1 /**
2   ******************************************************************************
3   * @file    stm32l0xx_hal_lptim.h
4   * @author  MCD Application Team
5   * @brief   Header file of LPTIM HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2016 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 STM32L0xx_HAL_LPTIM_H
21 #define STM32L0xx_HAL_LPTIM_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32l0xx_hal_def.h"
29 
30 /** @addtogroup STM32L0xx_HAL_Driver
31   * @{
32   */
33 
34 #if defined (LPTIM1)
35 
36 /** @addtogroup LPTIM
37   * @{
38   */
39 
40 /* Exported types ------------------------------------------------------------*/
41 /** @defgroup LPTIM_Exported_Types LPTIM Exported Types
42   * @{
43   */
44 #define LPTIM_EXTI_LINE_WAKEUPTIMER_EVENT  EXTI_IMR_IM29  /*!< External interrupt line 29 Connected to the LPTIM EXTI Line */
45 
46 /**
47   * @brief  LPTIM Clock configuration definition
48   */
49 typedef struct
50 {
51   uint32_t Source;         /*!< Selects the clock source.
52                            This parameter can be a value of @ref LPTIM_Clock_Source   */
53 
54   uint32_t Prescaler;      /*!< Specifies the counter clock Prescaler.
55                            This parameter can be a value of @ref LPTIM_Clock_Prescaler */
56 
57 } LPTIM_ClockConfigTypeDef;
58 
59 /**
60   * @brief  LPTIM Clock configuration definition
61   */
62 typedef struct
63 {
64   uint32_t Polarity;      /*!< Selects the polarity of the active edge for the counter unit
65                            if the ULPTIM input is selected.
66                            Note: This parameter is used only when Ultra low power clock source is used.
67                            Note: If the polarity is configured on 'both edges', an auxiliary clock
68                            (one of the Low power oscillator) must be active.
69                            This parameter can be a value of @ref LPTIM_Clock_Polarity */
70 
71   uint32_t SampleTime;     /*!< Selects the clock sampling time to configure the clock glitch filter.
72                            Note: This parameter is used only when Ultra low power clock source is used.
73                            This parameter can be a value of @ref LPTIM_Clock_Sample_Time */
74 
75 } LPTIM_ULPClockConfigTypeDef;
76 
77 /**
78   * @brief  LPTIM Trigger configuration definition
79   */
80 typedef struct
81 {
82   uint32_t Source;        /*!< Selects the Trigger source.
83                           This parameter can be a value of @ref LPTIM_Trigger_Source */
84 
85   uint32_t ActiveEdge;    /*!< Selects the Trigger active edge.
86                           Note: This parameter is used only when an external trigger is used.
87                           This parameter can be a value of @ref LPTIM_External_Trigger_Polarity */
88 
89   uint32_t SampleTime;    /*!< Selects the trigger sampling time to configure the clock glitch filter.
90                           Note: This parameter is used only when an external trigger is used.
91                           This parameter can be a value of @ref LPTIM_Trigger_Sample_Time  */
92 } LPTIM_TriggerConfigTypeDef;
93 
94 /**
95   * @brief  LPTIM Initialization Structure definition
96   */
97 typedef struct
98 {
99   LPTIM_ClockConfigTypeDef     Clock;             /*!< Specifies the clock parameters */
100 
101   LPTIM_ULPClockConfigTypeDef  UltraLowPowerClock;/*!< Specifies the Ultra Low Power clock parameters */
102 
103   LPTIM_TriggerConfigTypeDef   Trigger;           /*!< Specifies the Trigger parameters */
104 
105   uint32_t                     OutputPolarity;    /*!< Specifies the Output polarity.
106                                                   This parameter can be a value of @ref LPTIM_Output_Polarity */
107 
108   uint32_t                     UpdateMode;        /*!< Specifies whether the update of the autoreload and the compare
109                                                   values is done immediately or after the end of current period.
110                                                   This parameter can be a value of @ref LPTIM_Updating_Mode */
111 
112   uint32_t                     CounterSource;     /*!< Specifies whether the counter is incremented each internal event
113                                                   or each external event.
