1 /**
2   ******************************************************************************
3   * @file    stm32wbxx_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 STM32WBxx_HAL_COMP_H
21 #define STM32WBxx_HAL_COMP_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32wbxx_hal_def.h"
29 #include "stm32wbxx_ll_exti.h"
30 
31 /** @addtogroup STM32WBxx_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 #if defined(COMP2)
52   uint32_t WindowMode;         /*!< Set window mode of a pair of comparators instances
53                                     (2 consecutive instances odd and even COMP<x> and COMP<x+1>).
54                                     Note: HAL COMP driver allows to set window mode from any COMP
55                                     instance of the pair of COMP instances composing window mode.
56                                     This parameter can be a value of @ref COMP_WindowMode */
57 #endif /* COMP2 */
58 
59   uint32_t Mode;               /*!< Set comparator operating mode to adjust power and speed.
60                                     Note: For the characteristics of comparator power modes
61                                           (propagation delay and power consumption), refer to device datasheet.
62                                     This parameter can be a value of @ref COMP_PowerMode */
63 
64   uint32_t InputPlus;          /*!< Set comparator input plus (non-inverting input).
65                                     This parameter can be a value of @ref COMP_InputPlus */
66 
67   uint32_t InputMinus;         /*!< Set comparator input minus (inverting input).
68                                     This parameter can be a value of @ref COMP_InputMinus */
69 
70   uint32_t Hysteresis;         /*!< Set comparator hysteresis mode of the input minus.
71                                     This parameter can be a value of @ref COMP_Hysteresis */
72 
73   uint32_t OutputPol;          /*!< Set comparator output polarity.
74                                     This parameter can be a value of @ref COMP_OutputPolarity */
75 
76   uint32_t BlankingSrce;       /*!< Set comparator blanking source.
77                                     This parameter can be a value of @ref COMP_BlankingSrce */
78 
79   uint32_t TriggerMode;        /*!< Set the comparator output triggering External Interrupt Line (EXTI).
80                                     This parameter can be a value of @ref COMP_EXTI_TriggerMode */
81 
82 } COMP_InitTypeDef;
83 
84 /**
85   * @brief  HAL COMP state machine: HAL COMP states definition
86   */
87 #define COMP_STATE_BITFIELD_LOCK  (0x10U)
88 typedef enum
89 {
90   HAL_COMP_STATE_RESET             = 0x00U,                                             /*!< COMP not yet initialized                             */
91   HAL_COMP_STATE_RESET_LOCKED      = (HAL_COMP_STATE_RESET | COMP_STATE_BITFIELD_LOCK), /*!< COMP not yet initialized and configuration is locked */
92   HAL_COMP_STATE_READY             = 0x01U,                                             /*!< COMP initialized and ready for use                   */
93   HAL_COMP_STATE_READY_LOCKED      = (HAL_COMP_STATE_READY | COMP_STATE_BITFIELD_LOCK), /*!< COMP initialized but configuration is locked         */
94   HAL_COMP_STATE_BUSY              = 0x02U,                                             /*!< COMP is running                                      */
95   HAL_COMP_STATE_BUSY_LOCKED       = (HAL_COMP_STATE_BUSY | COMP_STATE_BITFIELD_LOCK)   /*!< COMP is running and configuration is locked          */
96 } HAL_COMP_StateTypeDef;
97 
98 /**
99   * @brief  COMP Handle Structure definition
100   */
101 #if (USE_HAL_COMP_REGISTER_CALLBACKS == 1)
102 typedef struct __COMP_HandleTypeDef
103 #else
104 typedef struct
105 #endif /* USE_HAL_COMP_REGISTER_CALLBACKS */
106 {
107   COMP_TypeDef       *Instance;       /*!< Register base address    */
108   COMP_InitTypeDef   Init;            /*!< COMP required parameters */
109   HAL_LockTypeDef    Lock;            /*!< Locking object           */
110   __IO HAL_COMP_StateTypeDef  State;  /*!< COMP communication state */
111   __IO uint32_t      ErrorCode;       /*!< COMP error code */
112 #if (USE_HAL_COMP_REGISTER_CALLBACKS == 1)
113   void (* TriggerCallback)(struct __COMP_HandleTypeDef *hcomp);   /*!< COMP trigger callback */
114   void (* MspInitCallback)(struct __COMP_HandleTypeDef *hcomp);   /*!< COMP Msp Init callback */
115   void (* MspDeInitCallback)(struct __COMP_HandleTypeDef *hcomp); /*!< COMP Msp DeInit callback */
116 #endif /* USE_HAL_COMP_REGISTER_CALLBACKS */
117 } COMP_HandleTypeDef;
118 
119 #if (USE_HAL_COMP_REGISTER_CALLBACKS == 1)
120 /**
121   * @brief  HAL COMP Callback ID enumeration definition
122   */
123 typedef enum
124 {
