508 lines
19 KiB
C
508 lines
19 KiB
C
/**************************************************************************//**
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* @file timer.h
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* @version V1.00
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* @brief M480 series Timer Controller(Timer) driver header file
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*
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* @copyright (C) 2017 Nuvoton Technology Corp. All rights reserved.
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*****************************************************************************/
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#ifndef __TIMER_H__
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#define __TIMER_H__
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/** @addtogroup Standard_Driver Standard Driver
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@{
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*/
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/** @addtogroup TIMER_Driver TIMER Driver
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@{
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*/
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/** @addtogroup TIMER_EXPORTED_CONSTANTS TIMER Exported Constants
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@{
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*/
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/*---------------------------------------------------------------------------------------------------------*/
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/* TIMER Operation Mode, External Counter and Capture Mode Constant Definitions */
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/*---------------------------------------------------------------------------------------------------------*/
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#define TIMER_ONESHOT_MODE (0UL << TIMER_CTL_OPMODE_Pos) /*!< Timer working in one-shot mode \hideinitializer */
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#define TIMER_PERIODIC_MODE (1UL << TIMER_CTL_OPMODE_Pos) /*!< Timer working in periodic mode \hideinitializer */
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#define TIMER_TOGGLE_MODE (2UL << TIMER_CTL_OPMODE_Pos) /*!< Timer working in toggle-output mode \hideinitializer */
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#define TIMER_CONTINUOUS_MODE (3UL << TIMER_CTL_OPMODE_Pos) /*!< Timer working in continuous counting mode \hideinitializer */
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#define TIMER_TOUT_PIN_FROM_TMX (0UL << TIMER_CTL_TGLPINSEL_Pos) /*!< Timer toggle-output pin is from TMx pin \hideinitializer */
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#define TIMER_TOUT_PIN_FROM_TMX_EXT (1UL << TIMER_CTL_TGLPINSEL_Pos) /*!< Timer toggle-output pin is from TMx_EXT pin \hideinitializer */
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#define TIMER_COUNTER_EVENT_FALLING (0UL << TIMER_EXTCTL_CNTPHASE_Pos) /*!< Counter increase on falling edge detection \hideinitializer */
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#define TIMER_COUNTER_EVENT_RISING (1UL << TIMER_EXTCTL_CNTPHASE_Pos) /*!< Counter increase on rising edge detection \hideinitializer */
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#define TIMER_CAPTURE_FREE_COUNTING_MODE (0UL << TIMER_EXTCTL_CAPFUNCS_Pos) /*!< Timer capture event to get timer counter value \hideinitializer */
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#define TIMER_CAPTURE_COUNTER_RESET_MODE (1UL << TIMER_EXTCTL_CAPFUNCS_Pos) /*!< Timer capture event to reset timer counter \hideinitializer */
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#define TIMER_CAPTURE_EVENT_FALLING (0UL << TIMER_EXTCTL_CAPEDGE_Pos) /*!< Falling edge detection to trigger capture event \hideinitializer */
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#define TIMER_CAPTURE_EVENT_RISING (1UL << TIMER_EXTCTL_CAPEDGE_Pos) /*!< Rising edge detection to trigger capture event \hideinitializer */
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#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 */
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#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 */
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#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 */
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#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 */
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#define TIMER_TRGSRC_TIMEOUT_EVENT (0UL << TIMER_TRGCTL_TRGSSEL_Pos) /*!< Select internal trigger source from timer time-out event \hideinitializer */
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#define TIMER_TRGSRC_CAPTURE_EVENT (1UL << TIMER_TRGCTL_TRGSSEL_Pos) /*!< Select internal trigger source from timer capture event \hideinitializer */
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#define TIMER_TRG_TO_EPWM (TIMER_TRGCTL_TRGEPWM_Msk) /*!< Each timer event as EPWM counter clock source \hideinitializer */
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#define TIMER_TRG_TO_EADC (TIMER_TRGCTL_TRGEADC_Msk) /*!< Each timer event to start ADC conversion \hideinitializer */
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#define TIMER_TRG_TO_DAC (TIMER_TRGCTL_TRGDAC_Msk) /*!< Each timer event to start DAC conversion \hideinitializer */
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#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 */
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/** @addtogroup TIMER_EXPORTED_FUNCTIONS TIMER Exported Functions
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@{
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*/
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/**
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* @brief Set Timer Compared Value
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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* @param[in] u32Value Timer compare value. Valid values are between 2 to 0xFFFFFF.
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*
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* @return None
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*
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* @details This macro is used to set timer compared value to adjust timer time-out interval.