114                                                   This parameter can be a value of @ref LPTIM_Counter_Source */
115 } LPTIM_InitTypeDef;
116 
117 /**
118   * @brief  HAL LPTIM State structure definition
119   */
120 typedef enum
121 {
122   HAL_LPTIM_STATE_RESET            = 0x00U,    /*!< Peripheral not yet initialized or disabled  */
123   HAL_LPTIM_STATE_READY            = 0x01U,    /*!< Peripheral Initialized and ready for use    */
124   HAL_LPTIM_STATE_BUSY             = 0x02U,    /*!< An internal process is ongoing              */
125   HAL_LPTIM_STATE_TIMEOUT          = 0x03U,    /*!< Timeout state                               */
126   HAL_LPTIM_STATE_ERROR            = 0x04U     /*!< Internal Process is ongoing                 */
127 } HAL_LPTIM_StateTypeDef;
128 
129 /**
130   * @brief  LPTIM handle Structure definition
131   */
132 #if (USE_HAL_LPTIM_REGISTER_CALLBACKS == 1)
133 typedef struct __LPTIM_HandleTypeDef
134 #else
135 typedef struct
136 #endif /* USE_HAL_LPTIM_REGISTER_CALLBACKS */
137 {
138   LPTIM_TypeDef                 *Instance;         /*!< Register base address     */
139 
140   LPTIM_InitTypeDef              Init;             /*!< LPTIM required parameters */
141 
142   HAL_StatusTypeDef              Status;           /*!< LPTIM peripheral status   */
143 
144   HAL_LockTypeDef                Lock;             /*!< LPTIM locking object      */
145 
146   __IO  HAL_LPTIM_StateTypeDef   State;            /*!< LPTIM peripheral state    */
147 
148 #if (USE_HAL_LPTIM_REGISTER_CALLBACKS == 1)
149   void (* MspInitCallback)(struct __LPTIM_HandleTypeDef *hlptim);            /*!< LPTIM Base Msp Init Callback                 */
150   void (* MspDeInitCallback)(struct __LPTIM_HandleTypeDef *hlptim);          /*!< LPTIM Base Msp DeInit Callback               */
151   void (* CompareMatchCallback)(struct __LPTIM_HandleTypeDef *hlptim);       /*!< Compare match Callback                       */
152   void (* AutoReloadMatchCallback)(struct __LPTIM_HandleTypeDef *hlptim);    /*!< Auto-reload match Callback                   */
153   void (* TriggerCallback)(struct __LPTIM_HandleTypeDef *hlptim);            /*!< External trigger event detection Callback    */
154   void (* CompareWriteCallback)(struct __LPTIM_HandleTypeDef *hlptim);       /*!< Compare register write complete Callback     */
155   void (* AutoReloadWriteCallback)(struct __LPTIM_HandleTypeDef *hlptim);    /*!< Auto-reload register write complete Callback */
156   void (* DirectionUpCallback)(struct __LPTIM_HandleTypeDef *hlptim);        /*!< Up-counting direction change Callback        */
157   void (* DirectionDownCallback)(struct __LPTIM_HandleTypeDef *hlptim);      /*!< Down-counting direction change Callback      */
158 #endif /* USE_HAL_LPTIM_REGISTER_CALLBACKS */
159 } LPTIM_HandleTypeDef;
160 
161 #if (USE_HAL_LPTIM_REGISTER_CALLBACKS == 1)
162 /**
163   * @brief  HAL LPTIM Callback ID enumeration definition
164   */
165 typedef enum
166 {
167   HAL_LPTIM_MSPINIT_CB_ID          = 0x00U,    /*!< LPTIM Base Msp Init Callback ID                  */
168   HAL_LPTIM_MSPDEINIT_CB_ID        = 0x01U,    /*!< LPTIM Base Msp DeInit Callback ID                */
169   HAL_LPTIM_COMPARE_MATCH_CB_ID    = 0x02U,    /*!< Compare match Callback ID                        */
170   HAL_LPTIM_AUTORELOAD_MATCH_CB_ID = 0x03U,    /*!< Auto-reload match Callback ID                    */
171   HAL_LPTIM_TRIGGER_CB_ID          = 0x04U,    /*!< External trigger event detection Callback ID     */
172   HAL_LPTIM_COMPARE_WRITE_CB_ID    = 0x05U,    /*!< Compare register write complete Callback ID      */
173   HAL_LPTIM_AUTORELOAD_WRITE_CB_ID = 0x06U,    /*!< Auto-reload register write complete Callback ID  */
174   HAL_LPTIM_DIRECTION_UP_CB_ID     = 0x07U,    /*!< Up-counting direction change Callback ID         */
175   HAL_LPTIM_DIRECTION_DOWN_CB_ID   = 0x08U,    /*!< Down-counting direction change Callback ID       */
176 } HAL_LPTIM_CallbackIDTypeDef;
177 
178 /**
179   * @brief  HAL TIM Callback pointer definition
180   */
181 typedef  void (*pLPTIM_CallbackTypeDef)(LPTIM_HandleTypeDef *hlptim);  /*!< pointer to the LPTIM callback function */
182 
183 #endif /* USE_HAL_LPTIM_REGISTER_CALLBACKS */
184 /**
185   * @}
186   */
187 
188 /* Exported constants --------------------------------------------------------*/
189 /** @defgroup LPTIM_Exported_Constants LPTIM Exported Constants
190   * @{
191   */
192 
193 /** @defgroup LPTIM_Clock_Source LPTIM Clock Source
194   * @{
195   */
196 #define LPTIM_CLOCKSOURCE_APBCLOCK_LPOSC        0x00000000U
197 #define LPTIM_CLOCKSOURCE_ULPTIM                LPTIM_CFGR_CKSEL
198 /**
199   * @}
200   */
201 
202 /** @defgroup LPTIM_Clock_Prescaler LPTIM Clock Prescaler
203   * @{
204   */
205 #define LPTIM_PRESCALER_DIV1                    0x00000000U
206 #define LPTIM_PRESCALER_DIV2                    LPTIM_CFGR_PRESC_0
207 #define LPTIM_PRESCALER_DIV4                    LPTIM_CFGR_PRESC_1
