stm32f4xx_ll_lptim.h 50 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32f4xx_ll_lptim.h
  4. * @author MCD Application Team
  5. * @brief Header file of LPTIM LL module.
  6. ******************************************************************************
  7. * @attention
  8. *
  9. * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
  10. * All rights reserved.</center></h2>
  11. *
  12. * This software component is licensed by ST under BSD 3-Clause license,
  13. * the "License"; You may not use this file except in compliance with the
  14. * License. You may obtain a copy of the License at:
  15. * opensource.org/licenses/BSD-3-Clause
  16. *
  17. ******************************************************************************
  18. */
  19. /* Define to prevent recursive inclusion -------------------------------------*/
  20. #ifndef STM32F4xx_LL_LPTIM_H
  21. #define STM32F4xx_LL_LPTIM_H
  22. #ifdef __cplusplus
  23. extern "C" {
  24. #endif
  25. /* Includes ------------------------------------------------------------------*/
  26. #include "stm32f4xx.h"
  27. /** @addtogroup STM32F4xx_LL_Driver
  28. * @{
  29. */
  30. #if defined (LPTIM1)
  31. /** @defgroup LPTIM_LL LPTIM
  32. * @{
  33. */
  34. /* Private types -------------------------------------------------------------*/
  35. /* Private variables ---------------------------------------------------------*/
  36. /* Private constants ---------------------------------------------------------*/
  37. /* Private macros ------------------------------------------------------------*/
  38. #if defined(USE_FULL_LL_DRIVER)
  39. /** @defgroup LPTIM_LL_Private_Macros LPTIM Private Macros
  40. * @{
  41. */
  42. /**
  43. * @}
  44. */
  45. #endif /*USE_FULL_LL_DRIVER*/
  46. /* Exported types ------------------------------------------------------------*/
  47. #if defined(USE_FULL_LL_DRIVER)
  48. /** @defgroup LPTIM_LL_ES_INIT LPTIM Exported Init structure
  49. * @{
  50. */
  51. /**
  52. * @brief LPTIM Init structure definition
  53. */
  54. typedef struct
  55. {
  56. uint32_t ClockSource; /*!< Specifies the source of the clock used by the LPTIM instance.
  57. This parameter can be a value of @ref LPTIM_LL_EC_CLK_SOURCE.
  58. This feature can be modified afterwards using unitary function @ref LL_LPTIM_SetClockSource().*/
  59. uint32_t Prescaler; /*!< Specifies the prescaler division ratio.
  60. This parameter can be a value of @ref LPTIM_LL_EC_PRESCALER.
  61. This feature can be modified afterwards using using unitary function @ref LL_LPTIM_SetPrescaler().*/
  62. uint32_t Waveform; /*!< Specifies the waveform shape.
  63. This parameter can be a value of @ref LPTIM_LL_EC_OUTPUT_WAVEFORM.
  64. This feature can be modified afterwards using unitary function @ref LL_LPTIM_ConfigOutput().*/
  65. uint32_t Polarity; /*!< Specifies waveform polarity.
  66. This parameter can be a value of @ref LPTIM_LL_EC_OUTPUT_POLARITY.
  67. This feature can be modified afterwards using unitary function @ref LL_LPTIM_ConfigOutput().*/
  68. } LL_LPTIM_InitTypeDef;
  69. /**
  70. * @}
  71. */
  72. #endif /* USE_FULL_LL_DRIVER */
  73. /* Exported constants --------------------------------------------------------*/
  74. /** @defgroup LPTIM_LL_Exported_Constants LPTIM Exported Constants
  75. * @{
  76. */
  77. /** @defgroup LPTIM_LL_EC_GET_FLAG Get Flags Defines
  78. * @brief Flags defines which can be used with LL_LPTIM_ReadReg function
  79. * @{
  80. */
  81. #define LL_LPTIM_ISR_CMPM LPTIM_ISR_CMPM /*!< Compare match */
  82. #define LL_LPTIM_ISR_ARRM LPTIM_ISR_ARRM /*!< Autoreload match */
  83. #define LL_LPTIM_ISR_EXTTRIG LPTIM_ISR_EXTTRIG /*!< External trigger edge event */
  84. #define LL_LPTIM_ISR_CMPOK LPTIM_ISR_CMPOK /*!< Compare register update OK */
  85. #define LL_LPTIM_ISR_ARROK LPTIM_ISR_ARROK /*!< Autoreload register update OK */
  86. #define LL_LPTIM_ISR_UP LPTIM_ISR_UP /*!< Counter direction change down to up */
  87. #define LL_LPTIM_ISR_DOWN LPTIM_ISR_DOWN /*!< Counter direction change up to down */
  88. /**
  89. * @}
  90. */
  91. /** @defgroup LPTIM_LL_EC_IT IT Defines
  92. * @brief IT defines which can be used with LL_LPTIM_ReadReg and LL_LPTIM_WriteReg functions
  93. * @{
  94. */
  95. #define LL_LPTIM_IER_CMPMIE LPTIM_IER_CMPMIE /*!< Compare match Interrupt Enable */
  96. #define LL_LPTIM_IER_ARRMIE LPTIM_IER_ARRMIE /*!< Autoreload match Interrupt Enable */
  97. #define LL_LPTIM_IER_EXTTRIGIE LPTIM_IER_EXTTRIGIE /*!< External trigger valid edge Interrupt Enable */
  98. #define LL_LPTIM_IER_CMPOKIE LPTIM_IER_CMPOKIE /*!< Compare register update OK Interrupt Enable */
  99. #define LL_LPTIM_IER_ARROKIE LPTIM_IER_ARROKIE /*!< Autoreload register update OK Interrupt Enable */
  100. #define LL_LPTIM_IER_UPIE LPTIM_IER_UPIE /*!< Direction change to UP Interrupt Enable */
  101. #define LL_LPTIM_IER_DOWNIE LPTIM_IER_DOWNIE /*!< Direction change to down Interrupt Enable */
  102. /**
  103. * @}
  104. */
  105. /** @defgroup LPTIM_LL_EC_OPERATING_MODE Operating Mode
  106. * @{
  107. */
  108. #define LL_LPTIM_OPERATING_MODE_CONTINUOUS LPTIM_CR_CNTSTRT /*!<LP Timer starts in continuous mode*/
  109. #define LL_LPTIM_OPERATING_MODE_ONESHOT LPTIM_CR_SNGSTRT /*!<LP Tilmer starts in single mode*/
  110. /**
  111. * @}
  112. */
  113. /** @defgroup LPTIM_LL_EC_UPDATE_MODE Update Mode
  114. * @{
  115. */
  116. #define LL_LPTIM_UPDATE_MODE_IMMEDIATE 0x00000000U /*!<Preload is disabled: registers are updated after each APB bus write access*/
  117. #define LL_LPTIM_UPDATE_MODE_ENDOFPERIOD LPTIM_CFGR_PRELOAD /*!<preload is enabled: registers are updated at the end of the current LPTIM period*/
  118. /**
  119. * @}
  120. */
  121. /** @defgroup LPTIM_LL_EC_COUNTER_MODE Counter Mode
  122. * @{
  123. */
  124. #define LL_LPTIM_COUNTER_MODE_INTERNAL 0x00000000U /*!<The counter is incremented following each internal clock pulse*/
  125. #define LL_LPTIM_COUNTER_MODE_EXTERNAL LPTIM_CFGR_COUNTMODE /*!<The counter is incremented following each valid clock pulse on the LPTIM external Input1*/
  126. /**
  127. * @}
  128. */
  129. /** @defgroup LPTIM_LL_EC_OUTPUT_WAVEFORM Output Waveform Type
  130. * @{
  131. */
  132. #define LL_LPTIM_OUTPUT_WAVEFORM_PWM 0x00000000U /*!<LPTIM generates either a PWM waveform or a One pulse waveform depending on chosen operating mode CONTINOUS or SINGLE*/
  133. #define LL_LPTIM_OUTPUT_WAVEFORM_SETONCE LPTIM_CFGR_WAVE /*!<LPTIM generates a Set Once waveform*/
  134. /**
  135. * @}
  136. */
  137. /** @defgroup LPTIM_LL_EC_OUTPUT_POLARITY Output Polarity
  138. * @{
  139. */
  140. #define LL_LPTIM_OUTPUT_POLARITY_REGULAR 0x00000000U /*!<The LPTIM output reflects the compare results between LPTIMx_ARR and LPTIMx_CMP registers*/
  141. #define LL_LPTIM_OUTPUT_POLARITY_INVERSE LPTIM_CFGR_WAVPOL /*!<The LPTIM output reflects the inverse of the compare results between LPTIMx_ARR and LPTIMx_CMP registers*/
  142. /**
  143. * @}
  144. */
  145. /** @defgroup LPTIM_LL_EC_PRESCALER Prescaler Value
  146. * @{
  147. */
  148. #define LL_LPTIM_PRESCALER_DIV1 0x00000000U /*!<Prescaler division factor is set to 1*/
  149. #define LL_LPTIM_PRESCALER_DIV2 LPTIM_CFGR_PRESC_0 /*!<Prescaler division factor is set to 2*/
  150. #define LL_LPTIM_PRESCALER_DIV4 LPTIM_CFGR_PRESC_1 /*!<Prescaler division factor is set to 4*/
