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/**************************************************************************/ /**
* @ file timer . h
* @ version V3 .00
* @ brief Timer Controller ( Timer ) driver header file
*
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* @ copyright ( C ) 2017 Nuvoton Technology Corp . All rights reserved .
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
# ifndef __TIMER_H__
# define __TIMER_H__
# ifdef __cplusplus
extern " C "
{
# endif
/** @addtogroup Standard_Driver Standard Driver
@ {
*/
/** @addtogroup TIMER_Driver TIMER Driver
@ {
*/
/** @addtogroup TIMER_EXPORTED_CONSTANTS TIMER Exported Constants
@ {
*/
/*---------------------------------------------------------------------------------------------------------*/
/* TIMER Operation Mode, External Counter and Capture Mode Constant Definitions */
/*---------------------------------------------------------------------------------------------------------*/
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# define TIMER_ONESHOT_MODE (0UL << TIMER_CTL_OPMODE_Pos) /*!< Timer working in one-shot mode \hideinitializer */
# define TIMER_PERIODIC_MODE (1UL << TIMER_CTL_OPMODE_Pos) /*!< Timer working in periodic mode \hideinitializer */
# define TIMER_TOGGLE_MODE (2UL << TIMER_CTL_OPMODE_Pos) /*!< Timer working in toggle-output mode \hideinitializer */
# define TIMER_CONTINUOUS_MODE (3UL << TIMER_CTL_OPMODE_Pos) /*!< Timer working in continuous counting mode \hideinitializer */
# define TIMER_TOUT_PIN_FROM_TMX (0UL << TIMER_CTL_TGLPINSEL_Pos) /*!< Timer toggle-output pin is from TMx pin \hideinitializer */
# define TIMER_TOUT_PIN_FROM_TMX_EXT (1UL << TIMER_CTL_TGLPINSEL_Pos) /*!< Timer toggle-output pin is from TMx_EXT pin \hideinitializer */
# define TIMER_COUNTER_EVENT_FALLING (0UL << TIMER_EXTCTL_CNTPHASE_Pos) /*!< Counter increase on falling edge detection \hideinitializer */
# define TIMER_COUNTER_EVENT_RISING (1UL << TIMER_EXTCTL_CNTPHASE_Pos) /*!< Counter increase on rising edge detection \hideinitializer */
# define TIMER_CAPTURE_FREE_COUNTING_MODE (0UL << TIMER_EXTCTL_CAPFUNCS_Pos) /*!< Timer capture event to get timer counter value \hideinitializer */
# define TIMER_CAPTURE_COUNTER_RESET_MODE (1UL << TIMER_EXTCTL_CAPFUNCS_Pos) /*!< Timer capture event to reset timer counter \hideinitializer */
# define TIMER_CAPTURE_EVENT_FALLING (0UL << TIMER_EXTCTL_CAPEDGE_Pos) /*!< Falling edge detection to trigger capture event \hideinitializer */
# define TIMER_CAPTURE_EVENT_RISING (1UL << TIMER_EXTCTL_CAPEDGE_Pos) /*!< Rising edge detection to trigger capture event \hideinitializer */
# 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 */
# 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 */
# 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 */
# 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 */
# define TIMER_TRGSRC_TIMEOUT_EVENT (0UL << TIMER_TRGCTL_TRGSSEL_Pos) /*!< Select internal trigger source from timer time-out event \hideinitializer */
# define TIMER_TRGSRC_CAPTURE_EVENT (1UL << TIMER_TRGCTL_TRGSSEL_Pos) /*!< Select internal trigger source from timer capture event \hideinitializer */
# define TIMER_TRG_TO_EPWM (TIMER_TRGCTL_TRGEPWM_Msk) /*!< Each timer event as EPWM counter clock source \hideinitializer */
# define TIMER_TRG_TO_EADC (TIMER_TRGCTL_TRGEADC_Msk) /*!< Each timer event to start ADC conversion \hideinitializer */
# define TIMER_TRG_TO_DAC (TIMER_TRGCTL_TRGDAC_Msk) /*!< Each timer event to start DAC conversion \hideinitializer */
# define TIMER_TRG_TO_PDMA (TIMER_TRGCTL_TRGPDMA_Msk) /*!< Each timer event to trigger PDMA transfer \hideinitializer */
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/*@}*/ /* end of group TIMER_EXPORTED_CONSTANTS */
/** @addtogroup TIMER_EXPORTED_FUNCTIONS TIMER Exported Functions
@ {
*/
/**
* @ brief Set Timer Compared Value
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
* @ param [ in ] u32Value Timer compare value . Valid values are between 2 to 0xFFFFFF .