125   HAL_COMP_TRIGGER_CB_ID                = 0x00U,  /*!< COMP trigger callback ID */
126   HAL_COMP_MSPINIT_CB_ID                = 0x01U,  /*!< COMP Msp Init callback ID */
127   HAL_COMP_MSPDEINIT_CB_ID              = 0x02U   /*!< COMP Msp DeInit callback ID */
128 } HAL_COMP_CallbackIDTypeDef;
129 
130 /**
131   * @brief  HAL COMP Callback pointer definition
132   */
133 typedef  void (*pCOMP_CallbackTypeDef)(COMP_HandleTypeDef *hcomp); /*!< pointer to a COMP callback function */
134 
135 #endif /* USE_HAL_COMP_REGISTER_CALLBACKS */
136 
137 /**
138   * @}
139   */
140 
141 /* Exported constants --------------------------------------------------------*/
142 /** @defgroup COMP_Exported_Constants COMP Exported Constants
143   * @{
144   */
145 
146 /** @defgroup COMP_Error_Code COMP Error Code
147   * @{
148   */
149 #define HAL_COMP_ERROR_NONE             (0x00UL)  /*!< No error */
150 #if (USE_HAL_COMP_REGISTER_CALLBACKS == 1)
151 #define HAL_COMP_ERROR_INVALID_CALLBACK (0x01UL)  /*!< Invalid Callback error */
152 #endif /* USE_HAL_COMP_REGISTER_CALLBACKS */
153 /**
154   * @}
155   */
156 
157 
158 #if defined(COMP2)
159 /** @defgroup COMP_WindowMode COMP Window Mode
160   * @{
161   */
162 #define COMP_WINDOWMODE_DISABLE                 (0x00000000UL)            /*!< Window mode disable: Comparators
163                                                                                instances pair COMP1 and COMP2 are
164                                                                                independent */
165 #define COMP_WINDOWMODE_COMP1_INPUT_PLUS_COMMON (COMP_CSR_WINMODE)        /*!< Window mode enable: Comparators instances
166                                                                                pair COMP1 and COMP2 have their input
167                                                                                plus connected together.
168                                                                                The common input is COMP1 input plus
169                                                                                (COMP2 input plus is no more accessible).
170                                                                                */
171 /**
172   * @}
173   */
174 #endif /* COMP2 */
175 
176 
177 
178 /** @defgroup COMP_PowerMode COMP power mode
179   * @{
180   */
181 /* Note: For the characteristics of comparator power modes                    */
182 /*       (propagation delay and power consumption),                           */
183 /*       refer to device datasheet.                                           */
184 #define COMP_POWERMODE_HIGHSPEED       (0x00000000UL)         /*!< High Speed */
185 #define COMP_POWERMODE_MEDIUMSPEED     (COMP_CSR_PWRMODE_0)   /*!< Medium Speed */
186 #define COMP_POWERMODE_ULTRALOWPOWER   (COMP_CSR_PWRMODE)     /*!< Ultra-low power mode */
187 /**
188   * @}
189   */
190 
191 /** @defgroup COMP_InputPlus COMP input plus (non-inverting input)
192   * @{
193   */
194 #if defined(STM32WB15xx) || defined(STM32WB10xx) || defined(STM32WB1Mxx)
195 /* COMP_INPUT_PLUS_IO1 not available on this device */
196 #else
197 #define COMP_INPUT_PLUS_IO1            (0x00000000UL)         /*!< Comparator input plus connected to IO1 (pin PC5 for COMP1 (except device STM32WB35xx), pin PB4 for COMP2). Note: On STM32WB series, parameter not available on devices: STM32WB10xx, STM32WB15xx, STM32WB1Mxx. */
198 #endif
199 #define COMP_INPUT_PLUS_IO2            (COMP_CSR_INPSEL_0)    /*!< Comparator input plus connected to IO2 (pin PB2 for COMP1, pin PB6 for COMP2) */
200 #define COMP_INPUT_PLUS_IO3            (COMP_CSR_INPSEL_1)    /*!< Comparator input plus connected to IO3 (pin PA1 for COMP1, pin PA3 for COMP2) */
201 /**
202   * @}
203   */
204 
205 /** @defgroup COMP_InputMinus COMP input minus (inverting input)
206   * @{
207   */
208 #define COMP_INPUT_MINUS_1_4VREFINT    (                                                            COMP_CSR_SCALEN | COMP_CSR_BRGEN)        /*!< Comparator input minus connected to 1/4 VrefInt */
209 #define COMP_INPUT_MINUS_1_2VREFINT    (                                        COMP_CSR_INMSEL_0 | COMP_CSR_SCALEN | COMP_CSR_BRGEN)        /*!< Comparator input minus connected to 1/2 VrefInt */
210 #define COMP_INPUT_MINUS_3_4VREFINT    (                    COMP_CSR_INMSEL_1                     | COMP_CSR_SCALEN | COMP_CSR_BRGEN)        /*!< Comparator input minus connected to 3/4 VrefInt */
211 #define COMP_INPUT_MINUS_VREFINT       (                    COMP_CSR_INMSEL_1 | COMP_CSR_INMSEL_0 | COMP_CSR_SCALEN                 )        /*!< Comparator input minus connected to VrefInt */
212 #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) */
213 #if defined(STM32WB15xx) || defined(STM32WB10xx) || defined(STM32WB1Mxx)