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* @note 1. Never write 0x0 or 0x1 in this field, or the core will run into unknown state. \n
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* 2. If update timer compared value in continuous counting mode, timer counter value will keep counting continuously. \n
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* 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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*/
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#define TIMER_SET_CMP_VALUE(timer, u32Value) ((timer)->CMP = (u32Value))
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/**
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* @brief Set Timer Prescale Value
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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* @param[in] u32Value Timer prescale value. Valid values are between 0 to 0xFF.
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*
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* @return None
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*
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* @details This macro is used to set timer prescale value and timer source clock will be divided by (prescale + 1) \n
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* before it is fed into timer.
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* \hideinitializer
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*/
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#define TIMER_SET_PRESCALE_VALUE(timer, u32Value) ((timer)->CTL = ((timer)->CTL & ~TIMER_CTL_PSC_Msk) | (u32Value))
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/**
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* @brief Check specify Timer Status
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @retval 0 Timer 24-bit up counter is inactive
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* @retval 1 Timer 24-bit up counter is active
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*
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* @details This macro is used to check if specify Timer counter is inactive or active.
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* \hideinitializer
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*/
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#define TIMER_IS_ACTIVE(timer) (((timer)->CTL & TIMER_CTL_ACTSTS_Msk)? 1 : 0)
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/**
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* @brief Select Toggle-output Pin
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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* @param[in] u32ToutSel Toggle-output pin selection, valid values are:
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* - \ref TIMER_TOUT_PIN_FROM_TMX
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* - \ref TIMER_TOUT_PIN_FROM_TMX_EXT
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*
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* @return None
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*
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* @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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*/
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#define TIMER_SELECT_TOUT_PIN(timer, u32ToutSel) ((timer)->CTL = ((timer)->CTL & ~TIMER_CTL_TGLPINSEL_Msk) | (u32ToutSel))
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/* Declare these inline functions here to avoid MISRA C 2004 rule 8.1 error */
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__STATIC_INLINE void TIMER_Start(TIMER_T *timer);
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__STATIC_INLINE void TIMER_Stop(TIMER_T *timer);
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__STATIC_INLINE void TIMER_EnableWakeup(TIMER_T *timer);
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__STATIC_INLINE void TIMER_DisableWakeup(TIMER_T *timer);
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__STATIC_INLINE void TIMER_StartCapture(TIMER_T *timer);
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__STATIC_INLINE void TIMER_StopCapture(TIMER_T *timer);
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__STATIC_INLINE void TIMER_EnableCaptureDebounce(TIMER_T *timer);
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__STATIC_INLINE void TIMER_DisableCaptureDebounce(TIMER_T *timer);
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__STATIC_INLINE void TIMER_EnableEventCounterDebounce(TIMER_T *timer);
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__STATIC_INLINE void TIMER_DisableEventCounterDebounce(TIMER_T *timer);
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__STATIC_INLINE void TIMER_EnableInt(TIMER_T *timer);
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__STATIC_INLINE void TIMER_DisableInt(TIMER_T *timer);
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__STATIC_INLINE void TIMER_EnableCaptureInt(TIMER_T *timer);
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__STATIC_INLINE void TIMER_DisableCaptureInt(TIMER_T *timer);
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__STATIC_INLINE uint32_t TIMER_GetIntFlag(TIMER_T *timer);
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__STATIC_INLINE void TIMER_ClearIntFlag(TIMER_T *timer);
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__STATIC_INLINE uint32_t TIMER_GetCaptureIntFlag(TIMER_T *timer);
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__STATIC_INLINE void TIMER_ClearCaptureIntFlag(TIMER_T *timer);
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__STATIC_INLINE uint32_t TIMER_GetWakeupFlag(TIMER_T *timer);
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__STATIC_INLINE void TIMER_ClearWakeupFlag(TIMER_T *timer);
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__STATIC_INLINE uint32_t TIMER_GetCaptureData(TIMER_T *timer);
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__STATIC_INLINE uint32_t TIMER_GetCounter(TIMER_T *timer);
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__STATIC_INLINE void TIMER_ResetCounter(TIMER_T *timer);
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/**
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* @brief Start Timer Counting
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @return None
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*
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* @details This function is used to start Timer counting.
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*/
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__STATIC_INLINE void TIMER_Start(TIMER_T *timer)
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{
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timer->CTL |= TIMER_CTL_CNTEN_Msk;
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}
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/**
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* @brief Stop Timer Counting
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @return None
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*
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* @details This function is used to stop/suspend Timer counting.
