1 /**
2   ******************************************************************************
3   * @file    stm32l4xx_hal_comp.h
4   * @author  MCD Application Team
5   * @brief   Header file of COMP HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2017 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 STM32L4xx_HAL_COMP_H
21 #define STM32L4xx_HAL_COMP_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32l4xx_hal_def.h"
29 #include "stm32l4xx_ll_exti.h"
30 
31 /** @addtogroup STM32L4xx_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 NonInvertingInput;  /*!< Set comparator input plus (non-inverting input).
65                                     This parameter can be a value of @ref COMP_InputPlus */
66 
67   uint32_t InvertingInput;     /*!< 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 #define COMP_INPUT_PLUS_IO1            (0x00000000UL)         /*!< Comparator input plus connected to IO1 (pin PC5 for COMP1, pin PB4 for COMP2) */
195 #define COMP_INPUT_PLUS_IO2            (COMP_CSR_INPSEL_0)    /*!< Comparator input plus connected to IO2 (pin PB2 for COMP1, pin PB6 for COMP2) */
196 #if defined(COMP_CSR_INPSEL_1)
197 #define COMP_INPUT_PLUS_IO3            (COMP_CSR_INPSEL_1)    /*!< Comparator input plus connected to IO3 (pin PA1 for COMP1, pin PA3 for COMP2) */
198 #endif
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_DAC1_CH1      (COMP_CSR_INMSEL_2                                        )                                           /*!< Comparator input minus connected to DAC1 channel 1 (DAC_OUT1) */
211 #if defined(DAC_CHANNEL2_SUPPORT)
212 #define COMP_INPUT_MINUS_DAC1_CH2      (COMP_CSR_INMSEL_2                     | COMP_CSR_INMSEL_0)                                           /*!< Comparator input minus connected to DAC1 channel 2 (DAC_OUT2) */
213 #endif /* DAC_CHANNEL2_SUPPORT */
214 #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) */
215 #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) */
216 #if defined(COMP_CSR_INMESEL_1)
217 #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) */
218 #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) */
219 #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) */
220 #endif /* COMP_CSR_INMESEL_1 */
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 #define COMP_BLANKINGSRC_TIM1_OC5_COMP1  (COMP_CSR_BLANKING_0)   /*!< Comparator output blanking source TIM1 OC5 (specific to COMP instance: COMP1) */
250 #define COMP_BLANKINGSRC_TIM2_OC3_COMP1  (COMP_CSR_BLANKING_1)   /*!< Comparator output blanking source TIM2 OC3 (specific to COMP instance: COMP1) */
251 #define COMP_BLANKINGSRC_TIM3_OC3_COMP1  (COMP_CSR_BLANKING_2)   /*!< Comparator output blanking source TIM3 OC3 (specific to COMP instance: COMP1) */
252 #define COMP_BLANKINGSRC_TIM3_OC4_COMP2  (COMP_CSR_BLANKING_0)   /*!< Comparator output blanking source TIM3 OC4 (specific to COMP instance: COMP2) */
253 #define COMP_BLANKINGSRC_TIM8_OC5_COMP2  (COMP_CSR_BLANKING_1)   /*!< Comparator output blanking source TIM8 OC5 (specific to COMP instance: COMP2) */
254 #define COMP_BLANKINGSRC_TIM15_OC1_COMP2 (COMP_CSR_BLANKING_2)   /*!< Comparator output blanking source TIM15 OC1 (specific to COMP instance: COMP2) */
255 /**
256   * @}
257   */
258 
259 /** @defgroup COMP_OutputLevel COMP Output Level
260   * @{
261   */
262 /* Note: Comparator output level values are fixed to "0" and "1",             */
263 /* corresponding COMP register bit is managed by HAL function to match        */
264 /* with these values (independently of bit position in register).             */
265 
266 /* When output polarity is not inverted, comparator output is low when
267    the input plus is at a lower voltage than the input minus */