*
* @ return None
*
* @ details This macro is used to set timer compared value to adjust timer time - out interval .
* @ note 1. Never write 0x0 or 0x1 in this field , or the core will run into unknown state . \ n
* 2. If update timer compared value in continuous counting mode , timer counter value will keep counting continuously . \ n
* But if timer is operating at other modes , the timer up counter will restart counting and start from 0.
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* \ hideinitializer
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*/
# define TIMER_SET_CMP_VALUE(timer, u32Value) ((timer)->CMP = (u32Value))
/**
* @ brief Set Timer Prescale Value
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
* @ param [ in ] u32Value Timer prescale value . Valid values are between 0 to 0xFF .
*
* @ return None
*
* @ details This macro is used to set timer prescale value and timer source clock will be divided by ( prescale + 1 ) \ n
* before it is fed into timer .
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* \ hideinitializer
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*/
# define TIMER_SET_PRESCALE_VALUE(timer, u32Value) ((timer)->CTL = ((timer)->CTL & ~TIMER_CTL_PSC_Msk) | (u32Value))
/**
* @ brief Check specify Timer Status
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
*
* @ retval 0 Timer 24 - bit up counter is inactive
* @ retval 1 Timer 24 - bit up counter is active
*
* @ details This macro is used to check if specify Timer counter is inactive or active .
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* \ hideinitializer
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*/
# define TIMER_IS_ACTIVE(timer) (((timer)->CTL & TIMER_CTL_ACTSTS_Msk)? 1 : 0)
/**
* @ brief Select Toggle - output Pin
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
* @ param [ in ] u32ToutSel Toggle - output pin selection , valid values are :
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* - \ ref TIMER_TOUT_PIN_FROM_TMX
* - \ ref TIMER_TOUT_PIN_FROM_TMX_EXT
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*
* @ return None
*
* @ details This macro is used to select timer toggle - output pin is output on TMx or TMx_EXT pin .
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* \ hideinitializer
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*/
# define TIMER_SELECT_TOUT_PIN(timer, u32ToutSel) ((timer)->CTL = ((timer)->CTL & ~TIMER_CTL_TGLPINSEL_Msk) | (u32ToutSel))
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/*---------------------------------------------------------------------------------------------------------*/
/* static inline functions */
/*---------------------------------------------------------------------------------------------------------*/
/* Declare these inline functions here to avoid MISRA C 2004 rule 8.1 error */
__STATIC_INLINE void TIMER_Start ( TIMER_T * timer ) ;
__STATIC_INLINE void TIMER_Stop ( TIMER_T * timer ) ;
__STATIC_INLINE void TIMER_EnableWakeup ( TIMER_T * timer ) ;
__STATIC_INLINE void TIMER_DisableWakeup ( TIMER_T * timer ) ;
__STATIC_INLINE void TIMER_StartCapture ( TIMER_T * timer ) ;
__STATIC_INLINE void TIMER_StopCapture ( TIMER_T * timer ) ;
__STATIC_INLINE void TIMER_EnableCaptureDebounce ( TIMER_T * timer ) ;
__STATIC_INLINE void TIMER_DisableCaptureDebounce ( TIMER_T * timer ) ;
__STATIC_INLINE void TIMER_EnableEventCounterDebounce ( TIMER_T * timer ) ;
__STATIC_INLINE void TIMER_DisableEventCounterDebounce ( TIMER_T * timer ) ;
__STATIC_INLINE void TIMER_EnableInt ( TIMER_T * timer ) ;
__STATIC_INLINE void TIMER_DisableInt ( TIMER_T * timer ) ;
__STATIC_INLINE void TIMER_EnableCaptureInt ( TIMER_T * timer ) ;
__STATIC_INLINE void TIMER_DisableCaptureInt ( TIMER_T * timer ) ;
__STATIC_INLINE uint32_t TIMER_GetIntFlag ( TIMER_T * timer ) ;
__STATIC_INLINE void TIMER_ClearIntFlag ( TIMER_T * timer ) ;
__STATIC_INLINE uint32_t TIMER_GetCaptureIntFlag ( TIMER_T * timer ) ;
__STATIC_INLINE void TIMER_ClearCaptureIntFlag ( TIMER_T * timer ) ;
__STATIC_INLINE uint32_t TIMER_GetWakeupFlag ( TIMER_T * timer ) ;
__STATIC_INLINE void TIMER_ClearWakeupFlag ( TIMER_T * timer ) ;
__STATIC_INLINE uint32_t TIMER_GetCaptureData ( TIMER_T * timer ) ;
__STATIC_INLINE uint32_t TIMER_GetCounter ( TIMER_T * timer ) ;
__STATIC_INLINE void TIMER_ResetCounter ( TIMER_T * timer ) ;
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/**
* @ brief Start Timer Counting
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
*
* @ return None
*
* @ details This function is used to start Timer counting .
*/
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__STATIC_INLINE void TIMER_Start ( TIMER_T * timer )
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{
timer - > CTL | = TIMER_CTL_CNTEN_Msk ;
}
/**
* @ brief Stop Timer Counting
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
*
* @ return None
*
* @ details This function is used to stop / suspend Timer counting .
*/
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__STATIC_INLINE void TIMER_Stop ( TIMER_T * timer )
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{
timer - > CTL & = ~ TIMER_CTL_CNTEN_Msk ;
}
/**
* @ brief Enable Timer Interrupt Wake - up Function
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
*
* @ return None
*
* @ details This function is used to enable the timer interrupt wake - up function and interrupt source could be time - out interrupt , \ n
* counter event interrupt or capture trigger interrupt .
* @ note To wake the system from Power - down mode , timer clock source must be ether LXT or LIRC .
*/
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__STATIC_INLINE void TIMER_EnableWakeup ( TIMER_T * timer )
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{
timer - > CTL | = TIMER_CTL_WKEN_Msk ;
}
/**
* @ brief Disable Timer Wake - up Function
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
*
* @ return None
*
* @ details This function is used to disable the timer interrupt wake - up function .
*/
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__STATIC_INLINE void TIMER_DisableWakeup ( TIMER_T * timer )
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{
timer - > CTL & = ~ TIMER_CTL_WKEN_Msk ;
}
/**
* @ brief Start Timer Capture Function
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
*
* @ return None
*
* @ details This function is used to start Timer capture function .
*/
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__STATIC_INLINE void TIMER_StartCapture ( TIMER_T * timer )
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{
timer - > EXTCTL | = TIMER_EXTCTL_CAPEN_Msk ;
}
/**
* @ brief Stop Timer Capture Function
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
*
* @ return None
*
* @ details This function is used to stop Timer capture function .
*/
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__STATIC_INLINE void TIMER_StopCapture ( TIMER_T * timer )
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{
timer - > EXTCTL & = ~ TIMER_EXTCTL_CAPEN_Msk ;
}
/**
* @ brief Enable Capture Pin De - bounce
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
*
* @ return None
*
* @ details This function is used to enable the detect de - bounce function of capture pin .
