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 instance of the pair of COMP instances composing window mode.
55                                     This parameter can be a value of @ref COMP_WindowMode */
56 #endif /* COMP2 */
57 
58   uint32_t Mode;               /*!< Set comparator operating mode to adjust power and speed.
59                                     Note: For the characteristics of comparator power modes
60                                           (propagation delay and power consumption), refer to device datasheet.
61                                     This parameter can be a value of @ref COMP_PowerMode */
62 
63   uint32_t NonInvertingInput;  /*!< Set comparator input plus (non-inverting input).
64                                     This parameter can be a value of @ref COMP_InputPlus */
65 
66   uint32_t InvertingInput;     /*!< Set comparator input minus (inverting input).
67                                     This parameter can be a value of @ref COMP_InputMinus */
68 
69   uint32_t Hysteresis;         /*!< Set comparator hysteresis mode of the input minus.
70                                     This parameter can be a value of @ref COMP_Hysteresis */
71 
72   uint32_t OutputPol;          /*!< Set comparator output polarity.
73                                     This parameter can be a value of @ref COMP_OutputPolarity */
74 
75   uint32_t BlankingSrce;       /*!< Set comparator blanking source.
76                                     This parameter can be a value of @ref COMP_BlankingSrce */
77 
78   uint32_t TriggerMode;        /*!< Set the comparator output triggering External Interrupt Line (EXTI).
79                                     This parameter can be a value of @ref COMP_EXTI_TriggerMode */
80 
81 } COMP_InitTypeDef;
82 
83 /**
84   * @brief  HAL COMP state machine: HAL COMP states definition
85   */
86 #define COMP_STATE_BITFIELD_LOCK  (0x10U)
87 typedef enum
88 {
89   HAL_COMP_STATE_RESET             = 0x00U,                                             /*!< COMP not yet initialized                             */
90   HAL_COMP_STATE_RESET_LOCKED      = (HAL_COMP_STATE_RESET | COMP_STATE_BITFIELD_LOCK), /*!< COMP not yet initialized and configuration is locked */
91   HAL_COMP_STATE_READY             = 0x01U,                                             /*!< COMP initialized and ready for use                   */
92   HAL_COMP_STATE_READY_LOCKED      = (HAL_COMP_STATE_READY | COMP_STATE_BITFIELD_LOCK), /*!< COMP initialized but configuration is locked         */
93   HAL_COMP_STATE_BUSY              = 0x02U,                                             /*!< COMP is running                                      */
94   HAL_COMP_STATE_BUSY_LOCKED       = (HAL_COMP_STATE_BUSY | COMP_STATE_BITFIELD_LOCK)   /*!< COMP is running and configuration is locked          */
95 } HAL_COMP_StateTypeDef;
96 
97 /**
98   * @brief  COMP Handle Structure definition
99   */
100 #if (USE_HAL_COMP_REGISTER_CALLBACKS == 1)
101 typedef struct __COMP_HandleTypeDef
102 #else
103 typedef struct
104 #endif /* USE_HAL_COMP_REGISTER_CALLBACKS */
105 {
106   COMP_TypeDef       *Instance;       /*!< Register base address    */
107   COMP_InitTypeDef   Init;            /*!< COMP required parameters */
108   HAL_LockTypeDef    Lock;            /*!< Locking object           */
109   __IO HAL_COMP_StateTypeDef  State;  /*!< COMP communication state */
110   __IO uint32_t      ErrorCode;       /*!< COMP error code */
111 #if (USE_HAL_COMP_REGISTER_CALLBACKS == 1)
112   void (* TriggerCallback)(struct __COMP_HandleTypeDef *hcomp);   /*!< COMP trigger callback */
113   void (* MspInitCallback)(struct __COMP_HandleTypeDef *hcomp);   /*!< COMP Msp Init callback */
114   void (* MspDeInitCallback)(struct __COMP_HandleTypeDef *hcomp); /*!< COMP Msp DeInit callback */
115 #endif /* USE_HAL_COMP_REGISTER_CALLBACKS */
116 } COMP_HandleTypeDef;
117 
118 #if (USE_HAL_COMP_REGISTER_CALLBACKS == 1)
119 /**
120   * @brief  HAL COMP Callback ID enumeration definition
121   */
122 typedef enum
123 {
124   HAL_COMP_TRIGGER_CB_ID                = 0x00U,  /*!< COMP trigger callback ID */
125   HAL_COMP_MSPINIT_CB_ID                = 0x01U,  /*!< COMP Msp Init callback ID */
126   HAL_COMP_MSPDEINIT_CB_ID              = 0x02U   /*!< COMP Msp DeInit callback ID */
127 } HAL_COMP_CallbackIDTypeDef;
128 
129 /**
130   * @brief  HAL COMP Callback pointer definition
131   */
132 typedef  void (*pCOMP_CallbackTypeDef)(COMP_HandleTypeDef *hcomp); /*!< pointer to a COMP callback function */
133 
134 #endif /* USE_HAL_COMP_REGISTER_CALLBACKS */
135 
136 /**
137   * @}
138   */
139 