268 #define COMP_OUTPUT_LEVEL_LOW              (0x00000000UL)
269 /* When output polarity is not inverted, comparator output is high when
270    the input plus is at a higher voltage than the input minus */
271 #define COMP_OUTPUT_LEVEL_HIGH             (0x00000001UL)
272 /**
273   * @}
274   */
275 
276 /** @defgroup COMP_EXTI_TriggerMode COMP output to EXTI
277   * @{
278   */
279 #define COMP_TRIGGERMODE_NONE                 (0x00000000UL)                                            /*!< Comparator output triggering no External Interrupt Line */
280 #define COMP_TRIGGERMODE_IT_RISING            (COMP_EXTI_IT | COMP_EXTI_RISING)                         /*!< Comparator output triggering External Interrupt Line event with interruption, on rising edge */
281 #define COMP_TRIGGERMODE_IT_FALLING           (COMP_EXTI_IT | COMP_EXTI_FALLING)                        /*!< Comparator output triggering External Interrupt Line event with interruption, on falling edge */
282 #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 */
283 #define COMP_TRIGGERMODE_EVENT_RISING         (COMP_EXTI_EVENT | COMP_EXTI_RISING)                      /*!< Comparator output triggering External Interrupt Line event only (without interruption), on rising edge */
284 #define COMP_TRIGGERMODE_EVENT_FALLING        (COMP_EXTI_EVENT | COMP_EXTI_FALLING)                     /*!< Comparator output triggering External Interrupt Line event only (without interruption), on falling edge */
285 #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 */
286 /**
287   * @}
288   */
289 
290 /**
291   * @}
292   */
293 
294 /* Exported macro ------------------------------------------------------------*/
295 /** @defgroup COMP_Exported_Macros COMP Exported Macros
296   * @{
297   */
298 
299 /** @defgroup COMP_Handle_Management  COMP Handle Management
300   * @{
301   */
302 
303 /** @brief  Reset COMP handle state.
304   * @param  __HANDLE__  COMP handle
305   * @retval None
306   */
307 #if (USE_HAL_COMP_REGISTER_CALLBACKS == 1)
308 #define __HAL_COMP_RESET_HANDLE_STATE(__HANDLE__) do{                                                  \
309                                                       (__HANDLE__)->State = HAL_COMP_STATE_RESET;      \
310                                                       (__HANDLE__)->MspInitCallback = NULL;            \
311                                                       (__HANDLE__)->MspDeInitCallback = NULL;          \
312                                                     } while(0)
313 #else
314 #define __HAL_COMP_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_COMP_STATE_RESET)
315 #endif /* USE_HAL_COMP_REGISTER_CALLBACKS */
316 
317 /**
318   * @brief Clear COMP error code (set it to no error code "HAL_COMP_ERROR_NONE").
319   * @param __HANDLE__ COMP handle
320   * @retval None
321   */
322 #define COMP_CLEAR_ERRORCODE(__HANDLE__) ((__HANDLE__)->ErrorCode = HAL_COMP_ERROR_NONE)
323 
324 /**
325   * @brief  Enable the specified comparator.
326   * @param  __HANDLE__  COMP handle
327   * @retval None
328   */
329 #define __HAL_COMP_ENABLE(__HANDLE__)       SET_BIT((__HANDLE__)->Instance->CSR, COMP_CSR_EN)
330 
331 /**
332   * @brief  Disable the specified comparator.
333   * @param  __HANDLE__  COMP handle
334   * @retval None
335   */
336 #define __HAL_COMP_DISABLE(__HANDLE__)      CLEAR_BIT((__HANDLE__)->Instance->CSR, COMP_CSR_EN)
337 
338 /**
339   * @brief  Lock the specified comparator configuration.
340   * @note   Using this macro induce HAL COMP handle state machine being no
341   *         more in line with COMP instance state.
342   *         To keep HAL COMP handle state machine updated, it is recommended
343   *         to use function "HAL_COMP_Lock')".