214 /* COMP_INPUT_MINUS_IO2 not available on this device */
215 #else
216 #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 (except device STM32WB35xx), pin PB7 for COMP2). Note: On STM32WB series, parameter not available on devices: STM32WB10xx, STM32WB15xx, STM32WB1Mxx. */
217 #endif /* STM32WB51xx || STM32WB10xx */
218 #define COMP_INPUT_MINUS_IO3           (                     COMP_CSR_INMESEL_0 | COMP_CSR_INMSEL_2 | COMP_CSR_INMSEL_1 | COMP_CSR_INMSEL_0) /*!< Comparator input minus connected to IO3 (pin PA0 for COMP1, pin PA2 for COMP2) */
219 #define COMP_INPUT_MINUS_IO4           (COMP_CSR_INMESEL_1                      | COMP_CSR_INMSEL_2 | COMP_CSR_INMSEL_1 | COMP_CSR_INMSEL_0) /*!< Comparator input minus connected to IO4 (pin PA4 for COMP1, pin PA4 for COMP2) */
220 #define COMP_INPUT_MINUS_IO5           (COMP_CSR_INMESEL_1 | COMP_CSR_INMESEL_0 | COMP_CSR_INMSEL_2 | COMP_CSR_INMSEL_1 | COMP_CSR_INMSEL_0) /*!< Comparator input minus connected to IO5 (pin PA5 for COMP1, pin PA5 for COMP2) */
221 /**
222   * @}
223   */
224 
225 /** @defgroup COMP_Hysteresis COMP hysteresis
226   * @{
227   */
228 #define COMP_HYSTERESIS_NONE           (0x00000000UL)                       /*!< No hysteresis */
229 #define COMP_HYSTERESIS_LOW            (                  COMP_CSR_HYST_0)  /*!< Hysteresis level low */
230 #define COMP_HYSTERESIS_MEDIUM         (COMP_CSR_HYST_1                  )  /*!< Hysteresis level medium */
231 #define COMP_HYSTERESIS_HIGH           (COMP_CSR_HYST_1 | COMP_CSR_HYST_0)  /*!< Hysteresis level high */
232 /**
233   * @}
234   */
235 
236 /** @defgroup COMP_OutputPolarity COMP output Polarity
237   * @{
238   */
239 #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) */
240 #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) */
241 /**
242   * @}
243   */
244 
245 /** @defgroup COMP_BlankingSrce  COMP blanking source
246   * @{
247   */
248 #define COMP_BLANKINGSRC_NONE            (0x00000000UL)          /*!<Comparator output without blanking */
249 /* Note: Output blanking source common to all COMP instances */
250 #define COMP_BLANKINGSRC_TIM1_OC5        (COMP_CSR_BLANKING_0)   /*!< Comparator output blanking source TIM1 OC5 (common to all COMP instances: COMP1, COMP2) */
251 #define COMP_BLANKINGSRC_TIM2_OC3        (COMP_CSR_BLANKING_1)   /*!< Comparator output blanking source TIM2 OC3 (common to all COMP instances: COMP1, COMP2) */
252 /**
253   * @}
254   */
255 
256 /** @defgroup COMP_OutputLevel COMP Output Level
257   * @{
258   */
259 /* Note: Comparator output level values are fixed to "0" and "1",             */
260 /* corresponding COMP register bit is managed by HAL function to match        */
261 /* with these values (independently of bit position in register).             */
262 
263 /* When output polarity is not inverted, comparator output is low when
264    the input plus is at a lower voltage than the input minus */
265 #define COMP_OUTPUT_LEVEL_LOW              (0x00000000UL)
266 /* When output polarity is not inverted, comparator output is high when
267    the input plus is at a higher voltage than the input minus */
268 #define COMP_OUTPUT_LEVEL_HIGH             (0x00000001UL)
269 /**
270   * @}
271   */
272 
273 /** @defgroup COMP_EXTI_TriggerMode COMP output to EXTI
274   * @{
275   */
276 #define COMP_TRIGGERMODE_NONE                 (0x00000000UL)                                            /*!< Comparator output triggering no External Interrupt Line */
277 #define COMP_TRIGGERMODE_IT_RISING            (COMP_EXTI_IT | COMP_EXTI_RISING)                         /*!< Comparator output triggering External Interrupt Line event with interruption, on rising edge */
278 #define COMP_TRIGGERMODE_IT_FALLING           (COMP_EXTI_IT | COMP_EXTI_FALLING)                        /*!< Comparator output triggering External Interrupt Line event with interruption, on falling edge */
279 #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 */
280 #define COMP_TRIGGERMODE_EVENT_RISING         (COMP_EXTI_EVENT | COMP_EXTI_RISING)                      /*!< Comparator output triggering External Interrupt Line event only (without interruption), on rising edge */
281 #define COMP_TRIGGERMODE_EVENT_FALLING        (COMP_EXTI_EVENT | COMP_EXTI_FALLING)                     /*!< Comparator output triggering External Interrupt Line event only (without interruption), on falling edge */
282 #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 */
283 /**
284   * @}
285   */
286 
287 /**
288   * @}
289   */
290 
291 /* Exported macro ------------------------------------------------------------*/
292 /** @defgroup COMP_Exported_Macros COMP Exported Macros
293   * @{
294   */
295 
296 /** @defgroup COMP_Handle_Management  COMP Handle Management
297   * @{
298   */
299 
300 /** @brief  Reset COMP handle state.