140 /* Exported constants --------------------------------------------------------*/
141 /** @defgroup COMP_Exported_Constants COMP Exported Constants
142   * @{
143   */
144 
145 /** @defgroup COMP_Error_Code COMP Error Code
146   * @{
147   */
148 #define HAL_COMP_ERROR_NONE             (0x00UL)  /*!< No error */
149 #if (USE_HAL_COMP_REGISTER_CALLBACKS == 1)
150 #define HAL_COMP_ERROR_INVALID_CALLBACK (0x01UL)  /*!< Invalid Callback error */
151 #endif /* USE_HAL_COMP_REGISTER_CALLBACKS */
152 /**
153   * @}
154   */
155 
156 #if defined(COMP2)
157 /** @defgroup COMP_WindowMode COMP Window Mode
158   * @{
159   */
160 #define COMP_WINDOWMODE_DISABLE                 (0x00000000UL)         /*!< Window mode disable: Comparators instances pair COMP1 and COMP2 are independent */
161 #define COMP_WINDOWMODE_COMP1_INPUT_PLUS_COMMON (COMP_CSR_WINMODE)     /*!< Window mode enable: Comparators instances pair COMP1 and COMP2 have their input plus connected together. The common input is COMP1 input plus (COMP2 input plus is no more accessible). */
162 /**
163   * @}
164   */
165 #endif /* COMP2 */
166 
167 /** @defgroup COMP_PowerMode COMP power mode
168   * @{
169   */
170 /* Note: For the characteristics of comparator power modes                    */
171 /*       (propagation delay and power consumption),                           */
172 /*       refer to device datasheet.                                           */
173 #define COMP_POWERMODE_HIGHSPEED       (0x00000000UL)         /*!< High Speed */
174 #define COMP_POWERMODE_MEDIUMSPEED     (COMP_CSR_PWRMODE_0)   /*!< Medium Speed */
175 #define COMP_POWERMODE_ULTRALOWPOWER   (COMP_CSR_PWRMODE)     /*!< Ultra-low power mode */
176 /**
177   * @}
178   */
179 
180 /** @defgroup COMP_InputPlus COMP input plus (non-inverting input)
181   * @{
182   */
183 #define COMP_INPUT_PLUS_IO1            (0x00000000UL)         /*!< Comparator input plus connected to IO1 (pin PC5 for COMP1, pin PB4 for COMP2) */
184 #define COMP_INPUT_PLUS_IO2            (COMP_CSR_INPSEL_0)    /*!< Comparator input plus connected to IO2 (pin PB2 for COMP1, pin PB6 for COMP2) */
185 #if defined(COMP_CSR_INPSEL_1)
186 #define COMP_INPUT_PLUS_IO3            (COMP_CSR_INPSEL_1)    /*!< Comparator input plus connected to IO3 (pin PA1 for COMP1, pin PA3 for COMP2) */
187 #endif
188 /**
189   * @}
190   */
191 
192 /** @defgroup COMP_InputMinus COMP input minus (inverting input)
193   * @{
194   */
195 #define COMP_INPUT_MINUS_1_4VREFINT    (                                                            COMP_CSR_SCALEN | COMP_CSR_BRGEN)        /*!< Comparator input minus connected to 1/4 VrefInt */
196 #define COMP_INPUT_MINUS_1_2VREFINT    (                                        COMP_CSR_INMSEL_0 | COMP_CSR_SCALEN | COMP_CSR_BRGEN)        /*!< Comparator input minus connected to 1/2 VrefInt */
197 #define COMP_INPUT_MINUS_3_4VREFINT    (                    COMP_CSR_INMSEL_1                     | COMP_CSR_SCALEN | COMP_CSR_BRGEN)        /*!< Comparator input minus connected to 3/4 VrefInt */
198 #define COMP_INPUT_MINUS_VREFINT       (                    COMP_CSR_INMSEL_1 | COMP_CSR_INMSEL_0 | COMP_CSR_SCALEN                 )        /*!< Comparator input minus connected to VrefInt */
199 #define COMP_INPUT_MINUS_DAC1_CH1      (COMP_CSR_INMSEL_2                                        )                                           /*!< Comparator input minus connected to DAC1 channel 1 (DAC_OUT1) */
200 #if defined(DAC_CHANNEL2_SUPPORT)
201 #define COMP_INPUT_MINUS_DAC1_CH2      (COMP_CSR_INMSEL_2                     | COMP_CSR_INMSEL_0)                                           /*!< Comparator input minus connected to DAC1 channel 2 (DAC_OUT2) */
202 #endif /* DAC_CHANNEL2_SUPPORT */
203 #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) */
204 #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) */
205 #if defined(COMP_CSR_INMESEL_1)
206 #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) */
207 #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) */
208 #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) */
209 #endif /* COMP_CSR_INMESEL_1 */
210 /**
211   * @}
212   */
213 
214 /** @defgroup COMP_Hysteresis COMP hysteresis
215   * @{
216   */
217 #define COMP_HYSTERESIS_NONE           (0x00000000UL)                       /*!< No hysteresis */
218 #define COMP_HYSTERESIS_LOW            (                  COMP_CSR_HYST_0)  /*!< Hysteresis level low */
219 #define COMP_HYSTERESIS_MEDIUM         (COMP_CSR_HYST_1                  )  /*!< Hysteresis level medium */
220 #define COMP_HYSTERESIS_HIGH           (COMP_CSR_HYST_1 | COMP_CSR_HYST_0)  /*!< Hysteresis level high */
221 /**