344   * @param  __HANDLE__  COMP handle
345   * @retval None
346   */
347 #define __HAL_COMP_LOCK(__HANDLE__)         SET_BIT((__HANDLE__)->Instance->CSR, COMP_CSR_LOCK)
348 
349 /**
350   * @brief  Check whether the specified comparator is locked.
351   * @param  __HANDLE__  COMP handle
352   * @retval Value 0 if COMP instance is not locked, value 1 if COMP instance is locked
353   */
354 #define __HAL_COMP_IS_LOCKED(__HANDLE__)    (READ_BIT((__HANDLE__)->Instance->CSR, COMP_CSR_LOCK) == COMP_CSR_LOCK)
355 
356 /**
357   * @}
358   */
359 
360 /** @defgroup COMP_Exti_Management  COMP external interrupt line management
361   * @{
362   */
363 /**
364   * @brief  Enable the COMP1 EXTI line rising edge trigger.
365   * @retval None
366   */
367 #define __HAL_COMP_COMP1_EXTI_ENABLE_RISING_EDGE()    LL_EXTI_EnableRisingTrig_0_31(COMP_EXTI_LINE_COMP1)
368 
369 /**
370   * @brief  Disable the COMP1 EXTI line rising edge trigger.
371   * @retval None
372   */
373 #define __HAL_COMP_COMP1_EXTI_DISABLE_RISING_EDGE()   LL_EXTI_DisableRisingTrig_0_31(COMP_EXTI_LINE_COMP1)
374 
375 /**
376   * @brief  Enable the COMP1 EXTI line falling edge trigger.
377   * @retval None
378   */
379 #define __HAL_COMP_COMP1_EXTI_ENABLE_FALLING_EDGE()   LL_EXTI_EnableFallingTrig_0_31(COMP_EXTI_LINE_COMP1)
380 
381 /**
382   * @brief  Disable the COMP1 EXTI line falling edge trigger.
383   * @retval None
384   */
385 #define __HAL_COMP_COMP1_EXTI_DISABLE_FALLING_EDGE()  LL_EXTI_DisableFallingTrig_0_31(COMP_EXTI_LINE_COMP1)
386 
387 /**
388   * @brief  Enable the COMP1 EXTI line rising & falling edge trigger.
389   * @retval None
390   */
391 #define __HAL_COMP_COMP1_EXTI_ENABLE_RISING_FALLING_EDGE() do {                                                        \
392                                                                 LL_EXTI_EnableRisingTrig_0_31(COMP_EXTI_LINE_COMP1);   \
393                                                                 LL_EXTI_EnableFallingTrig_0_31(COMP_EXTI_LINE_COMP1);  \
394                                                               } while(0)
395 
396 /**
397   * @brief  Disable the COMP1 EXTI line rising & falling edge trigger.
398   * @retval None
399   */
400 #define __HAL_COMP_COMP1_EXTI_DISABLE_RISING_FALLING_EDGE() do {                                                       \
401                                                                  LL_EXTI_DisableRisingTrig_0_31(COMP_EXTI_LINE_COMP1); \
402                                                                  LL_EXTI_DisableFallingTrig_0_31(COMP_EXTI_LINE_COMP1);\
403                                                                } while(0)
404 
405 /**
406   * @brief  Enable the COMP1 EXTI line in interrupt mode.
407   * @retval None
408   */
409 #define __HAL_COMP_COMP1_EXTI_ENABLE_IT()             LL_EXTI_EnableIT_0_31(COMP_EXTI_LINE_COMP1)
410 
411 /**
412   * @brief  Disable the COMP1 EXTI line in interrupt mode.
413   * @retval None
414   */
415 #define __HAL_COMP_COMP1_EXTI_DISABLE_IT()            LL_EXTI_DisableIT_0_31(COMP_EXTI_LINE_COMP1)
416 
417 /**
418   * @brief  Generate a software interrupt on the COMP1 EXTI line.
419   * @retval None
420   */
421 #define __HAL_COMP_COMP1_EXTI_GENERATE_SWIT()         LL_EXTI_GenerateSWI_0_31(COMP_EXTI_LINE_COMP1)
422 
423 /**
424   * @brief  Enable the COMP1 EXTI line in event mode.