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*/
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__STATIC_INLINE void TIMER_Stop(TIMER_T *timer)
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{
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timer->CTL &= ~TIMER_CTL_CNTEN_Msk;
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}
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/**
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* @brief Enable Timer Interrupt Wake-up Function
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @return None
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*
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* @details This function is used to enable the timer interrupt wake-up function and interrupt source could be time-out interrupt, \n
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* counter event interrupt or capture trigger interrupt.
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* @note To wake the system from Power-down mode, timer clock source must be ether LXT or LIRC.
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*/
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__STATIC_INLINE void TIMER_EnableWakeup(TIMER_T *timer)
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{
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timer->CTL |= TIMER_CTL_WKEN_Msk;
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}
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/**
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* @brief Disable Timer Wake-up Function
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @return None
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*
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* @details This function is used to disable the timer interrupt wake-up function.
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*/
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__STATIC_INLINE void TIMER_DisableWakeup(TIMER_T *timer)
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{
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timer->CTL &= ~TIMER_CTL_WKEN_Msk;
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}
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/**
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* @brief Start Timer Capture Function
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @return None
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*
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* @details This function is used to start Timer capture function.
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*/
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__STATIC_INLINE void TIMER_StartCapture(TIMER_T *timer)
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{
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timer->EXTCTL |= TIMER_EXTCTL_CAPEN_Msk;
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}
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/**
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* @brief Stop Timer Capture Function
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @return None
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*
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* @details This function is used to stop Timer capture function.
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*/
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__STATIC_INLINE void TIMER_StopCapture(TIMER_T *timer)
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{
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timer->EXTCTL &= ~TIMER_EXTCTL_CAPEN_Msk;
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}
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/**
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* @brief Enable Capture Pin De-bounce
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @return None
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*
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* @details This function is used to enable the detect de-bounce function of capture pin.
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*/
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__STATIC_INLINE void TIMER_EnableCaptureDebounce(TIMER_T *timer)
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{
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timer->EXTCTL |= TIMER_EXTCTL_CAPDBEN_Msk;
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}
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/**
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* @brief Disable Capture Pin De-bounce
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @return None
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*
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* @details This function is used to disable the detect de-bounce function of capture pin.
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*/
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__STATIC_INLINE void TIMER_DisableCaptureDebounce(TIMER_T *timer)
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{
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timer->EXTCTL &= ~TIMER_EXTCTL_CAPDBEN_Msk;
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}
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/**
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* @brief Enable Counter Pin De-bounce
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @return None
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*
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* @details This function is used to enable the detect de-bounce function of counter pin.
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*/
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__STATIC_INLINE void TIMER_EnableEventCounterDebounce(TIMER_T *timer)
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{
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timer->EXTCTL |= TIMER_EXTCTL_CNTDBEN_Msk;
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}
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/**
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* @brief Disable Counter Pin De-bounce
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @return None
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*
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* @details This function is used to disable the detect de-bounce function of counter pin.
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*/
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__STATIC_INLINE void TIMER_DisableEventCounterDebounce(TIMER_T *timer)
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{
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timer->EXTCTL &= ~TIMER_EXTCTL_CNTDBEN_Msk;
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}
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/**
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* @brief Enable Timer Time-out Interrupt
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @return None
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*
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* @details This function is used to enable the timer time-out interrupt function.
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*/
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__STATIC_INLINE void TIMER_EnableInt(TIMER_T *timer)
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{
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timer->CTL |= TIMER_CTL_INTEN_Msk;
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}
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/**
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* @brief Disable Timer Time-out Interrupt
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @return None
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*
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* @details This function is used to disable the timer time-out interrupt function.
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*/
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__STATIC_INLINE void TIMER_DisableInt(TIMER_T *timer)
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{
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timer->CTL &= ~TIMER_CTL_INTEN_Msk;
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}
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/**
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* @brief Enable Capture Trigger Interrupt
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @return None
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*
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* @details This function is used to enable the timer capture trigger interrupt function.
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*/
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__STATIC_INLINE void TIMER_EnableCaptureInt(TIMER_T *timer)
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{
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timer->EXTCTL |= TIMER_EXTCTL_CAPIEN_Msk;
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}
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/**
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* @brief Disable Capture Trigger Interrupt
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @return None
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*
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* @details This function is used to disable the timer capture trigger interrupt function.
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*/
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__STATIC_INLINE void TIMER_DisableCaptureInt(TIMER_T *timer)
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{
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timer->EXTCTL &= ~TIMER_EXTCTL_CAPIEN_Msk;
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}
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/**
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* @brief Get Timer Time-out Interrupt Flag
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @retval 0 Timer time-out interrupt did not occur
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* @retval 1 Timer time-out interrupt occurred
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*
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* @details This function indicates timer time-out interrupt occurred or not.