222   * @}
223   */
224 
225 /** @defgroup COMP_OutputPolarity COMP output Polarity
226   * @{
227   */
228 #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) */
229 #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) */
230 /**
231   * @}
232   */
233 
234 /** @defgroup COMP_BlankingSrce  COMP blanking source
235   * @{
236   */
237 #define COMP_BLANKINGSRC_NONE            (0x00000000UL)          /*!<Comparator output without blanking */
238 #define COMP_BLANKINGSRC_TIM1_OC5_COMP1  (COMP_CSR_BLANKING_0)   /*!< Comparator output blanking source TIM1 OC5 (specific to COMP instance: COMP1) */
239 #define COMP_BLANKINGSRC_TIM2_OC3_COMP1  (COMP_CSR_BLANKING_1)   /*!< Comparator output blanking source TIM2 OC3 (specific to COMP instance: COMP1) */
240 #define COMP_BLANKINGSRC_TIM3_OC3_COMP1  (COMP_CSR_BLANKING_2)   /*!< Comparator output blanking source TIM3 OC3 (specific to COMP instance: COMP1) */
241 #define COMP_BLANKINGSRC_TIM3_OC4_COMP2  (COMP_CSR_BLANKING_0)   /*!< Comparator output blanking source TIM3 OC4 (specific to COMP instance: COMP2) */
242 #define COMP_BLANKINGSRC_TIM8_OC5_COMP2  (COMP_CSR_BLANKING_1)   /*!< Comparator output blanking source TIM8 OC5 (specific to COMP instance: COMP2) */
243 #define COMP_BLANKINGSRC_TIM15_OC1_COMP2 (COMP_CSR_BLANKING_2)   /*!< Comparator output blanking source TIM15 OC1 (specific to COMP instance: COMP2) */
244 /**
245   * @}
246   */
247 
248 /** @defgroup COMP_OutputLevel COMP Output Level
249   * @{
250   */
251 /* Note: Comparator output level values are fixed to "0" and "1",             */
252 /* corresponding COMP register bit is managed by HAL function to match        */
253 /* with these values (independently of bit position in register).             */
254 
255 /* When output polarity is not inverted, comparator output is low when
256    the input plus is at a lower voltage than the input minus */
257 #define COMP_OUTPUT_LEVEL_LOW              (0x00000000UL)
258 /* When output polarity is not inverted, comparator output is high when
259    the input plus is at a higher voltage than the input minus */
260 #define COMP_OUTPUT_LEVEL_HIGH             (0x00000001UL)
261 /**
262   * @}
263   */
264 
265 /** @defgroup COMP_EXTI_TriggerMode COMP output to EXTI
266   * @{
267   */
268 #define COMP_TRIGGERMODE_NONE                 (0x00000000UL)                                            /*!< Comparator output triggering no External Interrupt Line */
269 #define COMP_TRIGGERMODE_IT_RISING            (COMP_EXTI_IT | COMP_EXTI_RISING)                         /*!< Comparator output triggering External Interrupt Line event with interruption, on rising edge */
270 #define COMP_TRIGGERMODE_IT_FALLING           (COMP_EXTI_IT | COMP_EXTI_FALLING)                        /*!< Comparator output triggering External Interrupt Line event with interruption, on falling edge */
271 #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 */
272 #define COMP_TRIGGERMODE_EVENT_RISING         (COMP_EXTI_EVENT | COMP_EXTI_RISING)                      /*!< Comparator output triggering External Interrupt Line event only (without interruption), on rising edge */
273 #define COMP_TRIGGERMODE_EVENT_FALLING        (COMP_EXTI_EVENT | COMP_EXTI_FALLING)                     /*!< Comparator output triggering External Interrupt Line event only (without interruption), on falling edge */
274 #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 */
275 /**
276   * @}
277   */
278 
279 /**
280   * @}
281   */
282 
283 /* Exported macro ------------------------------------------------------------*/
284 /** @defgroup COMP_Exported_Macros COMP Exported Macros
285   * @{
286   */
287 
288 /** @defgroup COMP_Handle_Management  COMP Handle Management
289   * @{
290   */
291 
292 /** @brief  Reset COMP handle state.
293   * @param  __HANDLE__  COMP handle
294   * @retval None
295   */
296 #if (USE_HAL_COMP_REGISTER_CALLBACKS == 1)
297 #define __HAL_COMP_RESET_HANDLE_STATE(__HANDLE__) do{                                                  \
298                                                       (__HANDLE__)->State = HAL_COMP_STATE_RESET;      \
299                                                       (__HANDLE__)->MspInitCallback = NULL;            \
300                                                       (__HANDLE__)->MspDeInitCallback = NULL;          \
301                                                     } while(0)
302 #else
303 #define __HAL_COMP_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_COMP_STATE_RESET)
304 #endif /* USE_HAL_COMP_REGISTER_CALLBACKS */
305 
306 /**
307   * @brief Clear COMP error code (set it to no error code "HAL_COMP_ERROR_NONE").