425   * @retval None
426   */
427 #define __HAL_COMP_COMP1_EXTI_ENABLE_EVENT()          LL_EXTI_EnableEvent_0_31(COMP_EXTI_LINE_COMP1)
428 
429 /**
430   * @brief  Disable the COMP1 EXTI line in event mode.
431   * @retval None
432   */
433 #define __HAL_COMP_COMP1_EXTI_DISABLE_EVENT()         LL_EXTI_DisableEvent_0_31(COMP_EXTI_LINE_COMP1)
434 
435 /**
436   * @brief  Check whether the COMP1 EXTI line flag is set.
437   * @retval RESET or SET
438   */
439 #define __HAL_COMP_COMP1_EXTI_GET_FLAG()              LL_EXTI_IsActiveFlag_0_31(COMP_EXTI_LINE_COMP1)
440 
441 /**
442   * @brief  Clear the COMP1 EXTI flag.
443   * @retval None
444   */
445 #define __HAL_COMP_COMP1_EXTI_CLEAR_FLAG()            LL_EXTI_ClearFlag_0_31(COMP_EXTI_LINE_COMP1)
446 
447 #if defined(COMP2)
448 /**
449   * @brief  Enable the COMP2 EXTI line rising edge trigger.
450   * @retval None
451   */
452 #define __HAL_COMP_COMP2_EXTI_ENABLE_RISING_EDGE()    LL_EXTI_EnableRisingTrig_0_31(COMP_EXTI_LINE_COMP2)
453 
454 /**
455   * @brief  Disable the COMP2 EXTI line rising edge trigger.
456   * @retval None
457   */
458 #define __HAL_COMP_COMP2_EXTI_DISABLE_RISING_EDGE()   LL_EXTI_DisableRisingTrig_0_31(COMP_EXTI_LINE_COMP2)
459 
460 /**
461   * @brief  Enable the COMP2 EXTI line falling edge trigger.
462   * @retval None
463   */
464 #define __HAL_COMP_COMP2_EXTI_ENABLE_FALLING_EDGE()   LL_EXTI_EnableFallingTrig_0_31(COMP_EXTI_LINE_COMP2)
465 
466 /**
467   * @brief  Disable the COMP2 EXTI line falling edge trigger.
468   * @retval None
469   */
470 #define __HAL_COMP_COMP2_EXTI_DISABLE_FALLING_EDGE()  LL_EXTI_DisableFallingTrig_0_31(COMP_EXTI_LINE_COMP2)
471 
472 /**
473   * @brief  Enable the COMP2 EXTI line rising & falling edge trigger.
474   * @retval None
475   */
476 #define __HAL_COMP_COMP2_EXTI_ENABLE_RISING_FALLING_EDGE() do {                                                        \
477                                                                 LL_EXTI_EnableRisingTrig_0_31(COMP_EXTI_LINE_COMP2);   \
478                                                                 LL_EXTI_EnableFallingTrig_0_31(COMP_EXTI_LINE_COMP2);  \
479                                                               } while(0)
480 
481 /**
482   * @brief  Disable the COMP2 EXTI line rising & falling edge trigger.
483   * @retval None
484   */
485 #define __HAL_COMP_COMP2_EXTI_DISABLE_RISING_FALLING_EDGE() do {                                                       \
486                                                                  LL_EXTI_DisableRisingTrig_0_31(COMP_EXTI_LINE_COMP2); \
487                                                                  LL_EXTI_DisableFallingTrig_0_31(COMP_EXTI_LINE_COMP2);\
488                                                                } while(0)
489 
490 /**
491   * @brief  Enable the COMP2 EXTI line in interrupt mode.
492   * @retval None
493   */
494 #define __HAL_COMP_COMP2_EXTI_ENABLE_IT()             LL_EXTI_EnableIT_0_31(COMP_EXTI_LINE_COMP2)
495 
496 /**
497   * @brief  Disable the COMP2 EXTI line in interrupt mode.