208 #define LPTIM_PRESCALER_DIV8                    (LPTIM_CFGR_PRESC_0 | LPTIM_CFGR_PRESC_1)
209 #define LPTIM_PRESCALER_DIV16                   LPTIM_CFGR_PRESC_2
210 #define LPTIM_PRESCALER_DIV32                   (LPTIM_CFGR_PRESC_0 | LPTIM_CFGR_PRESC_2)
211 #define LPTIM_PRESCALER_DIV64                   (LPTIM_CFGR_PRESC_1 | LPTIM_CFGR_PRESC_2)
212 #define LPTIM_PRESCALER_DIV128                  LPTIM_CFGR_PRESC
213 /**
214   * @}
215   */
216 
217 /** @defgroup LPTIM_Output_Polarity LPTIM Output Polarity
218   * @{
219   */
220 
221 #define LPTIM_OUTPUTPOLARITY_HIGH               0x00000000U
222 #define LPTIM_OUTPUTPOLARITY_LOW                LPTIM_CFGR_WAVPOL
223 /**
224   * @}
225   */
226 
227 /** @defgroup LPTIM_Clock_Sample_Time LPTIM Clock Sample Time
228   * @{
229   */
230 #define LPTIM_CLOCKSAMPLETIME_DIRECTTRANSITION  0x00000000U
231 #define LPTIM_CLOCKSAMPLETIME_2TRANSITIONS      LPTIM_CFGR_CKFLT_0
232 #define LPTIM_CLOCKSAMPLETIME_4TRANSITIONS      LPTIM_CFGR_CKFLT_1
233 #define LPTIM_CLOCKSAMPLETIME_8TRANSITIONS      LPTIM_CFGR_CKFLT
234 /**
235   * @}
236   */
237 
238 /** @defgroup LPTIM_Clock_Polarity LPTIM Clock Polarity
239   * @{
240   */
241 #define LPTIM_CLOCKPOLARITY_RISING              0x00000000U
242 #define LPTIM_CLOCKPOLARITY_FALLING             LPTIM_CFGR_CKPOL_0
243 #define LPTIM_CLOCKPOLARITY_RISING_FALLING      LPTIM_CFGR_CKPOL_1
244 /**
245   * @}
246   */
247 
248 /** @defgroup LPTIM_Trigger_Source LPTIM Trigger Source
249   * @{
250   */
251 #define LPTIM_TRIGSOURCE_SOFTWARE               0x0000FFFFU
252 #define LPTIM_TRIGSOURCE_0                      0x00000000U
253 #define LPTIM_TRIGSOURCE_1                      LPTIM_CFGR_TRIGSEL_0
254 #define LPTIM_TRIGSOURCE_2                      LPTIM_CFGR_TRIGSEL_1
255 #define LPTIM_TRIGSOURCE_3                      (LPTIM_CFGR_TRIGSEL_0 | LPTIM_CFGR_TRIGSEL_1)
256 #define LPTIM_TRIGSOURCE_4                      LPTIM_CFGR_TRIGSEL_2
257 #define LPTIM_TRIGSOURCE_5                      (LPTIM_CFGR_TRIGSEL_0 | LPTIM_CFGR_TRIGSEL_2)
258 #define LPTIM_TRIGSOURCE_6                      (LPTIM_CFGR_TRIGSEL_1 | LPTIM_CFGR_TRIGSEL_2)
259 #define LPTIM_TRIGSOURCE_7                      LPTIM_CFGR_TRIGSEL
260 /**
261   * @}
262   */
263 
264 /** @defgroup LPTIM_External_Trigger_Polarity LPTIM External Trigger Polarity
265   * @{
266   */
267 #define LPTIM_ACTIVEEDGE_RISING                LPTIM_CFGR_TRIGEN_0
268 #define LPTIM_ACTIVEEDGE_FALLING               LPTIM_CFGR_TRIGEN_1
269 #define LPTIM_ACTIVEEDGE_RISING_FALLING        LPTIM_CFGR_TRIGEN
270 /**
271   * @}
272   */
273 
274 /** @defgroup LPTIM_Trigger_Sample_Time LPTIM Trigger Sample Time
275   * @{
276   */
277 #define LPTIM_TRIGSAMPLETIME_DIRECTTRANSITION  0x00000000U
278 #define LPTIM_TRIGSAMPLETIME_2TRANSITIONS      LPTIM_CFGR_TRGFLT_0
279 #define LPTIM_TRIGSAMPLETIME_4TRANSITIONS      LPTIM_CFGR_TRGFLT_1
280 #define LPTIM_TRIGSAMPLETIME_8TRANSITIONS      LPTIM_CFGR_TRGFLT
281 /**
282   * @}
283   */
284 
285 /** @defgroup LPTIM_Updating_Mode LPTIM Updating Mode
286   * @{
287   */
288 
289 #define LPTIM_UPDATE_IMMEDIATE                  0x00000000U
290 #define LPTIM_UPDATE_ENDOFPERIOD                LPTIM_CFGR_PRELOAD
291 /**
292   * @}
293   */
294 
295 /** @defgroup LPTIM_Counter_Source LPTIM Counter Source
296   * @{
297   */
298 
299 #define LPTIM_COUNTERSOURCE_INTERNAL            0x00000000U
300 #define LPTIM_COUNTERSOURCE_EXTERNAL            LPTIM_CFGR_COUNTMODE
301 /**
302   * @}
303   */
304 
305 /** @defgroup LPTIM_Flag_Definition LPTIM Flags Definition
306   * @{
307   */
308 
309 #define LPTIM_FLAG_DOWN                          LPTIM_ISR_DOWN
310 #define LPTIM_FLAG_UP                            LPTIM_ISR_UP
311 #define LPTIM_FLAG_ARROK                         LPTIM_ISR_ARROK
312 #define LPTIM_FLAG_CMPOK                         LPTIM_ISR_CMPOK
313 #define LPTIM_FLAG_EXTTRIG                       LPTIM_ISR_EXTTRIG
314 #define LPTIM_FLAG_ARRM                          LPTIM_ISR_ARRM
315 #define LPTIM_FLAG_CMPM                          LPTIM_ISR_CMPM
316 /**
317   * @}
318   */
319 
320 /** @defgroup LPTIM_Interrupts_Definition LPTIM Interrupts Definition
321   * @{
322   */
323 #define LPTIM_IT_DOWN                            LPTIM_IER_DOWNIE
324 #define LPTIM_IT_UP                              LPTIM_IER_UPIE
325 #define LPTIM_IT_ARROK                           LPTIM_IER_ARROKIE
326 #define LPTIM_IT_CMPOK                           LPTIM_IER_CMPOKIE
327 #define LPTIM_IT_EXTTRIG                         LPTIM_IER_EXTTRIGIE
328 #define LPTIM_IT_ARRM                            LPTIM_IER_ARRMIE
329 #define LPTIM_IT_CMPM                            LPTIM_IER_CMPMIE
330 /**
331   * @}
332   */
333 
334 /**
335   * @}
336   */
337 
338 /* Exported macros -----------------------------------------------------------*/
339 /** @defgroup LPTIM_Exported_Macros LPTIM Exported Macros
340   * @{
341   */
342 
343 /** @brief Reset LPTIM handle state.
