1 /**
2   ******************************************************************************
3   * @file    stm32g0xx_hal_lptim.h
4   * @author  MCD Application Team
5   * @brief   Header file of LPTIM HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2018 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 STM32G0xx_HAL_LPTIM_H
21 #define STM32G0xx_HAL_LPTIM_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32g0xx_hal_def.h"
29 
30 /** @addtogroup STM32G0xx_HAL_Driver
31   * @{
32   */
33 
34 #if defined (LPTIM1) || defined (LPTIM2)
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_LPTIM1  EXTI_IMR1_IM29  /*!< External interrupt line 29 Connected to the LPTIM1 EXTI Line */
45 #define LPTIM_EXTI_LINE_LPTIM2  EXTI_IMR1_IM30  /*!< External interrupt line 30 Connected to the LPTIM2 EXTI Line */
46 
47 /**
48   * @brief  LPTIM Clock configuration definition
49   */
50 typedef struct
51 {
52   uint32_t Source;         /*!< Selects the clock source.
53                            This parameter can be a value of @ref LPTIM_Clock_Source   */
54 
55   uint32_t Prescaler;      /*!< Specifies the counter clock Prescaler.
56                            This parameter can be a value of @ref LPTIM_Clock_Prescaler */
57 
58 } LPTIM_ClockConfigTypeDef;
59 
60 /**
61   * @brief  LPTIM Clock configuration definition
62   */
63 typedef struct
64 {
65   uint32_t Polarity;      /*!< Selects the polarity of the active edge for the counter unit
66                            if the ULPTIM input is selected.
67                            Note: This parameter is used only when Ultra low power clock source is used.
68                            Note: If the polarity is configured on 'both edges', an auxiliary clock
69                            (one of the Low power oscillator) must be active.
70                            This parameter can be a value of @ref LPTIM_Clock_Polarity */
71 
72   uint32_t SampleTime;     /*!< Selects the clock sampling time to configure the clock glitch filter.
73                            Note: This parameter is used only when Ultra low power clock source is used.
74                            This parameter can be a value of @ref LPTIM_Clock_Sample_Time */
75 
76 } LPTIM_ULPClockConfigTypeDef;
77 
78 /**
79   * @brief  LPTIM Trigger configuration definition
80   */
81 typedef struct
82 {
83   uint32_t Source;        /*!< Selects the Trigger source.
84                           This parameter can be a value of @ref LPTIM_Trigger_Source */
85 
86   uint32_t ActiveEdge;    /*!< Selects the Trigger active edge.
87                           Note: This parameter is used only when an external trigger is used.
88                           This parameter can be a value of @ref LPTIM_External_Trigger_Polarity */
89 
90   uint32_t SampleTime;    /*!< Selects the trigger sampling time to configure the clock glitch filter.
91                           Note: This parameter is used only when an external trigger is used.
92                           This parameter can be a value of @ref LPTIM_Trigger_Sample_Time  */
93 } LPTIM_TriggerConfigTypeDef;
94 
95 /**
96   * @brief  LPTIM Initialization Structure definition
97   */
98 typedef struct
99 {
100   LPTIM_ClockConfigTypeDef     Clock;             /*!< Specifies the clock parameters */
101 
102   LPTIM_ULPClockConfigTypeDef  UltraLowPowerClock;/*!< Specifies the Ultra Low Power clock parameters */
103 
104   LPTIM_TriggerConfigTypeDef   Trigger;           /*!< Specifies the Trigger parameters */
105 
106   uint32_t                     OutputPolarity;    /*!< Specifies the Output polarity.
107                                                   This parameter can be a value of @ref LPTIM_Output_Polarity */
108 
109   uint32_t                     UpdateMode;        /*!< Specifies whether the update of the autoreload and the compare
110                                                   values is done immediately or after the end of current period.
111                                                   This parameter can be a value of @ref LPTIM_Updating_Mode */
112 
113   uint32_t                     CounterSource;     /*!< Specifies whether the counter is incremented each internal event
114                                                   or each external event.
115                                                   This parameter can be a value of @ref LPTIM_Counter_Source */
116 
117   uint32_t                     Input1Source;      /*!< Specifies source selected for input1 (GPIO or comparator output).
118                                                   This parameter can be a value of @ref LPTIM_Input1_Source */
119 
120   uint32_t                     Input2Source;      /*!< Specifies source selected for input2 (GPIO or comparator output).
121                                                   Note: This parameter is used only for encoder feature so is used only
122                                                   for LPTIM1 instance.