498   * @retval None
499   */
500 #define __HAL_COMP_COMP2_EXTI_DISABLE_IT()            LL_EXTI_DisableIT_0_31(COMP_EXTI_LINE_COMP2)
501 
502 /**
503   * @brief  Generate a software interrupt on the COMP2 EXTI line.
504   * @retval None
505   */
506 #define __HAL_COMP_COMP2_EXTI_GENERATE_SWIT()         LL_EXTI_GenerateSWI_0_31(COMP_EXTI_LINE_COMP2)
507 
508 /**
509   * @brief  Enable the COMP2 EXTI line in event mode.
510   * @retval None
511   */
512 #define __HAL_COMP_COMP2_EXTI_ENABLE_EVENT()          LL_EXTI_EnableEvent_0_31(COMP_EXTI_LINE_COMP2)
513 
514 /**
515   * @brief  Disable the COMP2 EXTI line in event mode.
516   * @retval None
517   */
518 #define __HAL_COMP_COMP2_EXTI_DISABLE_EVENT()         LL_EXTI_DisableEvent_0_31(COMP_EXTI_LINE_COMP2)
519 
520 /**
521   * @brief  Check whether the COMP2 EXTI line flag is set.
522   * @retval RESET or SET
523   */
524 #define __HAL_COMP_COMP2_EXTI_GET_FLAG()              LL_EXTI_IsActiveFlag_0_31(COMP_EXTI_LINE_COMP2)
525 
526 /**
527   * @brief  Clear the COMP2 EXTI flag.
528   * @retval None
529   */
530 #define __HAL_COMP_COMP2_EXTI_CLEAR_FLAG()            LL_EXTI_ClearFlag_0_31(COMP_EXTI_LINE_COMP2)
531 
532 #endif /* COMP2 */
533 /**
534   * @}
535   */
536 
537 /**
538   * @}
539   */
540 
541 
542 /* Private types -------------------------------------------------------------*/
543 /* Private constants ---------------------------------------------------------*/
544 /** @defgroup COMP_Private_Constants COMP Private Constants
545   * @{
546   */
547 
548 /** @defgroup COMP_ExtiLine COMP EXTI Lines
549   * @{
550   */
551 #define COMP_EXTI_LINE_COMP1           (LL_EXTI_LINE_21)  /*!< EXTI line 21 connected to COMP1 output */
552 #if defined(COMP2)
553 #define COMP_EXTI_LINE_COMP2           (LL_EXTI_LINE_22)  /*!< EXTI line 22 connected to COMP2 output */
554 #endif /* COMP2 */
555 /**
556   * @}
557   */
558 
559 /** @defgroup COMP_ExtiLine COMP EXTI Lines
560   * @{
561   */
562 #define COMP_EXTI_IT                        (0x00000001UL)  /*!< EXTI line event with interruption */
563 #define COMP_EXTI_EVENT                     (0x00000002UL)  /*!< EXTI line event only (without interruption) */
564 #define COMP_EXTI_RISING                    (0x00000010UL)  /*!< EXTI line event on rising edge */
565 #define COMP_EXTI_FALLING                   (0x00000020UL)  /*!< EXTI line event on falling edge */
566 /**
567   * @}
568   */
569 
570 /**
571   * @}
572   */
573 
574 /* Private macros ------------------------------------------------------------*/
575 /** @defgroup COMP_Private_Macros COMP Private Macros
576   * @{
577   */
578 
579 /** @defgroup COMP_GET_EXTI_LINE COMP private macros to get EXTI line associated with comparators
580   * @{
581   */
582 /**
583   * @brief  Get the specified EXTI line for a comparator instance.
584   * @param  __INSTANCE__  specifies the COMP instance.
