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