123                                                   This parameter can be a value of @ref LPTIM_Input2_Source */
124 } LPTIM_InitTypeDef;
125 
126 /**
127   * @brief  HAL LPTIM State structure definition
128   */
129 typedef enum
130 {
131   HAL_LPTIM_STATE_RESET            = 0x00U,    /*!< Peripheral not yet initialized or disabled  */
132   HAL_LPTIM_STATE_READY            = 0x01U,    /*!< Peripheral Initialized and ready for use    */
133   HAL_LPTIM_STATE_BUSY             = 0x02U,    /*!< An internal process is ongoing              */
134   HAL_LPTIM_STATE_TIMEOUT          = 0x03U,    /*!< Timeout state                               */
135   HAL_LPTIM_STATE_ERROR            = 0x04U     /*!< Internal Process is ongoing                 */
136 } HAL_LPTIM_StateTypeDef;
137 
138 /**
139   * @brief  LPTIM handle Structure definition
140   */
141 #if (USE_HAL_LPTIM_REGISTER_CALLBACKS == 1)
142 typedef struct __LPTIM_HandleTypeDef
143 #else
144 typedef struct
145 #endif /* USE_HAL_LPTIM_REGISTER_CALLBACKS */
146 {
147   LPTIM_TypeDef                 *Instance;         /*!< Register base address     */
148 
149   LPTIM_InitTypeDef              Init;             /*!< LPTIM required parameters */
150 
151   HAL_StatusTypeDef              Status;           /*!< LPTIM peripheral status   */
152 
153   HAL_LockTypeDef                Lock;             /*!< LPTIM locking object      */
154 
155   __IO  HAL_LPTIM_StateTypeDef   State;            /*!< LPTIM peripheral state    */
156 
157 #if (USE_HAL_LPTIM_REGISTER_CALLBACKS == 1)
158   void (* MspInitCallback)(struct __LPTIM_HandleTypeDef *hlptim);            /*!< LPTIM Base Msp Init Callback                 */
159   void (* MspDeInitCallback)(struct __LPTIM_HandleTypeDef *hlptim);          /*!< LPTIM Base Msp DeInit Callback               */
160   void (* CompareMatchCallback)(struct __LPTIM_HandleTypeDef *hlptim);       /*!< Compare match Callback                       */
161   void (* AutoReloadMatchCallback)(struct __LPTIM_HandleTypeDef *hlptim);    /*!< Auto-reload match Callback                   */
162   void (* TriggerCallback)(struct __LPTIM_HandleTypeDef *hlptim);            /*!< External trigger event detection Callback    */
163   void (* CompareWriteCallback)(struct __LPTIM_HandleTypeDef *hlptim);       /*!< Compare register write complete Callback     */
164   void (* AutoReloadWriteCallback)(struct __LPTIM_HandleTypeDef *hlptim);    /*!< Auto-reload register write complete Callback */
165   void (* DirectionUpCallback)(struct __LPTIM_HandleTypeDef *hlptim);        /*!< Up-counting direction change Callback        */
166   void (* DirectionDownCallback)(struct __LPTIM_HandleTypeDef *hlptim);      /*!< Down-counting direction change Callback      */
167 #endif /* USE_HAL_LPTIM_REGISTER_CALLBACKS */
168 } LPTIM_HandleTypeDef;
169 
170 #if (USE_HAL_LPTIM_REGISTER_CALLBACKS == 1)
171 /**
172   * @brief  HAL LPTIM Callback ID enumeration definition
173   */
174 typedef enum
175 {
176   HAL_LPTIM_MSPINIT_CB_ID          = 0x00U,    /*!< LPTIM Base Msp Init Callback ID                  */
177   HAL_LPTIM_MSPDEINIT_CB_ID        = 0x01U,    /*!< LPTIM Base Msp DeInit Callback ID                */
178   HAL_LPTIM_COMPARE_MATCH_CB_ID    = 0x02U,    /*!< Compare match Callback ID                        */
179   HAL_LPTIM_AUTORELOAD_MATCH_CB_ID = 0x03U,    /*!< Auto-reload match Callback ID                    */
180   HAL_LPTIM_TRIGGER_CB_ID          = 0x04U,    /*!< External trigger event detection Callback ID     */
181   HAL_LPTIM_COMPARE_WRITE_CB_ID    = 0x05U,    /*!< Compare register write complete Callback ID      */
182   HAL_LPTIM_AUTORELOAD_WRITE_CB_ID = 0x06U,    /*!< Auto-reload register write complete Callback ID  */
183   HAL_LPTIM_DIRECTION_UP_CB_ID     = 0x07U,    /*!< Up-counting direction change Callback ID         */
184   HAL_LPTIM_DIRECTION_DOWN_CB_ID   = 0x08U,    /*!< Down-counting direction change Callback ID       */
185 } HAL_LPTIM_CallbackIDTypeDef;
186 
187 /**
188   * @brief  HAL TIM Callback pointer definition
189   */
190 typedef  void (*pLPTIM_CallbackTypeDef)(LPTIM_HandleTypeDef *hlptim);  /*!< pointer to the LPTIM callback function */
191 
192 #endif /* USE_HAL_LPTIM_REGISTER_CALLBACKS */
193 /**
194   * @}
195   */
196 
197 /* Exported constants --------------------------------------------------------*/
198 /** @defgroup LPTIM_Exported_Constants LPTIM Exported Constants
199   * @{
200   */
201 
202 /** @defgroup LPTIM_Clock_Source LPTIM Clock Source
203   * @{
204   */
205 #define LPTIM_CLOCKSOURCE_APBCLOCK_LPOSC        0x00000000U
206 #define LPTIM_CLOCKSOURCE_ULPTIM                LPTIM_CFGR_CKSEL
207 /**
208   * @}
209   */
210 
211 /** @defgroup LPTIM_Clock_Prescaler LPTIM Clock Prescaler
212   * @{
213   */
214 #define LPTIM_PRESCALER_DIV1                    0x00000000U
215 #define LPTIM_PRESCALER_DIV2                    LPTIM_CFGR_PRESC_0
216 #define LPTIM_PRESCALER_DIV4                    LPTIM_CFGR_PRESC_1
217 #define LPTIM_PRESCALER_DIV8                    (LPTIM_CFGR_PRESC_0 | LPTIM_CFGR_PRESC_1)
218 #define LPTIM_PRESCALER_DIV16                   LPTIM_CFGR_PRESC_2
219 #define LPTIM_PRESCALER_DIV32                   (LPTIM_CFGR_PRESC_0 | LPTIM_CFGR_PRESC_2)
220 #define LPTIM_PRESCALER_DIV64                   (LPTIM_CFGR_PRESC_1 | LPTIM_CFGR_PRESC_2)
221 #define LPTIM_PRESCALER_DIV128                  LPTIM_CFGR_PRESC
222 /**
