1 /**************************************************************************//**
2 * @file timer.h
3 * @version V3.00
4 * @brief Timer Controller(Timer) driver header file
5 *
6 * @copyright SPDX-License-Identifier: Apache-2.0
7 * @copyright Copyright (C) 2017-2020 Nuvoton Technology Corp. All rights reserved.
8 *****************************************************************************/
9 #ifndef __TIMER_H__
10 #define __TIMER_H__
11
12 #ifdef __cplusplus
13 extern "C"
14 {
15 #endif
16
17
18 /** @addtogroup Standard_Driver Standard Driver
19 @{
20 */
21
22 /** @addtogroup TIMER_Driver TIMER Driver
23 @{
24 */
25
26 /** @addtogroup TIMER_EXPORTED_CONSTANTS TIMER Exported Constants
27 @{
28 */
29 /*---------------------------------------------------------------------------------------------------------*/
30 /* TIMER Operation Mode, External Counter and Capture Mode Constant Definitions */
31 /*---------------------------------------------------------------------------------------------------------*/
32 #define TIMER_ONESHOT_MODE (0UL << TIMER_CTL_OPMODE_Pos) /*!< Timer working in one-shot mode \hideinitializer */
33 #define TIMER_PERIODIC_MODE (1UL << TIMER_CTL_OPMODE_Pos) /*!< Timer working in periodic mode \hideinitializer */
34 #define TIMER_TOGGLE_MODE (2UL << TIMER_CTL_OPMODE_Pos) /*!< Timer working in toggle-output mode \hideinitializer */
35 #define TIMER_CONTINUOUS_MODE (3UL << TIMER_CTL_OPMODE_Pos) /*!< Timer working in continuous counting mode \hideinitializer */
36 #define TIMER_TOUT_PIN_FROM_TMX (0UL << TIMER_CTL_TGLPINSEL_Pos) /*!< Timer toggle-output pin is from TMx pin \hideinitializer */
37 #define TIMER_TOUT_PIN_FROM_TMX_EXT (1UL << TIMER_CTL_TGLPINSEL_Pos) /*!< Timer toggle-output pin is from TMx_EXT pin \hideinitializer */
38
39 #define TIMER_COUNTER_EVENT_FALLING (0UL << TIMER_EXTCTL_CNTPHASE_Pos) /*!< Counter increase on falling edge detection \hideinitializer */
40 #define TIMER_COUNTER_EVENT_RISING (1UL << TIMER_EXTCTL_CNTPHASE_Pos) /*!< Counter increase on rising edge detection \hideinitializer */
41 #define TIMER_CAPTURE_FREE_COUNTING_MODE (0UL << TIMER_EXTCTL_CAPFUNCS_Pos) /*!< Timer capture event to get timer counter value \hideinitializer */
42 #define TIMER_CAPTURE_COUNTER_RESET_MODE (1UL << TIMER_EXTCTL_CAPFUNCS_Pos) /*!< Timer capture event to reset timer counter \hideinitializer */
43
44 #define TIMER_CAPTURE_EVENT_FALLING (0UL << TIMER_EXTCTL_CAPEDGE_Pos) /*!< Falling edge detection to trigger capture event \hideinitializer */
45 #define TIMER_CAPTURE_EVENT_RISING (1UL << TIMER_EXTCTL_CAPEDGE_Pos) /*!< Rising edge detection to trigger capture event \hideinitializer */
46 #define TIMER_CAPTURE_EVENT_FALLING_RISING (2UL << TIMER_EXTCTL_CAPEDGE_Pos) /*!< Both falling and rising edge detection to trigger capture event, and first event at falling edge \hideinitializer */
47 #define TIMER_CAPTURE_EVENT_RISING_FALLING (3UL << TIMER_EXTCTL_CAPEDGE_Pos) /*!< Both rising and falling edge detection to trigger capture event, and first event at rising edge \hideinitializer */
48 #define TIMER_CAPTURE_EVENT_GET_LOW_PERIOD (6UL << TIMER_EXTCTL_CAPEDGE_Pos) /*!< First capture event is at falling edge, follows are at at rising edge \hideinitializer */
