 
144 /** @defgroup COMP_Error_Code COMP Error Code
145   * @{
146   */
147 #define HAL_COMP_ERROR_NONE             (0x00UL)  /*!< No error */
148 #if (USE_HAL_COMP_REGISTER_CALLBACKS == 1)
149 #define HAL_COMP_ERROR_INVALID_CALLBACK (0x01UL)  /*!< Invalid Callback error */
150 #endif /* USE_HAL_COMP_REGISTER_CALLBACKS */
151 /**
152   * @}
153   */
154 
155 
156 /** @defgroup COMP_WindowMode COMP Window Mode
157   * @{
158   */
159 #define COMP_WINDOWMODE_DISABLE                 (0x00000000UL)            /*!< Window mode disable: Comparators
160                                                                                instances pair COMP1 and COMP2 are
161                                                                                independent */
162 #define COMP_WINDOWMODE_COMP1_INPUT_PLUS_COMMON (COMP_CSR_WINMODE)        /*!< Window mode enable: Comparators instances
163                                                                                pair COMP1 and COMP2 have their input
164                                                                                plus connected together.
165                                                                                The common input is COMP1 input plus
166                                                                                (COMP2 input plus is no more accessible).
167                                                                                */
168 /**
169   * @}
170   */
171 
172 
173 
174 /** @defgroup COMP_PowerMode COMP power mode
175   * @{
176   */
177 /* Note: For the characteristics of comparator power modes                    */
178 /*       (propagation delay and power consumption),                           */
179 /*       refer to device datasheet.                                           */
180 #define COMP_POWERMODE_HIGHSPEED       (0x00000000UL)         /*!< High Speed */
181 #define COMP_POWERMODE_MEDIUMSPEED     (COMP_CSR_PWRMODE_0)   /*!< Medium Speed */
182 #define COMP_POWERMODE_ULTRALOWPOWER   (COMP_CSR_PWRMODE)     /*!< Ultra-low power mode */
183 /**
184   * @}
185   */
186 
187 /** @defgroup COMP_InputPlus COMP input plus (non-inverting input)
188   * @{
189   */
190 #define COMP_INPUT_PLUS_IO1            (0x00000000UL)         /*!< Comparator input plus connected to IO1 (pin PC5 for COMP1, pin PB4 for COMP2) */
191 #define COMP_INPUT_PLUS_IO2            (COMP_CSR_INPSEL_0)    /*!< Comparator input plus connected to IO2 (pin PB2 for COMP1, pin PB6 for COMP2) */
192 #define COMP_INPUT_PLUS_IO3            (COMP_CSR_INPSEL_1)    /*!< Comparator input plus connected to IO3 (pin PA2 for COMP1, not available for COMP2) */
193 /**
194   * @}
195   */
196 
197 /** @defgroup COMP_InputMinus COMP input minus (inverting input)
198   * @{
199   */
200 #define COMP_INPUT_MINUS_1_4VREFINT    (                                                            COMP_CSR_SCALEN | COMP_CSR_BRGEN)        /*!< Comparator input minus connected to 1/4 VrefInt */
201 #define COMP_INPUT_MINUS_1_2VREFINT    (                                        COMP_CSR_INMSEL_0 | COMP_CSR_SCALEN | COMP_CSR_BRGEN)        /*!< Comparator input minus connected to 1/2 VrefInt */
202 #define COMP_INPUT_MINUS_3_4VREFINT    (                    COMP_CSR_INMSEL_1                     | COMP_CSR_SCALEN | COMP_CSR_BRGEN)        /*!< Comparator input minus connected to 3/4 VrefInt */
203 #define COMP_INPUT_MINUS_VREFINT       (                    COMP_CSR_INMSEL_1 | COMP_CSR_INMSEL_0 | COMP_CSR_SCALEN                 )        /*!< Comparator input minus connected to VrefInt */
204 #define COMP_INPUT_MINUS_DAC1_CH1      (COMP_CSR_INMSEL_2                                        )                                           /*!< Comparator input minus connected to DAC1 channel 1 (DAC_OUT1) */