223   * @}
224   */
225 
226 /** @defgroup LPTIM_Output_Polarity LPTIM Output Polarity
227   * @{
228   */
229 
230 #define LPTIM_OUTPUTPOLARITY_HIGH               0x00000000U
231 #define LPTIM_OUTPUTPOLARITY_LOW                LPTIM_CFGR_WAVPOL
232 /**
233   * @}
234   */
235 
236 /** @defgroup LPTIM_Clock_Sample_Time LPTIM Clock Sample Time
237   * @{
238   */
239 #define LPTIM_CLOCKSAMPLETIME_DIRECTTRANSITION  0x00000000U
240 #define LPTIM_CLOCKSAMPLETIME_2TRANSITIONS      LPTIM_CFGR_CKFLT_0
241 #define LPTIM_CLOCKSAMPLETIME_4TRANSITIONS      LPTIM_CFGR_CKFLT_1
242 #define LPTIM_CLOCKSAMPLETIME_8TRANSITIONS      LPTIM_CFGR_CKFLT
243 /**
244   * @}
245   */
246 
247 /** @defgroup LPTIM_Clock_Polarity LPTIM Clock Polarity
248   * @{
249   */
250 #define LPTIM_CLOCKPOLARITY_RISING              0x00000000U
251 #define LPTIM_CLOCKPOLARITY_FALLING             LPTIM_CFGR_CKPOL_0
252 #define LPTIM_CLOCKPOLARITY_RISING_FALLING      LPTIM_CFGR_CKPOL_1
253 /**
254   * @}
255   */
256 
257 /** @defgroup LPTIM_Trigger_Source LPTIM Trigger Source
258   * @{
259   */
260 #define LPTIM_TRIGSOURCE_SOFTWARE               0x0000FFFFU
261 #define LPTIM_TRIGSOURCE_0                      0x00000000U
262 #define LPTIM_TRIGSOURCE_1                      LPTIM_CFGR_TRIGSEL_0
263 #define LPTIM_TRIGSOURCE_2                      LPTIM_CFGR_TRIGSEL_1
264 #define LPTIM_TRIGSOURCE_3                      (LPTIM_CFGR_TRIGSEL_0 | LPTIM_CFGR_TRIGSEL_1)
265 #define LPTIM_TRIGSOURCE_4                      LPTIM_CFGR_TRIGSEL_2
266 #define LPTIM_TRIGSOURCE_5                      (LPTIM_CFGR_TRIGSEL_0 | LPTIM_CFGR_TRIGSEL_2)
267 #define LPTIM_TRIGSOURCE_6                      (LPTIM_CFGR_TRIGSEL_1 | LPTIM_CFGR_TRIGSEL_2)
268 #define LPTIM_TRIGSOURCE_7                      LPTIM_CFGR_TRIGSEL
269 /**
270   * @}
271   */
272 
273 /** @defgroup LPTIM_External_Trigger_Polarity LPTIM External Trigger Polarity
274   * @{
275   */
276 #define LPTIM_ACTIVEEDGE_RISING                LPTIM_CFGR_TRIGEN_0
277 #define LPTIM_ACTIVEEDGE_FALLING               LPTIM_CFGR_TRIGEN_1
278 #define LPTIM_ACTIVEEDGE_RISING_FALLING        LPTIM_CFGR_TRIGEN
279 /**
280   * @}
281   */
282 
283 /** @defgroup LPTIM_Trigger_Sample_Time LPTIM Trigger Sample Time
284   * @{
285   */
286 #define LPTIM_TRIGSAMPLETIME_DIRECTTRANSITION  0x00000000U
287 #define LPTIM_TRIGSAMPLETIME_2TRANSITIONS      LPTIM_CFGR_TRGFLT_0
288 #define LPTIM_TRIGSAMPLETIME_4TRANSITIONS      LPTIM_CFGR_TRGFLT_1
289 #define LPTIM_TRIGSAMPLETIME_8TRANSITIONS      LPTIM_CFGR_TRGFLT
290 /**
291   * @}
292   */
293 
294 /** @defgroup LPTIM_Updating_Mode LPTIM Updating Mode
295   * @{
296   */
297 
298 #define LPTIM_UPDATE_IMMEDIATE                  0x00000000U
299 #define LPTIM_UPDATE_ENDOFPERIOD                LPTIM_CFGR_PRELOAD
300 /**
301   * @}
302   */
303 
304 /** @defgroup LPTIM_Counter_Source LPTIM Counter Source
305   * @{
306   */
307 
308 #define LPTIM_COUNTERSOURCE_INTERNAL            0x00000000U
309 #define LPTIM_COUNTERSOURCE_EXTERNAL            LPTIM_CFGR_COUNTMODE
310 /**
311   * @}
312   */
313 
314 /** @defgroup LPTIM_Input1_Source LPTIM Input1 Source
315   * @{
316   */
317 
318 #define LPTIM_INPUT1SOURCE_GPIO          0x00000000U                                   /*!< For LPTIM1 and LPTIM2 */
319 #define LPTIM_INPUT1SOURCE_COMP1         LPTIM_CFGR2_IN1SEL_0                          /*!< For LPTIM1 and LPTIM2 */
320 #define LPTIM_INPUT1SOURCE_COMP2         LPTIM_CFGR2_IN1SEL_1                          /*!< For LPTIM2 */
321 #define LPTIM_INPUT1SOURCE_COMP1_COMP2   (LPTIM_CFGR2_IN1SEL_1 | LPTIM_CFGR2_IN1SEL_0) /*!< For LPTIM2 */
322 /**
323   * @}
324   */
325 
326 /** @defgroup LPTIM_Input2_Source LPTIM Input2 Source
327   * @{
328   */
329 
330 #define LPTIM_INPUT2SOURCE_GPIO         0x00000000U                    /*!< For LPTIM1 */
331 #define LPTIM_INPUT2SOURCE_COMP2        LPTIM_CFGR2_IN2SEL_0           /*!< For LPTIM1 */
332 /**
333   * @}
334   */
335 
336 /** @defgroup LPTIM_Flag_Definition LPTIM Flags Definition
337   * @{
338   */
339 
340 #define LPTIM_FLAG_DOWN                          LPTIM_ISR_DOWN
341 #define LPTIM_FLAG_UP                            LPTIM_ISR_UP
342 #define LPTIM_FLAG_ARROK                         LPTIM_ISR_ARROK
343 #define LPTIM_FLAG_CMPOK                         LPTIM_ISR_CMPOK
344 #define LPTIM_FLAG_EXTTRIG                       LPTIM_ISR_EXTTRIG
345 #define LPTIM_FLAG_ARRM                          LPTIM_ISR_ARRM
346 #define LPTIM_FLAG_CMPM                          LPTIM_ISR_CMPM
347 /**
348   * @}
349   */
350 
351 /** @defgroup LPTIM_Interrupts_Definition LPTIM Interrupts Definition
352   * @{
353   */
354 #define LPTIM_IT_DOWN                            LPTIM_IER_DOWNIE
355 #define LPTIM_IT_UP                              LPTIM_IER_UPIE
356 #define LPTIM_IT_ARROK                           LPTIM_IER_ARROKIE
357 #define LPTIM_IT_CMPOK                           LPTIM_IER_CMPOKIE
358 #define LPTIM_IT_EXTTRIG                         LPTIM_IER_EXTTRIGIE
359 #define LPTIM_IT_ARRM                            LPTIM_IER_ARRMIE
360 #define LPTIM_IT_CMPM                            LPTIM_IER_CMPMIE
361 /**
362   * @}
363   */
364 
365 /**
366   * @}
367   */
368 
369 /* Exported macros -----------------------------------------------------------*/
370 /** @defgroup LPTIM_Exported_Macros LPTIM Exported Macros
371   * @{
372   */
373 
374 /** @brief Reset LPTIM handle state.