585   * @retval value of @ref COMP_ExtiLine
586   */
587 #if defined(COMP2)
588 #define COMP_GET_EXTI_LINE(__INSTANCE__)    (((__INSTANCE__) == COMP1) ? COMP_EXTI_LINE_COMP1  \
589                                              : COMP_EXTI_LINE_COMP2)
590 #else
591 #define COMP_GET_EXTI_LINE(__INSTANCE__)    COMP_EXTI_LINE_COMP1
592 #endif /* COMP2 */
593 /**
594   * @}
595   */
596 
597 /** @defgroup COMP_IS_COMP_Private_Definitions COMP private macros to check input parameters
598   * @{
599   */
600 #if defined(COMP2)
601 #define IS_COMP_WINDOWMODE(__WINDOWMODE__)  (((__WINDOWMODE__) == COMP_WINDOWMODE_DISABLE)                || \
602                                              ((__WINDOWMODE__) == COMP_WINDOWMODE_COMP1_INPUT_PLUS_COMMON)  )
603 #endif /* COMP2 */
604 
605 #define IS_COMP_POWERMODE(__POWERMODE__)    (((__POWERMODE__) == COMP_POWERMODE_HIGHSPEED)    || \
606                                              ((__POWERMODE__) == COMP_POWERMODE_MEDIUMSPEED)  || \
607                                              ((__POWERMODE__) == COMP_POWERMODE_ULTRALOWPOWER)  )
608 
609 #if defined(COMP_CSR_INPSEL_1)
610 #define IS_COMP_INPUT_PLUS(__COMP_INSTANCE__, __INPUT_PLUS__) (((__INPUT_PLUS__) == COMP_INPUT_PLUS_IO1) || \
611                                                                ((__INPUT_PLUS__) == COMP_INPUT_PLUS_IO2) || \
612                                                                ((__INPUT_PLUS__) == COMP_INPUT_PLUS_IO3))
613 #else
614 #define IS_COMP_INPUT_PLUS(__COMP_INSTANCE__, __INPUT_PLUS__) (((__INPUT_PLUS__) == COMP_INPUT_PLUS_IO1) || \
615                                                                ((__INPUT_PLUS__) == COMP_INPUT_PLUS_IO2))
616 #endif
617 
618 /* Note: On this STM32 series, comparator input minus parameters are          */
619 /*       the same on all COMP instances.                                      */
620 /*       However, comparator instance kept as macro parameter for             */
621 /*       compatibility with other STM32 series.                               */
622 #if defined(COMP_CSR_INMESEL_1) && defined(DAC_CHANNEL2_SUPPORT)
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                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO3)         || \
632                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO4)         || \
633                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO5))
634 #elif defined(COMP_CSR_INMESEL_1)
635 #define IS_COMP_INPUT_MINUS(__COMP_INSTANCE__, __INPUT_MINUS__) (((__INPUT_MINUS__) == COMP_INPUT_MINUS_1_4VREFINT)  || \
636                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_1_2VREFINT)  || \
637                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_3_4VREFINT)  || \
638                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_VREFINT)     || \
639                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_DAC1_CH1)    || \
640                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO1)         || \
641                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO2)         || \
642                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO3)         || \
643                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO4)         || \
644                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO5))
645 #elif defined(DAC_CHANNEL2_SUPPORT)
646 #define IS_COMP_INPUT_MINUS(__COMP_INSTANCE__, __INPUT_MINUS__) (((__INPUT_MINUS__) == COMP_INPUT_MINUS_1_4VREFINT)  || \
647                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_1_2VREFINT)  || \
648                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_3_4VREFINT)  || \
649                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_VREFINT)     || \
650                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_DAC1_CH1)    || \
651                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_DAC1_CH2)    || \
652                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO1)         || \
653                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO2))
654 #else