308   * @param __HANDLE__ COMP handle
309   * @retval None
310   */
311 #define COMP_CLEAR_ERRORCODE(__HANDLE__) ((__HANDLE__)->ErrorCode = HAL_COMP_ERROR_NONE)
312 
313 /**
314   * @brief  Enable the specified comparator.
315   * @param  __HANDLE__  COMP handle
316   * @retval None
317   */
318 #define __HAL_COMP_ENABLE(__HANDLE__)              SET_BIT((__HANDLE__)->Instance->CSR, COMP_CSR_EN)
319 
320 /**
321   * @brief  Disable the specified comparator.
322   * @param  __HANDLE__  COMP handle
323   * @retval None
324   */
325 #define __HAL_COMP_DISABLE(__HANDLE__)             CLEAR_BIT((__HANDLE__)->Instance->CSR, COMP_CSR_EN)
326 
327 /**
328   * @brief  Lock the specified comparator configuration.
329   * @note   Using this macro induce HAL COMP handle state machine being no
330   *         more in line with COMP instance state.
331   *         To keep HAL COMP handle state machine updated, it is recommended
332   *         to use function "HAL_COMP_Lock')".
333   * @param  __HANDLE__  COMP handle
334   * @retval None
335   */
336 #define __HAL_COMP_LOCK(__HANDLE__)                SET_BIT((__HANDLE__)->Instance->CSR, COMP_CSR_LOCK)
337 
338 /**
339   * @brief  Check whether the specified comparator is locked.
340   * @param  __HANDLE__  COMP handle
341   * @retval Value 0 if COMP instance is not locked, value 1 if COMP instance is locked
342   */
343 #define __HAL_COMP_IS_LOCKED(__HANDLE__)           (READ_BIT((__HANDLE__)->Instance->CSR, COMP_CSR_LOCK) == COMP_CSR_LOCK)
344 
345 /**
346   * @}
347   */
348 
349 /** @defgroup COMP_Exti_Management  COMP external interrupt line management
350   * @{
351   */
352 
353 /**
354   * @brief  Enable the COMP1 EXTI line rising edge trigger.
355   * @retval None
356   */
357 #define __HAL_COMP_COMP1_EXTI_ENABLE_RISING_EDGE()    LL_EXTI_EnableRisingTrig_0_31(COMP_EXTI_LINE_COMP1)
358 
359 /**
360   * @brief  Disable the COMP1 EXTI line rising edge trigger.
361   * @retval None
362   */
363 #define __HAL_COMP_COMP1_EXTI_DISABLE_RISING_EDGE()   LL_EXTI_DisableRisingTrig_0_31(COMP_EXTI_LINE_COMP1)
364 
365 /**
366   * @brief  Enable the COMP1 EXTI line falling edge trigger.
367   * @retval None
368   */
369 #define __HAL_COMP_COMP1_EXTI_ENABLE_FALLING_EDGE()   LL_EXTI_EnableFallingTrig_0_31(COMP_EXTI_LINE_COMP1)
370 
371 /**
372   * @brief  Disable the COMP1 EXTI line falling edge trigger.
373   * @retval None
374   */
375 #define __HAL_COMP_COMP1_EXTI_DISABLE_FALLING_EDGE()  LL_EXTI_DisableFallingTrig_0_31(COMP_EXTI_LINE_COMP1)
376 
377 /**
378   * @brief  Enable the COMP1 EXTI line rising & falling edge trigger.
379   * @retval None
380   */
381 #define __HAL_COMP_COMP1_EXTI_ENABLE_RISING_FALLING_EDGE()   do { \
382                                                                LL_EXTI_EnableRisingTrig_0_31(COMP_EXTI_LINE_COMP1); \
383                                                                LL_EXTI_EnableFallingTrig_0_31(COMP_EXTI_LINE_COMP1); \
384                                                              } while(0)
385 
386 /**
387   * @brief  Disable the COMP1 EXTI line rising & falling edge trigger.
388   * @retval None
389   */
390 #define __HAL_COMP_COMP1_EXTI_DISABLE_RISING_FALLING_EDGE()  do { \
391                                                                LL_EXTI_DisableRisingTrig_0_31(COMP_EXTI_LINE_COMP1); \
392                                                                LL_EXTI_DisableFallingTrig_0_31(COMP_EXTI_LINE_COMP1); \
393                                                              } while(0)
394 
395 /**
396   * @brief  Enable the COMP1 EXTI line in interrupt mode.
397   * @retval None
398   */
399 #define __HAL_COMP_COMP1_EXTI_ENABLE_IT()             LL_EXTI_EnableIT_0_31(COMP_EXTI_LINE_COMP1)
400 
401 /**
402   * @brief  Disable the COMP1 EXTI line in interrupt mode.
403   * @retval None
404   */
405 #define __HAL_COMP_COMP1_EXTI_DISABLE_IT()            LL_EXTI_DisableIT_0_31(COMP_EXTI_LINE_COMP1)
406 
407 /**
408   * @brief  Generate a software interrupt on the COMP1 EXTI line.