205 #define COMP_INPUT_MINUS_DAC1_CH2      (COMP_CSR_INMSEL_2                     | COMP_CSR_INMSEL_0)                                           /*!< Comparator input minus connected to DAC1 channel 2 (DAC_OUT2) */
206 #define COMP_INPUT_MINUS_IO1           (COMP_CSR_INMSEL_2 | COMP_CSR_INMSEL_1                    )                                           /*!< Comparator input minus connected to IO1 (pin PB1 for COMP1, pin PB3 for COMP2) */
207 #define COMP_INPUT_MINUS_IO2           (COMP_CSR_INMSEL_2 | COMP_CSR_INMSEL_1 | COMP_CSR_INMSEL_0)                                           /*!< Comparator input minus connected to IO2 (pin PC4 for COMP1, pin PB7 for COMP2) */
208 /**
209   * @}
210   */
211 
212 /** @defgroup COMP_Hysteresis COMP hysteresis
213   * @{
214   */
215 #define COMP_HYSTERESIS_NONE           (0x00000000UL)                       /*!< No hysteresis */
216 #define COMP_HYSTERESIS_LOW            (                  COMP_CSR_HYST_0)  /*!< Hysteresis level low */
217 #define COMP_HYSTERESIS_MEDIUM         (COMP_CSR_HYST_1                  )  /*!< Hysteresis level medium */
218 #define COMP_HYSTERESIS_HIGH           (COMP_CSR_HYST_1 | COMP_CSR_HYST_0)  /*!< Hysteresis level high */
219 /**
220   * @}
221   */
222 
223 /** @defgroup COMP_OutputPolarity COMP output Polarity
224   * @{
225   */
226 #define COMP_OUTPUTPOL_NONINVERTED     (0x00000000UL)         /*!< COMP output level is not inverted (comparator output is high when the input plus is at a higher voltage than the input minus) */
227 #define COMP_OUTPUTPOL_INVERTED        (COMP_CSR_POLARITY)    /*!< COMP output level is inverted     (comparator output is low  when the input plus is at a higher voltage than the input minus) */
228 /**
229   * @}
230   */
231 
232 /** @defgroup COMP_BlankingSrce  COMP blanking source
233   * @{
234   */
235 #define COMP_BLANKINGSRC_NONE            (0x00000000UL)          /*!<Comparator output without blanking */
236 #define COMP_BLANKINGSRC_TIM1_OC5_COMP1  (COMP_CSR_BLANKING_0)   /*!< Comparator output blanking source TIM1 OC5 (specific to COMP instance: COMP1) */
237 #define COMP_BLANKINGSRC_TIM2_OC3_COMP1  (COMP_CSR_BLANKING_1)   /*!< Comparator output blanking source TIM2 OC3 (specific to COMP instance: COMP1) */
238 #define COMP_BLANKINGSRC_TIM3_OC3_COMP1  (COMP_CSR_BLANKING_2)   /*!< Comparator output blanking source TIM3 OC3 (specific to COMP instance: COMP1) */
239 #define COMP_BLANKINGSRC_TIM3_OC4_COMP2  (COMP_CSR_BLANKING_0)   /*!< Comparator output blanking source TIM3 OC4 (specific to COMP instance: COMP2) */
240 #define COMP_BLANKINGSRC_TIM8_OC5_COMP2  (COMP_CSR_BLANKING_1)   /*!< Comparator output blanking source TIM8 OC5 (specific to COMP instance: COMP2) */
241 #define COMP_BLANKINGSRC_TIM15_OC1_COMP2 (COMP_CSR_BLANKING_2)   /*!< Comparator output blanking source TIM15 OC1 (specific to COMP instance: COMP2) */
242 /**
243   * @}
244   */
245 
246 /** @defgroup COMP_OutputLevel COMP Output Level
247   * @{
248   */
249 /* Note: Comparator output level values are fixed to "0" and "1",             */
250 /* corresponding COMP register bit is managed by HAL function to match        */
251 /* with these values (independently of bit position in register).             */
252 
253 /* When output polarity is not inverted, comparator output is low when
254    the input plus is at a lower voltage than the input minus */
255 #define COMP_OUTPUT_LEVEL_LOW              (0x00000000UL)
256 /* When output polarity is not inverted, comparator output is high when
257    the input plus is at a higher voltage than the input minus */
258 #define COMP_OUTPUT_LEVEL_HIGH             (0x00000001UL)
259 /**
260   * @}
261   */
262 
263 /** @defgroup COMP_EXTI_TriggerMode COMP output to EXTI
264   * @{
265   */
266 #define COMP_TRIGGERMODE_NONE                 (0x00000000UL)                                            /*!< Comparator output triggering no External Interrupt Line */
