rtt-f030/bsp/nuvoton_m451/Libraries/StdDriver/inc/timer.h

416 lines
14 KiB
C

/**************************************************************************//**
* @file timer.h
* @version V3.00
* $Revision: 10 $
* $Date: 15/08/11 10:26a $
* @brief M451 series Timer driver header file
*
* @note
* Copyright (C) 2013~2015 Nuvoton Technology Corp. All rights reserved.
*****************************************************************************/
#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 */
/*---------------------------------------------------------------------------------------------------------*/
#define TIMER_ONESHOT_MODE (0UL << TIMER_CTL_OPMODE_Pos) /*!< Timer working in one-shot mode */
#define TIMER_PERIODIC_MODE (1UL << TIMER_CTL_OPMODE_Pos) /*!< Timer working in periodic mode */
#define TIMER_TOGGLE_MODE (2UL << TIMER_CTL_OPMODE_Pos) /*!< Timer working in toggle-output mode */
#define TIMER_CONTINUOUS_MODE (3UL << TIMER_CTL_OPMODE_Pos) /*!< Timer working in continuous counting mode */
#define TIMER_TOUT_PIN_FROM_TX (0UL << TIMER_CTL_TGLPINSEL_Pos) /*!< Timer toggle-output pin is from Tx pin */
#define TIMER_TOUT_PIN_FROM_TX_EXT (1UL << TIMER_CTL_TGLPINSEL_Pos) /*!< Timer toggle-output pin is from Tx_EXT pin */
#define TIMER_CAPTURE_FREE_COUNTING_MODE (0UL << TIMER_EXTCTL_CAPFUNCS_Pos) /*!< Timer capture event to get timer counter value */
#define TIMER_CAPTURE_COUNTER_RESET_MODE (1UL << TIMER_EXTCTL_CAPFUNCS_Pos) /*!< Timer capture event to reset timer counter */
#define TIMER_CAPTURE_FALLING_EDGE (0UL << TIMER_EXTCTL_CAPEDGE_Pos) /*!< Falling edge detection to trigger timer capture */
#define TIMER_CAPTURE_RISING_EDGE (1UL << TIMER_EXTCTL_CAPEDGE_Pos) /*!< Rising edge detection to trigger timer capture */
#define TIMER_CAPTURE_FALLING_AND_RISING_EDGE (2UL << TIMER_EXTCTL_CAPEDGE_Pos) /*!< Both falling and rising edge detection to trigger timer capture */
#define TIMER_COUNTER_FALLING_EDGE (0UL << TIMER_EXTCTL_CNTPHASE_Pos) /*!< Counter increase on falling edge detection */
#define TIMER_COUNTER_RISING_EDGE (1UL << TIMER_EXTCTL_CNTPHASE_Pos) /*!< Counter increase on rising edge detection */
/*@}*/ /* 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.
*/
#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.
*/
#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.
*/
#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:
* - \ref TIMER_TOUT_PIN_FROM_TX
* - \ref TIMER_TOUT_PIN_FROM_TX_EXT
*
* @return None
*
* @details This macro is used to select timer toggle-output pin is output on Tx or Tx_EXT pin.
*/
#define TIMER_SELECT_TOUT_PIN(timer, u32ToutSel) ((timer)->CTL = ((timer)->CTL & ~TIMER_CTL_TGLPINSEL_Msk) | (u32ToutSel))
/**
* @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.
*/
static __INLINE void TIMER_Start(TIMER_T *timer)
{
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.
*/
static __INLINE void TIMER_Stop(TIMER_T *timer)
{
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.
*/
static __INLINE void TIMER_EnableWakeup(TIMER_T *timer)
{
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.
*/
static __INLINE void TIMER_DisableWakeup(TIMER_T *timer)
{
timer->CTL &= ~TIMER_CTL_WKEN_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.
*/
static __INLINE void TIMER_EnableCaptureDebounce(TIMER_T *timer)
{
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.
*/
static __INLINE void TIMER_DisableCaptureDebounce(TIMER_T *timer)
{
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.
*/
static __INLINE void TIMER_EnableEventCounterDebounce(TIMER_T *timer)
{
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.
*/
static __INLINE void TIMER_DisableEventCounterDebounce(TIMER_T *timer)
{
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.
*/
static __INLINE void TIMER_EnableInt(TIMER_T *timer)
{
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.
*/
static __INLINE void TIMER_DisableInt(TIMER_T *timer)
{
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.
*/
static __INLINE void TIMER_EnableCaptureInt(TIMER_T *timer)
{
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.
*/
static __INLINE void TIMER_DisableCaptureInt(TIMER_T *timer)
{
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.
*/
static __INLINE uint32_t TIMER_GetIntFlag(TIMER_T *timer)
{
return ((timer->INTSTS & TIMER_INTSTS_TIF_Msk) ? 1 : 0);
}
/**
* @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.
*/
static __INLINE void TIMER_ClearIntFlag(TIMER_T *timer)
{
timer->INTSTS = (timer->INTSTS & ~TIMER_INTSTS_TWKF_Msk) | 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.
*/
static __INLINE uint32_t TIMER_GetCaptureIntFlag(TIMER_T *timer)
{
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.
*/
static __INLINE void TIMER_ClearCaptureIntFlag(TIMER_T *timer)
{
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.
*/
static __INLINE uint32_t TIMER_GetWakeupFlag(TIMER_T *timer)
{
return (timer->INTSTS & TIMER_INTSTS_TWKF_Msk ? 1 : 0);
}
/**
* @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.
*/
static __INLINE void TIMER_ClearWakeupFlag(TIMER_T *timer)
{
timer->INTSTS = (timer->INTSTS & ~TIMER_INTSTS_TIF_Msk) | 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.
*/
static __INLINE uint32_t TIMER_GetCaptureData(TIMER_T *timer)
{
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.
*/
static __INLINE uint32_t TIMER_GetCounter(TIMER_T *timer)
{
return timer->CNT;
}
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);
/*@}*/ /* end of group TIMER_EXPORTED_FUNCTIONS */
/*@}*/ /* end of group TIMER_Driver */
/*@}*/ /* end of group Standard_Driver */
#ifdef __cplusplus
}
#endif
#endif //__TIMER_H__
/*** (C) COPYRIGHT 2013~2015 Nuvoton Technology Corp. ***/