  151. #define LL_LPTIM_PRESCALER_DIV8 (LPTIM_CFGR_PRESC_1 | LPTIM_CFGR_PRESC_0) /*!<Prescaler division factor is set to 8*/
  152. #define LL_LPTIM_PRESCALER_DIV16 LPTIM_CFGR_PRESC_2 /*!<Prescaler division factor is set to 16*/
  153. #define LL_LPTIM_PRESCALER_DIV32 (LPTIM_CFGR_PRESC_2 | LPTIM_CFGR_PRESC_0) /*!<Prescaler division factor is set to 32*/
  154. #define LL_LPTIM_PRESCALER_DIV64 (LPTIM_CFGR_PRESC_2 | LPTIM_CFGR_PRESC_1) /*!<Prescaler division factor is set to 64*/
  155. #define LL_LPTIM_PRESCALER_DIV128 LPTIM_CFGR_PRESC /*!<Prescaler division factor is set to 128*/
  156. /**
  157. * @}
  158. */
  159. /** @defgroup LPTIM_LL_EC_TRIG_SOURCE Trigger Source
  160. * @{
  161. */
  162. #define LL_LPTIM_TRIG_SOURCE_GPIO 0x00000000U /*!<External input trigger is connected to TIMx_ETR input*/
  163. #define LL_LPTIM_TRIG_SOURCE_RTCALARMA LPTIM_CFGR_TRIGSEL_0 /*!<External input trigger is connected to RTC Alarm A*/
  164. #define LL_LPTIM_TRIG_SOURCE_RTCALARMB LPTIM_CFGR_TRIGSEL_1 /*!<External input trigger is connected to RTC Alarm B*/
  165. #define LL_LPTIM_TRIG_SOURCE_RTCTAMP1 (LPTIM_CFGR_TRIGSEL_1 | LPTIM_CFGR_TRIGSEL_0) /*!<External input trigger is connected to RTC Tamper 1*/
  166. #define LL_LPTIM_TRIG_SOURCE_TIM1_TRGO LPTIM_CFGR_TRIGSEL_2 /*!<External input trigger is connected to TIM1*/
  167. #define LL_LPTIM_TRIG_SOURCE_TIM5_TRGO (LPTIM_CFGR_TRIGSEL_2 | LPTIM_CFGR_TRIGSEL_0) /*!<External input trigger is connected to TIM5*/
  168. /**
  169. * @}
  170. */
  171. /** @defgroup LPTIM_LL_EC_TRIG_FILTER Trigger Filter
  172. * @{
  173. */
  174. #define LL_LPTIM_TRIG_FILTER_NONE 0x00000000U /*!<Any trigger active level change is considered as a valid trigger*/
  175. #define LL_LPTIM_TRIG_FILTER_2 LPTIM_CFGR_TRGFLT_0 /*!<Trigger active level change must be stable for at least 2 clock periods before it is considered as valid trigger*/
  176. #define LL_LPTIM_TRIG_FILTER_4 LPTIM_CFGR_TRGFLT_1 /*!<Trigger active level change must be stable for at least 4 clock periods before it is considered as valid trigger*/
  177. #define LL_LPTIM_TRIG_FILTER_8 LPTIM_CFGR_TRGFLT /*!<Trigger active level change must be stable for at least 8 clock periods before it is considered as valid trigger*/
  178. /**
  179. * @}
  180. */
  181. /** @defgroup LPTIM_LL_EC_TRIG_POLARITY Trigger Polarity
  182. * @{
  183. */
  184. #define LL_LPTIM_TRIG_POLARITY_RISING LPTIM_CFGR_TRIGEN_0 /*!<LPTIM counter starts when a rising edge is detected*/
  185. #define LL_LPTIM_TRIG_POLARITY_FALLING LPTIM_CFGR_TRIGEN_1 /*!<LPTIM counter starts when a falling edge is detected*/
  186. #define LL_LPTIM_TRIG_POLARITY_RISING_FALLING LPTIM_CFGR_TRIGEN /*!<LPTIM counter starts when a rising or a falling edge is detected*/
  187. /**
  188. * @}
  189. */
  190. /** @defgroup LPTIM_LL_EC_CLK_SOURCE Clock Source
  191. * @{
  192. */
  193. #define LL_LPTIM_CLK_SOURCE_INTERNAL 0x00000000U /*!<LPTIM is clocked by internal clock source (APB clock or any of the embedded oscillators)*/
  194. #define LL_LPTIM_CLK_SOURCE_EXTERNAL LPTIM_CFGR_CKSEL /*!<LPTIM is clocked by an external clock source through the LPTIM external Input1*/
  195. /**
  196. * @}
  197. */
  198. /** @defgroup LPTIM_LL_EC_CLK_FILTER Clock Filter
  199. * @{
  200. */
  201. #define LL_LPTIM_CLK_FILTER_NONE 0x00000000U /*!<Any external clock signal level change is considered as a valid transition*/
  202. #define LL_LPTIM_CLK_FILTER_2 LPTIM_CFGR_CKFLT_0 /*!<External clock signal level change must be stable for at least 2 clock periods before it is considered as valid transition*/
  203. #define LL_LPTIM_CLK_FILTER_4 LPTIM_CFGR_CKFLT_1 /*!<External clock signal level change must be stable for at least 4 clock periods before it is considered as valid transition*/
  204. #define LL_LPTIM_CLK_FILTER_8 LPTIM_CFGR_CKFLT /*!<External clock signal level change must be stable for at least 8 clock periods before it is considered as valid transition*/
  205. /**
  206. * @}
  207. */
  208. /** @defgroup LPTIM_LL_EC_CLK_POLARITY Clock Polarity
  209. * @{
  210. */
  211. #define LL_LPTIM_CLK_POLARITY_RISING 0x00000000U /*!< The rising edge is the active edge used for counting*/
  212. #define LL_LPTIM_CLK_POLARITY_FALLING LPTIM_CFGR_CKPOL_0 /*!< The falling edge is the active edge used for counting*/
  213. #define LL_LPTIM_CLK_POLARITY_RISING_FALLING LPTIM_CFGR_CKPOL_1 /*!< Both edges are active edges*/
  214. /**
  215. * @}
  216. */
  217. /** @defgroup LPTIM_LL_EC_ENCODER_MODE Encoder Mode
  218. * @{
  219. */
  220. #define LL_LPTIM_ENCODER_MODE_RISING 0x00000000U /*!< The rising edge is the active edge used for counting*/
  221. #define LL_LPTIM_ENCODER_MODE_FALLING LPTIM_CFGR_CKPOL_0 /*!< The falling edge is the active edge used for counting*/
  222. #define LL_LPTIM_ENCODER_MODE_RISING_FALLING LPTIM_CFGR_CKPOL_1 /*!< Both edges are active edges*/
  223. /**
  224. * @}
  225. */
  226. #if defined(LPTIM_OR_OR)
  227. /** @defgroup LPTIM_EC_INPUT1_SRC Input1 Source
  228. * @{
  229. */
  230. #define LL_LPTIM_INPUT1_SRC_PAD_AF 0x00000000U
  231. #define LL_LPTIM_INPUT1_SRC_PAD_PA4 LPTIM_OR_OR_0
  232. #define LL_LPTIM_INPUT1_SRC_PAD_PB9 LPTIM_OR_OR_1
  233. #define LL_LPTIM_INPUT1_SRC_TIM_DAC LPTIM_OR_OR
  234. /**
  235. * @}
  236. */
  237. #endif /* LPTIM_OR_OR */
  238. /**
  239. * @}
  240. */
  241. /* Exported macro ------------------------------------------------------------*/
  242. /** @defgroup LPTIM_LL_Exported_Macros LPTIM Exported Macros
  243. * @{
  244. */
  245. /** @defgroup LPTIM_LL_EM_WRITE_READ Common Write and read registers Macros
  246. * @{
  247. */
  248. /**
  249. * @brief Write a value in LPTIM register
  250. * @param __INSTANCE__ LPTIM Instance
  251. * @param __REG__ Register to be written
  252. * @param __VALUE__ Value to be written in the register
  253. * @retval None
  254. */
  255. #define LL_LPTIM_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG((__INSTANCE__)->__REG__, (__VALUE__))
  256. /**
  257. * @brief Read a value in LPTIM register
  258. * @param __INSTANCE__ LPTIM Instance
  259. * @param __REG__ Register to be read
  260. * @retval Register value
  261. */
  262. #define LL_LPTIM_ReadReg(__INSTANCE__, __REG__) READ_REG((__INSTANCE__)->__REG__)
  263. /**
  264. * @}
  265. */
  266. /**
  267. * @}
  268. */
  269. /* Exported functions --------------------------------------------------------*/
  270. /** @defgroup LPTIM_LL_Exported_Functions LPTIM Exported Functions
  271. * @{
  272. */
  273. #if defined(USE_FULL_LL_DRIVER)
  274. /** @defgroup LPTIM_LL_EF_Init Initialisation and deinitialisation functions
  275. * @{
  276. */
  277. ErrorStatus LL_LPTIM_DeInit(LPTIM_TypeDef *LPTIMx);
  278. void LL_LPTIM_StructInit(LL_LPTIM_InitTypeDef *LPTIM_InitStruct);
  279. ErrorStatus LL_LPTIM_Init(LPTIM_TypeDef *LPTIMx, LL_LPTIM_InitTypeDef *LPTIM_InitStruct);
  280. void LL_LPTIM_Disable(LPTIM_TypeDef *LPTIMx);
  281. /**
  282. * @}
  283. */
  284. #endif /* USE_FULL_LL_DRIVER */
  285. /** @defgroup LPTIM_LL_EF_LPTIM_Configuration LPTIM Configuration
  286. * @{
  287. */
  288. /**
  289. * @brief Enable the LPTIM instance
  290. * @note After setting the ENABLE bit, a delay of two counter clock is needed
  291. * before the LPTIM instance is actually enabled.