301   * @param  __HANDLE__  COMP handle
302   * @retval None
303   */
304 #if (USE_HAL_COMP_REGISTER_CALLBACKS == 1)
305 #define __HAL_COMP_RESET_HANDLE_STATE(__HANDLE__) do{                                                  \
306                                                       (__HANDLE__)->State = HAL_COMP_STATE_RESET;      \
307                                                       (__HANDLE__)->MspInitCallback = NULL;            \
308                                                       (__HANDLE__)->MspDeInitCallback = NULL;          \
309                                                     } while(0)
310 #else
311 #define __HAL_COMP_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_COMP_STATE_RESET)
312 #endif /* USE_HAL_COMP_REGISTER_CALLBACKS */
313 
314 /**
315   * @brief Clear COMP error code (set it to no error code "HAL_COMP_ERROR_NONE").
316   * @param __HANDLE__ COMP handle
317   * @retval None
318   */
319 #define COMP_CLEAR_ERRORCODE(__HANDLE__) ((__HANDLE__)->ErrorCode = HAL_COMP_ERROR_NONE)
320 
321 /**
322   * @brief  Enable the specified comparator.
323   * @param  __HANDLE__  COMP handle
324   * @retval None
325   */
326 #define __HAL_COMP_ENABLE(__HANDLE__)       SET_BIT((__HANDLE__)->Instance->CSR, COMP_CSR_EN)
327 
328 /**
329   * @brief  Disable the specified comparator.
330   * @param  __HANDLE__  COMP handle
331   * @retval None
332   */
333 #define __HAL_COMP_DISABLE(__HANDLE__)      CLEAR_BIT((__HANDLE__)->Instance->CSR, COMP_CSR_EN)
334 
335 /**
336   * @brief  Lock the specified comparator configuration.
337   * @note   Using this macro induce HAL COMP handle state machine being no
338   *         more in line with COMP instance state.
339   *         To keep HAL COMP handle state machine updated, it is recommended
340   *         to use function "HAL_COMP_Lock')".
341   * @param  __HANDLE__  COMP handle
342   * @retval None
343   */
344 #define __HAL_COMP_LOCK(__HANDLE__)         SET_BIT((__HANDLE__)->Instance->CSR, COMP_CSR_LOCK)
345 
346 /**
347   * @brief  Check whether the specified comparator is locked.
348   * @param  __HANDLE__  COMP handle
349   * @retval Value 0 if COMP instance is not locked, value 1 if COMP instance is locked
350   */
351 #define __HAL_COMP_IS_LOCKED(__HANDLE__)    (READ_BIT((__HANDLE__)->Instance->CSR, COMP_CSR_LOCK) == COMP_CSR_LOCK)
352 
353 /**
354   * @}
355   */
356 
357 /** @defgroup COMP_Exti_Management  COMP external interrupt line management
358   * @{
359   */
360 /**
361   * @brief  Enable the COMP1 EXTI line rising edge trigger.
362   * @retval None
363   */
364 #define __HAL_COMP_COMP1_EXTI_ENABLE_RISING_EDGE()    LL_EXTI_EnableRisingTrig_0_31(COMP_EXTI_LINE_COMP1)
365 
366 /**
367   * @brief  Disable the COMP1 EXTI line rising edge trigger.
368   * @retval None
369   */
370 #define __HAL_COMP_COMP1_EXTI_DISABLE_RISING_EDGE()   LL_EXTI_DisableRisingTrig_0_31(COMP_EXTI_LINE_COMP1)
371 
372 /**
373   * @brief  Enable the COMP1 EXTI line falling edge trigger.