49 #define TIMER_CAPTURE_EVENT_GET_HIGH_PERIOD (7UL << TIMER_EXTCTL_CAPEDGE_Pos) /*!< First capture event is at rising edge, follows are at at falling edge \hideinitializer */
50
51 #define TIMER_TRGSRC_TIMEOUT_EVENT (0UL << TIMER_TRGCTL_TRGSSEL_Pos) /*!< Select internal trigger source from timer time-out event \hideinitializer */
52 #define TIMER_TRGSRC_CAPTURE_EVENT (1UL << TIMER_TRGCTL_TRGSSEL_Pos) /*!< Select internal trigger source from timer capture event \hideinitializer */
53 #define TIMER_TRG_TO_EPWM (TIMER_TRGCTL_TRGEPWM_Msk) /*!< Each timer event as EPWM counter clock source \hideinitializer */
54 #define TIMER_TRG_TO_EADC (TIMER_TRGCTL_TRGEADC_Msk) /*!< Each timer event to start ADC conversion \hideinitializer */
55 #define TIMER_TRG_TO_DAC (TIMER_TRGCTL_TRGDAC_Msk) /*!< Each timer event to start DAC conversion \hideinitializer */
56 #define TIMER_TRG_TO_PDMA (TIMER_TRGCTL_TRGPDMA_Msk) /*!< Each timer event to trigger PDMA transfer \hideinitializer */
57
58 /*@}*/ /* end of group TIMER_EXPORTED_CONSTANTS */
59
60
61 /** @addtogroup TIMER_EXPORTED_FUNCTIONS TIMER Exported Functions
62 @{
63 */
64
65 /**
66 * @brief Set Timer Compared Value
67 *
68 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
69 * @param[in] u32Value Timer compare value. Valid values are between 2 to 0xFFFFFF.
70 *
71 * @return None
72 *
73 * @details This macro is used to set timer compared value to adjust timer time-out interval.
74 1. Never write 0x0 or 0x1 in this field, or the core will run into unknown state. \n
75 * 2. If update timer compared value in continuous counting mode, timer counter value will keep counting continuously. \n
76 * But if timer is operating at other modes, the timer up counter will restart counting and start from 0.
77 * \hideinitializer
78 */
79 #define TIMER_SET_CMP_VALUE(timer, u32Value) ((timer)->CMP = (u32Value))
80
81 /**
82 * @brief Set Timer Prescale Value
83 *
84 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
85 * @param[in] u32Value Timer prescale value. Valid values are between 0 to 0xFF.
86 *
87 * @return None
88 *
89 * @details This macro is used to set timer prescale value and timer source clock will be divided by (prescale + 1) \n
90 * before it is fed into timer.
91 * \hideinitializer
92 */
93 #define TIMER_SET_PRESCALE_VALUE(timer, u32Value) ((timer)->CTL = ((timer)->CTL & ~TIMER_CTL_PSC_Msk) | (u32Value))
94
95 /**
96 * @brief Check specify Timer Status
97 *
98 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
99 *
100 * @retval 0 Timer 24-bit up counter is inactive
101 * @retval 1 Timer 24-bit up counter is active
102 *
103 * @details This macro is used to check if specify Timer counter is inactive or active.
104 * \hideinitializer
105 */
106 #define TIMER_IS_ACTIVE(timer) (((timer)->CTL & TIMER_CTL_ACTSTS_Msk)? 1 : 0)
107
108 /**
109 * @brief Select Toggle-output Pin
110 *
111 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
112 * @param[in] u32ToutSel Toggle-output pin selection, valid values are:
113 * - \ref TIMER_TOUT_PIN_FROM_TMX
114 * - \ref TIMER_TOUT_PIN_FROM_TMX_EXT
115 *
116 * @return None
117 *
118 * @details This macro is used to select timer toggle-output pin is output on TMx or TMx_EXT pin.