267 #define COMP_TRIGGERMODE_IT_RISING            (COMP_EXTI_IT | COMP_EXTI_RISING)                         /*!< Comparator output triggering External Interrupt Line event with interruption, on rising edge */
268 #define COMP_TRIGGERMODE_IT_FALLING           (COMP_EXTI_IT | COMP_EXTI_FALLING)                        /*!< Comparator output triggering External Interrupt Line event with interruption, on falling edge */
269 #define COMP_TRIGGERMODE_IT_RISING_FALLING    (COMP_EXTI_IT | COMP_EXTI_RISING | COMP_EXTI_FALLING)     /*!< Comparator output triggering External Interrupt Line event with interruption, on both rising and falling edges */
270 #define COMP_TRIGGERMODE_EVENT_RISING         (COMP_EXTI_EVENT | COMP_EXTI_RISING)                      /*!< Comparator output triggering External Interrupt Line event only (without interruption), on rising edge */
271 #define COMP_TRIGGERMODE_EVENT_FALLING        (COMP_EXTI_EVENT | COMP_EXTI_FALLING)                     /*!< Comparator output triggering External Interrupt Line event only (without interruption), on falling edge */
272 #define COMP_TRIGGERMODE_EVENT_RISING_FALLING (COMP_EXTI_EVENT | COMP_EXTI_RISING | COMP_EXTI_FALLING)  /*!< Comparator output triggering External Interrupt Line event only (without interruption), on both rising and falling edges */
273 /**
274   * @}
275   */
276 
277 /**
278   * @}
279   */
280 
281 /* Exported macro ------------------------------------------------------------*/
282 /** @defgroup COMP_Exported_Macros COMP Exported Macros
283   * @{
284   */
285 
286 /** @defgroup COMP_Handle_Management  COMP Handle Management
287   * @{
288   */
289 
290 /** @brief  Reset COMP handle state.
291   * @param  __HANDLE__  COMP handle
292   * @retval None
293   */
294 #if (USE_HAL_COMP_REGISTER_CALLBACKS == 1)
295 #define __HAL_COMP_RESET_HANDLE_STATE(__HANDLE__) do{                                                  \
296                                                       (__HANDLE__)->State = HAL_COMP_STATE_RESET;      \
297                                                       (__HANDLE__)->MspInitCallback = NULL;            \
298                                                       (__HANDLE__)->MspDeInitCallback = NULL;          \
299                                                     } while(0)
300 #else
301 #define __HAL_COMP_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_COMP_STATE_RESET)
302 #endif /* USE_HAL_COMP_REGISTER_CALLBACKS */
303 
304 /**
305   * @brief Clear COMP error code (set it to no error code "HAL_COMP_ERROR_NONE").
306   * @param __HANDLE__ COMP handle
307   * @retval None
308   */
309 #define COMP_CLEAR_ERRORCODE(__HANDLE__) ((__HANDLE__)->ErrorCode = HAL_COMP_ERROR_NONE)
310 
311 /**
312   * @brief  Enable the specified comparator.
313   * @param  __HANDLE__  COMP handle
314   * @retval None
315   */
316 #define __HAL_COMP_ENABLE(__HANDLE__)       SET_BIT((__HANDLE__)->Instance->CSR, COMP_CSR_EN)
317 
318 /**
319   * @brief  Disable the specified comparator.
320   * @param  __HANDLE__  COMP handle
321   * @retval None
322   */
323 #define __HAL_COMP_DISABLE(__HANDLE__)      CLEAR_BIT((__HANDLE__)->Instance->CSR, COMP_CSR_EN)
324 
325 /**
326   * @brief  Lock the specified comparator configuration.
327   * @note   Using this macro induce HAL COMP handle state machine being no
328   *         more in line with COMP instance state.
329   *         To keep HAL COMP handle state machine updated, it is recommended
330   *         to use function "HAL_COMP_Lock')".
331   * @param  __HANDLE__  COMP handle
332   * @retval None
333   */
334 #define __HAL_COMP_LOCK(__HANDLE__)         SET_BIT((__HANDLE__)->Instance->CSR, COMP_CSR_LOCK)
335 
336 /**
337   * @brief  Check whether the specified comparator is locked.