374   * @retval None
375   */
376 #define __HAL_COMP_COMP1_EXTI_ENABLE_FALLING_EDGE()   LL_EXTI_EnableFallingTrig_0_31(COMP_EXTI_LINE_COMP1)
377 
378 /**
379   * @brief  Disable the COMP1 EXTI line falling edge trigger.
380   * @retval None
381   */
382 #define __HAL_COMP_COMP1_EXTI_DISABLE_FALLING_EDGE()  LL_EXTI_DisableFallingTrig_0_31(COMP_EXTI_LINE_COMP1)
383 
384 /**
385   * @brief  Enable the COMP1 EXTI line rising & falling edge trigger.
386   * @retval None
387   */
388 #define __HAL_COMP_COMP1_EXTI_ENABLE_RISING_FALLING_EDGE() do {                                                        \
389                                                                 LL_EXTI_EnableRisingTrig_0_31(COMP_EXTI_LINE_COMP1);   \
390                                                                 LL_EXTI_EnableFallingTrig_0_31(COMP_EXTI_LINE_COMP1);  \
391                                                               } while(0)
392 
393 /**
394   * @brief  Disable the COMP1 EXTI line rising & falling edge trigger.
395   * @retval None
396   */
397 #define __HAL_COMP_COMP1_EXTI_DISABLE_RISING_FALLING_EDGE() do {                                                       \
398                                                                  LL_EXTI_DisableRisingTrig_0_31(COMP_EXTI_LINE_COMP1); \
399                                                                  LL_EXTI_DisableFallingTrig_0_31(COMP_EXTI_LINE_COMP1);\
400                                                                } while(0)
401 
402 /**
403   * @brief  Enable the COMP1 EXTI line in interrupt mode.
404   * @retval None
405   */
406 #define __HAL_COMP_COMP1_EXTI_ENABLE_IT()             LL_EXTI_EnableIT_0_31(COMP_EXTI_LINE_COMP1)
407 
408 /**
409   * @brief  Disable the COMP1 EXTI line in interrupt mode.
410   * @retval None
411   */
412 #define __HAL_COMP_COMP1_EXTI_DISABLE_IT()            LL_EXTI_DisableIT_0_31(COMP_EXTI_LINE_COMP1)
413 
414 /**
415   * @brief  Generate a software interrupt on the COMP1 EXTI line.
416   * @retval None
417   */
418 #define __HAL_COMP_COMP1_EXTI_GENERATE_SWIT()         LL_EXTI_GenerateSWI_0_31(COMP_EXTI_LINE_COMP1)
419 
420 /**
421   * @brief  Enable the COMP1 EXTI line in event mode.
422   * @retval None
423   */
424 #define __HAL_COMP_COMP1_EXTI_ENABLE_EVENT()          LL_EXTI_EnableEvent_0_31(COMP_EXTI_LINE_COMP1)
425 
426 /**
427   * @brief  Disable the COMP1 EXTI line in event mode.
428   * @retval None
429   */
430 #define __HAL_COMP_COMP1_EXTI_DISABLE_EVENT()         LL_EXTI_DisableEvent_0_31(COMP_EXTI_LINE_COMP1)
431 
432 /**
433   * @brief  Check whether the COMP1 EXTI line flag is set.
434   * @retval RESET or SET
435   */
436 #define __HAL_COMP_COMP1_EXTI_GET_FLAG()              LL_EXTI_IsActiveFlag_0_31(COMP_EXTI_LINE_COMP1)
437 
438 /**
439   * @brief  Clear the COMP1 EXTI flag.
440   * @retval None
441   */
442 #define __HAL_COMP_COMP1_EXTI_CLEAR_FLAG()            LL_EXTI_ClearFlag_0_31(COMP_EXTI_LINE_COMP1)
443 
444 #if defined(COMP2)
445 /**
446   * @brief  Enable the COMP2 EXTI line rising edge trigger.
447   * @retval None
448   */
449 #define __HAL_COMP_COMP2_EXTI_ENABLE_RISING_EDGE()    LL_EXTI_EnableRisingTrig_0_31(COMP_EXTI_LINE_COMP2)
450 
451 /**
452   * @brief  Disable the COMP2 EXTI line rising edge trigger.
453   * @retval None
454   */
455 #define __HAL_COMP_COMP2_EXTI_DISABLE_RISING_EDGE()   LL_EXTI_DisableRisingTrig_0_31(COMP_EXTI_LINE_COMP2)
456 
457 /**
458   * @brief  Enable the COMP2 EXTI line falling edge trigger.
459   * @retval None
460   */
461 #define __HAL_COMP_COMP2_EXTI_ENABLE_FALLING_EDGE()   LL_EXTI_EnableFallingTrig_0_31(COMP_EXTI_LINE_COMP2)
462 
463 /**
464   * @brief  Disable the COMP2 EXTI line falling edge trigger.