344   * @param  __HANDLE__ LPTIM handle
345   * @retval None
346   */
347 #if (USE_HAL_LPTIM_REGISTER_CALLBACKS == 1)
348 #define __HAL_LPTIM_RESET_HANDLE_STATE(__HANDLE__) do {                                                        \
349                                                         (__HANDLE__)->State             = HAL_LPTIM_STATE_RESET; \
350                                                         (__HANDLE__)->MspInitCallback   = NULL;                  \
351                                                         (__HANDLE__)->MspDeInitCallback = NULL;                  \
352                                                       } while(0)
353 #else
354 #define __HAL_LPTIM_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_LPTIM_STATE_RESET)
355 #endif /* USE_HAL_LPTIM_REGISTER_CALLBACKS */
356 
357 /**
358   * @brief  Enable the LPTIM peripheral.
359   * @param  __HANDLE__ LPTIM handle
360   * @retval None
361   */
362 #define __HAL_LPTIM_ENABLE(__HANDLE__)   ((__HANDLE__)->Instance->CR |= (LPTIM_CR_ENABLE))
363 
364 /**
365   * @brief  Disable the LPTIM peripheral.
366   * @param  __HANDLE__ LPTIM handle
367   * @note   The following sequence is required to solve LPTIM disable HW limitation.
368   *         Please check Errata Sheet ES0335 for more details under "MCU may remain
369   *         stuck in LPTIM interrupt when entering Stop mode" section.
370   * @note   Please call @ref HAL_LPTIM_GetState() after a call to __HAL_LPTIM_DISABLE to
371   *         check for TIMEOUT.
372   * @retval None
373   */
374 #define __HAL_LPTIM_DISABLE(__HANDLE__)   LPTIM_Disable(__HANDLE__)
375 
376 /**
377   * @brief  Start the LPTIM peripheral in Continuous mode.
378   * @param  __HANDLE__ LPTIM handle
379   * @retval None
380   */
381 #define __HAL_LPTIM_START_CONTINUOUS(__HANDLE__)  ((__HANDLE__)->Instance->CR |=  LPTIM_CR_CNTSTRT)
382 /**
383   * @brief  Start the LPTIM peripheral in single mode.
384   * @param  __HANDLE__ LPTIM handle
385   * @retval None
386   */
387 #define __HAL_LPTIM_START_SINGLE(__HANDLE__)      ((__HANDLE__)->Instance->CR |=  LPTIM_CR_SNGSTRT)
388 
389 /**
390   * @brief  Write the passed parameter in the Autoreload register.
391   * @param  __HANDLE__ LPTIM handle
392   * @param  __VALUE__ Autoreload value
393   * @retval None
394   * @note   The ARR register can only be modified when the LPTIM instance is enabled.
395   */
396 #define __HAL_LPTIM_AUTORELOAD_SET(__HANDLE__ , __VALUE__)  ((__HANDLE__)->Instance->ARR =  (__VALUE__))
397 
398 /**
399   * @brief  Write the passed parameter in the Compare register.
400   * @param  __HANDLE__ LPTIM handle
401   * @param  __VALUE__ Compare value
402   * @retval None
403   * @note   The CMP register can only be modified when the LPTIM instance is enabled.
404   */
405 #define __HAL_LPTIM_COMPARE_SET(__HANDLE__ , __VALUE__)     ((__HANDLE__)->Instance->CMP =  (__VALUE__))
406 
407 /**
408   * @brief  Check whether the specified LPTIM flag is set or not.
409   * @param  __HANDLE__ LPTIM handle
410   * @param  __FLAG__ LPTIM flag to check
411   *            This parameter can be a value of:
412   *            @arg LPTIM_FLAG_DOWN    : Counter direction change up Flag.
413   *            @arg LPTIM_FLAG_UP      : Counter direction change down to up Flag.
414   *            @arg LPTIM_FLAG_ARROK   : Autoreload register update OK Flag.
415   *            @arg LPTIM_FLAG_CMPOK   : Compare register update OK Flag.
416   *            @arg LPTIM_FLAG_EXTTRIG : External trigger edge event Flag.
417   *            @arg LPTIM_FLAG_ARRM    : Autoreload match Flag.
418   *            @arg LPTIM_FLAG_CMPM    : Compare match Flag.
419   * @retval The state of the specified flag (SET or RESET).
420   */
421 #define __HAL_LPTIM_GET_FLAG(__HANDLE__, __FLAG__)          (((__HANDLE__)->Instance->ISR &(__FLAG__)) == (__FLAG__))
422 
423 /**
424   * @brief  Clear the specified LPTIM flag.