*/
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__STATIC_INLINE void TIMER_EnableCaptureDebounce ( TIMER_T * timer )
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{
timer - > EXTCTL | = TIMER_EXTCTL_CAPDBEN_Msk ;
}
/**
* @ brief Disable Capture Pin De - bounce
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
*
* @ return None
*
* @ details This function is used to disable the detect de - bounce function of capture pin .
*/
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__STATIC_INLINE void TIMER_DisableCaptureDebounce ( TIMER_T * timer )
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{
timer - > EXTCTL & = ~ TIMER_EXTCTL_CAPDBEN_Msk ;
}
/**
* @ brief Enable Counter Pin De - bounce
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
*
* @ return None
*
* @ details This function is used to enable the detect de - bounce function of counter pin .
*/
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__STATIC_INLINE void TIMER_EnableEventCounterDebounce ( TIMER_T * timer )
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{
timer - > EXTCTL | = TIMER_EXTCTL_CNTDBEN_Msk ;
}
/**
* @ brief Disable Counter Pin De - bounce
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
*
* @ return None
*
* @ details This function is used to disable the detect de - bounce function of counter pin .
*/
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__STATIC_INLINE void TIMER_DisableEventCounterDebounce ( TIMER_T * timer )
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{
timer - > EXTCTL & = ~ TIMER_EXTCTL_CNTDBEN_Msk ;
}
/**
* @ brief Enable Timer Time - out Interrupt
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
*
* @ return None
*
* @ details This function is used to enable the timer time - out interrupt function .
*/
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__STATIC_INLINE void TIMER_EnableInt ( TIMER_T * timer )
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{
timer - > CTL | = TIMER_CTL_INTEN_Msk ;
}
/**
* @ brief Disable Timer Time - out Interrupt
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
*
* @ return None
*
* @ details This function is used to disable the timer time - out interrupt function .
*/
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__STATIC_INLINE void TIMER_DisableInt ( TIMER_T * timer )
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{
timer - > CTL & = ~ TIMER_CTL_INTEN_Msk ;
}
/**
* @ brief Enable Capture Trigger Interrupt
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
*
* @ return None
*
* @ details This function is used to enable the timer capture trigger interrupt function .
*/
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__STATIC_INLINE void TIMER_EnableCaptureInt ( TIMER_T * timer )
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{
timer - > EXTCTL | = TIMER_EXTCTL_CAPIEN_Msk ;
}
/**
* @ brief Disable Capture Trigger Interrupt
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
*
* @ return None
*
* @ details This function is used to disable the timer capture trigger interrupt function .
*/
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__STATIC_INLINE void TIMER_DisableCaptureInt ( TIMER_T * timer )
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{
timer - > EXTCTL & = ~ TIMER_EXTCTL_CAPIEN_Msk ;
}
/**
* @ brief Get Timer Time - out Interrupt Flag
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
*
* @ retval 0 Timer time - out interrupt did not occur
* @ retval 1 Timer time - out interrupt occurred
*
* @ details This function indicates timer time - out interrupt occurred or not .
*/
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__STATIC_INLINE uint32_t TIMER_GetIntFlag ( TIMER_T * timer )
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{
return ( ( timer - > INTSTS & TIMER_INTSTS_TIF_Msk ) ? 1UL : 0UL ) ;
}
/**
* @ brief Clear Timer Time - out Interrupt Flag
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
*
* @ return None
*
* @ details This function clears timer time - out interrupt flag to 0.
*/
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__STATIC_INLINE void TIMER_ClearIntFlag ( TIMER_T * timer )
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{
timer - > INTSTS = TIMER_INTSTS_TIF_Msk ;
}
/**
* @ brief Get Timer Capture Interrupt Flag
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
*
* @ retval 0 Timer capture interrupt did not occur
* @ retval 1 Timer capture interrupt occurred
*
* @ details This function indicates timer capture trigger interrupt occurred or not .
*/
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__STATIC_INLINE uint32_t TIMER_GetCaptureIntFlag ( TIMER_T * timer )
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{
return timer - > EINTSTS ;
}
/**
* @ brief Clear Timer Capture Interrupt Flag
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
*
* @ return None
*
* @ details This function clears timer capture trigger interrupt flag to 0.