  292. * @rmtoll CR ENABLE LL_LPTIM_Enable
  293. * @param LPTIMx Low-Power Timer instance
  294. * @retval None
  295. */
  296. __STATIC_INLINE void LL_LPTIM_Enable(LPTIM_TypeDef *LPTIMx)
  297. {
  298. SET_BIT(LPTIMx->CR, LPTIM_CR_ENABLE);
  299. }
  300. /**
  301. * @brief Indicates whether the LPTIM instance is enabled.
  302. * @rmtoll CR ENABLE LL_LPTIM_IsEnabled
  303. * @param LPTIMx Low-Power Timer instance
  304. * @retval State of bit (1 or 0).
  305. */
  306. __STATIC_INLINE uint32_t LL_LPTIM_IsEnabled(LPTIM_TypeDef *LPTIMx)
  307. {
  308. return (((READ_BIT(LPTIMx->CR, LPTIM_CR_ENABLE) == LPTIM_CR_ENABLE) ? 1UL : 0UL));
  309. }
  310. /**
  311. * @brief Starts the LPTIM counter in the desired mode.
  312. * @note LPTIM instance must be enabled before starting the counter.
  313. * @note It is possible to change on the fly from One Shot mode to
  314. * Continuous mode.
  315. * @rmtoll CR CNTSTRT LL_LPTIM_StartCounter\n
  316. * CR SNGSTRT LL_LPTIM_StartCounter
  317. * @param LPTIMx Low-Power Timer instance
  318. * @param OperatingMode This parameter can be one of the following values:
  319. * @arg @ref LL_LPTIM_OPERATING_MODE_CONTINUOUS
  320. * @arg @ref LL_LPTIM_OPERATING_MODE_ONESHOT
  321. * @retval None
  322. */
  323. __STATIC_INLINE void LL_LPTIM_StartCounter(LPTIM_TypeDef *LPTIMx, uint32_t OperatingMode)
  324. {
  325. MODIFY_REG(LPTIMx->CR, LPTIM_CR_CNTSTRT | LPTIM_CR_SNGSTRT, OperatingMode);
  326. }
  327. /**
  328. * @brief Set the LPTIM registers update mode (enable/disable register preload)
  329. * @note This function must be called when the LPTIM instance is disabled.
  330. * @rmtoll CFGR PRELOAD LL_LPTIM_SetUpdateMode
  331. * @param LPTIMx Low-Power Timer instance
  332. * @param UpdateMode This parameter can be one of the following values:
  333. * @arg @ref LL_LPTIM_UPDATE_MODE_IMMEDIATE
  334. * @arg @ref LL_LPTIM_UPDATE_MODE_ENDOFPERIOD
  335. * @retval None
  336. */
  337. __STATIC_INLINE void LL_LPTIM_SetUpdateMode(LPTIM_TypeDef *LPTIMx, uint32_t UpdateMode)
  338. {
  339. MODIFY_REG(LPTIMx->CFGR, LPTIM_CFGR_PRELOAD, UpdateMode);
  340. }
  341. /**
  342. * @brief Get the LPTIM registers update mode
  343. * @rmtoll CFGR PRELOAD LL_LPTIM_GetUpdateMode
  344. * @param LPTIMx Low-Power Timer instance
  345. * @retval Returned value can be one of the following values:
  346. * @arg @ref LL_LPTIM_UPDATE_MODE_IMMEDIATE
  347. * @arg @ref LL_LPTIM_UPDATE_MODE_ENDOFPERIOD
  348. */
  349. __STATIC_INLINE uint32_t LL_LPTIM_GetUpdateMode(LPTIM_TypeDef *LPTIMx)
  350. {
  351. return (uint32_t)(READ_BIT(LPTIMx->CFGR, LPTIM_CFGR_PRELOAD));
  352. }
  353. /**
  354. * @brief Set the auto reload value
  355. * @note The LPTIMx_ARR register content must only be modified when the LPTIM is enabled
  356. * @note After a write to the LPTIMx_ARR register a new write operation to the
  357. * same register can only be performed when the previous write operation
  358. * is completed. Any successive write before the ARROK flag is set, will
  359. * lead to unpredictable results.
  360. * @note autoreload value be strictly greater than the compare value.
  361. * @rmtoll ARR ARR LL_LPTIM_SetAutoReload
  362. * @param LPTIMx Low-Power Timer instance
  363. * @param AutoReload Value between Min_Data=0x00 and Max_Data=0xFFFF
  364. * @retval None
  365. */
  366. __STATIC_INLINE void LL_LPTIM_SetAutoReload(LPTIM_TypeDef *LPTIMx, uint32_t AutoReload)
  367. {
  368. MODIFY_REG(LPTIMx->ARR, LPTIM_ARR_ARR, AutoReload);
  369. }
  370. /**
  371. * @brief Get actual auto reload value
  372. * @rmtoll ARR ARR LL_LPTIM_GetAutoReload
  373. * @param LPTIMx Low-Power Timer instance
  374. * @retval AutoReload Value between Min_Data=0x00 and Max_Data=0xFFFF
  375. */
  376. __STATIC_INLINE uint32_t LL_LPTIM_GetAutoReload(LPTIM_TypeDef *LPTIMx)
  377. {
  378. return (uint32_t)(READ_BIT(LPTIMx->ARR, LPTIM_ARR_ARR));
  379. }
  380. /**
  381. * @brief Set the compare value
  382. * @note After a write to the LPTIMx_CMP register a new write operation to the
  383. * same register can only be performed when the previous write operation
  384. * is completed. Any successive write before the CMPOK flag is set, will
  385. * lead to unpredictable results.
  386. * @rmtoll CMP CMP LL_LPTIM_SetCompare
  387. * @param LPTIMx Low-Power Timer instance
  388. * @param CompareValue Value between Min_Data=0x00 and Max_Data=0xFFFF
  389. * @retval None
  390. */
  391. __STATIC_INLINE void LL_LPTIM_SetCompare(LPTIM_TypeDef *LPTIMx, uint32_t CompareValue)
  392. {
  393. MODIFY_REG(LPTIMx->CMP, LPTIM_CMP_CMP, CompareValue);
  394. }
  395. /**
  396. * @brief Get actual compare value
  397. * @rmtoll CMP CMP LL_LPTIM_GetCompare
  398. * @param LPTIMx Low-Power Timer instance
  399. * @retval CompareValue Value between Min_Data=0x00 and Max_Data=0xFFFF
  400. */
  401. __STATIC_INLINE uint32_t LL_LPTIM_GetCompare(LPTIM_TypeDef *LPTIMx)
  402. {
  403. return (uint32_t)(READ_BIT(LPTIMx->CMP, LPTIM_CMP_CMP));
  404. }
  405. /**
  406. * @brief Get actual counter value
  407. * @note When the LPTIM instance is running with an asynchronous clock, reading
  408. * the LPTIMx_CNT register may return unreliable values. So in this case
  409. * it is necessary to perform two consecutive read accesses and verify
  410. * that the two returned values are identical.
  411. * @rmtoll CNT CNT LL_LPTIM_GetCounter
  412. * @param LPTIMx Low-Power Timer instance
  413. * @retval Counter value
  414. */
  415. __STATIC_INLINE uint32_t LL_LPTIM_GetCounter(LPTIM_TypeDef *LPTIMx)
  416. {
  417. return (uint32_t)(READ_BIT(LPTIMx->CNT, LPTIM_CNT_CNT));
  418. }
  419. /**
  420. * @brief Set the counter mode (selection of the LPTIM counter clock source).
  421. * @note The counter mode can be set only when the LPTIM instance is disabled.
  422. * @rmtoll CFGR COUNTMODE LL_LPTIM_SetCounterMode
  423. * @param LPTIMx Low-Power Timer instance
  424. * @param CounterMode This parameter can be one of the following values:
  425. * @arg @ref LL_LPTIM_COUNTER_MODE_INTERNAL
  426. * @arg @ref LL_LPTIM_COUNTER_MODE_EXTERNAL
  427. * @retval None
  428. */
  429. __STATIC_INLINE void LL_LPTIM_SetCounterMode(LPTIM_TypeDef *LPTIMx, uint32_t CounterMode)
  430. {
  431. MODIFY_REG(LPTIMx->CFGR, LPTIM_CFGR_COUNTMODE, CounterMode);
  432. }
  433. /**
  434. * @brief Get the counter mode
  435. * @rmtoll CFGR COUNTMODE LL_LPTIM_GetCounterMode
  436. * @param LPTIMx Low-Power Timer instance
  437. * @retval Returned value can be one of the following values:
  438. * @arg @ref LL_LPTIM_COUNTER_MODE_INTERNAL
  439. * @arg @ref LL_LPTIM_COUNTER_MODE_EXTERNAL
  440. */
  441. __STATIC_INLINE uint32_t LL_LPTIM_GetCounterMode(LPTIM_TypeDef *LPTIMx)
  442. {
  443. return (uint32_t)(READ_BIT(LPTIMx->CFGR, LPTIM_CFGR_COUNTMODE));
  444. }
  445. /**
  446. * @brief Configure the LPTIM instance output (LPTIMx_OUT)
  447. * @note This function must be called when the LPTIM instance is disabled.