425   * @param  __HANDLE__ LPTIM handle.
426   * @param  __FLAG__ LPTIM flag to clear.
427   *            This parameter can be a value of:
428   *            @arg LPTIM_FLAG_DOWN    : Counter direction change up Flag.
429   *            @arg LPTIM_FLAG_UP      : Counter direction change down to up Flag.
430   *            @arg LPTIM_FLAG_ARROK   : Autoreload register update OK Flag.
431   *            @arg LPTIM_FLAG_CMPOK   : Compare register update OK Flag.
432   *            @arg LPTIM_FLAG_EXTTRIG : External trigger edge event Flag.
433   *            @arg LPTIM_FLAG_ARRM    : Autoreload match Flag.
434   *            @arg LPTIM_FLAG_CMPM    : Compare match Flag.
435   * @retval None.
436   */
437 #define __HAL_LPTIM_CLEAR_FLAG(__HANDLE__, __FLAG__)        ((__HANDLE__)->Instance->ICR  = (__FLAG__))
438 
439 /**
440   * @brief  Enable the specified LPTIM interrupt.
441   * @param  __HANDLE__ LPTIM handle.
442   * @param  __INTERRUPT__ LPTIM interrupt to set.
443   *            This parameter can be a value of:
444   *            @arg LPTIM_IT_DOWN    : Counter direction change up Interrupt.
445   *            @arg LPTIM_IT_UP      : Counter direction change down to up Interrupt.
446   *            @arg LPTIM_IT_ARROK   : Autoreload register update OK Interrupt.
447   *            @arg LPTIM_IT_CMPOK   : Compare register update OK Interrupt.
448   *            @arg LPTIM_IT_EXTTRIG : External trigger edge event Interrupt.
449   *            @arg LPTIM_IT_ARRM    : Autoreload match Interrupt.
450   *            @arg LPTIM_IT_CMPM    : Compare match Interrupt.
451   * @retval None.
452   * @note   The LPTIM interrupts can only be enabled when the LPTIM instance is disabled.
453   */
454 #define __HAL_LPTIM_ENABLE_IT(__HANDLE__, __INTERRUPT__)    ((__HANDLE__)->Instance->IER  |= (__INTERRUPT__))
455 
456 /**
457   * @brief  Disable the specified LPTIM interrupt.
458   * @param  __HANDLE__ LPTIM handle.
459   * @param  __INTERRUPT__ LPTIM interrupt to set.
460   *            This parameter can be a value of:
461   *            @arg LPTIM_IT_DOWN    : Counter direction change up Interrupt.
462   *            @arg LPTIM_IT_UP      : Counter direction change down to up Interrupt.
463   *            @arg LPTIM_IT_ARROK   : Autoreload register update OK Interrupt.
464   *            @arg LPTIM_IT_CMPOK   : Compare register update OK Interrupt.
465   *            @arg LPTIM_IT_EXTTRIG : External trigger edge event Interrupt.
466   *            @arg LPTIM_IT_ARRM    : Autoreload match Interrupt.
467   *            @arg LPTIM_IT_CMPM    : Compare match Interrupt.
468   * @retval None.
469   * @note   The LPTIM interrupts can only be disabled when the LPTIM instance is disabled.
470   */
471 #define __HAL_LPTIM_DISABLE_IT(__HANDLE__, __INTERRUPT__)   ((__HANDLE__)->Instance->IER  &= (~(__INTERRUPT__)))
472 
473 /**
474   * @brief  Check whether the specified LPTIM interrupt source is enabled or not.
475   * @param  __HANDLE__ LPTIM handle.
476   * @param  __INTERRUPT__ LPTIM interrupt to check.
477   *            This parameter can be a value of:
478   *            @arg LPTIM_IT_DOWN    : Counter direction change up Interrupt.
479   *            @arg LPTIM_IT_UP      : Counter direction change down to up Interrupt.
480   *            @arg LPTIM_IT_ARROK   : Autoreload register update OK Interrupt.
481   *            @arg LPTIM_IT_CMPOK   : Compare register update OK Interrupt.
482   *            @arg LPTIM_IT_EXTTRIG : External trigger edge event Interrupt.
483   *            @arg LPTIM_IT_ARRM    : Autoreload match Interrupt.
484   *            @arg LPTIM_IT_CMPM    : Compare match Interrupt.
485   * @retval Interrupt status.
486   */
487 
488 #define __HAL_LPTIM_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->IER\
489                                                                 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
490 
491 /**
492   * @brief  Enable interrupt on the LPTIM Wake-up Timer associated Exti line.
493   * @retval None
494   */
495 #define __HAL_LPTIM_WAKEUPTIMER_EXTI_ENABLE_IT()       (EXTI->IMR\
496                                                         |= LPTIM_EXTI_LINE_WAKEUPTIMER_EVENT)
497 
498 /**
499   * @brief  Disable interrupt on the LPTIM Wake-up Timer associated Exti line.
500   * @retval None
501   */
502 #define __HAL_LPTIM_WAKEUPTIMER_EXTI_DISABLE_IT()      (EXTI->IMR\
503                                                         &= ~(LPTIM_EXTI_LINE_WAKEUPTIMER_EVENT))
504 
505 /**
506   * @brief  Enable event on the LPTIM Wake-up Timer associated Exti line.
507   * @retval None.
508   */
509 #define __HAL_LPTIM_WAKEUPTIMER_EXTI_ENABLE_EVENT()    (EXTI->EMR\
510                                                         |= LPTIM_EXTI_LINE_WAKEUPTIMER_EVENT)
511 
512 /**
513   * @brief  Disable event on the LPTIM Wake-up Timer associated Exti line.