119 * \hideinitializer
120 */
121 #define TIMER_SELECT_TOUT_PIN(timer, u32ToutSel) ((timer)->CTL = ((timer)->CTL & ~TIMER_CTL_TGLPINSEL_Msk) | (u32ToutSel))
122
123
124 /*---------------------------------------------------------------------------------------------------------*/
125 /* static inline functions */
126 /*---------------------------------------------------------------------------------------------------------*/
127 /* Declare these inline functions here to avoid MISRA C 2004 rule 8.1 error */
128 __STATIC_INLINE void TIMER_Start(TIMER_T *timer);
129 __STATIC_INLINE void TIMER_Stop(TIMER_T *timer);
130 __STATIC_INLINE void TIMER_EnableWakeup(TIMER_T *timer);
131 __STATIC_INLINE void TIMER_DisableWakeup(TIMER_T *timer);
132 __STATIC_INLINE void TIMER_StartCapture(TIMER_T *timer);
133 __STATIC_INLINE void TIMER_StopCapture(TIMER_T *timer);
134 __STATIC_INLINE void TIMER_EnableCaptureDebounce(TIMER_T *timer);
135 __STATIC_INLINE void TIMER_DisableCaptureDebounce(TIMER_T *timer);
136 __STATIC_INLINE void TIMER_EnableEventCounterDebounce(TIMER_T *timer);
137 __STATIC_INLINE void TIMER_DisableEventCounterDebounce(TIMER_T *timer);
138 __STATIC_INLINE void TIMER_EnableInt(TIMER_T *timer);
139 __STATIC_INLINE void TIMER_DisableInt(TIMER_T *timer);
140 __STATIC_INLINE void TIMER_EnableCaptureInt(TIMER_T *timer);
141 __STATIC_INLINE void TIMER_DisableCaptureInt(TIMER_T *timer);
142 __STATIC_INLINE uint32_t TIMER_GetIntFlag(TIMER_T *timer);
143 __STATIC_INLINE void TIMER_ClearIntFlag(TIMER_T *timer);
144 __STATIC_INLINE uint32_t TIMER_GetCaptureIntFlag(TIMER_T *timer);
145 __STATIC_INLINE void TIMER_ClearCaptureIntFlag(TIMER_T *timer);
146 __STATIC_INLINE uint32_t TIMER_GetWakeupFlag(TIMER_T *timer);
147 __STATIC_INLINE void TIMER_ClearWakeupFlag(TIMER_T *timer);
148 __STATIC_INLINE uint32_t TIMER_GetCaptureData(TIMER_T *timer);
149 __STATIC_INLINE uint32_t TIMER_GetCounter(TIMER_T *timer);
150 __STATIC_INLINE void TIMER_ResetCounter(TIMER_T *timer);
151
152
153 /**
154 * @brief Start Timer Counting
155 *
156 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
157 *
158 * @return None
159 *
160 * @details This function is used to start Timer counting.
161 */
TIMER_Start(TIMER_T * timer)162 __STATIC_INLINE void TIMER_Start(TIMER_T *timer)
163 {
164 timer->CTL |= TIMER_CTL_CNTEN_Msk;
165 }
166
167 /**
168 * @brief Stop Timer Counting
169 *
170 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
171 *
172 * @return None
173 *
174 * @details This function is used to stop/suspend Timer counting.
175 */
TIMER_Stop(TIMER_T * timer)176 __STATIC_INLINE void TIMER_Stop(TIMER_T *timer)
177 {
178 timer->CTL &= ~TIMER_CTL_CNTEN_Msk;
179 }
180
181 /**
182 * @brief Enable Timer Interrupt Wake-up Function
183 *
184 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
185 *
186 * @return None
187 *
188 * @details This function is used to enable the timer interrupt wake-up function and interrupt source could be time-out interrupt, \n
189 * counter event interrupt or capture trigger interrupt.