  448. * @note Regarding the LPTIM output polarity the change takes effect
  449. * immediately, so the output default value will change immediately after
  450. * the polarity is re-configured, even before the timer is enabled.
  451. * @rmtoll CFGR WAVE LL_LPTIM_ConfigOutput\n
  452. * CFGR WAVPOL LL_LPTIM_ConfigOutput
  453. * @param LPTIMx Low-Power Timer instance
  454. * @param Waveform This parameter can be one of the following values:
  455. * @arg @ref LL_LPTIM_OUTPUT_WAVEFORM_PWM
  456. * @arg @ref LL_LPTIM_OUTPUT_WAVEFORM_SETONCE
  457. * @param Polarity This parameter can be one of the following values:
  458. * @arg @ref LL_LPTIM_OUTPUT_POLARITY_REGULAR
  459. * @arg @ref LL_LPTIM_OUTPUT_POLARITY_INVERSE
  460. * @retval None
  461. */
  462. __STATIC_INLINE void LL_LPTIM_ConfigOutput(LPTIM_TypeDef *LPTIMx, uint32_t Waveform, uint32_t Polarity)
  463. {
  464. MODIFY_REG(LPTIMx->CFGR, LPTIM_CFGR_WAVE | LPTIM_CFGR_WAVPOL, Waveform | Polarity);
  465. }
  466. /**
  467. * @brief Set waveform shape
  468. * @rmtoll CFGR WAVE LL_LPTIM_SetWaveform
  469. * @param LPTIMx Low-Power Timer instance
  470. * @param Waveform This parameter can be one of the following values:
  471. * @arg @ref LL_LPTIM_OUTPUT_WAVEFORM_PWM
  472. * @arg @ref LL_LPTIM_OUTPUT_WAVEFORM_SETONCE
  473. * @retval None
  474. */
  475. __STATIC_INLINE void LL_LPTIM_SetWaveform(LPTIM_TypeDef *LPTIMx, uint32_t Waveform)
  476. {
  477. MODIFY_REG(LPTIMx->CFGR, LPTIM_CFGR_WAVE, Waveform);
  478. }
  479. /**
  480. * @brief Get actual waveform shape
  481. * @rmtoll CFGR WAVE LL_LPTIM_GetWaveform
  482. * @param LPTIMx Low-Power Timer instance
  483. * @retval Returned value can be one of the following values:
  484. * @arg @ref LL_LPTIM_OUTPUT_WAVEFORM_PWM
  485. * @arg @ref LL_LPTIM_OUTPUT_WAVEFORM_SETONCE
  486. */
  487. __STATIC_INLINE uint32_t LL_LPTIM_GetWaveform(LPTIM_TypeDef *LPTIMx)
  488. {
  489. return (uint32_t)(READ_BIT(LPTIMx->CFGR, LPTIM_CFGR_WAVE));
  490. }
  491. /**
  492. * @brief Set output polarity
  493. * @rmtoll CFGR WAVPOL LL_LPTIM_SetPolarity
  494. * @param LPTIMx Low-Power Timer instance
  495. * @param Polarity This parameter can be one of the following values:
  496. * @arg @ref LL_LPTIM_OUTPUT_POLARITY_REGULAR
  497. * @arg @ref LL_LPTIM_OUTPUT_POLARITY_INVERSE
  498. * @retval None
  499. */
  500. __STATIC_INLINE void LL_LPTIM_SetPolarity(LPTIM_TypeDef *LPTIMx, uint32_t Polarity)
  501. {
  502. MODIFY_REG(LPTIMx->CFGR, LPTIM_CFGR_WAVPOL, Polarity);
  503. }
  504. /**
  505. * @brief Get actual output polarity
  506. * @rmtoll CFGR WAVPOL LL_LPTIM_GetPolarity
  507. * @param LPTIMx Low-Power Timer instance
  508. * @retval Returned value can be one of the following values:
  509. * @arg @ref LL_LPTIM_OUTPUT_POLARITY_REGULAR
  510. * @arg @ref LL_LPTIM_OUTPUT_POLARITY_INVERSE
  511. */
  512. __STATIC_INLINE uint32_t LL_LPTIM_GetPolarity(LPTIM_TypeDef *LPTIMx)
  513. {
  514. return (uint32_t)(READ_BIT(LPTIMx->CFGR, LPTIM_CFGR_WAVPOL));
  515. }
  516. /**
  517. * @brief Set actual prescaler division ratio.
  518. * @note This function must be called when the LPTIM instance is disabled.
  519. * @note When the LPTIM is configured to be clocked by an internal clock source
  520. * and the LPTIM counter is configured to be updated by active edges
  521. * detected on the LPTIM external Input1, the internal clock provided to
  522. * the LPTIM must be not be prescaled.
  523. * @rmtoll CFGR PRESC LL_LPTIM_SetPrescaler
  524. * @param LPTIMx Low-Power Timer instance
  525. * @param Prescaler This parameter can be one of the following values:
  526. * @arg @ref LL_LPTIM_PRESCALER_DIV1
  527. * @arg @ref LL_LPTIM_PRESCALER_DIV2
  528. * @arg @ref LL_LPTIM_PRESCALER_DIV4
  529. * @arg @ref LL_LPTIM_PRESCALER_DIV8
  530. * @arg @ref LL_LPTIM_PRESCALER_DIV16
  531. * @arg @ref LL_LPTIM_PRESCALER_DIV32
  532. * @arg @ref LL_LPTIM_PRESCALER_DIV64
  533. * @arg @ref LL_LPTIM_PRESCALER_DIV128
  534. * @retval None
  535. */
  536. __STATIC_INLINE void LL_LPTIM_SetPrescaler(LPTIM_TypeDef *LPTIMx, uint32_t Prescaler)
  537. {
  538. MODIFY_REG(LPTIMx->CFGR, LPTIM_CFGR_PRESC, Prescaler);
  539. }
  540. /**
  541. * @brief Get actual prescaler division ratio.
  542. * @rmtoll CFGR PRESC LL_LPTIM_GetPrescaler
  543. * @param LPTIMx Low-Power Timer instance
  544. * @retval Returned value can be one of the following values:
  545. * @arg @ref LL_LPTIM_PRESCALER_DIV1
  546. * @arg @ref LL_LPTIM_PRESCALER_DIV2
  547. * @arg @ref LL_LPTIM_PRESCALER_DIV4
  548. * @arg @ref LL_LPTIM_PRESCALER_DIV8
  549. * @arg @ref LL_LPTIM_PRESCALER_DIV16
  550. * @arg @ref LL_LPTIM_PRESCALER_DIV32
  551. * @arg @ref LL_LPTIM_PRESCALER_DIV64
  552. * @arg @ref LL_LPTIM_PRESCALER_DIV128
  553. */
  554. __STATIC_INLINE uint32_t LL_LPTIM_GetPrescaler(LPTIM_TypeDef *LPTIMx)
  555. {
  556. return (uint32_t)(READ_BIT(LPTIMx->CFGR, LPTIM_CFGR_PRESC));
  557. }
  558. #if defined(LPTIM_OR_OR)
  559. /**
  560. * @brief Set LPTIM input 1 source (default GPIO).
  561. * @rmtoll OR OR LL_LPTIM_SetInput1Src
  562. * @param LPTIMx Low-Power Timer instance
  563. * @param Src This parameter can be one of the following values:
  564. * @arg @ref LL_LPTIM_INPUT1_SRC_PAD_AF
  565. * @arg @ref LL_LPTIM_INPUT1_SRC_PAD_PA4
  566. * @arg @ref LL_LPTIM_INPUT1_SRC_PAD_PB9
  567. * @arg @ref LL_LPTIM_INPUT1_SRC_TIM_DAC
  568. * @retval None
  569. */
  570. __STATIC_INLINE void LL_LPTIM_SetInput1Src(LPTIM_TypeDef *LPTIMx, uint32_t Src)
  571. {
  572. MODIFY_REG(LPTIMx->OR, LPTIM_OR_OR, Src);
  573. }
  574. #endif /* LPTIM_OR_OR */
  575. /**
  576. * @}
  577. */
  578. /** @defgroup LPTIM_LL_EF_Trigger_Configuration Trigger Configuration
  579. * @{
  580. */
  581. /**
  582. * @brief Enable the timeout function
  583. * @note This function must be called when the LPTIM instance is disabled.
  584. * @note The first trigger event will start the timer, any successive trigger
  585. * event will reset the counter and the timer will restart.
  586. * @note The timeout value corresponds to the compare value; if no trigger
  587. * occurs within the expected time frame, the MCU is waked-up by the
  588. * compare match event.
  589. * @rmtoll CFGR TIMOUT LL_LPTIM_EnableTimeout
  590. * @param LPTIMx Low-Power Timer instance
  591. * @retval None
  592. */
  593. __STATIC_INLINE void LL_LPTIM_EnableTimeout(LPTIM_TypeDef *LPTIMx)
  594. {
  595. SET_BIT(LPTIMx->CFGR, LPTIM_CFGR_TIMOUT);
  596. }
  597. /**
  598. * @brief Disable the timeout function
  599. * @note This function must be called when the LPTIM instance is disabled.
  600. * @note A trigger event arriving when the timer is already started will be
  601. * ignored.