514   * @retval None.
515   */
516 #define __HAL_LPTIM_WAKEUPTIMER_EXTI_DISABLE_EVENT()   (EXTI->EMR\
517                                                         &= ~(LPTIM_EXTI_LINE_WAKEUPTIMER_EVENT))
518 
519 /**
520   * @}
521   */
522 
523 /* Exported functions --------------------------------------------------------*/
524 /** @defgroup LPTIM_Exported_Functions LPTIM Exported Functions
525   * @{
526   */
527 
528 /** @addtogroup LPTIM_Exported_Functions_Group1
529   *  @brief    Initialization and Configuration functions.
530   * @{
531   */
532 /* Initialization/de-initialization functions  ********************************/
533 HAL_StatusTypeDef HAL_LPTIM_Init(LPTIM_HandleTypeDef *hlptim);
534 HAL_StatusTypeDef HAL_LPTIM_DeInit(LPTIM_HandleTypeDef *hlptim);
535 
536 /* MSP functions  *************************************************************/
537 void HAL_LPTIM_MspInit(LPTIM_HandleTypeDef *hlptim);
538 void HAL_LPTIM_MspDeInit(LPTIM_HandleTypeDef *hlptim);
539 /**
540   * @}
541   */
542 
543 /** @addtogroup LPTIM_Exported_Functions_Group2
544   *  @brief   Start-Stop operation functions.
545   * @{
546   */
547 /* Start/Stop operation functions  *********************************************/
548 /* ################################# PWM Mode ################################*/
549 /* Blocking mode: Polling */
550 HAL_StatusTypeDef HAL_LPTIM_PWM_Start(LPTIM_HandleTypeDef *hlptim, uint32_t Period, uint32_t Pulse);
551 HAL_StatusTypeDef HAL_LPTIM_PWM_Stop(LPTIM_HandleTypeDef *hlptim);
552 /* Non-Blocking mode: Interrupt */
553 HAL_StatusTypeDef HAL_LPTIM_PWM_Start_IT(LPTIM_HandleTypeDef *hlptim, uint32_t Period, uint32_t Pulse);
554 HAL_StatusTypeDef HAL_LPTIM_PWM_Stop_IT(LPTIM_HandleTypeDef *hlptim);
555 
556 /* ############################# One Pulse Mode ##############################*/
557 /* Blocking mode: Polling */
558 HAL_StatusTypeDef HAL_LPTIM_OnePulse_Start(LPTIM_HandleTypeDef *hlptim, uint32_t Period, uint32_t Pulse);
559 HAL_StatusTypeDef HAL_LPTIM_OnePulse_Stop(LPTIM_HandleTypeDef *hlptim);
560 /* Non-Blocking mode: Interrupt */
561 HAL_StatusTypeDef HAL_LPTIM_OnePulse_Start_IT(LPTIM_HandleTypeDef *hlptim, uint32_t Period, uint32_t Pulse);
562 HAL_StatusTypeDef HAL_LPTIM_OnePulse_Stop_IT(LPTIM_HandleTypeDef *hlptim);
563 
564 /* ############################## Set once Mode ##############################*/
565 /* Blocking mode: Polling */
566 HAL_StatusTypeDef HAL_LPTIM_SetOnce_Start(LPTIM_HandleTypeDef *hlptim, uint32_t Period, uint32_t Pulse);
567 HAL_StatusTypeDef HAL_LPTIM_SetOnce_Stop(LPTIM_HandleTypeDef *hlptim);
568 /* Non-Blocking mode: Interrupt */
569 HAL_StatusTypeDef HAL_LPTIM_SetOnce_Start_IT(LPTIM_HandleTypeDef *hlptim, uint32_t Period, uint32_t Pulse);
570 HAL_StatusTypeDef HAL_LPTIM_SetOnce_Stop_IT(LPTIM_HandleTypeDef *hlptim);
571 
572 /* ############################### Encoder Mode ##############################*/
573 /* Blocking mode: Polling */
574 HAL_StatusTypeDef HAL_LPTIM_Encoder_Start(LPTIM_HandleTypeDef *hlptim, uint32_t Period);
575 HAL_StatusTypeDef HAL_LPTIM_Encoder_Stop(LPTIM_HandleTypeDef *hlptim);
576 /* Non-Blocking mode: Interrupt */
577 HAL_StatusTypeDef HAL_LPTIM_Encoder_Start_IT(LPTIM_HandleTypeDef *hlptim, uint32_t Period);
578 HAL_StatusTypeDef HAL_LPTIM_Encoder_Stop_IT(LPTIM_HandleTypeDef *hlptim);
579 
580 /* ############################# Time out  Mode ##############################*/
581 /* Blocking mode: Polling */
582 HAL_StatusTypeDef HAL_LPTIM_TimeOut_Start(LPTIM_HandleTypeDef *hlptim, uint32_t Period, uint32_t Timeout);
583 HAL_StatusTypeDef HAL_LPTIM_TimeOut_Stop(LPTIM_HandleTypeDef *hlptim);
584 /* Non-Blocking mode: Interrupt */
585 HAL_StatusTypeDef HAL_LPTIM_TimeOut_Start_IT(LPTIM_HandleTypeDef *hlptim, uint32_t Period, uint32_t Timeout);
586 HAL_StatusTypeDef HAL_LPTIM_TimeOut_Stop_IT(LPTIM_HandleTypeDef *hlptim);
587 
588 /* ############################## Counter Mode ###############################*/
589 /* Blocking mode: Polling */
590 HAL_StatusTypeDef HAL_LPTIM_Counter_Start(LPTIM_HandleTypeDef *hlptim, uint32_t Period);
591 HAL_StatusTypeDef HAL_LPTIM_Counter_Stop(LPTIM_HandleTypeDef *hlptim);
592 /* Non-Blocking mode: Interrupt */
593 HAL_StatusTypeDef HAL_LPTIM_Counter_Start_IT(LPTIM_HandleTypeDef *hlptim, uint32_t Period);
594 HAL_StatusTypeDef HAL_LPTIM_Counter_Stop_IT(LPTIM_HandleTypeDef *hlptim);
595 /**
596   * @}
597   */
598 
599 /** @addtogroup LPTIM_Exported_Functions_Group3
600   *  @brief  Read operation functions.