409   * @retval None
410   */
411 #define __HAL_COMP_COMP1_EXTI_GENERATE_SWIT()         LL_EXTI_GenerateSWI_0_31(COMP_EXTI_LINE_COMP1)
412 
413 /**
414   * @brief  Enable the COMP1 EXTI line in event mode.
415   * @retval None
416   */
417 #define __HAL_COMP_COMP1_EXTI_ENABLE_EVENT()          LL_EXTI_EnableEvent_0_31(COMP_EXTI_LINE_COMP1)
418 
419 /**
420   * @brief  Disable the COMP1 EXTI line in event mode.
421   * @retval None
422   */
423 #define __HAL_COMP_COMP1_EXTI_DISABLE_EVENT()         LL_EXTI_DisableEvent_0_31(COMP_EXTI_LINE_COMP1)
424 
425 /**
426   * @brief  Check whether the COMP1 EXTI line flag is set.
427   * @retval RESET or SET
428   */
429 #define __HAL_COMP_COMP1_EXTI_GET_FLAG()              LL_EXTI_IsActiveFlag_0_31(COMP_EXTI_LINE_COMP1)
430 
431 /**
432   * @brief  Clear the COMP1 EXTI flag.
433   * @retval None
434   */
435 #define __HAL_COMP_COMP1_EXTI_CLEAR_FLAG()            LL_EXTI_ClearFlag_0_31(COMP_EXTI_LINE_COMP1)
436 
437 #if defined(COMP2)
438 /**
439   * @brief  Enable the COMP2 EXTI line rising edge trigger.
440   * @retval None
441   */
442 #define __HAL_COMP_COMP2_EXTI_ENABLE_RISING_EDGE()    LL_EXTI_EnableRisingTrig_0_31(COMP_EXTI_LINE_COMP2)
443 
444 /**
445   * @brief  Disable the COMP2 EXTI line rising edge trigger.
446   * @retval None
447   */
448 #define __HAL_COMP_COMP2_EXTI_DISABLE_RISING_EDGE()   LL_EXTI_DisableRisingTrig_0_31(COMP_EXTI_LINE_COMP2)
449 
450 /**
451   * @brief  Enable the COMP2 EXTI line falling edge trigger.
452   * @retval None
453   */
454 #define __HAL_COMP_COMP2_EXTI_ENABLE_FALLING_EDGE()   LL_EXTI_EnableFallingTrig_0_31(COMP_EXTI_LINE_COMP2)
455 
456 /**
457   * @brief  Disable the COMP2 EXTI line falling edge trigger.
458   * @retval None
459   */
460 #define __HAL_COMP_COMP2_EXTI_DISABLE_FALLING_EDGE()  LL_EXTI_DisableFallingTrig_0_31(COMP_EXTI_LINE_COMP2)
461 
462 /**
463   * @brief  Enable the COMP2 EXTI line rising & falling edge trigger.
464   * @retval None
465   */
466 #define __HAL_COMP_COMP2_EXTI_ENABLE_RISING_FALLING_EDGE()   do { \
467                                                                LL_EXTI_EnableRisingTrig_0_31(COMP_EXTI_LINE_COMP2); \
468                                                                LL_EXTI_EnableFallingTrig_0_31(COMP_EXTI_LINE_COMP2); \
469                                                              } while(0)
470 
471 /**
472   * @brief  Disable the COMP2 EXTI line rising & falling edge trigger.
473   * @retval None
474   */
475 #define __HAL_COMP_COMP2_EXTI_DISABLE_RISING_FALLING_EDGE()  do { \
476                                                                LL_EXTI_DisableRisingTrig_0_31(COMP_EXTI_LINE_COMP2); \
477                                                                LL_EXTI_DisableFallingTrig_0_31(COMP_EXTI_LINE_COMP2); \
478                                                              } while(0)
479 
480 /**
481   * @brief  Enable the COMP2 EXTI line in interrupt mode.
482   * @retval None
483   */
484 #define __HAL_COMP_COMP2_EXTI_ENABLE_IT()             LL_EXTI_EnableIT_0_31(COMP_EXTI_LINE_COMP2)
485 
486 /**
487   * @brief  Disable the COMP2 EXTI line in interrupt mode.
488   * @retval None
489   */
490 #define __HAL_COMP_COMP2_EXTI_DISABLE_IT()            LL_EXTI_DisableIT_0_31(COMP_EXTI_LINE_COMP2)
491 
492 /**
493   * @brief  Generate a software interrupt on the COMP2 EXTI line.
494   * @retval None
495   */
496 #define __HAL_COMP_COMP2_EXTI_GENERATE_SWIT()         LL_EXTI_GenerateSWI_0_31(COMP_EXTI_LINE_COMP2)
497 
498 /**
499   * @brief  Enable the COMP2 EXTI line in event mode.
500   * @retval None
501   */
502 #define __HAL_COMP_COMP2_EXTI_ENABLE_EVENT()          LL_EXTI_EnableEvent_0_31(COMP_EXTI_LINE_COMP2)
503 
504 /**
505   * @brief  Disable the COMP2 EXTI line in event mode.