190 To wake the system from Power-down mode, timer clock source must be ether LXT or LIRC.
191 */
TIMER_EnableWakeup(TIMER_T * timer)192 __STATIC_INLINE void TIMER_EnableWakeup(TIMER_T *timer)
193 {
194 timer->CTL |= TIMER_CTL_WKEN_Msk;
195 }
196
197 /**
198 * @brief Disable Timer Wake-up Function
199 *
200 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
201 *
202 * @return None
203 *
204 * @details This function is used to disable the timer interrupt wake-up function.
205 */
TIMER_DisableWakeup(TIMER_T * timer)206 __STATIC_INLINE void TIMER_DisableWakeup(TIMER_T *timer)
207 {
208 timer->CTL &= ~TIMER_CTL_WKEN_Msk;
209 }
210
211 /**
212 * @brief Start Timer Capture Function
213 *
214 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
215 *
216 * @return None
217 *
218 * @details This function is used to start Timer capture function.
219 */
TIMER_StartCapture(TIMER_T * timer)220 __STATIC_INLINE void TIMER_StartCapture(TIMER_T *timer)
221 {
222 timer->EXTCTL |= TIMER_EXTCTL_CAPEN_Msk;
223 }
224
225 /**
226 * @brief Stop Timer Capture Function
227 *
228 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
229 *
230 * @return None
231 *
232 * @details This function is used to stop Timer capture function.
233 */
TIMER_StopCapture(TIMER_T * timer)234 __STATIC_INLINE void TIMER_StopCapture(TIMER_T *timer)
235 {
236 timer->EXTCTL &= ~TIMER_EXTCTL_CAPEN_Msk;
237 }
238
239 /**
240 * @brief Enable Capture Pin De-bounce
241 *
242 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
243 *
244 * @return None
245 *
246 * @details This function is used to enable the detect de-bounce function of capture pin.
247 */
TIMER_EnableCaptureDebounce(TIMER_T * timer)248 __STATIC_INLINE void TIMER_EnableCaptureDebounce(TIMER_T *timer)
249 {
250 timer->EXTCTL |= TIMER_EXTCTL_CAPDBEN_Msk;
251 }
252
253 /**
254 * @brief Disable Capture Pin De-bounce
255 *
256 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
257 *
258 * @return None
259 *
260 * @details This function is used to disable the detect de-bounce function of capture pin.
261 */
TIMER_DisableCaptureDebounce(TIMER_T * timer)262 __STATIC_INLINE void TIMER_DisableCaptureDebounce(TIMER_T *timer)
263 {
264 timer->EXTCTL &= ~TIMER_EXTCTL_CAPDBEN_Msk;
265 }
266
267 /**
268 * @brief Enable Counter Pin De-bounce
269 *
270 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
271 *
272 * @return None
273 *
274 * @details This function is used to enable the detect de-bounce function of counter pin.
275 */
TIMER_EnableEventCounterDebounce(TIMER_T * timer)276 __STATIC_INLINE void TIMER_EnableEventCounterDebounce(TIMER_T *timer)
277 {
278 timer->EXTCTL |= TIMER_EXTCTL_CNTDBEN_Msk;
279 }
280
281 /**
282 * @brief Disable Counter Pin De-bounce
283 *
284 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
285 *
286 * @return None
287 *
288 * @details This function is used to disable the detect de-bounce function of counter pin.
289 */
TIMER_DisableEventCounterDebounce(TIMER_T * timer)290 __STATIC_INLINE void TIMER_DisableEventCounterDebounce(TIMER_T *timer)
291 {
292 timer->EXTCTL &= ~TIMER_EXTCTL_CNTDBEN_Msk;
293 }
294
295 /**
296 * @brief Enable Timer Time-out Interrupt
297 *
298 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
299 *
300 * @return None
301 *
302 * @details This function is used to enable the timer time-out interrupt function.