601   * @{
602   */
603 /* Reading operation functions ************************************************/
604 uint32_t HAL_LPTIM_ReadCounter(const LPTIM_HandleTypeDef *hlptim);
605 uint32_t HAL_LPTIM_ReadAutoReload(const LPTIM_HandleTypeDef *hlptim);
606 uint32_t HAL_LPTIM_ReadCompare(const LPTIM_HandleTypeDef *hlptim);
607 /**
608   * @}
609   */
610 
611 /** @addtogroup LPTIM_Exported_Functions_Group4
612   *  @brief  LPTIM IRQ handler and callback functions.
613   * @{
614   */
615 /* LPTIM IRQ functions  *******************************************************/
616 void HAL_LPTIM_IRQHandler(LPTIM_HandleTypeDef *hlptim);
617 
618 /* CallBack functions  ********************************************************/
619 void HAL_LPTIM_CompareMatchCallback(LPTIM_HandleTypeDef *hlptim);
620 void HAL_LPTIM_AutoReloadMatchCallback(LPTIM_HandleTypeDef *hlptim);
621 void HAL_LPTIM_TriggerCallback(LPTIM_HandleTypeDef *hlptim);
622 void HAL_LPTIM_CompareWriteCallback(LPTIM_HandleTypeDef *hlptim);
623 void HAL_LPTIM_AutoReloadWriteCallback(LPTIM_HandleTypeDef *hlptim);
624 void HAL_LPTIM_DirectionUpCallback(LPTIM_HandleTypeDef *hlptim);
625 void HAL_LPTIM_DirectionDownCallback(LPTIM_HandleTypeDef *hlptim);
626 
627 /* Callbacks Register/UnRegister functions  ***********************************/
628 #if (USE_HAL_LPTIM_REGISTER_CALLBACKS == 1)
629 HAL_StatusTypeDef HAL_LPTIM_RegisterCallback(LPTIM_HandleTypeDef *lphtim, HAL_LPTIM_CallbackIDTypeDef CallbackID,
630                                              pLPTIM_CallbackTypeDef pCallback);
631 HAL_StatusTypeDef HAL_LPTIM_UnRegisterCallback(LPTIM_HandleTypeDef *lphtim, HAL_LPTIM_CallbackIDTypeDef CallbackID);
632 #endif /* USE_HAL_LPTIM_REGISTER_CALLBACKS */
633 /**
634   * @}
635   */
636 
637 /** @addtogroup LPTIM_Group5
638   *  @brief   Peripheral State functions.
639   * @{
640   */
641 /* Peripheral State functions  ************************************************/
642 HAL_LPTIM_StateTypeDef HAL_LPTIM_GetState(const LPTIM_HandleTypeDef *hlptim);
643 /**
644   * @}
645   */
646 
647 /**
648   * @}
649   */
650 
651 /* Private types -------------------------------------------------------------*/
652 /** @defgroup LPTIM_Private_Types LPTIM Private Types
653   * @{
654   */
655 
656 /**
657   * @}
658   */
659 
660 /* Private variables ---------------------------------------------------------*/
661 /** @defgroup LPTIM_Private_Variables LPTIM Private Variables
662   * @{
663   */
664 
665 /**
666   * @}
667   */
668 
669 /* Private constants ---------------------------------------------------------*/
670 /** @defgroup LPTIM_Private_Constants LPTIM Private Constants
671   * @{
672   */
673 
674 /**
675   * @}
676   */
677 
678 /* Private macros ------------------------------------------------------------*/
679 /** @defgroup LPTIM_Private_Macros LPTIM Private Macros
680   * @{
681   */
682 
683 #define IS_LPTIM_CLOCK_SOURCE(__SOURCE__)       (((__SOURCE__) == LPTIM_CLOCKSOURCE_ULPTIM) || \
684                                                  ((__SOURCE__) == LPTIM_CLOCKSOURCE_APBCLOCK_LPOSC))
685 
686 
687 #define IS_LPTIM_CLOCK_PRESCALER(__PRESCALER__) (((__PRESCALER__) ==  LPTIM_PRESCALER_DIV1  ) || \
688                                                  ((__PRESCALER__) ==  LPTIM_PRESCALER_DIV2  ) || \
689                                                  ((__PRESCALER__) ==  LPTIM_PRESCALER_DIV4  ) || \
690                                                  ((__PRESCALER__) ==  LPTIM_PRESCALER_DIV8  ) || \
691                                                  ((__PRESCALER__) ==  LPTIM_PRESCALER_DIV16 ) || \
692                                                  ((__PRESCALER__) ==  LPTIM_PRESCALER_DIV32 ) || \
693                                                  ((__PRESCALER__) ==  LPTIM_PRESCALER_DIV64 ) || \
694                                                  ((__PRESCALER__) ==  LPTIM_PRESCALER_DIV128))
695 
696 #define IS_LPTIM_CLOCK_PRESCALERDIV1(__PRESCALER__) ((__PRESCALER__) ==  LPTIM_PRESCALER_DIV1)
697 