506   * @retval None
507   */
508 #define __HAL_COMP_COMP2_EXTI_DISABLE_EVENT()         LL_EXTI_DisableEvent_0_31(COMP_EXTI_LINE_COMP2)
509 
510 /**
511   * @brief  Check whether the COMP2 EXTI line flag is set.
512   * @retval RESET or SET
513   */
514 #define __HAL_COMP_COMP2_EXTI_GET_FLAG()              LL_EXTI_IsActiveFlag_0_31(COMP_EXTI_LINE_COMP2)
515 
516 /**
517   * @brief  Clear the COMP2 EXTI flag.
518   * @retval None
519   */
520 #define __HAL_COMP_COMP2_EXTI_CLEAR_FLAG()            LL_EXTI_ClearFlag_0_31(COMP_EXTI_LINE_COMP2)
521 
522 #endif /* COMP2 */
523 /**
524   * @}
525   */
526 
527 /**
528   * @}
529   */
530 
531 
532 /* Private types -------------------------------------------------------------*/
533 /* Private constants ---------------------------------------------------------*/
534 /** @defgroup COMP_Private_Constants COMP Private Constants
535   * @{
536   */
537 
538 /** @defgroup COMP_ExtiLine COMP EXTI Lines
539   * @{
540   */
541 #define COMP_EXTI_LINE_COMP1           (LL_EXTI_LINE_21)  /*!< EXTI line 21 connected to COMP1 output */
542 #if defined(COMP2)
543 #define COMP_EXTI_LINE_COMP2           (LL_EXTI_LINE_22)  /*!< EXTI line 22 connected to COMP2 output */
544 #endif /* COMP2 */
545 /**
546   * @}
547   */
548 
549 /** @defgroup COMP_ExtiLine COMP EXTI Lines
550   * @{
551   */
552 #define COMP_EXTI_IT                        (0x00000001UL)  /*!< EXTI line event with interruption */
553 #define COMP_EXTI_EVENT                     (0x00000002UL)  /*!< EXTI line event only (without interruption) */
554 #define COMP_EXTI_RISING                    (0x00000010UL)  /*!< EXTI line event on rising edge */
555 #define COMP_EXTI_FALLING                   (0x00000020UL)  /*!< EXTI line event on falling edge */
556 /**
557   * @}
558   */
559 
560 /**
561   * @}
562   */
563 
564 /* Private macros ------------------------------------------------------------*/
565 /** @defgroup COMP_Private_Macros COMP Private Macros
566   * @{
567   */
568 
569 /** @defgroup COMP_GET_EXTI_LINE COMP private macros to get EXTI line associated with comparators
570   * @{
571   */
572 /**
573   * @brief  Get the specified EXTI line for a comparator instance.
574   * @param  __INSTANCE__  specifies the COMP instance.
575   * @retval value of @ref COMP_ExtiLine
576   */
577 #if defined(COMP2)
578 #define COMP_GET_EXTI_LINE(__INSTANCE__)    (((__INSTANCE__) == COMP1) ? COMP_EXTI_LINE_COMP1  \
579                                              : COMP_EXTI_LINE_COMP2)
580 #else
581 #define COMP_GET_EXTI_LINE(__INSTANCE__)    COMP_EXTI_LINE_COMP1
582 #endif /* COMP2 */
583 /**
584   * @}
585   */
586 
587 /** @defgroup COMP_IS_COMP_Private_Definitions COMP private macros to check input parameters
588   * @{
589   */
590 #if defined(COMP2)
591 #define IS_COMP_WINDOWMODE(__WINDOWMODE__)  (((__WINDOWMODE__) == COMP_WINDOWMODE_DISABLE)                || \
592                                              ((__WINDOWMODE__) == COMP_WINDOWMODE_COMP1_INPUT_PLUS_COMMON)  )
593 #endif /* COMP2 */
594 
595 #define IS_COMP_POWERMODE(__POWERMODE__)    (((__POWERMODE__) == COMP_POWERMODE_HIGHSPEED)    || \
596                                              ((__POWERMODE__) == COMP_POWERMODE_MEDIUMSPEED)  || \
597                                              ((__POWERMODE__) == COMP_POWERMODE_ULTRALOWPOWER)  )
598 
599 #if defined(COMP_CSR_INPSEL_1)
600 #define IS_COMP_INPUT_PLUS(__COMP_INSTANCE__, __INPUT_PLUS__) (((__INPUT_PLUS__) == COMP_INPUT_PLUS_IO1) || \
601                                                                ((__INPUT_PLUS__) == COMP_INPUT_PLUS_IO2) || \
602                                                                ((__INPUT_PLUS__) == COMP_INPUT_PLUS_IO3))
603 #else
604 #define IS_COMP_INPUT_PLUS(__COMP_INSTANCE__, __INPUT_PLUS__) (((__INPUT_PLUS__) == COMP_INPUT_PLUS_IO1) || \
605                                                                ((__INPUT_PLUS__) == COMP_INPUT_PLUS_IO2))
606 #endif
607 
608 /* Note: On this STM32 series, comparator input minus parameters are          */
609 /*       the same on all COMP instances.                                      */
610 /*       However, comparator instance kept as macro parameter for             */
611 /*       compatibility with other STM32 families.                             */
612 #if defined(COMP_CSR_INMESEL_1) && defined(DAC_CHANNEL2_SUPPORT)
613 #define IS_COMP_INPUT_MINUS(__COMP_INSTANCE__, __INPUT_MINUS__) (((__INPUT_MINUS__) == COMP_INPUT_MINUS_1_4VREFINT)  || \
614                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_1_2VREFINT)  || \
615                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_3_4VREFINT)  || \
616                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_VREFINT)     || \
617                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_DAC1_CH1)    || \
618                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_DAC1_CH2)    || \
619                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO1)         || \
620                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO2)         || \