  602. * @rmtoll CFGR TIMOUT LL_LPTIM_DisableTimeout
  603. * @param LPTIMx Low-Power Timer instance
  604. * @retval None
  605. */
  606. __STATIC_INLINE void LL_LPTIM_DisableTimeout(LPTIM_TypeDef *LPTIMx)
  607. {
  608. CLEAR_BIT(LPTIMx->CFGR, LPTIM_CFGR_TIMOUT);
  609. }
  610. /**
  611. * @brief Indicate whether the timeout function is enabled.
  612. * @rmtoll CFGR TIMOUT LL_LPTIM_IsEnabledTimeout
  613. * @param LPTIMx Low-Power Timer instance
  614. * @retval State of bit (1 or 0).
  615. */
  616. __STATIC_INLINE uint32_t LL_LPTIM_IsEnabledTimeout(LPTIM_TypeDef *LPTIMx)
  617. {
  618. return (((READ_BIT(LPTIMx->CFGR, LPTIM_CFGR_TIMOUT) == LPTIM_CFGR_TIMOUT) ? 1UL : 0UL));
  619. }
  620. /**
  621. * @brief Start the LPTIM counter
  622. * @note This function must be called when the LPTIM instance is disabled.
  623. * @rmtoll CFGR TRIGEN LL_LPTIM_TrigSw
  624. * @param LPTIMx Low-Power Timer instance
  625. * @retval None
  626. */
  627. __STATIC_INLINE void LL_LPTIM_TrigSw(LPTIM_TypeDef *LPTIMx)
  628. {
  629. CLEAR_BIT(LPTIMx->CFGR, LPTIM_CFGR_TRIGEN);
  630. }
  631. /**
  632. * @brief Configure the external trigger used as a trigger event for the LPTIM.
  633. * @note This function must be called when the LPTIM instance is disabled.
  634. * @note An internal clock source must be present when a digital filter is
  635. * required for the trigger.
  636. * @rmtoll CFGR TRIGSEL LL_LPTIM_ConfigTrigger\n
  637. * CFGR TRGFLT LL_LPTIM_ConfigTrigger\n
  638. * CFGR TRIGEN LL_LPTIM_ConfigTrigger
  639. * @param LPTIMx Low-Power Timer instance
  640. * @param Source This parameter can be one of the following values:
  641. * @arg @ref LL_LPTIM_TRIG_SOURCE_GPIO
  642. * @arg @ref LL_LPTIM_TRIG_SOURCE_RTCALARMA
  643. * @arg @ref LL_LPTIM_TRIG_SOURCE_RTCALARMB
  644. * @arg @ref LL_LPTIM_TRIG_SOURCE_RTCTAMP1
  645. * @arg @ref LL_LPTIM_TRIG_SOURCE_TIM1_TRGO
  646. * @arg @ref LL_LPTIM_TRIG_SOURCE_TIM5_TRGO
  647. * @param Filter This parameter can be one of the following values:
  648. * @arg @ref LL_LPTIM_TRIG_FILTER_NONE
  649. * @arg @ref LL_LPTIM_TRIG_FILTER_2
  650. * @arg @ref LL_LPTIM_TRIG_FILTER_4
  651. * @arg @ref LL_LPTIM_TRIG_FILTER_8
  652. * @param Polarity This parameter can be one of the following values:
  653. * @arg @ref LL_LPTIM_TRIG_POLARITY_RISING
  654. * @arg @ref LL_LPTIM_TRIG_POLARITY_FALLING
  655. * @arg @ref LL_LPTIM_TRIG_POLARITY_RISING_FALLING
  656. * @retval None
  657. */
  658. __STATIC_INLINE void LL_LPTIM_ConfigTrigger(LPTIM_TypeDef *LPTIMx, uint32_t Source, uint32_t Filter, uint32_t Polarity)
  659. {
  660. MODIFY_REG(LPTIMx->CFGR, LPTIM_CFGR_TRIGSEL | LPTIM_CFGR_TRGFLT | LPTIM_CFGR_TRIGEN, Source | Filter | Polarity);
  661. }
  662. /**
  663. * @brief Get actual external trigger source.
  664. * @rmtoll CFGR TRIGSEL LL_LPTIM_GetTriggerSource
  665. * @param LPTIMx Low-Power Timer instance
  666. * @retval Returned value can be one of the following values:
  667. * @arg @ref LL_LPTIM_TRIG_SOURCE_GPIO
  668. * @arg @ref LL_LPTIM_TRIG_SOURCE_RTCALARMA
  669. * @arg @ref LL_LPTIM_TRIG_SOURCE_RTCALARMB
  670. * @arg @ref LL_LPTIM_TRIG_SOURCE_RTCTAMP1
  671. * @arg @ref LL_LPTIM_TRIG_SOURCE_TIM1_TRGO
  672. * @arg @ref LL_LPTIM_TRIG_SOURCE_TIM5_TRGO
  673. */
  674. __STATIC_INLINE uint32_t LL_LPTIM_GetTriggerSource(LPTIM_TypeDef *LPTIMx)
  675. {
  676. return (uint32_t)(READ_BIT(LPTIMx->CFGR, LPTIM_CFGR_TRIGSEL));
  677. }
  678. /**
  679. * @brief Get actual external trigger filter.
  680. * @rmtoll CFGR TRGFLT LL_LPTIM_GetTriggerFilter
  681. * @param LPTIMx Low-Power Timer instance
  682. * @retval Returned value can be one of the following values:
  683. * @arg @ref LL_LPTIM_TRIG_FILTER_NONE
  684. * @arg @ref LL_LPTIM_TRIG_FILTER_2
  685. * @arg @ref LL_LPTIM_TRIG_FILTER_4
  686. * @arg @ref LL_LPTIM_TRIG_FILTER_8
  687. */
  688. __STATIC_INLINE uint32_t LL_LPTIM_GetTriggerFilter(LPTIM_TypeDef *LPTIMx)
  689. {
  690. return (uint32_t)(READ_BIT(LPTIMx->CFGR, LPTIM_CFGR_TRGFLT));
  691. }
  692. /**
  693. * @brief Get actual external trigger polarity.
  694. * @rmtoll CFGR TRIGEN LL_LPTIM_GetTriggerPolarity
  695. * @param LPTIMx Low-Power Timer instance
  696. * @retval Returned value can be one of the following values:
  697. * @arg @ref LL_LPTIM_TRIG_POLARITY_RISING
  698. * @arg @ref LL_LPTIM_TRIG_POLARITY_FALLING
  699. * @arg @ref LL_LPTIM_TRIG_POLARITY_RISING_FALLING
  700. */
  701. __STATIC_INLINE uint32_t LL_LPTIM_GetTriggerPolarity(LPTIM_TypeDef *LPTIMx)
  702. {
  703. return (uint32_t)(READ_BIT(LPTIMx->CFGR, LPTIM_CFGR_TRIGEN));
  704. }
  705. /**
  706. * @}
  707. */
  708. /** @defgroup LPTIM_LL_EF_Clock_Configuration Clock Configuration
  709. * @{
  710. */
  711. /**
  712. * @brief Set the source of the clock used by the LPTIM instance.
  713. * @note This function must be called when the LPTIM instance is disabled.
  714. * @rmtoll CFGR CKSEL LL_LPTIM_SetClockSource
  715. * @param LPTIMx Low-Power Timer instance
  716. * @param ClockSource This parameter can be one of the following values:
  717. * @arg @ref LL_LPTIM_CLK_SOURCE_INTERNAL
  718. * @arg @ref LL_LPTIM_CLK_SOURCE_EXTERNAL
  719. * @retval None
  720. */
  721. __STATIC_INLINE void LL_LPTIM_SetClockSource(LPTIM_TypeDef *LPTIMx, uint32_t ClockSource)
  722. {
  723. MODIFY_REG(LPTIMx->CFGR, LPTIM_CFGR_CKSEL, ClockSource);
  724. }
  725. /**
  726. * @brief Get actual LPTIM instance clock source.
  727. * @rmtoll CFGR CKSEL LL_LPTIM_GetClockSource
  728. * @param LPTIMx Low-Power Timer instance
  729. * @retval Returned value can be one of the following values:
  730. * @arg @ref LL_LPTIM_CLK_SOURCE_INTERNAL
  731. * @arg @ref LL_LPTIM_CLK_SOURCE_EXTERNAL
  732. */
  733. __STATIC_INLINE uint32_t LL_LPTIM_GetClockSource(LPTIM_TypeDef *LPTIMx)
  734. {
  735. return (uint32_t)(READ_BIT(LPTIMx->CFGR, LPTIM_CFGR_CKSEL));
  736. }
  737. /**
  738. * @brief Configure the active edge or edges used by the counter when the LPTIM is clocked by an external clock source.
  739. * @note This function must be called when the LPTIM instance is disabled.
  740. * @note When both external clock signal edges are considered active ones,
  741. * the LPTIM must also be clocked by an internal clock source with a
  742. * frequency equal to at least four times the external clock frequency.
  743. * @note An internal clock source must be present when a digital filter is
  744. * required for external clock.