375   * @param  __HANDLE__ LPTIM handle
376   * @retval None
377   */
378 #if (USE_HAL_LPTIM_REGISTER_CALLBACKS == 1)
379 #define __HAL_LPTIM_RESET_HANDLE_STATE(__HANDLE__) do {                                                        \
380                                                         (__HANDLE__)->State             = HAL_LPTIM_STATE_RESET; \
381                                                         (__HANDLE__)->MspInitCallback   = NULL;                  \
382                                                         (__HANDLE__)->MspDeInitCallback = NULL;                  \
383                                                       } while(0)
384 #else
385 #define __HAL_LPTIM_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_LPTIM_STATE_RESET)
386 #endif /* USE_HAL_LPTIM_REGISTER_CALLBACKS */
387 
388 /**
389   * @brief  Enable the LPTIM peripheral.
390   * @param  __HANDLE__ LPTIM handle
391   * @retval None
392   */
393 #define __HAL_LPTIM_ENABLE(__HANDLE__)   ((__HANDLE__)->Instance->CR |= (LPTIM_CR_ENABLE))
394 
395 /**
396   * @brief  Disable the LPTIM peripheral.
397   * @param  __HANDLE__ LPTIM handle
398   * @note   The following sequence is required to solve LPTIM disable HW limitation.
399   *         Please check Errata Sheet ES0335 for more details under "MCU may remain
400   *         stuck in LPTIM interrupt when entering Stop mode" section.
401   * @note   Please call @ref HAL_LPTIM_GetState() after a call to __HAL_LPTIM_DISABLE to
402   *         check for TIMEOUT.
403   * @retval None
404   */
405 #define __HAL_LPTIM_DISABLE(__HANDLE__)   LPTIM_Disable(__HANDLE__)
406 
407 /**
408   * @brief  Start the LPTIM peripheral in Continuous mode.
409   * @param  __HANDLE__ LPTIM handle
410   * @retval None
411   */
412 #define __HAL_LPTIM_START_CONTINUOUS(__HANDLE__)  ((__HANDLE__)->Instance->CR |=  LPTIM_CR_CNTSTRT)
413 /**
414   * @brief  Start the LPTIM peripheral in single mode.
415   * @param  __HANDLE__ LPTIM handle
416   * @retval None
417   */
418 #define __HAL_LPTIM_START_SINGLE(__HANDLE__)      ((__HANDLE__)->Instance->CR |=  LPTIM_CR_SNGSTRT)
419 
420 /**
421   * @brief  Reset the LPTIM Counter register in synchronous mode.
422   * @param  __HANDLE__ LPTIM handle
423   * @retval None
424   */
425 #define __HAL_LPTIM_RESET_COUNTER(__HANDLE__)      ((__HANDLE__)->Instance->CR |=  LPTIM_CR_COUNTRST)
426 
427 /**
428   * @brief  Reset after read of the LPTIM Counter register in asynchronous mode.
429   * @param  __HANDLE__ LPTIM handle
430   * @retval None
431   */
432 #define __HAL_LPTIM_RESET_COUNTER_AFTERREAD(__HANDLE__)      ((__HANDLE__)->Instance->CR |=  LPTIM_CR_RSTARE)
433 
434 /**
435   * @brief  Write the passed parameter in the Autoreload register.
436   * @param  __HANDLE__ LPTIM handle
437   * @param  __VALUE__ Autoreload value
438   *         This parameter must be a value between Min_Data = 0x0001 and Max_Data = 0xFFFF.
439   * @retval None
440   * @note   The ARR register can only be modified when the LPTIM instance is enabled.
441   */
442 #define __HAL_LPTIM_AUTORELOAD_SET(__HANDLE__ , __VALUE__)  ((__HANDLE__)->Instance->ARR =  (__VALUE__))
443 
444 /**
445   * @brief  Write the passed parameter in the Compare register.
446   * @param  __HANDLE__ LPTIM handle
447   * @param  __VALUE__ Compare value
448   * @retval None
449   * @note   The CMP register can only be modified when the LPTIM instance is enabled.
450   */
451 #define __HAL_LPTIM_COMPARE_SET(__HANDLE__ , __VALUE__)     ((__HANDLE__)->Instance->CMP =  (__VALUE__))
452 
453 /**
454   * @brief  Check whether the specified LPTIM flag is set or not.
455   * @param  __HANDLE__ LPTIM handle
456   * @param  __FLAG__ LPTIM flag to check
457   *            This parameter can be a value of:
458   *            @arg LPTIM_FLAG_DOWN    : Counter direction change up Flag.
459   *            @arg LPTIM_FLAG_UP      : Counter direction change down to up Flag.
460   *            @arg LPTIM_FLAG_ARROK   : Autoreload register update OK Flag.
461   *            @arg LPTIM_FLAG_CMPOK   : Compare register update OK Flag.
462   *            @arg LPTIM_FLAG_EXTTRIG : External trigger edge event Flag.
463   *            @arg LPTIM_FLAG_ARRM    : Autoreload match Flag.
464   *            @arg LPTIM_FLAG_CMPM    : Compare match Flag.
465   * @retval The state of the specified flag (SET or RESET).