303 */
TIMER_EnableInt(TIMER_T * timer)304 __STATIC_INLINE void TIMER_EnableInt(TIMER_T *timer)
305 {
306 timer->CTL |= TIMER_CTL_INTEN_Msk;
307 }
308
309 /**
310 * @brief Disable Timer Time-out Interrupt
311 *
312 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
313 *
314 * @return None
315 *
316 * @details This function is used to disable the timer time-out interrupt function.
317 */
TIMER_DisableInt(TIMER_T * timer)318 __STATIC_INLINE void TIMER_DisableInt(TIMER_T *timer)
319 {
320 timer->CTL &= ~TIMER_CTL_INTEN_Msk;
321 }
322
323 /**
324 * @brief Enable Capture Trigger Interrupt
325 *
326 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
327 *
328 * @return None
329 *
330 * @details This function is used to enable the timer capture trigger interrupt function.
331 */
TIMER_EnableCaptureInt(TIMER_T * timer)332 __STATIC_INLINE void TIMER_EnableCaptureInt(TIMER_T *timer)
333 {
334 timer->EXTCTL |= TIMER_EXTCTL_CAPIEN_Msk;
335 }
336
337 /**
338 * @brief Disable Capture Trigger Interrupt
339 *
340 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
341 *
342 * @return None
343 *
344 * @details This function is used to disable the timer capture trigger interrupt function.
345 */
TIMER_DisableCaptureInt(TIMER_T * timer)346 __STATIC_INLINE void TIMER_DisableCaptureInt(TIMER_T *timer)
347 {
348 timer->EXTCTL &= ~TIMER_EXTCTL_CAPIEN_Msk;
349 }
350
351 /**
352 * @brief Get Timer Time-out Interrupt Flag
353 *
354 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
355 *
356 * @retval 0 Timer time-out interrupt did not occur
357 * @retval 1 Timer time-out interrupt occurred
358 *
359 * @details This function indicates timer time-out interrupt occurred or not.
360 */
TIMER_GetIntFlag(TIMER_T * timer)361 __STATIC_INLINE uint32_t TIMER_GetIntFlag(TIMER_T *timer)
362 {
363 return ((timer->INTSTS & TIMER_INTSTS_TIF_Msk) ? 1UL : 0UL);
364 }
365
366 /**
367 * @brief Clear Timer Time-out Interrupt Flag
368 *
369 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
370 *
371 * @return None
372 *
373 * @details This function clears timer time-out interrupt flag to 0.
374 */
TIMER_ClearIntFlag(TIMER_T * timer)375 __STATIC_INLINE void TIMER_ClearIntFlag(TIMER_T *timer)
376 {
377 timer->INTSTS = TIMER_INTSTS_TIF_Msk;
378 }
379
380 /**
381 * @brief Get Timer Capture Interrupt Flag
382 *
383 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
384 *
385 * @retval 0 Timer capture interrupt did not occur
386 * @retval 1 Timer capture interrupt occurred
387 *
388 * @details This function indicates timer capture trigger interrupt occurred or not.
389 */
TIMER_GetCaptureIntFlag(TIMER_T * timer)390 __STATIC_INLINE uint32_t TIMER_GetCaptureIntFlag(TIMER_T *timer)
391 {
392 return timer->EINTSTS;
393 }
394
395 /**
396 * @brief Clear Timer Capture Interrupt Flag
397 *
398 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
399 *
400 * @return None
401 *
402 * @details This function clears timer capture trigger interrupt flag to 0.
403 */
TIMER_ClearCaptureIntFlag(TIMER_T * timer)404 __STATIC_INLINE void TIMER_ClearCaptureIntFlag(TIMER_T *timer)
405 {
406 timer->EINTSTS = TIMER_EINTSTS_CAPIF_Msk;
407 }
408
409 /**
410 * @brief Get Timer Wake-up Flag
411 *
412 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
413 *
414 * @retval 0 Timer does not cause CPU wake-up
415 * @retval 1 Timer interrupt event cause CPU wake-up
416 *
417 * @details This function indicates timer interrupt event has waked up system or not.