  745. * @rmtoll CFGR CKFLT LL_LPTIM_ConfigClock\n
  746. * CFGR CKPOL LL_LPTIM_ConfigClock
  747. * @param LPTIMx Low-Power Timer instance
  748. * @param ClockFilter This parameter can be one of the following values:
  749. * @arg @ref LL_LPTIM_CLK_FILTER_NONE
  750. * @arg @ref LL_LPTIM_CLK_FILTER_2
  751. * @arg @ref LL_LPTIM_CLK_FILTER_4
  752. * @arg @ref LL_LPTIM_CLK_FILTER_8
  753. * @param ClockPolarity This parameter can be one of the following values:
  754. * @arg @ref LL_LPTIM_CLK_POLARITY_RISING
  755. * @arg @ref LL_LPTIM_CLK_POLARITY_FALLING
  756. * @arg @ref LL_LPTIM_CLK_POLARITY_RISING_FALLING
  757. * @retval None
  758. */
  759. __STATIC_INLINE void LL_LPTIM_ConfigClock(LPTIM_TypeDef *LPTIMx, uint32_t ClockFilter, uint32_t ClockPolarity)
  760. {
  761. MODIFY_REG(LPTIMx->CFGR, LPTIM_CFGR_CKFLT | LPTIM_CFGR_CKPOL, ClockFilter | ClockPolarity);
  762. }
  763. /**
  764. * @brief Get actual clock polarity
  765. * @rmtoll CFGR CKPOL LL_LPTIM_GetClockPolarity
  766. * @param LPTIMx Low-Power Timer instance
  767. * @retval Returned value can be one of the following values:
  768. * @arg @ref LL_LPTIM_CLK_POLARITY_RISING
  769. * @arg @ref LL_LPTIM_CLK_POLARITY_FALLING
  770. * @arg @ref LL_LPTIM_CLK_POLARITY_RISING_FALLING
  771. */
  772. __STATIC_INLINE uint32_t LL_LPTIM_GetClockPolarity(LPTIM_TypeDef *LPTIMx)
  773. {
  774. return (uint32_t)(READ_BIT(LPTIMx->CFGR, LPTIM_CFGR_CKPOL));
  775. }
  776. /**
  777. * @brief Get actual clock digital filter
  778. * @rmtoll CFGR CKFLT LL_LPTIM_GetClockFilter
  779. * @param LPTIMx Low-Power Timer instance
  780. * @retval Returned value can be one of the following values:
  781. * @arg @ref LL_LPTIM_CLK_FILTER_NONE
  782. * @arg @ref LL_LPTIM_CLK_FILTER_2
  783. * @arg @ref LL_LPTIM_CLK_FILTER_4
  784. * @arg @ref LL_LPTIM_CLK_FILTER_8
  785. */
  786. __STATIC_INLINE uint32_t LL_LPTIM_GetClockFilter(LPTIM_TypeDef *LPTIMx)
  787. {
  788. return (uint32_t)(READ_BIT(LPTIMx->CFGR, LPTIM_CFGR_CKFLT));
  789. }
  790. /**
  791. * @}
  792. */
  793. /** @defgroup LPTIM_LL_EF_Encoder_Mode Encoder Mode
  794. * @{
  795. */
  796. /**
  797. * @brief Configure the encoder mode.
  798. * @note This function must be called when the LPTIM instance is disabled.
  799. * @rmtoll CFGR CKPOL LL_LPTIM_SetEncoderMode
  800. * @param LPTIMx Low-Power Timer instance
  801. * @param EncoderMode This parameter can be one of the following values:
  802. * @arg @ref LL_LPTIM_ENCODER_MODE_RISING
  803. * @arg @ref LL_LPTIM_ENCODER_MODE_FALLING
  804. * @arg @ref LL_LPTIM_ENCODER_MODE_RISING_FALLING
  805. * @retval None
  806. */
  807. __STATIC_INLINE void LL_LPTIM_SetEncoderMode(LPTIM_TypeDef *LPTIMx, uint32_t EncoderMode)
  808. {
  809. MODIFY_REG(LPTIMx->CFGR, LPTIM_CFGR_CKPOL, EncoderMode);
  810. }
  811. /**
  812. * @brief Get actual encoder mode.
  813. * @rmtoll CFGR CKPOL LL_LPTIM_GetEncoderMode
  814. * @param LPTIMx Low-Power Timer instance
  815. * @retval Returned value can be one of the following values:
  816. * @arg @ref LL_LPTIM_ENCODER_MODE_RISING
  817. * @arg @ref LL_LPTIM_ENCODER_MODE_FALLING
  818. * @arg @ref LL_LPTIM_ENCODER_MODE_RISING_FALLING
  819. */
  820. __STATIC_INLINE uint32_t LL_LPTIM_GetEncoderMode(LPTIM_TypeDef *LPTIMx)
  821. {
  822. return (uint32_t)(READ_BIT(LPTIMx->CFGR, LPTIM_CFGR_CKPOL));
  823. }
  824. /**
  825. * @brief Enable the encoder mode
  826. * @note This function must be called when the LPTIM instance is disabled.
  827. * @note In this mode the LPTIM instance must be clocked by an internal clock
  828. * source. Also, the prescaler division ratio must be equal to 1.
  829. * @note LPTIM instance must be configured in continuous mode prior enabling
  830. * the encoder mode.
  831. * @rmtoll CFGR ENC LL_LPTIM_EnableEncoderMode
  832. * @param LPTIMx Low-Power Timer instance
  833. * @retval None
  834. */
  835. __STATIC_INLINE void LL_LPTIM_EnableEncoderMode(LPTIM_TypeDef *LPTIMx)
  836. {
  837. SET_BIT(LPTIMx->CFGR, LPTIM_CFGR_ENC);
  838. }
  839. /**
  840. * @brief Disable the encoder mode
  841. * @note This function must be called when the LPTIM instance is disabled.
  842. * @rmtoll CFGR ENC LL_LPTIM_DisableEncoderMode
  843. * @param LPTIMx Low-Power Timer instance
  844. * @retval None
  845. */
  846. __STATIC_INLINE void LL_LPTIM_DisableEncoderMode(LPTIM_TypeDef *LPTIMx)
  847. {
  848. CLEAR_BIT(LPTIMx->CFGR, LPTIM_CFGR_ENC);
  849. }
  850. /**
  851. * @brief Indicates whether the LPTIM operates in encoder mode.
  852. * @rmtoll CFGR ENC LL_LPTIM_IsEnabledEncoderMode
  853. * @param LPTIMx Low-Power Timer instance
  854. * @retval State of bit (1 or 0).
  855. */
  856. __STATIC_INLINE uint32_t LL_LPTIM_IsEnabledEncoderMode(LPTIM_TypeDef *LPTIMx)
  857. {
  858. return (((READ_BIT(LPTIMx->CFGR, LPTIM_CFGR_ENC) == LPTIM_CFGR_ENC) ? 1UL : 0UL));
  859. }
  860. /**
  861. * @}
  862. */
  863. /** @defgroup LPTIM_LL_EF_FLAG_Management FLAG Management
  864. * @{
  865. */
  866. /**
  867. * @brief Clear the compare match flag (CMPMCF)
  868. * @rmtoll ICR CMPMCF LL_LPTIM_ClearFLAG_CMPM
  869. * @param LPTIMx Low-Power Timer instance
  870. * @retval None
  871. */
  872. __STATIC_INLINE void LL_LPTIM_ClearFLAG_CMPM(LPTIM_TypeDef *LPTIMx)
  873. {
  874. SET_BIT(LPTIMx->ICR, LPTIM_ICR_CMPMCF);
  875. }
  876. /**
  877. * @brief Inform application whether a compare match interrupt has occurred.
  878. * @rmtoll ISR CMPM LL_LPTIM_IsActiveFlag_CMPM
  879. * @param LPTIMx Low-Power Timer instance
  880. * @retval State of bit (1 or 0).
  881. */
  882. __STATIC_INLINE uint32_t LL_LPTIM_IsActiveFlag_CMPM(LPTIM_TypeDef *LPTIMx)
  883. {
  884. return (((READ_BIT(LPTIMx->ISR, LPTIM_ISR_CMPM) == LPTIM_ISR_CMPM) ? 1UL : 0UL));
  885. }
  886. /**
  887. * @brief Clear the autoreload match flag (ARRMCF)
  888. * @rmtoll ICR ARRMCF LL_LPTIM_ClearFLAG_ARRM
  889. * @param LPTIMx Low-Power Timer instance
  890. * @retval None
  891. */
  892. __STATIC_INLINE void LL_LPTIM_ClearFLAG_ARRM(LPTIM_TypeDef *LPTIMx)
  893. {
  894. SET_BIT(LPTIMx->ICR, LPTIM_ICR_ARRMCF);
  895. }
  896. /**
  897. * @brief Inform application whether a autoreload match interrupt has occurred.
  898. * @rmtoll ISR ARRM LL_LPTIM_IsActiveFlag_ARRM
  899. * @param LPTIMx Low-Power Timer instance
  900. * @retval State of bit (1 or 0).
  901. */
  902. __STATIC_INLINE uint32_t LL_LPTIM_IsActiveFlag_ARRM(LPTIM_TypeDef *LPTIMx)
  903. {
  904. return (((READ_BIT(LPTIMx->ISR, LPTIM_ISR_ARRM) == LPTIM_ISR_ARRM) ? 1UL : 0UL));
  905. }
  906. /**
  907. * @brief Clear the external trigger valid edge flag(EXTTRIGCF).
  908. * @rmtoll ICR EXTTRIGCF LL_LPTIM_ClearFlag_EXTTRIG
  909. * @param LPTIMx Low-Power Timer instance
  910. * @retval None
  911. */
  912. __STATIC_INLINE void LL_LPTIM_ClearFlag_EXTTRIG(LPTIM_TypeDef *LPTIMx)
  913. {
  914. SET_BIT(LPTIMx->ICR, LPTIM_ICR_EXTTRIGCF);
  915. }
  916. /**
  917. * @brief Inform application whether a valid edge on the selected external trigger input has occurred.