466   */
467 #define __HAL_LPTIM_GET_FLAG(__HANDLE__, __FLAG__)          (((__HANDLE__)->Instance->ISR &(__FLAG__)) == (__FLAG__))
468 
469 /**
470   * @brief  Clear the specified LPTIM flag.
471   * @param  __HANDLE__ LPTIM handle.
472   * @param  __FLAG__ LPTIM flag to clear.
473   *            This parameter can be a value of:
474   *            @arg LPTIM_FLAG_DOWN    : Counter direction change up Flag.
475   *            @arg LPTIM_FLAG_UP      : Counter direction change down to up Flag.
476   *            @arg LPTIM_FLAG_ARROK   : Autoreload register update OK Flag.
477   *            @arg LPTIM_FLAG_CMPOK   : Compare register update OK Flag.
478   *            @arg LPTIM_FLAG_EXTTRIG : External trigger edge event Flag.
479   *            @arg LPTIM_FLAG_ARRM    : Autoreload match Flag.
480   *            @arg LPTIM_FLAG_CMPM    : Compare match Flag.
481   * @retval None.
482   */
483 #define __HAL_LPTIM_CLEAR_FLAG(__HANDLE__, __FLAG__)        ((__HANDLE__)->Instance->ICR  = (__FLAG__))
484 
485 /**
486   * @brief  Enable the specified LPTIM interrupt.
487   * @param  __HANDLE__ LPTIM handle.
488   * @param  __INTERRUPT__ LPTIM interrupt to set.
489   *            This parameter can be a value of:
490   *            @arg LPTIM_IT_DOWN    : Counter direction change up Interrupt.
491   *            @arg LPTIM_IT_UP      : Counter direction change down to up Interrupt.
492   *            @arg LPTIM_IT_ARROK   : Autoreload register update OK Interrupt.
493   *            @arg LPTIM_IT_CMPOK   : Compare register update OK Interrupt.
494   *            @arg LPTIM_IT_EXTTRIG : External trigger edge event Interrupt.
495   *            @arg LPTIM_IT_ARRM    : Autoreload match Interrupt.
496   *            @arg LPTIM_IT_CMPM    : Compare match Interrupt.
497   * @retval None.
498   * @note   The LPTIM interrupts can only be enabled when the LPTIM instance is disabled.
499   */
500 #define __HAL_LPTIM_ENABLE_IT(__HANDLE__, __INTERRUPT__)    ((__HANDLE__)->Instance->IER  |= (__INTERRUPT__))
501 
502 /**
503   * @brief  Disable the specified LPTIM interrupt.
504   * @param  __HANDLE__ LPTIM handle.
505   * @param  __INTERRUPT__ LPTIM interrupt to set.
506   *            This parameter can be a value of:
507   *            @arg LPTIM_IT_DOWN    : Counter direction change up Interrupt.
508   *            @arg LPTIM_IT_UP      : Counter direction change down to up Interrupt.
509   *            @arg LPTIM_IT_ARROK   : Autoreload register update OK Interrupt.
510   *            @arg LPTIM_IT_CMPOK   : Compare register update OK Interrupt.
511   *            @arg LPTIM_IT_EXTTRIG : External trigger edge event Interrupt.
512   *            @arg LPTIM_IT_ARRM    : Autoreload match Interrupt.
513   *            @arg LPTIM_IT_CMPM    : Compare match Interrupt.
514   * @retval None.
515   * @note   The LPTIM interrupts can only be disabled when the LPTIM instance is disabled.
516   */
517 #define __HAL_LPTIM_DISABLE_IT(__HANDLE__, __INTERRUPT__)   ((__HANDLE__)->Instance->IER  &= (~(__INTERRUPT__)))
518 
519 /**
520   * @brief  Check whether the specified LPTIM interrupt source is enabled or not.
521   * @param  __HANDLE__ LPTIM handle.
522   * @param  __INTERRUPT__ LPTIM interrupt to check.
523   *            This parameter can be a value of:
524   *            @arg LPTIM_IT_DOWN    : Counter direction change up Interrupt.
525   *            @arg LPTIM_IT_UP      : Counter direction change down to up Interrupt.
526   *            @arg LPTIM_IT_ARROK   : Autoreload register update OK Interrupt.
527   *            @arg LPTIM_IT_CMPOK   : Compare register update OK Interrupt.
528   *            @arg LPTIM_IT_EXTTRIG : External trigger edge event Interrupt.
529   *            @arg LPTIM_IT_ARRM    : Autoreload match Interrupt.
530   *            @arg LPTIM_IT_CMPM    : Compare match Interrupt.
531   * @retval Interrupt status.
532   */
533 
534 #define __HAL_LPTIM_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->IER\
535                                                                 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
536 
537 /**
538   * @brief  Enable the LPTIM1 EXTI line in interrupt mode.
539   * @retval None
540   */
541 #define __HAL_LPTIM_LPTIM1_EXTI_ENABLE_IT()            (EXTI->IMR1 |= LPTIM_EXTI_LINE_LPTIM1)
542 
543 /**
544   * @brief  Disable the LPTIM1 EXTI line in interrupt mode.
545   * @retval None
546   */
547 #define __HAL_LPTIM_LPTIM1_EXTI_DISABLE_IT()           (EXTI->IMR1\
548                                                         &= ~(LPTIM_EXTI_LINE_LPTIM1))
549 
550 /**
551   * @brief  Enable the LPTIM1 EXTI line in event mode.
552   * @retval None
553   */
554 #define __HAL_LPTIM_LPTIM1_EXTI_ENABLE_EVENT()         (EXTI->EMR1 |= LPTIM_EXTI_LINE_LPTIM1)
555 
556 /**
557   * @brief  Disable the LPTIM1 EXTI line in event mode.
558   * @retval None
559   */
560 #define __HAL_LPTIM_LPTIM1_EXTI_DISABLE_EVENT()        (EXTI->EMR1\
561                                                         &= ~(LPTIM_EXTI_LINE_LPTIM1))
562 
563 /**
564   * @brief  Enable the LPTIM2 EXTI line in interrupt mode.