655 #define IS_COMP_INPUT_MINUS(__COMP_INSTANCE__, __INPUT_MINUS__) (((__INPUT_MINUS__) == COMP_INPUT_MINUS_1_4VREFINT)  || \
656                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_1_2VREFINT)  || \
657                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_3_4VREFINT)  || \
658                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_VREFINT)     || \
659                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_DAC1_CH1)    || \
660                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO1)         || \
661                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO2))
662 #endif /* COMP_CSR_INMESEL_1 && DAC_CHANNEL2_SUPPORT */
663 
664 #define IS_COMP_HYSTERESIS(__HYSTERESIS__)  (((__HYSTERESIS__) == COMP_HYSTERESIS_NONE)   || \
665                                              ((__HYSTERESIS__) == COMP_HYSTERESIS_LOW)    || \
666                                              ((__HYSTERESIS__) == COMP_HYSTERESIS_MEDIUM) || \
667                                              ((__HYSTERESIS__) == COMP_HYSTERESIS_HIGH))
668 
669 #define IS_COMP_OUTPUTPOL(__POL__)          (((__POL__) == COMP_OUTPUTPOL_NONINVERTED) || \
670                                              ((__POL__) == COMP_OUTPUTPOL_INVERTED))
671 
672 #if defined(COMP2)
673 #define IS_COMP_BLANKINGSRCE(__OUTPUT_BLANKING_SOURCE__)                    \
674   (((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_NONE)                  \
675    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM1_OC5_COMP1)     \
676    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM2_OC3_COMP1)     \
677    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM3_OC3_COMP1)     \
678    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM3_OC4_COMP2)     \
679    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM8_OC5_COMP2)     \
680    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM15_OC1_COMP2)    \
681   )
682 #else
683 #if defined(TIM3)
684 #define IS_COMP_BLANKINGSRCE(__OUTPUT_BLANKING_SOURCE__)                    \
685   (((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_NONE)                  \
686    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM1_OC5_COMP1)     \
687    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM2_OC3_COMP1)     \
688    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM3_OC3_COMP1)     \
689   )
690 #else
691 #define IS_COMP_BLANKINGSRCE(__OUTPUT_BLANKING_SOURCE__)                    \
692   (((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_NONE)                  \
693    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM1_OC5_COMP1)     \
694    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM2_OC3_COMP1)     \
695   )
696 #endif /* TIM3 */
697 #endif /* COMP2 */
698 
699 #if defined(COMP2)
700 #define IS_COMP_BLANKINGSRC_INSTANCE(__INSTANCE__, __OUTPUT_BLANKING_SOURCE__)  \
701   ((((__INSTANCE__) == COMP1) &&                                                \
702     (((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_NONE)            ||      \
703      ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM1_OC5_COMP1)  ||      \
704      ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM2_OC3_COMP1)  ||      \
705      ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM3_OC3_COMP1)))        \
706    ||                                                                           \
707    (((__INSTANCE__) == COMP2) &&                                                \
708     (((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_NONE)           ||       \
709      ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM3_OC4_COMP2) ||       \
710      ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM8_OC5_COMP2) ||       \
711      ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM15_OC1_COMP2))))
712 #else
713 #if defined(TIM3)
714 #define IS_COMP_BLANKINGSRC_INSTANCE(__INSTANCE__, __OUTPUT_BLANKING_SOURCE__)  \
715   (((__INSTANCE__) == COMP1) &&                                                 \
716    (((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_NONE)            ||       \
717     ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM1_OC5_COMP1)  ||       \