698 #define IS_LPTIM_OUTPUT_POLARITY(__POLARITY__)  (((__POLARITY__) == LPTIM_OUTPUTPOLARITY_LOW ) || \
699                                                  ((__POLARITY__) == LPTIM_OUTPUTPOLARITY_HIGH))
700 
701 #define IS_LPTIM_CLOCK_SAMPLE_TIME(__SAMPLETIME__) (((__SAMPLETIME__) == LPTIM_CLOCKSAMPLETIME_DIRECTTRANSITION) || \
702                                                     ((__SAMPLETIME__) == LPTIM_CLOCKSAMPLETIME_2TRANSITIONS)     || \
703                                                     ((__SAMPLETIME__) == LPTIM_CLOCKSAMPLETIME_4TRANSITIONS)     || \
704                                                     ((__SAMPLETIME__) == LPTIM_CLOCKSAMPLETIME_8TRANSITIONS))
705 
706 #define IS_LPTIM_CLOCK_POLARITY(__POLARITY__)   (((__POLARITY__) == LPTIM_CLOCKPOLARITY_RISING)  || \
707                                                  ((__POLARITY__) == LPTIM_CLOCKPOLARITY_FALLING) || \
708                                                  ((__POLARITY__) == LPTIM_CLOCKPOLARITY_RISING_FALLING))
709 
710 #define IS_LPTIM_TRG_SOURCE(__TRIG__)           (((__TRIG__) == LPTIM_TRIGSOURCE_SOFTWARE) || \
711                                                  ((__TRIG__) == LPTIM_TRIGSOURCE_0) || \
712                                                  ((__TRIG__) == LPTIM_TRIGSOURCE_1) || \
713                                                  ((__TRIG__) == LPTIM_TRIGSOURCE_2) || \
714                                                  ((__TRIG__) == LPTIM_TRIGSOURCE_3) || \
715                                                  ((__TRIG__) == LPTIM_TRIGSOURCE_4) || \
716                                                  ((__TRIG__) == LPTIM_TRIGSOURCE_5) || \
717                                                  ((__TRIG__) == LPTIM_TRIGSOURCE_6) || \
718                                                  ((__TRIG__) == LPTIM_TRIGSOURCE_7))
719 
720 #define IS_LPTIM_EXT_TRG_POLARITY(__POLARITY__) (((__POLARITY__) == LPTIM_ACTIVEEDGE_RISING         ) || \
721                                                  ((__POLARITY__) == LPTIM_ACTIVEEDGE_FALLING        ) || \
722                                                  ((__POLARITY__) == LPTIM_ACTIVEEDGE_RISING_FALLING ))
723 
724 #define IS_LPTIM_TRIG_SAMPLE_TIME(__SAMPLETIME__) (((__SAMPLETIME__) == LPTIM_TRIGSAMPLETIME_DIRECTTRANSITION) || \
725                                                    ((__SAMPLETIME__) == LPTIM_TRIGSAMPLETIME_2TRANSITIONS    ) || \
726                                                    ((__SAMPLETIME__) == LPTIM_TRIGSAMPLETIME_4TRANSITIONS    ) || \
727                                                    ((__SAMPLETIME__) == LPTIM_TRIGSAMPLETIME_8TRANSITIONS    ))
728 
729 #define IS_LPTIM_UPDATE_MODE(__MODE__)          (((__MODE__) == LPTIM_UPDATE_IMMEDIATE) || \
730                                                  ((__MODE__) == LPTIM_UPDATE_ENDOFPERIOD))
731 
732 #define IS_LPTIM_COUNTER_SOURCE(__SOURCE__)     (((__SOURCE__) == LPTIM_COUNTERSOURCE_INTERNAL) || \
733                                                  ((__SOURCE__) == LPTIM_COUNTERSOURCE_EXTERNAL))
734 
735 #define IS_LPTIM_AUTORELOAD(__AUTORELOAD__)     ((0x00000001UL <= (__AUTORELOAD__)) &&\
736                                                  ((__AUTORELOAD__) <= 0x0000FFFFUL))
737 
738 #define IS_LPTIM_COMPARE(__COMPARE__)           ((__COMPARE__) <= 0x0000FFFFUL)
739 
740 #define IS_LPTIM_PERIOD(__PERIOD__)             ((0x00000001UL <= (__PERIOD__)) &&\
741                                                  ((__PERIOD__) <= 0x0000FFFFUL))
742 
743 #define IS_LPTIM_PULSE(__PULSE__)               ((__PULSE__) <= 0x0000FFFFUL)
744 
745 /**
746   * @}
747   */
748 
749 /* Private functions ---------------------------------------------------------*/
750 /** @defgroup LPTIM_Private_Functions LPTIM Private Functions
751   * @{
752   */
753 void LPTIM_Disable(LPTIM_HandleTypeDef *hlptim);
754 /**
755   * @}
756   */
757 
758 /**
759   * @}
760   */
761 
762 #endif /* LPTIM1 */
763 /**
764   * @}
765   */
766 
767 #ifdef __cplusplus
768 }
769 #endif
770 
771 #endif /* STM32L0xx_HAL_LPTIM_H */
772