338   * @param  __HANDLE__  COMP handle
339   * @retval Value 0 if COMP instance is not locked, value 1 if COMP instance is locked
340   */
341 #define __HAL_COMP_IS_LOCKED(__HANDLE__)    (READ_BIT((__HANDLE__)->Instance->CSR, COMP_CSR_LOCK) == COMP_CSR_LOCK)
342 
343 /**
344   * @}
345   */
346 
347 /** @defgroup COMP_Exti_Management  COMP external interrupt line management
348   * @{
349   */
350 /**
351   * @brief  Enable the COMP1 EXTI line rising edge trigger.
352   * @retval None
353   */
354 #define __HAL_COMP_COMP1_EXTI_ENABLE_RISING_EDGE()    LL_EXTI_EnableRisingTrig_0_31(COMP_EXTI_LINE_COMP1)
355 
356 /**
357   * @brief  Disable the COMP1 EXTI line rising edge trigger.
358   * @retval None
359   */
360 #define __HAL_COMP_COMP1_EXTI_DISABLE_RISING_EDGE()   LL_EXTI_DisableRisingTrig_0_31(COMP_EXTI_LINE_COMP1)
361 
362 /**
363   * @brief  Enable the COMP1 EXTI line falling edge trigger.
364   * @retval None
365   */
366 #define __HAL_COMP_COMP1_EXTI_ENABLE_FALLING_EDGE()   LL_EXTI_EnableFallingTrig_0_31(COMP_EXTI_LINE_COMP1)
367 
368 /**
369   * @brief  Disable the COMP1 EXTI line falling edge trigger.
370   * @retval None
371   */
372 #define __HAL_COMP_COMP1_EXTI_DISABLE_FALLING_EDGE()  LL_EXTI_DisableFallingTrig_0_31(COMP_EXTI_LINE_COMP1)
373 
374 /**
375   * @brief  Enable the COMP1 EXTI line rising & falling edge trigger.
376   * @retval None
377   */
378 #define __HAL_COMP_COMP1_EXTI_ENABLE_RISING_FALLING_EDGE() do {                                                        \
379                                                                 LL_EXTI_EnableRisingTrig_0_31(COMP_EXTI_LINE_COMP1);   \
380                                                                 LL_EXTI_EnableFallingTrig_0_31(COMP_EXTI_LINE_COMP1);  \
381                                                               } while(0)
382 
383 /**
384   * @brief  Disable the COMP1 EXTI line rising & falling edge trigger.
385   * @retval None
386   */
387 #define __HAL_COMP_COMP1_EXTI_DISABLE_RISING_FALLING_EDGE() do {                                                       \
388                                                                  LL_EXTI_DisableRisingTrig_0_31(COMP_EXTI_LINE_COMP1); \
389                                                                  LL_EXTI_DisableFallingTrig_0_31(COMP_EXTI_LINE_COMP1);\
390                                                                } while(0)
391 
392 /**
393   * @brief  Enable the COMP1 EXTI line in interrupt mode.
394   * @retval None
395   */
396 #define __HAL_COMP_COMP1_EXTI_ENABLE_IT()             LL_EXTI_EnableIT_0_31(COMP_EXTI_LINE_COMP1)
397 
398 /**
399   * @brief  Disable the COMP1 EXTI line in interrupt mode.
400   * @retval None
401   */
402 #define __HAL_COMP_COMP1_EXTI_DISABLE_IT()            LL_EXTI_DisableIT_0_31(COMP_EXTI_LINE_COMP1)
403 
404 /**
405   * @brief  Generate a software interrupt on the COMP1 EXTI line.
406   * @retval None
407   */
408 #define __HAL_COMP_COMP1_EXTI_GENERATE_SWIT()         LL_EXTI_GenerateSWI_0_31(COMP_EXTI_LINE_COMP1)
409 
410 /**
411   * @brief  Enable the COMP1 EXTI line in event mode.
412   * @retval None
413   */
414 #define __HAL_COMP_COMP1_EXTI_ENABLE_EVENT()          LL_EXTI_EnableEvent_0_31(COMP_EXTI_LINE_COMP1)
415 
416 /**
417   * @brief  Disable the COMP1 EXTI line in event mode.
418   * @retval None
419   */
420 #define __HAL_COMP_COMP1_EXTI_DISABLE_EVENT()         LL_EXTI_DisableEvent_0_31(COMP_EXTI_LINE_COMP1)
421 
422 /**
423   * @brief  Check whether the COMP1 EXTI line rising flag is set.