621                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO3)         || \
622                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO4)         || \
623                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO5))
624 #elif defined(COMP_CSR_INMESEL_1)
625 #define IS_COMP_INPUT_MINUS(__COMP_INSTANCE__, __INPUT_MINUS__) (((__INPUT_MINUS__) == COMP_INPUT_MINUS_1_4VREFINT)  || \
626                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_1_2VREFINT)  || \
627                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_3_4VREFINT)  || \
628                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_VREFINT)     || \
629                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_DAC1_CH1)    || \
630                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO1)         || \
631                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO2)         || \
632                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO3)         || \
633                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO4)         || \
634                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO5))
635 #elif defined(DAC_CHANNEL2_SUPPORT)
636 #define IS_COMP_INPUT_MINUS(__COMP_INSTANCE__, __INPUT_MINUS__) (((__INPUT_MINUS__) == COMP_INPUT_MINUS_1_4VREFINT)  || \
637                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_1_2VREFINT)  || \
638                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_3_4VREFINT)  || \
639                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_VREFINT)     || \
640                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_DAC1_CH1)    || \
641                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_DAC1_CH2)    || \
642                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO1)         || \
643                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO2))
644 #else
645 #define IS_COMP_INPUT_MINUS(__COMP_INSTANCE__, __INPUT_MINUS__) (((__INPUT_MINUS__) == COMP_INPUT_MINUS_1_4VREFINT)  || \
646                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_1_2VREFINT)  || \
647                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_3_4VREFINT)  || \
648                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_VREFINT)     || \
649                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_DAC1_CH1)    || \
650                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO1)         || \
651                                                                  ((__INPUT_MINUS__) == COMP_INPUT_MINUS_IO2))
652 #endif /* COMP_CSR_INMESEL_1 && DAC_CHANNEL2_SUPPORT */
653 
654 #define IS_COMP_HYSTERESIS(__HYSTERESIS__)  (((__HYSTERESIS__) == COMP_HYSTERESIS_NONE)   || \
655                                              ((__HYSTERESIS__) == COMP_HYSTERESIS_LOW)    || \
656                                              ((__HYSTERESIS__) == COMP_HYSTERESIS_MEDIUM) || \
657                                              ((__HYSTERESIS__) == COMP_HYSTERESIS_HIGH))
658 
659 #define IS_COMP_OUTPUTPOL(__POL__)          (((__POL__) == COMP_OUTPUTPOL_NONINVERTED) || \
660                                              ((__POL__) == COMP_OUTPUTPOL_INVERTED))
661 
662 #if defined(COMP2)
663 #define IS_COMP_BLANKINGSRCE(__OUTPUT_BLANKING_SOURCE__)                    \
664   (   ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_NONE)               \
665    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM1_OC5_COMP1)     \
666    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM2_OC3_COMP1)     \
667    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM3_OC3_COMP1)     \
668    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM3_OC4_COMP2)     \
669    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM8_OC5_COMP2)     \
670    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM15_OC1_COMP2)    \
671   )
672 #else
673 #if defined(TIM3)
674 #define IS_COMP_BLANKINGSRCE(__OUTPUT_BLANKING_SOURCE__)                    \
675   (   ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_NONE)               \
676    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM1_OC5_COMP1)     \
677    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM2_OC3_COMP1)     \
678    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM3_OC3_COMP1)     \
679   )
680 #else
681 #define IS_COMP_BLANKINGSRCE(__OUTPUT_BLANKING_SOURCE__)                    \
682   (   ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_NONE)               \
683    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM1_OC5_COMP1)     \
684    || ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM2_OC3_COMP1)     \
685   )
686 #endif /* TIM3 */
687 #endif /* COMP2 */
688 
689 #if defined(COMP2)
690 #define IS_COMP_BLANKINGSRC_INSTANCE(__INSTANCE__, __OUTPUT_BLANKING_SOURCE__)  \
691    ((((__INSTANCE__) == COMP1) &&                                               \
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      ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM3_OC3_COMP1)))        \