465   * @retval None
466   */
467 #define __HAL_COMP_COMP2_EXTI_DISABLE_FALLING_EDGE()  LL_EXTI_DisableFallingTrig_0_31(COMP_EXTI_LINE_COMP2)
468 
469 /**
470   * @brief  Enable the COMP2 EXTI line rising & falling edge trigger.
471   * @retval None
472   */
473 #define __HAL_COMP_COMP2_EXTI_ENABLE_RISING_FALLING_EDGE() do {                                                        \
474                                                                 LL_EXTI_EnableRisingTrig_0_31(COMP_EXTI_LINE_COMP2);   \
475                                                                 LL_EXTI_EnableFallingTrig_0_31(COMP_EXTI_LINE_COMP2);  \
476                                                               } while(0)
477 
478 /**
479   * @brief  Disable the COMP2 EXTI line rising & falling edge trigger.
480   * @retval None
481   */
482 #define __HAL_COMP_COMP2_EXTI_DISABLE_RISING_FALLING_EDGE() do {                                                       \
483                                                                  LL_EXTI_DisableRisingTrig_0_31(COMP_EXTI_LINE_COMP2); \
484                                                                  LL_EXTI_DisableFallingTrig_0_31(COMP_EXTI_LINE_COMP2);\
485                                                                } while(0)
486 
487 /**
488   * @brief  Enable the COMP2 EXTI line in interrupt mode.
489   * @retval None
490   */
491 #define __HAL_COMP_COMP2_EXTI_ENABLE_IT()             LL_EXTI_EnableIT_0_31(COMP_EXTI_LINE_COMP2)
492 
493 /**
494   * @brief  Disable the COMP2 EXTI line in interrupt mode.
495   * @retval None
496   */
497 #define __HAL_COMP_COMP2_EXTI_DISABLE_IT()            LL_EXTI_DisableIT_0_31(COMP_EXTI_LINE_COMP2)
498 
499 /**
500   * @brief  Generate a software interrupt on the COMP2 EXTI line.
501   * @retval None
502   */
503 #define __HAL_COMP_COMP2_EXTI_GENERATE_SWIT()         LL_EXTI_GenerateSWI_0_31(COMP_EXTI_LINE_COMP2)
504 
505 /**
506   * @brief  Enable the COMP2 EXTI line in event mode.
507   * @retval None
508   */
509 #define __HAL_COMP_COMP2_EXTI_ENABLE_EVENT()          LL_EXTI_EnableEvent_0_31(COMP_EXTI_LINE_COMP2)
510 
511 /**
512   * @brief  Disable the COMP2 EXTI line in event mode.
513   * @retval None
514   */
515 #define __HAL_COMP_COMP2_EXTI_DISABLE_EVENT()         LL_EXTI_DisableEvent_0_31(COMP_EXTI_LINE_COMP2)
516 
517 /**
518   * @brief  Check whether the COMP2 EXTI line flag is set.
519   * @retval RESET or SET
520   */
521 #define __HAL_COMP_COMP2_EXTI_GET_FLAG()              LL_EXTI_IsActiveFlag_0_31(COMP_EXTI_LINE_COMP2)
522 
523 /**
524   * @brief  Clear the COMP2 EXTI flag.
525   * @retval None
526   */
527 #define __HAL_COMP_COMP2_EXTI_CLEAR_FLAG()            LL_EXTI_ClearFlag_0_31(COMP_EXTI_LINE_COMP2)
528 
529 #endif /* COMP2 */
530 /**
531   * @}
532   */
533 
534 /**
535   * @}
536   */
537 
538 
539 /* Private types -------------------------------------------------------------*/
540 /* Private constants ---------------------------------------------------------*/
541 /** @defgroup COMP_Private_Constants COMP Private Constants
542   * @{
543   */
544 
545 /** @defgroup COMP_ExtiLine COMP EXTI Lines
546   * @{
547   */
548 #define COMP_EXTI_LINE_COMP1           (LL_EXTI_LINE_20)  /*!< EXTI line 20 connected to COMP1 output */
549 #if defined(COMP2)
550 #define COMP_EXTI_LINE_COMP2           (LL_EXTI_LINE_21)  /*!< EXTI line 21 connected to COMP2 output */
551 #endif /* COMP2 */
552 /**
553   * @}
554   */
555 
556 /** @defgroup COMP_ExtiLine COMP EXTI Lines
557   * @{
558   */
559 #define COMP_EXTI_IT                        (0x00000001UL)  /*!< EXTI line event with interruption */
560 #define COMP_EXTI_EVENT                     (0x00000002UL)  /*!< EXTI line event only (without interruption) */
561 #define COMP_EXTI_RISING                    (0x00000010UL)  /*!< EXTI line event on rising edge */
562 #define COMP_EXTI_FALLING                   (0x00000020UL)  /*!< EXTI line event on falling edge */
563 /**
564   * @}
565   */
566 
567 /**
568   * @}
569   */
570 
571 /* Private macros ------------------------------------------------------------*/
572 /** @defgroup COMP_Private_Macros COMP Private Macros
573   * @{
574   */
575 
576 /** @defgroup COMP_GET_EXTI_LINE COMP private macros to get EXTI line associated with comparators
577   * @{
578   */
579 /**
580   * @brief  Get the specified EXTI line for a comparator instance.