424   * @retval RESET or SET
425   */
426 #define __HAL_COMP_COMP1_EXTI_GET_RISING_FLAG()       LL_EXTI_IsActiveRisingFlag_0_31(COMP_EXTI_LINE_COMP1)
427 
428 /**
429   * @brief  Clear the COMP1 EXTI rising flag.
430   * @retval None
431   */
432 #define __HAL_COMP_COMP1_EXTI_CLEAR_RISING_FLAG()     LL_EXTI_ClearRisingFlag_0_31(COMP_EXTI_LINE_COMP1)
433 
434 /**
435   * @brief  Check whether the COMP1 EXTI line falling flag is set.
436   * @retval RESET or SET
437   */
438 #define __HAL_COMP_COMP1_EXTI_GET_FALLING_FLAG()      LL_EXTI_IsActiveFallingFlag_0_31(COMP_EXTI_LINE_COMP1)
439 
440 /**
441   * @brief  Clear the COMP1 EXTI falling flag.
442   * @retval None
443   */
444 #define __HAL_COMP_COMP1_EXTI_CLEAR_FALLING_FLAG()    LL_EXTI_ClearFallingFlag_0_31(COMP_EXTI_LINE_COMP1)
445 
446 /**
447   * @brief  Enable the COMP2 EXTI line rising edge trigger.
448   * @retval None
449   */
450 #define __HAL_COMP_COMP2_EXTI_ENABLE_RISING_EDGE()    LL_EXTI_EnableRisingTrig_0_31(COMP_EXTI_LINE_COMP2)
451 
452 /**
453   * @brief  Disable the COMP2 EXTI line rising edge trigger.
454   * @retval None
455   */
456 #define __HAL_COMP_COMP2_EXTI_DISABLE_RISING_EDGE()   LL_EXTI_DisableRisingTrig_0_31(COMP_EXTI_LINE_COMP2)
457 
458 /**
459   * @brief  Enable the COMP2 EXTI line falling edge trigger.
460   * @retval None
461   */
462 #define __HAL_COMP_COMP2_EXTI_ENABLE_FALLING_EDGE()   LL_EXTI_EnableFallingTrig_0_31(COMP_EXTI_LINE_COMP2)
463 
464 /**
465   * @brief  Disable the COMP2 EXTI line falling edge trigger.
466   * @retval None
467   */
468 #define __HAL_COMP_COMP2_EXTI_DISABLE_FALLING_EDGE()  LL_EXTI_DisableFallingTrig_0_31(COMP_EXTI_LINE_COMP2)
469 
470 /**
471   * @brief  Enable the COMP2 EXTI line rising & falling edge trigger.
472   * @retval None
473   */
474 #define __HAL_COMP_COMP2_EXTI_ENABLE_RISING_FALLING_EDGE() do {                                                        \
475                                                                 LL_EXTI_EnableRisingTrig_0_31(COMP_EXTI_LINE_COMP2);   \
476                                                                 LL_EXTI_EnableFallingTrig_0_31(COMP_EXTI_LINE_COMP2);  \
477                                                               } while(0)
478 
479 /**
480   * @brief  Disable the COMP2 EXTI line rising & falling edge trigger.
481   * @retval None
482   */
483 #define __HAL_COMP_COMP2_EXTI_DISABLE_RISING_FALLING_EDGE() do {                                                       \
484                                                                  LL_EXTI_DisableRisingTrig_0_31(COMP_EXTI_LINE_COMP2); \
485                                                                  LL_EXTI_DisableFallingTrig_0_31(COMP_EXTI_LINE_COMP2);\
486                                                                } while(0)
487 
488 /**
489   * @brief  Enable the COMP2 EXTI line in interrupt mode.
490   * @retval None
491   */
492 #define __HAL_COMP_COMP2_EXTI_ENABLE_IT()             LL_EXTI_EnableIT_0_31(COMP_EXTI_LINE_COMP2)
493 
494 /**
495   * @brief  Disable the COMP2 EXTI line in interrupt mode.
496   * @retval None
497   */
498 #define __HAL_COMP_COMP2_EXTI_DISABLE_IT()            LL_EXTI_DisableIT_0_31(COMP_EXTI_LINE_COMP2)
499 
500 /**
501   * @brief  Generate a software interrupt on the COMP2 EXTI line.