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*/
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__STATIC_INLINE uint32_t TIMER_GetIntFlag(TIMER_T *timer)
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{
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return ((timer->INTSTS & TIMER_INTSTS_TIF_Msk) ? 1UL : 0UL);
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}
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/**
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* @brief Clear Timer Time-out Interrupt Flag
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @return None
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*
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* @details This function clears timer time-out interrupt flag to 0.
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*/
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__STATIC_INLINE void TIMER_ClearIntFlag(TIMER_T *timer)
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{
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timer->INTSTS = TIMER_INTSTS_TIF_Msk;
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}
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/**
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* @brief Get Timer Capture Interrupt Flag
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @retval 0 Timer capture interrupt did not occur
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* @retval 1 Timer capture interrupt occurred
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*
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* @details This function indicates timer capture trigger interrupt occurred or not.
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*/
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__STATIC_INLINE uint32_t TIMER_GetCaptureIntFlag(TIMER_T *timer)
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{
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return timer->EINTSTS;
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}
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/**
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* @brief Clear Timer Capture Interrupt Flag
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @return None
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*
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* @details This function clears timer capture trigger interrupt flag to 0.
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*/
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__STATIC_INLINE void TIMER_ClearCaptureIntFlag(TIMER_T *timer)
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{
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timer->EINTSTS = TIMER_EINTSTS_CAPIF_Msk;
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}
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/**
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* @brief Get Timer Wake-up Flag
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @retval 0 Timer does not cause CPU wake-up
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* @retval 1 Timer interrupt event cause CPU wake-up
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*
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* @details This function indicates timer interrupt event has waked up system or not.
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*/
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__STATIC_INLINE uint32_t TIMER_GetWakeupFlag(TIMER_T *timer)
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{
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return (timer->INTSTS & TIMER_INTSTS_TWKF_Msk ? 1UL : 0UL);
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}
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/**
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* @brief Clear Timer Wake-up Flag
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @return None
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*
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* @details This function clears the timer wake-up system flag to 0.
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*/
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__STATIC_INLINE void TIMER_ClearWakeupFlag(TIMER_T *timer)
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{
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timer->INTSTS = TIMER_INTSTS_TWKF_Msk;
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}
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/**
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* @brief Get Capture value
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @return 24-bit Capture Value
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*
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* @details This function reports the current 24-bit timer capture value.
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*/
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__STATIC_INLINE uint32_t TIMER_GetCaptureData(TIMER_T *timer)
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{
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return timer->CAP;
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}
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/**
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* @brief Get Counter value
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @return 24-bit Counter Value
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*
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* @details This function reports the current 24-bit timer counter value.
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*/
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__STATIC_INLINE uint32_t TIMER_GetCounter(TIMER_T *timer)
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{
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return timer->CNT;
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}
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/**
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* @brief Reset Counter
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*
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* @param[in] timer The pointer of the specified Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @return None
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*
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* @details This function is used to reset current counter value and internal prescale counter value.
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*/
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__STATIC_INLINE void TIMER_ResetCounter(TIMER_T *timer)
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{
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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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{
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;
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}
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}
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uint32_t TIMER_Open(TIMER_T *timer, uint32_t u32Mode, uint32_t u32Freq);
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void TIMER_Close(TIMER_T *timer);
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void TIMER_Delay(TIMER_T *timer, uint32_t u32Usec);
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void TIMER_EnableCapture(TIMER_T *timer, uint32_t u32CapMode, uint32_t u32Edge);
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void TIMER_DisableCapture(TIMER_T *timer);
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void TIMER_EnableEventCounter(TIMER_T *timer, uint32_t u32Edge);
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void TIMER_DisableEventCounter(TIMER_T *timer);
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uint32_t TIMER_GetModuleClock(TIMER_T *timer);
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void TIMER_EnableFreqCounter(TIMER_T *timer,
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uint32_t u32DropCount,
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uint32_t u32Timeout,
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uint32_t u32EnableInt);
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void TIMER_DisableFreqCounter(TIMER_T *timer);
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void TIMER_SetTriggerSource(TIMER_T *timer, uint32_t u32Src);
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void TIMER_SetTriggerTarget(TIMER_T *timer, uint32_t u32Mask);
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/*@}*/ /* end of group TIMER_EXPORTED_FUNCTIONS */
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/*@}*/ /* end of group TIMER_Driver */
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/*@}*/ /* end of group Standard_Driver */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __TIMER_H__ */
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