696     ||                                                                          \
697     (((__INSTANCE__) == COMP2) &&                                               \
698      (((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_NONE)           ||      \
699       ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM3_OC4_COMP2) ||      \
700       ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM8_OC5_COMP2) ||      \
701       ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM15_OC1_COMP2))))
702 #else
703 #if defined(TIM3)
704      #define IS_COMP_BLANKINGSRC_INSTANCE(__INSTANCE__, __OUTPUT_BLANKING_SOURCE__)  \
705     (((__INSTANCE__) == COMP1) &&                                               \
706     (((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_NONE)            ||      \
707      ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM1_OC5_COMP1)  ||      \
708      ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM2_OC3_COMP1)  ||      \
709      ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM3_OC3_COMP1)))
710 #else
711      #define IS_COMP_BLANKINGSRC_INSTANCE(__INSTANCE__, __OUTPUT_BLANKING_SOURCE__)  \
712     (((__INSTANCE__) == COMP1) &&                                               \
713     (((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_NONE)            ||      \
714      ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM1_OC5_COMP1)  ||      \
715      ((__OUTPUT_BLANKING_SOURCE__) == COMP_BLANKINGSRC_TIM2_OC3_COMP1)  ))
716 #endif /* TIM3 */
717 #endif /* COMP2 */
718 
719 #define IS_COMP_TRIGGERMODE(__MODE__)       (((__MODE__) == COMP_TRIGGERMODE_NONE)                 || \
720                                              ((__MODE__) == COMP_TRIGGERMODE_IT_RISING)            || \
721                                              ((__MODE__) == COMP_TRIGGERMODE_IT_FALLING)           || \
722                                              ((__MODE__) == COMP_TRIGGERMODE_IT_RISING_FALLING)    || \
723                                              ((__MODE__) == COMP_TRIGGERMODE_EVENT_RISING)         || \
724                                              ((__MODE__) == COMP_TRIGGERMODE_EVENT_FALLING)        || \
725                                              ((__MODE__) == COMP_TRIGGERMODE_EVENT_RISING_FALLING))
726 
727 #define IS_COMP_OUTPUT_LEVEL(__OUTPUT_LEVEL__) (((__OUTPUT_LEVEL__) == COMP_OUTPUT_LEVEL_LOW)     || \
728                                                 ((__OUTPUT_LEVEL__) == COMP_OUTPUT_LEVEL_HIGH))
729 
730 /**
731   * @}
732   */
733 
734 /**
735   * @}
736   */
737 
738 
739 /* Exported functions --------------------------------------------------------*/
740 /** @addtogroup COMP_Exported_Functions
741   * @{
742   */
743 
744 /** @addtogroup COMP_Exported_Functions_Group1
745   * @{
746   */
747 
748 /* Initialization and de-initialization functions  **********************************/
749 HAL_StatusTypeDef HAL_COMP_Init(COMP_HandleTypeDef *hcomp);
750 HAL_StatusTypeDef HAL_COMP_DeInit(COMP_HandleTypeDef *hcomp);
751 void              HAL_COMP_MspInit(COMP_HandleTypeDef *hcomp);
752 void              HAL_COMP_MspDeInit(COMP_HandleTypeDef *hcomp);
753 
754 #if (USE_HAL_COMP_REGISTER_CALLBACKS == 1)
755 /* Callbacks Register/UnRegister functions  ***********************************/
756 HAL_StatusTypeDef HAL_COMP_RegisterCallback(COMP_HandleTypeDef *hcomp, HAL_COMP_CallbackIDTypeDef CallbackID,
757                                             pCOMP_CallbackTypeDef pCallback);
758 HAL_StatusTypeDef HAL_COMP_UnRegisterCallback(COMP_HandleTypeDef *hcomp, HAL_COMP_CallbackIDTypeDef CallbackID);
759 #endif /* USE_HAL_COMP_REGISTER_CALLBACKS */
760 /**
761   * @}
762   */
763 
764 /* IO operation functions  *****************************************************/
765 /** @addtogroup COMP_Exported_Functions_Group2
766   * @{
767   */
768 HAL_StatusTypeDef HAL_COMP_Start(COMP_HandleTypeDef *hcomp);
769 HAL_StatusTypeDef HAL_COMP_Stop(COMP_HandleTypeDef *hcomp);
770 void              HAL_COMP_IRQHandler(COMP_HandleTypeDef *hcomp);
771 /**
772   * @}
773   */
774 
775 /* Peripheral Control functions  ************************************************/
776 /** @addtogroup COMP_Exported_Functions_Group3
777   * @{
778   */
779 HAL_StatusTypeDef HAL_COMP_Lock(COMP_HandleTypeDef *hcomp);
780 uint32_t          HAL_COMP_GetOutputLevel(COMP_HandleTypeDef *hcomp);
781 /* Callback in interrupt mode */
782 void              HAL_COMP_TriggerCallback(COMP_HandleTypeDef *hcomp);
783 /**
784   * @}
785   */
786 
787 /* Peripheral State functions  **************************************************/
788 /** @addtogroup COMP_Exported_Functions_Group4
789   * @{
790   */
791 HAL_COMP_StateTypeDef HAL_COMP_GetState(COMP_HandleTypeDef *hcomp);
792 uint32_t              HAL_COMP_GetError(COMP_HandleTypeDef *hcomp);
793 /**
794   * @}
795   */
796 
797 /**
798   * @}
799   */
800 
801 /**
802   * @}
803   */
804 #endif /* COMP1 || COMP2 */
805 /**
806   * @}
807   */
808 
809 #ifdef __cplusplus
810 }
811 #endif
812 
813 #endif /* STM32L4xx_HAL_COMP_H */
814