502   * @retval None
503   */
504 #define __HAL_COMP_COMP2_EXTI_GENERATE_SWIT()         LL_EXTI_GenerateSWI_0_31(COMP_EXTI_LINE_COMP2)
505 
506 /**
507   * @brief  Enable the COMP2 EXTI line in event mode.
508   * @retval None
509   */
510 #define __HAL_COMP_COMP2_EXTI_ENABLE_EVENT()          LL_EXTI_EnableEvent_0_31(COMP_EXTI_LINE_COMP2)
511 
512 /**
513   * @brief  Disable the COMP2 EXTI line in event mode.
514   * @retval None
515   */
516 #define __HAL_COMP_COMP2_EXTI_DISABLE_EVENT()         LL_EXTI_DisableEvent_0_31(COMP_EXTI_LINE_COMP2)
517 
518 /**
519   * @brief  Check whether the COMP2 EXTI line rising flag is set.
520   * @retval RESET or SET
521   */
522 #define __HAL_COMP_COMP2_EXTI_GET_RISING_FLAG()       LL_EXTI_IsActiveRisingFlag_0_31(COMP_EXTI_LINE_COMP2)
523 
524 /**
525   * @brief  Clear the COMP2 EXTI rising flag.
526   * @retval None
527   */
528 #define __HAL_COMP_COMP2_EXTI_CLEAR_RISING_FLAG()     LL_EXTI_ClearRisingFlag_0_31(COMP_EXTI_LINE_COMP2)
529 
530 /**
531   * @brief  Check whether the COMP2 EXTI line falling flag is set.
532   * @retval RESET or SET
533   */
534 #define __HAL_COMP_COMP2_EXTI_GET_FALLING_FLAG()      LL_EXTI_IsActiveFallingFlag_0_31(COMP_EXTI_LINE_COMP2)
535 
536 /**
537   * @brief  Clear the COMP2 EXTI falling flag.
538   * @retval None
539   */
540 #define __HAL_COMP_COMP2_EXTI_CLEAR_FALLING_FLAG()    LL_EXTI_ClearFallingFlag_0_31(COMP_EXTI_LINE_COMP2)
541 
542 /**
543   * @}
544   */
545 
546 /**
547   * @}
548   */
549 
550 
551 /* Private types -------------------------------------------------------------*/
552 /* Private constants ---------------------------------------------------------*/
553 /** @defgroup COMP_Private_Constants COMP Private Constants
554   * @{
555   */
556 
557 /** @defgroup COMP_ExtiLine COMP EXTI Lines
558   * @{
559   */
560 #define COMP_EXTI_LINE_COMP1           (LL_EXTI_LINE_21)  /*!< EXTI line 21 connected to COMP1 output */
561 #define COMP_EXTI_LINE_COMP2           (LL_EXTI_LINE_22)  /*!< EXTI line 22 connected to COMP2 output */
562 /**
563   * @}
564   */
565 
566 /** @defgroup COMP_ExtiLine COMP EXTI Lines
567   * @{
568   */
569 #define COMP_EXTI_IT                        (0x00000001UL)  /*!< EXTI line event with interruption */
570 #define COMP_EXTI_EVENT                     (0x00000002UL)  /*!< EXTI line event only (without interruption) */
571 #define COMP_EXTI_RISING                    (0x00000010UL)  /*!< EXTI line event on rising edge */
572 #define COMP_EXTI_FALLING                   (0x00000020UL)  /*!< EXTI line event on falling edge */
573 /**
574   * @}
575   */
576 
577 /**
578   * @}
579   */
580 
581 /* Private macros ------------------------------------------------------------*/
582 /** @defgroup COMP_Private_Macros COMP Private Macros
583   * @{
584   */
585 
586 /** @defgroup COMP_GET_EXTI_LINE COMP private macros to get EXTI line associated with comparators
587   * @{
588   */
589 /**
590   * @brief  Get the specified EXTI line for a comparator instance.
591   * @param  __INSTANCE__  specifies the COMP instance.