565   * @retval None
566   */
567 #define __HAL_LPTIM_LPTIM2_EXTI_ENABLE_IT()            (EXTI->IMR1 |= LPTIM_EXTI_LINE_LPTIM2)
568 
569 /**
570   * @brief  Disable the LPTIM2 EXTI line in interrupt mode.
571   * @retval None
572   */
573 #define __HAL_LPTIM_LPTIM2_EXTI_DISABLE_IT()           (EXTI->IMR1\
574                                                         &= ~(LPTIM_EXTI_LINE_LPTIM2))
575 
576 /**
577   * @brief  Enable the LPTIM2 EXTI line in event mode.
578   * @retval None
579   */
580 #define __HAL_LPTIM_LPTIM2_EXTI_ENABLE_EVENT()         (EXTI->EMR1 |= LPTIM_EXTI_LINE_LPTIM2)
581 
582 /**
583   * @brief  Disable the LPTIM2 EXTI line in event mode.
584   * @retval None
585   */
586 #define __HAL_LPTIM_LPTIM2_EXTI_DISABLE_EVENT()        (EXTI->EMR1\
587                                                         &= ~(LPTIM_EXTI_LINE_LPTIM2))
588 
589 /**
590   * @}
591   */
592 
593 /* Exported functions --------------------------------------------------------*/
594 /** @defgroup LPTIM_Exported_Functions LPTIM Exported Functions
595   * @{
596   */
597 
598 /** @addtogroup LPTIM_Exported_Functions_Group1
599   *  @brief    Initialization and Configuration functions.
600   * @{
601   */
602 /* Initialization/de-initialization functions  ********************************/
603 HAL_StatusTypeDef HAL_LPTIM_Init(LPTIM_HandleTypeDef *hlptim);
604 HAL_StatusTypeDef HAL_LPTIM_DeInit(LPTIM_HandleTypeDef *hlptim);
605 
606 /* MSP functions  *************************************************************/
607 void HAL_LPTIM_MspInit(LPTIM_HandleTypeDef *hlptim);
608 void HAL_LPTIM_MspDeInit(LPTIM_HandleTypeDef *hlptim);
609 /**
610   * @}
611   */
612 
613 /** @addtogroup LPTIM_Exported_Functions_Group2
614   *  @brief   Start-Stop operation functions.
615   * @{
616   */
617 /* Start/Stop operation functions  *********************************************/
618 /* ################################# PWM Mode ################################*/
619 /* Blocking mode: Polling */
620 HAL_StatusTypeDef HAL_LPTIM_PWM_Start(LPTIM_HandleTypeDef *hlptim, uint32_t Period, uint32_t Pulse);
621 HAL_StatusTypeDef HAL_LPTIM_PWM_Stop(LPTIM_HandleTypeDef *hlptim);
622 /* Non-Blocking mode: Interrupt */
623 HAL_StatusTypeDef HAL_LPTIM_PWM_Start_IT(LPTIM_HandleTypeDef *hlptim, uint32_t Period, uint32_t Pulse);
624 HAL_StatusTypeDef HAL_LPTIM_PWM_Stop_IT(LPTIM_HandleTypeDef *hlptim);
625 
626 /* ############################# One Pulse Mode ##############################*/
627 /* Blocking mode: Polling */
628 HAL_StatusTypeDef HAL_LPTIM_OnePulse_Start(LPTIM_HandleTypeDef *hlptim, uint32_t Period, uint32_t Pulse);
629 HAL_StatusTypeDef HAL_LPTIM_OnePulse_Stop(LPTIM_HandleTypeDef *hlptim);
630 /* Non-Blocking mode: Interrupt */
631 HAL_StatusTypeDef HAL_LPTIM_OnePulse_Start_IT(LPTIM_HandleTypeDef *hlptim, uint32_t Period, uint32_t Pulse);
632 HAL_StatusTypeDef HAL_LPTIM_OnePulse_Stop_IT(LPTIM_HandleTypeDef *hlptim);
633 
634 /* ############################## Set once Mode ##############################*/
635 /* Blocking mode: Polling */
636 HAL_StatusTypeDef HAL_LPTIM_SetOnce_Start(LPTIM_HandleTypeDef *hlptim, uint32_t Period, uint32_t Pulse);
637 HAL_StatusTypeDef HAL_LPTIM_SetOnce_Stop(LPTIM_HandleTypeDef *hlptim);
638 /* Non-Blocking mode: Interrupt */
639 HAL_StatusTypeDef HAL_LPTIM_SetOnce_Start_IT(LPTIM_HandleTypeDef *hlptim, uint32_t Period, uint32_t Pulse);
640 HAL_StatusTypeDef HAL_LPTIM_SetOnce_Stop_IT(LPTIM_HandleTypeDef *hlptim);
641 
642 /* ############################### Encoder Mode ##############################*/
643 /* Blocking mode: Polling */
644 HAL_StatusTypeDef HAL_LPTIM_Encoder_Start(LPTIM_HandleTypeDef *hlptim, uint32_t Period);
645 HAL_StatusTypeDef HAL_LPTIM_Encoder_Stop(LPTIM_HandleTypeDef *hlptim);
646 /* Non-Blocking mode: Interrupt */
647 HAL_StatusTypeDef HAL_LPTIM_Encoder_Start_IT(LPTIM_HandleTypeDef *hlptim, uint32_t Period);
648 HAL_StatusTypeDef HAL_LPTIM_Encoder_Stop_IT(LPTIM_HandleTypeDef *hlptim);
649 
650 /* ############################# Time out  Mode ##############################*/
651 /* Blocking mode: Polling */
652 HAL_StatusTypeDef HAL_LPTIM_TimeOut_Start(LPTIM_HandleTypeDef *hlptim, uint32_t Period, uint32_t Timeout);
653 HAL_StatusTypeDef HAL_LPTIM_TimeOut_Stop(LPTIM_HandleTypeDef *hlptim);
654 /* Non-Blocking mode: Interrupt */
655 HAL_StatusTypeDef HAL_LPTIM_TimeOut_Start_IT(LPTIM_HandleTypeDef *hlptim, uint32_t Period, uint32_t Timeout);
656 HAL_StatusTypeDef HAL_LPTIM_TimeOut_Stop_IT(LPTIM_HandleTypeDef *hlptim);
657 
658 /* ############################## Counter Mode ###############################*/
659 /* Blocking mode: Polling */
660 HAL_StatusTypeDef HAL_LPTIM_Counter_Start(LPTIM_HandleTypeDef *hlptim, uint32_t Period);
661 HAL_StatusTypeDef HAL_LPTIM_Counter_Stop(LPTIM_HandleTypeDef *hlptim);
662 /* Non-Blocking mode: Interrupt */
663 HAL_StatusTypeDef HAL_LPTIM_Counter_Start_IT(LPTIM_HandleTypeDef *hlptim, uint32_t Period);
664 HAL_StatusTypeDef HAL_LPTIM_Counter_Stop_IT(LPTIM_HandleTypeDef *hlptim);
665 /**
666   * @}
667   */
668 
669 /** @addtogroup LPTIM_Exported_Functions_Group3
670   *  @brief  Read operation functions.