*/
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__STATIC_INLINE void TIMER_ClearCaptureIntFlag ( TIMER_T * timer )
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{
timer - > EINTSTS = TIMER_EINTSTS_CAPIF_Msk ;
}
/**
* @ brief Get Timer Wake - up Flag
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
*
* @ retval 0 Timer does not cause CPU wake - up
* @ retval 1 Timer interrupt event cause CPU wake - up
*
* @ details This function indicates timer interrupt event has waked up system or not .
*/
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__STATIC_INLINE uint32_t TIMER_GetWakeupFlag ( TIMER_T * timer )
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{
return ( timer - > INTSTS & TIMER_INTSTS_TWKF_Msk ? 1UL : 0UL ) ;
}
/**
* @ brief Clear Timer Wake - up Flag
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
*
* @ return None
*
* @ details This function clears the timer wake - up system flag to 0.
*/
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__STATIC_INLINE void TIMER_ClearWakeupFlag ( TIMER_T * timer )
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{
timer - > INTSTS = TIMER_INTSTS_TWKF_Msk ;
}
/**
* @ brief Get Capture value
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
*
* @ return 24 - bit Capture Value
*
* @ details This function reports the current 24 - bit timer capture value .
*/
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__STATIC_INLINE uint32_t TIMER_GetCaptureData ( TIMER_T * timer )
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{
return timer - > CAP ;
}
/**
* @ brief Get Counter value
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
*
* @ return 24 - bit Counter Value
*
* @ details This function reports the current 24 - bit timer counter value .
*/
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__STATIC_INLINE uint32_t TIMER_GetCounter ( TIMER_T * timer )
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{
return timer - > CNT ;
}
/**
* @ brief Reset Counter
*
* @ param [ in ] timer The pointer of the specified Timer module . It could be TIMER0 , TIMER1 , TIMER2 , TIMER3 .
*
* @ return None
*
* @ details This function is used to reset current counter value and internal prescale counter value .
*/
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__STATIC_INLINE void TIMER_ResetCounter ( TIMER_T * timer )
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{
timer - > CNT = 0UL ;
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while ( ( timer - > CNT & TIMER_CNT_RSTACT_Msk ) = = TIMER_CNT_RSTACT_Msk ) { }
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}
uint32_t TIMER_Open ( TIMER_T * timer , uint32_t u32Mode , uint32_t u32Freq ) ;
void TIMER_Close ( TIMER_T * timer ) ;
void TIMER_Delay ( TIMER_T * timer , uint32_t u32Usec ) ;
void TIMER_EnableCapture ( TIMER_T * timer , uint32_t u32CapMode , uint32_t u32Edge ) ;
void TIMER_DisableCapture ( TIMER_T * timer ) ;
void TIMER_EnableEventCounter ( TIMER_T * timer , uint32_t u32Edge ) ;
void TIMER_DisableEventCounter ( TIMER_T * timer ) ;
uint32_t TIMER_GetModuleClock ( TIMER_T * timer ) ;
void TIMER_EnableFreqCounter ( TIMER_T * timer , uint32_t u32DropCount , uint32_t u32Timeout , uint32_t u32EnableInt ) ;
void TIMER_DisableFreqCounter ( TIMER_T * timer ) ;
void TIMER_SetTriggerSource ( TIMER_T * timer , uint32_t u32Src ) ;
void TIMER_SetTriggerTarget ( TIMER_T * timer , uint32_t u32Mask ) ;
/*@}*/ /* end of group TIMER_EXPORTED_FUNCTIONS */
/*@}*/ /* end of group TIMER_Driver */
/*@}*/ /* end of group Standard_Driver */
# ifdef __cplusplus
}
# endif
# endif /* __TIMER_H__ */
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/*** (C) COPYRIGHT 2017 Nuvoton Technology Corp. ***/