592   * @retval value of @ref COMP_ExtiLine
593   */
594 #define COMP_GET_EXTI_LINE(__INSTANCE__)    (((__INSTANCE__) == COMP1) ? COMP_EXTI_LINE_COMP1  \
595                                              : COMP_EXTI_LINE_COMP2)
596 /**
597   * @}
598   */
599 
600 /** @defgroup COMP_IS_COMP_Private_Definitions COMP private macros to check input parameters
601   * @{
602   */
603 #define IS_COMP_WINDOWMODE(__WINDOWMODE__)  (((__WINDOWMODE__) == COMP_WINDOWMODE_DISABLE)                || \
604                                              ((__WINDOWMODE__) == COMP_WINDOWMODE_COMP1_INPUT_PLUS_COMMON)  )
605 
606 #define IS_COMP_POWERMODE(__POWERMODE__)    (((__POWERMODE__) == COMP_POWERMODE_HIGHSPEED)    || \
607                                              ((__POWERMODE__) == COMP_POWERMODE_MEDIUMSPEED)  || \
608                                              ((__POWERMODE__) == COMP_POWERMODE_ULTRALOWPOWER)  )
609 
610 #define IS_COMP_INPUT_PLUS(__COMP_INSTANCE__, __INPUT_PLUS__) ((__COMP_INSTANCE__ == COMP1)                     \
611                                                                ? (((__INPUT_PLUS__) == COMP_INPUT_PLUS_IO1) ||  \
612                                                                   ((__INPUT_PLUS__) == COMP_INPUT_PLUS_IO2) ||  \
613                                                                   ((__INPUT_PLUS__) == COMP_INPUT_PLUS_IO3)   ) \
614                                                                :                                                \
615                                                                (((__INPUT_PLUS__) == COMP_INPUT_PLUS_IO1) ||    \
616                                                                 ((__INPUT_PLUS__) == COMP_INPUT_PLUS_IO2)   )   \
617                                                               )
618 
619 /* Note: On this STM32 series, comparator input minus parameters are          */
620 /*       the same on all COMP instances.                                      */
621 /*       However, comparator instance kept as macro parameter for             */
622 /*       compatibility with other STM32 series.                               */
623 #define IS_COMP_INPUT_MINUS(__COMP_INSTANCE__, __INPUT_MINUS__) (((__INPUT_MINUS__) == COMP_INPUT_MINUS_1_4VREFINT)  || \
624                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_1_2VREFINT)  || \
625                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_3_4VREFINT)  || \
626                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_VREFINT)     || \
627                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_DAC1_CH1)    || \
628                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_DAC1_CH2)    || \
629                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO1)         || \
630                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO2))
631 
632 #define IS_COMP_HYSTERESIS(__HYSTERESIS__)  (((__HYSTERESIS__) == COMP_HYSTERESIS_NONE)   || \
633                                              ((__HYSTERESIS__) == COMP_HYSTERESIS_LOW)    || \
634                                              ((__HYSTERESIS__) == COMP_HYSTERESIS_MEDIUM) || \
635                                              ((__HYSTERESIS__) == COMP_HYSTERESIS_HIGH))
636 
637 #define IS_COMP_OUTPUTPOL(__POL__)          (((__POL__) == COMP_OUTPUTPOL_NONINVERTED) || \
638                                              ((__POL__) == COMP_OUTPUTPOL_INVERTED))
639 
640 #define IS_COMP_BLANKINGSRCE(__OUTPUT_BLANKING_SOURCE__)                    \
641   (((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_NONE)                  \
642    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM1_OC5_COMP1)     \
643    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM2_OC3_COMP1)     \
644    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM3_OC3_COMP1)     \
645    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM3_OC4_COMP2)     \
646    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM8_OC5_COMP2)     \
647    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM15_OC1_COMP2)    \
648   )
649 
650 #define IS_COMP_BLANKINGSRC_INSTANCE(__INSTANCE__, __OUTPUT_BLANKING_SOURCE__)  \
651   ((((__INSTANCE__) == COMP1) &&                                                \
652     (((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_NONE)            ||      \