671   * @{
672   */
673 /* Reading operation functions ************************************************/
674 uint32_t HAL_LPTIM_ReadCounter(const LPTIM_HandleTypeDef *hlptim);
675 uint32_t HAL_LPTIM_ReadAutoReload(const LPTIM_HandleTypeDef *hlptim);
676 uint32_t HAL_LPTIM_ReadCompare(const LPTIM_HandleTypeDef *hlptim);
677 /**
678   * @}
679   */
680 
681 /** @addtogroup LPTIM_Exported_Functions_Group4
682   *  @brief  LPTIM IRQ handler and callback functions.
683   * @{
684   */
685 /* LPTIM IRQ functions  *******************************************************/
686 void HAL_LPTIM_IRQHandler(LPTIM_HandleTypeDef *hlptim);
687 
688 /* CallBack functions  ********************************************************/
689 void HAL_LPTIM_CompareMatchCallback(LPTIM_HandleTypeDef *hlptim);
690 void HAL_LPTIM_AutoReloadMatchCallback(LPTIM_HandleTypeDef *hlptim);
691 void HAL_LPTIM_TriggerCallback(LPTIM_HandleTypeDef *hlptim);
692 void HAL_LPTIM_CompareWriteCallback(LPTIM_HandleTypeDef *hlptim);
693 void HAL_LPTIM_AutoReloadWriteCallback(LPTIM_HandleTypeDef *hlptim);
694 void HAL_LPTIM_DirectionUpCallback(LPTIM_HandleTypeDef *hlptim);
695 void HAL_LPTIM_DirectionDownCallback(LPTIM_HandleTypeDef *hlptim);
696 
697 /* Callbacks Register/UnRegister functions  ***********************************/
698 #if (USE_HAL_LPTIM_REGISTER_CALLBACKS == 1)
699 HAL_StatusTypeDef HAL_LPTIM_RegisterCallback(LPTIM_HandleTypeDef *lphtim, HAL_LPTIM_CallbackIDTypeDef CallbackID,
700                                              pLPTIM_CallbackTypeDef pCallback);
701 HAL_StatusTypeDef HAL_LPTIM_UnRegisterCallback(LPTIM_HandleTypeDef *lphtim, HAL_LPTIM_CallbackIDTypeDef CallbackID);
702 #endif /* USE_HAL_LPTIM_REGISTER_CALLBACKS */
703 /**
704   * @}
705   */
706 
707 /** @addtogroup LPTIM_Group5
708   *  @brief   Peripheral State functions.
709   * @{
710   */
711 /* Peripheral State functions  ************************************************/
712 HAL_LPTIM_StateTypeDef HAL_LPTIM_GetState(const LPTIM_HandleTypeDef *hlptim);
713 /**
714   * @}
715   */
716 
717 /**
718   * @}
719   */
720 
721 /* Private types -------------------------------------------------------------*/
722 /** @defgroup LPTIM_Private_Types LPTIM Private Types
723   * @{
724   */
725 
726 /**
727   * @}
728   */
729 
730 /* Private variables ---------------------------------------------------------*/
731 /** @defgroup LPTIM_Private_Variables LPTIM Private Variables
732   * @{
733   */
734 
735 /**
736   * @}
737   */
738 
739 /* Private constants ---------------------------------------------------------*/
740 /** @defgroup LPTIM_Private_Constants LPTIM Private Constants
741   * @{
742   */
743 
744 /**
745   * @}
746   */
747 
748 /* Private macros ------------------------------------------------------------*/
749 /** @defgroup LPTIM_Private_Macros LPTIM Private Macros
750   * @{
751   */
752 
753 #define IS_LPTIM_CLOCK_SOURCE(__SOURCE__)       (((__SOURCE__) == LPTIM_CLOCKSOURCE_ULPTIM) || \
754                                                  ((__SOURCE__) == LPTIM_CLOCKSOURCE_APBCLOCK_LPOSC))
755 
756 
757 #define IS_LPTIM_CLOCK_PRESCALER(__PRESCALER__) (((__PRESCALER__) ==  LPTIM_PRESCALER_DIV1  ) || \
758                                                  ((__PRESCALER__) ==  LPTIM_PRESCALER_DIV2  ) || \
759                                                  ((__PRESCALER__) ==  LPTIM_PRESCALER_DIV4  ) || \
760                                                  ((__PRESCALER__) ==  LPTIM_PRESCALER_DIV8  ) || \
761                                                  ((__PRESCALER__) ==  LPTIM_PRESCALER_DIV16 ) || \
762                                                  ((__PRESCALER__) ==  LPTIM_PRESCALER_DIV32 ) || \
763                                                  ((__PRESCALER__) ==  LPTIM_PRESCALER_DIV64 ) || \
764                                                  ((__PRESCALER__) ==  LPTIM_PRESCALER_DIV128))
765 
766 #define IS_LPTIM_CLOCK_PRESCALERDIV1(__PRESCALER__) ((__PRESCALER__) ==  LPTIM_PRESCALER_DIV1)
767 
768 #define IS_LPTIM_OUTPUT_POLARITY(__POLARITY__)  (((__POLARITY__) == LPTIM_OUTPUTPOLARITY_LOW ) || \
769                                                  ((__POLARITY__) == LPTIM_OUTPUTPOLARITY_HIGH))
770 
771 #define IS_LPTIM_CLOCK_SAMPLE_TIME(__SAMPLETIME__) (((__SAMPLETIME__) == LPTIM_CLOCKSAMPLETIME_DIRECTTRANSITION) || \