  918. * @rmtoll ISR EXTTRIG LL_LPTIM_IsActiveFlag_EXTTRIG
  919. * @param LPTIMx Low-Power Timer instance
  920. * @retval State of bit (1 or 0).
  921. */
  922. __STATIC_INLINE uint32_t LL_LPTIM_IsActiveFlag_EXTTRIG(LPTIM_TypeDef *LPTIMx)
  923. {
  924. return (((READ_BIT(LPTIMx->ISR, LPTIM_ISR_EXTTRIG) == LPTIM_ISR_EXTTRIG) ? 1UL : 0UL));
  925. }
  926. /**
  927. * @brief Clear the compare register update interrupt flag (CMPOKCF).
  928. * @rmtoll ICR CMPOKCF LL_LPTIM_ClearFlag_CMPOK
  929. * @param LPTIMx Low-Power Timer instance
  930. * @retval None
  931. */
  932. __STATIC_INLINE void LL_LPTIM_ClearFlag_CMPOK(LPTIM_TypeDef *LPTIMx)
  933. {
  934. SET_BIT(LPTIMx->ICR, LPTIM_ICR_CMPOKCF);
  935. }
  936. /**
  937. * @brief Informs application whether the APB bus write operation to the LPTIMx_CMP register has been successfully completed. If so, a new one can be initiated.
  938. * @rmtoll ISR CMPOK LL_LPTIM_IsActiveFlag_CMPOK
  939. * @param LPTIMx Low-Power Timer instance
  940. * @retval State of bit (1 or 0).
  941. */
  942. __STATIC_INLINE uint32_t LL_LPTIM_IsActiveFlag_CMPOK(LPTIM_TypeDef *LPTIMx)
  943. {
  944. return (((READ_BIT(LPTIMx->ISR, LPTIM_ISR_CMPOK) == LPTIM_ISR_CMPOK) ? 1UL : 0UL));
  945. }
  946. /**
  947. * @brief Clear the autoreload register update interrupt flag (ARROKCF).
  948. * @rmtoll ICR ARROKCF LL_LPTIM_ClearFlag_ARROK
  949. * @param LPTIMx Low-Power Timer instance
  950. * @retval None
  951. */
  952. __STATIC_INLINE void LL_LPTIM_ClearFlag_ARROK(LPTIM_TypeDef *LPTIMx)
  953. {
  954. SET_BIT(LPTIMx->ICR, LPTIM_ICR_ARROKCF);
  955. }
  956. /**
  957. * @brief Informs application whether the APB bus write operation to the LPTIMx_ARR register has been successfully completed. If so, a new one can be initiated.
  958. * @rmtoll ISR ARROK LL_LPTIM_IsActiveFlag_ARROK
  959. * @param LPTIMx Low-Power Timer instance
  960. * @retval State of bit (1 or 0).
  961. */
  962. __STATIC_INLINE uint32_t LL_LPTIM_IsActiveFlag_ARROK(LPTIM_TypeDef *LPTIMx)
  963. {
  964. return (((READ_BIT(LPTIMx->ISR, LPTIM_ISR_ARROK) == LPTIM_ISR_ARROK) ? 1UL : 0UL));
  965. }
  966. /**
  967. * @brief Clear the counter direction change to up interrupt flag (UPCF).
  968. * @rmtoll ICR UPCF LL_LPTIM_ClearFlag_UP
  969. * @param LPTIMx Low-Power Timer instance
  970. * @retval None
  971. */
  972. __STATIC_INLINE void LL_LPTIM_ClearFlag_UP(LPTIM_TypeDef *LPTIMx)
  973. {
  974. SET_BIT(LPTIMx->ICR, LPTIM_ICR_UPCF);
  975. }
  976. /**
  977. * @brief Informs the application whether the counter direction has changed from down to up (when the LPTIM instance operates in encoder mode).
  978. * @rmtoll ISR UP LL_LPTIM_IsActiveFlag_UP
  979. * @param LPTIMx Low-Power Timer instance
  980. * @retval State of bit (1 or 0).
  981. */
  982. __STATIC_INLINE uint32_t LL_LPTIM_IsActiveFlag_UP(LPTIM_TypeDef *LPTIMx)
  983. {
  984. return (((READ_BIT(LPTIMx->ISR, LPTIM_ISR_UP) == LPTIM_ISR_UP) ? 1UL : 0UL));
  985. }
  986. /**
  987. * @brief Clear the counter direction change to down interrupt flag (DOWNCF).
  988. * @rmtoll ICR DOWNCF LL_LPTIM_ClearFlag_DOWN
  989. * @param LPTIMx Low-Power Timer instance
  990. * @retval None
  991. */
  992. __STATIC_INLINE void LL_LPTIM_ClearFlag_DOWN(LPTIM_TypeDef *LPTIMx)
  993. {
  994. SET_BIT(LPTIMx->ICR, LPTIM_ICR_DOWNCF);
  995. }
  996. /**
  997. * @brief Informs the application whether the counter direction has changed from up to down (when the LPTIM instance operates in encoder mode).
  998. * @rmtoll ISR DOWN LL_LPTIM_IsActiveFlag_DOWN
  999. * @param LPTIMx Low-Power Timer instance
  1000. * @retval State of bit (1 or 0).
  1001. */
  1002. __STATIC_INLINE uint32_t LL_LPTIM_IsActiveFlag_DOWN(LPTIM_TypeDef *LPTIMx)
  1003. {
  1004. return (((READ_BIT(LPTIMx->ISR, LPTIM_ISR_DOWN) == LPTIM_ISR_DOWN) ? 1UL : 0UL));
  1005. }
  1006. /**
  1007. * @}
  1008. */
  1009. /** @defgroup LPTIM_LL_EF_IT_Management Interrupt Management
  1010. * @{
  1011. */
  1012. /**
  1013. * @brief Enable compare match interrupt (CMPMIE).
  1014. * @rmtoll IER CMPMIE LL_LPTIM_EnableIT_CMPM
  1015. * @param LPTIMx Low-Power Timer instance
  1016. * @retval None
  1017. */
  1018. __STATIC_INLINE void LL_LPTIM_EnableIT_CMPM(LPTIM_TypeDef *LPTIMx)
  1019. {
  1020. SET_BIT(LPTIMx->IER, LPTIM_IER_CMPMIE);
  1021. }
  1022. /**
  1023. * @brief Disable compare match interrupt (CMPMIE).
  1024. * @rmtoll IER CMPMIE LL_LPTIM_DisableIT_CMPM
  1025. * @param LPTIMx Low-Power Timer instance
  1026. * @retval None
  1027. */
  1028. __STATIC_INLINE void LL_LPTIM_DisableIT_CMPM(LPTIM_TypeDef *LPTIMx)
  1029. {
  1030. CLEAR_BIT(LPTIMx->IER, LPTIM_IER_CMPMIE);
  1031. }
  1032. /**
  1033. * @brief Indicates whether the compare match interrupt (CMPMIE) is enabled.
  1034. * @rmtoll IER CMPMIE LL_LPTIM_IsEnabledIT_CMPM
  1035. * @param LPTIMx Low-Power Timer instance
  1036. * @retval State of bit (1 or 0).
  1037. */
  1038. __STATIC_INLINE uint32_t LL_LPTIM_IsEnabledIT_CMPM(LPTIM_TypeDef *LPTIMx)
  1039. {
  1040. return (((READ_BIT(LPTIMx->IER, LPTIM_IER_CMPMIE) == LPTIM_IER_CMPMIE) ? 1UL : 0UL));
  1041. }
  1042. /**
  1043. * @brief Enable autoreload match interrupt (ARRMIE).
  1044. * @rmtoll IER ARRMIE LL_LPTIM_EnableIT_ARRM
  1045. * @param LPTIMx Low-Power Timer instance
  1046. * @retval None
  1047. */
  1048. __STATIC_INLINE void LL_LPTIM_EnableIT_ARRM(LPTIM_TypeDef *LPTIMx)
  1049. {
  1050. SET_BIT(LPTIMx->IER, LPTIM_IER_ARRMIE);
  1051. }
  1052. /**
  1053. * @brief Disable autoreload match interrupt (ARRMIE).
  1054. * @rmtoll IER ARRMIE LL_LPTIM_DisableIT_ARRM
  1055. * @param LPTIMx Low-Power Timer instance
  1056. * @retval None
  1057. */
  1058. __STATIC_INLINE void LL_LPTIM_DisableIT_ARRM(LPTIM_TypeDef *LPTIMx)
  1059. {
  1060. CLEAR_BIT(LPTIMx->IER, LPTIM_IER_ARRMIE);
  1061. }
  1062. /**
  1063. * @brief Indicates whether the autoreload match interrupt (ARRMIE) is enabled.
  1064. * @rmtoll IER ARRMIE LL_LPTIM_IsEnabledIT_ARRM
  1065. * @param LPTIMx Low-Power Timer instance
  1066. * @retval State of bit (1 or 0).
  1067. */
  1068. __STATIC_INLINE uint32_t LL_LPTIM_IsEnabledIT_ARRM(LPTIM_TypeDef *LPTIMx)
  1069. {
  1070. return (((READ_BIT(LPTIMx->IER, LPTIM_IER_ARRMIE) == LPTIM_IER_ARRMIE) ? 1UL : 0UL));
  1071. }
  1072. /**
  1073. * @brief Enable external trigger valid edge interrupt (EXTTRIGIE).