581   * @param  __INSTANCE__  specifies the COMP instance.
582   * @retval value of @ref COMP_ExtiLine
583   */
584 #if defined(COMP2)
585 #define COMP_GET_EXTI_LINE(__INSTANCE__)    (((__INSTANCE__) == COMP1) ? COMP_EXTI_LINE_COMP1  \
586                                              : COMP_EXTI_LINE_COMP2)
587 #else
588 #define COMP_GET_EXTI_LINE(__INSTANCE__)    COMP_EXTI_LINE_COMP1
589 #endif /* COMP2 */
590 /**
591   * @}
592   */
593 
594 /** @defgroup COMP_IS_COMP_Private_Definitions COMP private macros to check input parameters
595   * @{
596   */
597 #if defined(COMP2)
598 #define IS_COMP_WINDOWMODE(__WINDOWMODE__)  (((__WINDOWMODE__) == COMP_WINDOWMODE_DISABLE)                || \
599                                              ((__WINDOWMODE__) == COMP_WINDOWMODE_COMP1_INPUT_PLUS_COMMON)  )
600 #endif /* COMP2 */
601 
602 #define IS_COMP_POWERMODE(__POWERMODE__)    (((__POWERMODE__) == COMP_POWERMODE_HIGHSPEED)    || \
603                                              ((__POWERMODE__) == COMP_POWERMODE_MEDIUMSPEED)  || \
604                                              ((__POWERMODE__) == COMP_POWERMODE_ULTRALOWPOWER)  )
605 
606 #if defined(COMP_INPUT_PLUS_IO1)
607 #define IS_COMP_INPUT_PLUS(__COMP_INSTANCE__, __INPUT_PLUS__) (((__INPUT_PLUS__) == COMP_INPUT_PLUS_IO1) || \
608                                                                ((__INPUT_PLUS__) == COMP_INPUT_PLUS_IO2) || \
609                                                                ((__INPUT_PLUS__) == COMP_INPUT_PLUS_IO3))
610 #else
611 #define IS_COMP_INPUT_PLUS(__COMP_INSTANCE__, __INPUT_PLUS__) (((__INPUT_PLUS__) == COMP_INPUT_PLUS_IO2) || \
612                                                                ((__INPUT_PLUS__) == COMP_INPUT_PLUS_IO3))
613 #endif /* COMP_INPUT_PLUS_IO1 */
614 
615 /* Note: On this STM32 series, comparator input minus parameters are          */
616 /*       the same on all COMP instances.                                      */
617 /*       However, comparator instance kept as macro parameter for             */
618 /*       compatibility with other STM32 series.                               */
619 #if defined(COMP_INPUT_MINUS_IO2)
620 #define IS_COMP_INPUT_MINUS(__COMP_INSTANCE__, __INPUT_MINUS__) (((__INPUT_MINUS__) == COMP_INPUT_MINUS_1_4VREFINT)  || \
621                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_1_2VREFINT)  || \
622                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_3_4VREFINT)  || \
623                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_VREFINT)     || \
624                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO1)         || \
625                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO2)         || \
626                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO3)         || \
627                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO4)         || \
628                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO5))
629 #else
630 #define IS_COMP_INPUT_MINUS(__COMP_INSTANCE__, __INPUT_MINUS__) (((__INPUT_MINUS__) == COMP_INPUT_MINUS_1_4VREFINT)  || \
631                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_1_2VREFINT)  || \
632                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_3_4VREFINT)  || \
633                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_VREFINT)     || \
634                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO1)         || \
635                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO3)         || \
636                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO4)         || \
637                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO5))
638 #endif
639 
640 #define IS_COMP_HYSTERESIS(__HYSTERESIS__)  (((__HYSTERESIS__) == COMP_HYSTERESIS_NONE)   || \
641                                              ((__HYSTERESIS__) == COMP_HYSTERESIS_LOW)    || \
642                                              ((__HYSTERESIS__) == COMP_HYSTERESIS_MEDIUM) || \
643                                              ((__HYSTERESIS__) == COMP_HYSTERESIS_HIGH))
644 
645 #define IS_COMP_OUTPUTPOL(__POL__)          (((__POL__) == COMP_OUTPUTPOL_NONINVERTED) || \