418 */
TIMER_GetWakeupFlag(TIMER_T * timer)419 __STATIC_INLINE uint32_t TIMER_GetWakeupFlag(TIMER_T *timer)
420 {
421 return (timer->INTSTS & TIMER_INTSTS_TWKF_Msk ? 1UL : 0UL);
422 }
423
424 /**
425 * @brief Clear Timer Wake-up Flag
426 *
427 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
428 *
429 * @return None
430 *
431 * @details This function clears the timer wake-up system flag to 0.
432 */
TIMER_ClearWakeupFlag(TIMER_T * timer)433 __STATIC_INLINE void TIMER_ClearWakeupFlag(TIMER_T *timer)
434 {
435 timer->INTSTS = TIMER_INTSTS_TWKF_Msk;
436 }
437
438 /**
439 * @brief Get Capture value
440 *
441 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
442 *
443 * @return 24-bit Capture Value
444 *
445 * @details This function reports the current 24-bit timer capture value.
446 */
TIMER_GetCaptureData(TIMER_T * timer)447 __STATIC_INLINE uint32_t TIMER_GetCaptureData(TIMER_T *timer)
448 {
449 return timer->CAP;
450 }
451
452 /**
453 * @brief Get Counter value
454 *
455 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
456 *
457 * @return 24-bit Counter Value
458 *
459 * @details This function reports the current 24-bit timer counter value.
460 */
TIMER_GetCounter(TIMER_T * timer)461 __STATIC_INLINE uint32_t TIMER_GetCounter(TIMER_T *timer)
462 {
463 return timer->CNT;
464 }
465
466 /**
467 * @brief Reset Counter
468 *
469 * @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
470 *
471 * @return None
472 *
473 * @details This function is used to reset current counter value and internal prescale counter value.
474 */
TIMER_ResetCounter(TIMER_T * timer)475 __STATIC_INLINE void TIMER_ResetCounter(TIMER_T *timer)
476 {
477 timer->CNT = 0UL;
478 while((timer->CNT & TIMER_CNT_RSTACT_Msk) == TIMER_CNT_RSTACT_Msk) {}
479 }
480
481
482 uint32_t TIMER_Open(TIMER_T *timer, uint32_t u32Mode, uint32_t u32Freq);
483 void TIMER_Close(TIMER_T *timer);
484 void TIMER_Delay(TIMER_T *timer, uint32_t u32Usec);
485 void TIMER_EnableCapture(TIMER_T *timer, uint32_t u32CapMode, uint32_t u32Edge);
486 void TIMER_DisableCapture(TIMER_T *timer);
487 void TIMER_EnableEventCounter(TIMER_T *timer, uint32_t u32Edge);
488 void TIMER_DisableEventCounter(TIMER_T *timer);
489 uint32_t TIMER_GetModuleClock(TIMER_T *timer);
490 void TIMER_EnableFreqCounter(TIMER_T *timer, uint32_t u32DropCount, uint32_t u32Timeout, uint32_t u32EnableInt);
491 void TIMER_DisableFreqCounter(TIMER_T *timer);
492 void TIMER_SetTriggerSource(TIMER_T *timer, uint32_t u32Src);
493 void TIMER_SetTriggerTarget(TIMER_T *timer, uint32_t u32Mask);
494
495 /*@}*/ /* end of group TIMER_EXPORTED_FUNCTIONS */
496
497 /*@}*/ /* end of group TIMER_Driver */
498
499 /*@}*/ /* end of group Standard_Driver */
500
501 #ifdef __cplusplus
502 }
503 #endif
504
505 #endif /* __TIMER_H__ */
506
507