  1074. * @rmtoll IER EXTTRIGIE LL_LPTIM_EnableIT_EXTTRIG
  1075. * @param LPTIMx Low-Power Timer instance
  1076. * @retval None
  1077. */
  1078. __STATIC_INLINE void LL_LPTIM_EnableIT_EXTTRIG(LPTIM_TypeDef *LPTIMx)
  1079. {
  1080. SET_BIT(LPTIMx->IER, LPTIM_IER_EXTTRIGIE);
  1081. }
  1082. /**
  1083. * @brief Disable external trigger valid edge interrupt (EXTTRIGIE).
  1084. * @rmtoll IER EXTTRIGIE LL_LPTIM_DisableIT_EXTTRIG
  1085. * @param LPTIMx Low-Power Timer instance
  1086. * @retval None
  1087. */
  1088. __STATIC_INLINE void LL_LPTIM_DisableIT_EXTTRIG(LPTIM_TypeDef *LPTIMx)
  1089. {
  1090. CLEAR_BIT(LPTIMx->IER, LPTIM_IER_EXTTRIGIE);
  1091. }
  1092. /**
  1093. * @brief Indicates external trigger valid edge interrupt (EXTTRIGIE) is enabled.
  1094. * @rmtoll IER EXTTRIGIE LL_LPTIM_IsEnabledIT_EXTTRIG
  1095. * @param LPTIMx Low-Power Timer instance
  1096. * @retval State of bit (1 or 0).
  1097. */
  1098. __STATIC_INLINE uint32_t LL_LPTIM_IsEnabledIT_EXTTRIG(LPTIM_TypeDef *LPTIMx)
  1099. {
  1100. return (((READ_BIT(LPTIMx->IER, LPTIM_IER_EXTTRIGIE) == LPTIM_IER_EXTTRIGIE) ? 1UL : 0UL));
  1101. }
  1102. /**
  1103. * @brief Enable compare register write completed interrupt (CMPOKIE).
  1104. * @rmtoll IER CMPOKIE LL_LPTIM_EnableIT_CMPOK
  1105. * @param LPTIMx Low-Power Timer instance
  1106. * @retval None
  1107. */
  1108. __STATIC_INLINE void LL_LPTIM_EnableIT_CMPOK(LPTIM_TypeDef *LPTIMx)
  1109. {
  1110. SET_BIT(LPTIMx->IER, LPTIM_IER_CMPOKIE);
  1111. }
  1112. /**
  1113. * @brief Disable compare register write completed interrupt (CMPOKIE).
  1114. * @rmtoll IER CMPOKIE LL_LPTIM_DisableIT_CMPOK
  1115. * @param LPTIMx Low-Power Timer instance
  1116. * @retval None
  1117. */
  1118. __STATIC_INLINE void LL_LPTIM_DisableIT_CMPOK(LPTIM_TypeDef *LPTIMx)
  1119. {
  1120. CLEAR_BIT(LPTIMx->IER, LPTIM_IER_CMPOKIE);
  1121. }
  1122. /**
  1123. * @brief Indicates whether the compare register write completed interrupt (CMPOKIE) is enabled.
  1124. * @rmtoll IER CMPOKIE LL_LPTIM_IsEnabledIT_CMPOK
  1125. * @param LPTIMx Low-Power Timer instance
  1126. * @retval State of bit (1 or 0).
  1127. */
  1128. __STATIC_INLINE uint32_t LL_LPTIM_IsEnabledIT_CMPOK(LPTIM_TypeDef *LPTIMx)
  1129. {
  1130. return (((READ_BIT(LPTIMx->IER, LPTIM_IER_CMPOKIE) == LPTIM_IER_CMPOKIE) ? 1UL : 0UL));
  1131. }
  1132. /**
  1133. * @brief Enable autoreload register write completed interrupt (ARROKIE).
  1134. * @rmtoll IER ARROKIE LL_LPTIM_EnableIT_ARROK
  1135. * @param LPTIMx Low-Power Timer instance
  1136. * @retval None
  1137. */
  1138. __STATIC_INLINE void LL_LPTIM_EnableIT_ARROK(LPTIM_TypeDef *LPTIMx)
  1139. {
  1140. SET_BIT(LPTIMx->IER, LPTIM_IER_ARROKIE);
  1141. }
  1142. /**
  1143. * @brief Disable autoreload register write completed interrupt (ARROKIE).
  1144. * @rmtoll IER ARROKIE LL_LPTIM_DisableIT_ARROK
  1145. * @param LPTIMx Low-Power Timer instance
  1146. * @retval None
  1147. */
  1148. __STATIC_INLINE void LL_LPTIM_DisableIT_ARROK(LPTIM_TypeDef *LPTIMx)
  1149. {
  1150. CLEAR_BIT(LPTIMx->IER, LPTIM_IER_ARROKIE);
  1151. }
  1152. /**
  1153. * @brief Indicates whether the autoreload register write completed interrupt (ARROKIE) is enabled.
  1154. * @rmtoll IER ARROKIE LL_LPTIM_IsEnabledIT_ARROK
  1155. * @param LPTIMx Low-Power Timer instance
  1156. * @retval State of bit(1 or 0).
  1157. */
  1158. __STATIC_INLINE uint32_t LL_LPTIM_IsEnabledIT_ARROK(LPTIM_TypeDef *LPTIMx)
  1159. {
  1160. return (((READ_BIT(LPTIMx->IER, LPTIM_IER_ARROKIE) == LPTIM_IER_ARROKIE) ? 1UL : 0UL));
  1161. }
  1162. /**
  1163. * @brief Enable direction change to up interrupt (UPIE).
  1164. * @rmtoll IER UPIE LL_LPTIM_EnableIT_UP
  1165. * @param LPTIMx Low-Power Timer instance
  1166. * @retval None
  1167. */
  1168. __STATIC_INLINE void LL_LPTIM_EnableIT_UP(LPTIM_TypeDef *LPTIMx)
  1169. {
  1170. SET_BIT(LPTIMx->IER, LPTIM_IER_UPIE);
  1171. }
  1172. /**
  1173. * @brief Disable direction change to up interrupt (UPIE).
  1174. * @rmtoll IER UPIE LL_LPTIM_DisableIT_UP
  1175. * @param LPTIMx Low-Power Timer instance
  1176. * @retval None
  1177. */
  1178. __STATIC_INLINE void LL_LPTIM_DisableIT_UP(LPTIM_TypeDef *LPTIMx)
  1179. {
  1180. CLEAR_BIT(LPTIMx->IER, LPTIM_IER_UPIE);
  1181. }
  1182. /**
  1183. * @brief Indicates whether the direction change to up interrupt (UPIE) is enabled.
  1184. * @rmtoll IER UPIE LL_LPTIM_IsEnabledIT_UP
  1185. * @param LPTIMx Low-Power Timer instance
  1186. * @retval State of bit(1 or 0).
  1187. */
  1188. __STATIC_INLINE uint32_t LL_LPTIM_IsEnabledIT_UP(LPTIM_TypeDef *LPTIMx)
  1189. {
  1190. return (((READ_BIT(LPTIMx->IER, LPTIM_IER_UPIE) == LPTIM_IER_UPIE) ? 1UL : 0UL));
  1191. }
  1192. /**
  1193. * @brief Enable direction change to down interrupt (DOWNIE).
  1194. * @rmtoll IER DOWNIE LL_LPTIM_EnableIT_DOWN
  1195. * @param LPTIMx Low-Power Timer instance
  1196. * @retval None
  1197. */
  1198. __STATIC_INLINE void LL_LPTIM_EnableIT_DOWN(LPTIM_TypeDef *LPTIMx)
  1199. {
  1200. SET_BIT(LPTIMx->IER, LPTIM_IER_DOWNIE);
  1201. }
  1202. /**
  1203. * @brief Disable direction change to down interrupt (DOWNIE).
  1204. * @rmtoll IER DOWNIE LL_LPTIM_DisableIT_DOWN
  1205. * @param LPTIMx Low-Power Timer instance
  1206. * @retval None
  1207. */
  1208. __STATIC_INLINE void LL_LPTIM_DisableIT_DOWN(LPTIM_TypeDef *LPTIMx)
  1209. {
  1210. CLEAR_BIT(LPTIMx->IER, LPTIM_IER_DOWNIE);
  1211. }
  1212. /**
  1213. * @brief Indicates whether the direction change to down interrupt (DOWNIE) is enabled.
  1214. * @rmtoll IER DOWNIE LL_LPTIM_IsEnabledIT_DOWN
  1215. * @param LPTIMx Low-Power Timer instance
  1216. * @retval State of bit(1 or 0).
  1217. */
  1218. __STATIC_INLINE uint32_t LL_LPTIM_IsEnabledIT_DOWN(LPTIM_TypeDef *LPTIMx)
  1219. {
  1220. return ((READ_BIT(LPTIMx->IER, LPTIM_IER_DOWNIE) == LPTIM_IER_DOWNIE) ? 1UL : 0UL);
  1221. }
  1222. /**
  1223. * @}
  1224. */
  1225. /**
  1226. * @}
  1227. */
  1228. /**
  1229. * @}
  1230. */
  1231. #endif /* LPTIM1 */
  1232. /**
  1233. * @}
  1234. */
  1235. #ifdef __cplusplus
  1236. }
  1237. #endif
  1238. #endif /* STM32F4xx_LL_LPTIM_H */
  1239. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/