718     ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM2_OC3_COMP1)  ||       \
719     ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM3_OC3_COMP1)))
720 #else
721 #define IS_COMP_BLANKINGSRC_INSTANCE(__INSTANCE__, __OUTPUT_BLANKING_SOURCE__)  \
722   (((__INSTANCE__) == COMP1) &&                                                 \
723    (((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_NONE)            ||       \
724     ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM1_OC5_COMP1)  ||       \
725     ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM2_OC3_COMP1)  ))
726 #endif /* TIM3 */
727 #endif /* COMP2 */
728 
729 #define IS_COMP_TRIGGERMODE(__MODE__)       (((__MODE__) == COMP_TRIGGERMODE_NONE)                 || \
730                                              ((__MODE__) == COMP_TRIGGERMODE_IT_RISING)            || \
731                                              ((__MODE__) == COMP_TRIGGERMODE_IT_FALLING)           || \
732                                              ((__MODE__) == COMP_TRIGGERMODE_IT_RISING_FALLING)    || \
733                                              ((__MODE__) == COMP_TRIGGERMODE_EVENT_RISING)         || \
734                                              ((__MODE__) == COMP_TRIGGERMODE_EVENT_FALLING)        || \
735                                              ((__MODE__) == COMP_TRIGGERMODE_EVENT_RISING_FALLING))
736 
737 #define IS_COMP_OUTPUT_LEVEL(__OUTPUT_LEVEL__) (((__OUTPUT_LEVEL__) == COMP_OUTPUT_LEVEL_LOW)     || \
738                                                 ((__OUTPUT_LEVEL__) == COMP_OUTPUT_LEVEL_HIGH))
739 
740 /**
741   * @}
742   */
743 
744 /**
745   * @}
746   */
747 
748 
749 /* Exported functions --------------------------------------------------------*/
750 /** @addtogroup COMP_Exported_Functions
751   * @{
752   */
753 
754 /** @addtogroup COMP_Exported_Functions_Group1
755   * @{
756   */
757 
758 /* Initialization and de-initialization functions  **********************************/
759 HAL_StatusTypeDef HAL_COMP_Init(COMP_HandleTypeDef *hcomp);
760 HAL_StatusTypeDef HAL_COMP_DeInit(COMP_HandleTypeDef *hcomp);
761 void              HAL_COMP_MspInit(COMP_HandleTypeDef *hcomp);
762 void              HAL_COMP_MspDeInit(COMP_HandleTypeDef *hcomp);
763 
764 #if (USE_HAL_COMP_REGISTER_CALLBACKS == 1)
765 /* Callbacks Register/UnRegister functions  ***********************************/
766 HAL_StatusTypeDef HAL_COMP_RegisterCallback(COMP_HandleTypeDef *hcomp, HAL_COMP_CallbackIDTypeDef CallbackID,
767                                             pCOMP_CallbackTypeDef pCallback);
768 HAL_StatusTypeDef HAL_COMP_UnRegisterCallback(COMP_HandleTypeDef *hcomp, HAL_COMP_CallbackIDTypeDef CallbackID);
769 #endif /* USE_HAL_COMP_REGISTER_CALLBACKS */
770 /**
771   * @}
772   */
773 
774 /* IO operation functions  *****************************************************/
775 /** @addtogroup COMP_Exported_Functions_Group2
776   * @{
777   */
778 HAL_StatusTypeDef HAL_COMP_Start(COMP_HandleTypeDef *hcomp);
779 HAL_StatusTypeDef HAL_COMP_Stop(COMP_HandleTypeDef *hcomp);
780 void              HAL_COMP_IRQHandler(COMP_HandleTypeDef *hcomp);
781 /**
782   * @}
783   */
784 
785 /* Peripheral Control functions  ************************************************/
786 /** @addtogroup COMP_Exported_Functions_Group3
787   * @{
788   */
789 HAL_StatusTypeDef HAL_COMP_Lock(COMP_HandleTypeDef *hcomp);
790 uint32_t          HAL_COMP_GetOutputLevel(const COMP_HandleTypeDef *hcomp);
791 /* Callback in interrupt mode */
792 void              HAL_COMP_TriggerCallback(COMP_HandleTypeDef *hcomp);
793 /**
794   * @}
795   */
796 
797 /* Peripheral State functions  **************************************************/
798 /** @addtogroup COMP_Exported_Functions_Group4
799   * @{
800   */
801 HAL_COMP_StateTypeDef HAL_COMP_GetState(const COMP_HandleTypeDef *hcomp);
802 uint32_t              HAL_COMP_GetError(const COMP_HandleTypeDef *hcomp);
803 /**
804   * @}
805   */
806 
807 /**
808   * @}
809   */
810 
811 /**
812   * @}
813   */
814 #endif /* COMP1 || COMP2 */
815 /**
816   * @}
817   */
818 
819 #ifdef __cplusplus
820 }
821 #endif
822 
823 #endif /* STM32L4xx_HAL_COMP_H */
824