772                                                     ((__SAMPLETIME__) == LPTIM_CLOCKSAMPLETIME_2TRANSITIONS)     || \
773                                                     ((__SAMPLETIME__) == LPTIM_CLOCKSAMPLETIME_4TRANSITIONS)     || \
774                                                     ((__SAMPLETIME__) == LPTIM_CLOCKSAMPLETIME_8TRANSITIONS))
775 
776 #define IS_LPTIM_CLOCK_POLARITY(__POLARITY__)   (((__POLARITY__) == LPTIM_CLOCKPOLARITY_RISING)  || \
777                                                  ((__POLARITY__) == LPTIM_CLOCKPOLARITY_FALLING) || \
778                                                  ((__POLARITY__) == LPTIM_CLOCKPOLARITY_RISING_FALLING))
779 
780 #define IS_LPTIM_TRG_SOURCE(__TRIG__)           (((__TRIG__) == LPTIM_TRIGSOURCE_SOFTWARE) || \
781                                                  ((__TRIG__) == LPTIM_TRIGSOURCE_0) || \
782                                                  ((__TRIG__) == LPTIM_TRIGSOURCE_1) || \
783                                                  ((__TRIG__) == LPTIM_TRIGSOURCE_2) || \
784                                                  ((__TRIG__) == LPTIM_TRIGSOURCE_3) || \
785                                                  ((__TRIG__) == LPTIM_TRIGSOURCE_4) || \
786                                                  ((__TRIG__) == LPTIM_TRIGSOURCE_5) || \
787                                                  ((__TRIG__) == LPTIM_TRIGSOURCE_6) || \
788                                                  ((__TRIG__) == LPTIM_TRIGSOURCE_7))
789 
790 #define IS_LPTIM_EXT_TRG_POLARITY(__POLARITY__) (((__POLARITY__) == LPTIM_ACTIVEEDGE_RISING         ) || \
791                                                  ((__POLARITY__) == LPTIM_ACTIVEEDGE_FALLING        ) || \
792                                                  ((__POLARITY__) == LPTIM_ACTIVEEDGE_RISING_FALLING ))
793 
794 #define IS_LPTIM_TRIG_SAMPLE_TIME(__SAMPLETIME__) (((__SAMPLETIME__) == LPTIM_TRIGSAMPLETIME_DIRECTTRANSITION) || \
795                                                    ((__SAMPLETIME__) == LPTIM_TRIGSAMPLETIME_2TRANSITIONS    ) || \
796                                                    ((__SAMPLETIME__) == LPTIM_TRIGSAMPLETIME_4TRANSITIONS    ) || \
797                                                    ((__SAMPLETIME__) == LPTIM_TRIGSAMPLETIME_8TRANSITIONS    ))
798 
799 #define IS_LPTIM_UPDATE_MODE(__MODE__)          (((__MODE__) == LPTIM_UPDATE_IMMEDIATE) || \
800                                                  ((__MODE__) == LPTIM_UPDATE_ENDOFPERIOD))
801 
802 #define IS_LPTIM_COUNTER_SOURCE(__SOURCE__)     (((__SOURCE__) == LPTIM_COUNTERSOURCE_INTERNAL) || \
803                                                  ((__SOURCE__) == LPTIM_COUNTERSOURCE_EXTERNAL))
804 
805 #define IS_LPTIM_COMPARE(__COMPARE__)           ((__COMPARE__) <= 0x0000FFFFUL)
806 
807 #define IS_LPTIM_PERIOD(__PERIOD__)             ((0x00000001UL <= (__PERIOD__)) &&\
808                                                  ((__PERIOD__) <= 0x0000FFFFUL))
809 
810 #define IS_LPTIM_PULSE(__PULSE__)               ((__PULSE__) <= 0x0000FFFFUL)
811 
812 #define IS_LPTIM_INPUT1_SOURCE(__INSTANCE__, __SOURCE__)  \
813   ((((__INSTANCE__) == LPTIM1) &&                       \
814     (((__SOURCE__) == LPTIM_INPUT1SOURCE_GPIO) ||        \
815      ((__SOURCE__) == LPTIM_INPUT1SOURCE_COMP1)))        \
816    ||                                                   \
817    (((__INSTANCE__) == LPTIM2) &&                       \
818     (((__SOURCE__) == LPTIM_INPUT1SOURCE_GPIO) ||        \
819      ((__SOURCE__) == LPTIM_INPUT1SOURCE_COMP1) ||       \
820      ((__SOURCE__) == LPTIM_INPUT1SOURCE_COMP2) ||       \
821      ((__SOURCE__) == LPTIM_INPUT1SOURCE_COMP1_COMP2))))
822 
823 #define IS_LPTIM_INPUT2_SOURCE(__INSTANCE__, __SOURCE__)  \
824   (((__INSTANCE__) == LPTIM1) &&                       \
825    (((__SOURCE__) == LPTIM_INPUT2SOURCE_GPIO) ||        \
826     ((__SOURCE__) == LPTIM_INPUT2SOURCE_COMP2)))
827 
828 /**
829   * @}
830   */
831 
832 /* Private functions ---------------------------------------------------------*/
833 /** @defgroup LPTIM_Private_Functions LPTIM Private Functions
834   * @{
835   */
836 void LPTIM_Disable(LPTIM_HandleTypeDef *hlptim);
837 /**
838   * @}
839   */
840 
841 /**
842   * @}
843   */
844 
845 #endif /* LPTIM1 || LPTIM2 */
846 /**
847   * @}
848   */
849 
850 #ifdef __cplusplus
851 }
852 #endif
853 
854 #endif /* STM32G0xx_HAL_LPTIM_H */
855