646                                              ((__POL__) == COMP_OUTPUTPOL_INVERTED))
647 
648 #define IS_COMP_BLANKINGSRCE(__OUTPUT_BLANKING_SOURCE__)                    \
649   (((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_NONE)                  \
650    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM1_OC5)           \
651    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM2_OC3)           \
652   )
653 
654 /* Note: Output blanking source common to all COMP instances */
655 /*       Macro kept for compatibility with other STM32 series */
656 #define IS_COMP_BLANKINGSRC_INSTANCE(__INSTANCE__, __OUTPUT_BLANKING_SOURCE__)  \
657   (IS_COMP_BLANKINGSRCE(__OUTPUT_BLANKING_SOURCE__))
658 
659 
660 #define IS_COMP_TRIGGERMODE(__MODE__)       (((__MODE__) == COMP_TRIGGERMODE_NONE)                 || \
661                                              ((__MODE__) == COMP_TRIGGERMODE_IT_RISING)            || \
662                                              ((__MODE__) == COMP_TRIGGERMODE_IT_FALLING)           || \
663                                              ((__MODE__) == COMP_TRIGGERMODE_IT_RISING_FALLING)    || \
664                                              ((__MODE__) == COMP_TRIGGERMODE_EVENT_RISING)         || \
665                                              ((__MODE__) == COMP_TRIGGERMODE_EVENT_FALLING)        || \
666                                              ((__MODE__) == COMP_TRIGGERMODE_EVENT_RISING_FALLING))
667 
668 #define IS_COMP_OUTPUT_LEVEL(__OUTPUT_LEVEL__) (((__OUTPUT_LEVEL__) == COMP_OUTPUT_LEVEL_LOW)     || \
669                                                 ((__OUTPUT_LEVEL__) == COMP_OUTPUT_LEVEL_HIGH))
670 
671 /**
672   * @}
673   */
674 
675 /**
676   * @}
677   */
678 
679 
680 /* Exported functions --------------------------------------------------------*/
681 /** @addtogroup COMP_Exported_Functions
682   * @{
683   */
684 
685 /** @addtogroup COMP_Exported_Functions_Group1
686   * @{
687   */
688 
689 /* Initialization and de-initialization functions  **********************************/
690 HAL_StatusTypeDef HAL_COMP_Init(COMP_HandleTypeDef *hcomp);
691 HAL_StatusTypeDef HAL_COMP_DeInit(COMP_HandleTypeDef *hcomp);
692 void              HAL_COMP_MspInit(COMP_HandleTypeDef *hcomp);
693 void              HAL_COMP_MspDeInit(COMP_HandleTypeDef *hcomp);
694 
695 #if (USE_HAL_COMP_REGISTER_CALLBACKS == 1)
696 /* Callbacks Register/UnRegister functions  ***********************************/
697 HAL_StatusTypeDef HAL_COMP_RegisterCallback(COMP_HandleTypeDef *hcomp, HAL_COMP_CallbackIDTypeDef CallbackID,
698                                             pCOMP_CallbackTypeDef pCallback);
699 HAL_StatusTypeDef HAL_COMP_UnRegisterCallback(COMP_HandleTypeDef *hcomp, HAL_COMP_CallbackIDTypeDef CallbackID);
700 #endif /* USE_HAL_COMP_REGISTER_CALLBACKS */
701 /**
702   * @}
703   */
704 
705 /* IO operation functions  *****************************************************/
706 /** @addtogroup COMP_Exported_Functions_Group2
707   * @{
708   */
709 HAL_StatusTypeDef HAL_COMP_Start(COMP_HandleTypeDef *hcomp);
710 HAL_StatusTypeDef HAL_COMP_Stop(COMP_HandleTypeDef *hcomp);
711 void              HAL_COMP_IRQHandler(COMP_HandleTypeDef *hcomp);
712 /**
713   * @}
714   */
715 
716 /* Peripheral Control functions  ************************************************/
717 /** @addtogroup COMP_Exported_Functions_Group3
718   * @{
719   */
720 HAL_StatusTypeDef HAL_COMP_Lock(COMP_HandleTypeDef *hcomp);
721 uint32_t          HAL_COMP_GetOutputLevel(const COMP_HandleTypeDef *hcomp);
722 /* Callback in interrupt mode */
723 void              HAL_COMP_TriggerCallback(COMP_HandleTypeDef *hcomp);
724 /**
725   * @}
726   */
727 
728 /* Peripheral State functions  **************************************************/
729 /** @addtogroup COMP_Exported_Functions_Group4
730   * @{
731   */
732 HAL_COMP_StateTypeDef HAL_COMP_GetState(const COMP_HandleTypeDef *hcomp);
733 uint32_t              HAL_COMP_GetError(const COMP_HandleTypeDef *hcomp);
734 /**
735   * @}
736   */
737 
738 /**
739   * @}
740   */
741 
742 /**
743   * @}
744   */
745 #endif /* COMP1 || COMP2 */
746 /**
747   * @}
748   */
749 
750 #ifdef __cplusplus
751 }
752 #endif
753 
754 #endif /* STM32WBxx_HAL_COMP_H */
755