653      ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM1_OC5_COMP1)  ||      \
654      ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM2_OC3_COMP1)  ||      \
655      ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM3_OC3_COMP1)))        \
656    ||                                                                           \
657    (((__INSTANCE__) == COMP2) &&                                                \
658     (((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_NONE)           ||       \
659      ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM3_OC4_COMP2) ||       \
660      ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM8_OC5_COMP2) ||       \
661      ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM15_OC1_COMP2))))
662 
663 
664 #define IS_COMP_TRIGGERMODE(__MODE__)       (((__MODE__) == COMP_TRIGGERMODE_NONE)                 || \
665                                              ((__MODE__) == COMP_TRIGGERMODE_IT_RISING)            || \
666                                              ((__MODE__) == COMP_TRIGGERMODE_IT_FALLING)           || \
667                                              ((__MODE__) == COMP_TRIGGERMODE_IT_RISING_FALLING)    || \
668                                              ((__MODE__) == COMP_TRIGGERMODE_EVENT_RISING)         || \
669                                              ((__MODE__) == COMP_TRIGGERMODE_EVENT_FALLING)        || \
670                                              ((__MODE__) == COMP_TRIGGERMODE_EVENT_RISING_FALLING))
671 
672 #define IS_COMP_OUTPUT_LEVEL(__OUTPUT_LEVEL__) (((__OUTPUT_LEVEL__) == COMP_OUTPUT_LEVEL_LOW)     || \
673                                                 ((__OUTPUT_LEVEL__) == COMP_OUTPUT_LEVEL_HIGH))
674 
675 /**
676   * @}
677   */
678 
679 /**
680   * @}
681   */
682 
683 
684 /* Exported functions --------------------------------------------------------*/
685 /** @addtogroup COMP_Exported_Functions
686   * @{
687   */
688 
689 /** @addtogroup COMP_Exported_Functions_Group1
690   * @{
691   */
692 
693 /* Initialization and de-initialization functions  **********************************/
694 HAL_StatusTypeDef HAL_COMP_Init(COMP_HandleTypeDef *hcomp);
695 HAL_StatusTypeDef HAL_COMP_DeInit(COMP_HandleTypeDef *hcomp);
696 void              HAL_COMP_MspInit(COMP_HandleTypeDef *hcomp);
697 void              HAL_COMP_MspDeInit(COMP_HandleTypeDef *hcomp);
698 
699 #if (USE_HAL_COMP_REGISTER_CALLBACKS == 1)
700 /* Callbacks Register/UnRegister functions  ***********************************/
701 HAL_StatusTypeDef HAL_COMP_RegisterCallback(COMP_HandleTypeDef *hcomp, HAL_COMP_CallbackIDTypeDef CallbackID,
702                                             pCOMP_CallbackTypeDef pCallback);
703 HAL_StatusTypeDef HAL_COMP_UnRegisterCallback(COMP_HandleTypeDef *hcomp, HAL_COMP_CallbackIDTypeDef CallbackID);
704 #endif /* USE_HAL_COMP_REGISTER_CALLBACKS */
705 /**
706   * @}
707   */
708 
709 /* IO operation functions  *****************************************************/
710 /** @addtogroup COMP_Exported_Functions_Group2
711   * @{
712   */
713 HAL_StatusTypeDef HAL_COMP_Start(COMP_HandleTypeDef *hcomp);
714 HAL_StatusTypeDef HAL_COMP_Stop(COMP_HandleTypeDef *hcomp);
715 void              HAL_COMP_IRQHandler(COMP_HandleTypeDef *hcomp);
716 /**
717   * @}
718   */
719 
720 /* Peripheral Control functions  ************************************************/
721 /** @addtogroup COMP_Exported_Functions_Group3
722   * @{
723   */
724 HAL_StatusTypeDef HAL_COMP_Lock(COMP_HandleTypeDef *hcomp);
725 uint32_t          HAL_COMP_GetOutputLevel(const COMP_HandleTypeDef *hcomp);
726 /* Callback in interrupt mode */
727 void              HAL_COMP_TriggerCallback(COMP_HandleTypeDef *hcomp);
728 /**
729   * @}
730   */
731 
732 /* Peripheral State functions  **************************************************/
733 /** @addtogroup COMP_Exported_Functions_Group4
734   * @{
735   */
736 HAL_COMP_StateTypeDef HAL_COMP_GetState(const COMP_HandleTypeDef *hcomp);
737 uint32_t              HAL_COMP_GetError(const COMP_HandleTypeDef *hcomp);
738 /**
739   * @}
740   */
741 
742 /**
743   * @}
744   */
745 
746 /**
747   * @}
748   */
749 #endif /* COMP1 || COMP2 */
750 /**
751   * @}
752   */
753 
754 #ifdef __cplusplus
755 }
756 #endif
757 
758 #endif /* STM32L5xx_HAL_COMP_H */
759