313 lines
10 KiB
C
313 lines
10 KiB
C
/**************************************************************************//**
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* @file timer.h
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* @version V3.00
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* $Revision: 6 $
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* $Date: 14/01/28 10:49a $
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* @brief M051 series Timer driver header file
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*
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* @note
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* Copyright (C) 2013 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 M051_Device_Driver M051 Device Driver
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@{
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*/
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/** @addtogroup M051_TIMER_Driver TIMER Driver
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@{
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*/
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/** @addtogroup M051_TIMER_EXPORTED_CONSTANTS TIMER Exported Constants
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@{
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*/
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#define TIMER_ONESHOT_MODE (0UL << TIMER_TCSR_MODE_Pos) /*!< Timer working in one-shot mode */
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#define TIMER_PERIODIC_MODE (1UL << TIMER_TCSR_MODE_Pos) /*!< Timer working in periodic mode */
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#define TIMER_TOGGLE_MODE (2UL << TIMER_TCSR_MODE_Pos) /*!< Timer working in toggle-output mode */
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#define TIMER_CONTINUOUS_MODE (3UL << TIMER_TCSR_MODE_Pos) /*!< Timer working in continuous counting mode */
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#define TIMER_CONTINUOUS_MODE (3UL << TIMER_TCSR_MODE_Pos) /*!< Timer working in continuous counting mode */
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#define TIMER_CAPTURE_FROM_TXEX_PIN (0UL << TIMER_TCSR_CAP_SRC_Pos) /*!< Timer capture source is from TxEX pin */
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#define TIMER_CAPTURE_FROM_INTERNAL_ACMP (1UL << TIMER_TCSR_CAP_SRC_Pos) /*!< Timer capture source is from internal ACMP output signal */
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#define TIMER_TOUT_PIN_FROM_TX_PIN (0UL << TIMER_TCSR_TOUT_SEL_Pos) /*!< Timer toggle-output pin is from Tx pin */
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#define TIMER_TOUT_PIN_FROM_TXEX_PIN (1UL << TIMER_TCSR_TOUT_SEL_Pos) /*!< Timer toggle-output pin is from TxEX pin */
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#define TIMER_CAPTURE_FREE_COUNTING_MODE (0UL << TIMER_TEXCON_RSTCAPSEL_Pos) /*!< Timer capture event to get timer counter value */
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#define TIMER_CAPTURE_COUNTER_RESET_MODE (1UL << TIMER_TEXCON_RSTCAPSEL_Pos) /*!< Timer capture event to reset timer counter */
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#define TIMER_CAPTURE_FALLING_EDGE (0UL << TIMER_TEXCON_TEX_EDGE_Pos) /*!< Falling edge trigger timer capture */
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#define TIMER_CAPTURE_RISING_EDGE (1UL << TIMER_TEXCON_TEX_EDGE_Pos) /*!< Rising edge trigger timer capture */
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#define TIMER_CAPTURE_FALLING_AND_RISING_EDGE (2UL << TIMER_TEXCON_TEX_EDGE_Pos) /*!< Both falling and rising edge trigger timer capture */
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#define TIMER_COUNTER_FALLING_EDGE (0UL << TIMER_TEXCON_TX_PHASE_Pos) /*!< Counter increase on falling edge */
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#define TIMER_COUNTER_RISING_EDGE (1UL << TIMER_TEXCON_TX_PHASE_Pos) /*!< Counter increase on rising edge */
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/*@}*/ /* end of group M051_TIMER_EXPORTED_CONSTANTS */
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/** @addtogroup M051_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 Compare Value
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*
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* @param[in] timer The base address of 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 new Timer compared value.
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*/
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#define TIMER_SET_CMP_VALUE(timer, u32Value) ((timer)->TCMPR = (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 base address of 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 new Timer prescale value.
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* @note Clock input is divided by (prescale + 1) before it is fed into timer.
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*/
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#define TIMER_SET_PRESCALE_VALUE(timer, u32Value) ((timer)->TCSR = ((timer)->TCSR & ~TIMER_TCSR_PRESCALE_Msk) | (u32Value))
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/**
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* @brief Check specify Timer Status
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*
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* @return Timer counter is activate or inactivate
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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 is inactive or active.
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*/
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#define TIMER_IS_ACTIVE(timer) ((timer)->TCSR & TIMER_TCSR_CACT_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 base address of 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_TX_PIN
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* - \ref TIMER_TOUT_PIN_FROM_TXEX_PIN
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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.
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*/
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#define TIMER_SELECT_TOUT_PIN(timer, u32ToutSel) ((timer)->TCSR = ((timer)->TCSR & ~TIMER_TCSR_TOUT_SEL_Msk) | (u32ToutSel))
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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->TCSR |= TIMER_TCSR_CEN_Msk;
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}
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/**
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* @details This function is used to stop 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->TCSR &= ~TIMER_TCSR_CEN_Msk;
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}
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/**
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* @details This function is used to enable the Timer wake-up function.
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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->TCSR |= TIMER_TCSR_WAKE_EN_Msk;
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}
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/**
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* @details This function is used to disable the Timer 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->TCSR &= ~TIMER_TCSR_WAKE_EN_Msk;
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}
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/**
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* @details This function is used to enable the capture pin detection de-bounce function.
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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->TEXCON |= TIMER_TEXCON_TEXDB_Msk;
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}
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/**
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* @details This function is used to disable the capture pin detection de-bounce function.
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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->TEXCON &= ~TIMER_TEXCON_TEXDB_Msk;
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}
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/**
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* @details This function is used to enable the counter pin detection de-bounce function.
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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->TEXCON |= TIMER_TEXCON_TCDB_Msk;
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}
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/**
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* @details This function is used to disable the counter pin detection de-bounce function.
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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->TEXCON &= ~TIMER_TEXCON_TCDB_Msk;
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}
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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->TCSR |= TIMER_TCSR_IE_Msk;
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}
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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->TCSR &= ~TIMER_TCSR_IE_Msk;
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}
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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->TEXCON |= TIMER_TEXCON_TEXIEN_Msk;
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}
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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->TEXCON &= ~TIMER_TEXCON_TEXIEN_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 base address of Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @return Timer time-out interrupt occurred or not
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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->TISR & TIMER_TISR_TIF_Msk ? 1 : 0);
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}
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/**
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* @details This function clears Timer time-out interrupt flag.
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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->TISR = TIMER_TISR_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 base address of Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @return Timer capture interrupt occurred or not
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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 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->TEXISR;
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}
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/**
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* @details This function clears Timer capture interrupt flag.
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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->TEXISR = TIMER_TEXISR_TEXIF_Msk;
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}
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/**
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* @brief Get Timer Wakeup Flag
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*
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* @param[in] timer The base address of Timer module. It could be TIMER0, TIMER1, TIMER2, TIMER3.
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*
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* @return Timer has waked up system or not
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* @retval 0 Timer did not wake up system
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* @retval 1 Timer Timer wake up system
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*
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* @details This function indicates Timer 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->TISR & TIMER_TISR_TWF_Msk ? 1 : 0);
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}
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/**
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* @details This function clears the Timer wake-up system flag.
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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->TISR = TIMER_TISR_TWF_Msk;
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}
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/**
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* @details This function reports the current timer capture data 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->TCAP;
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}
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/**
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* @details This function reports the current 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->TDR;
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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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/*@}*/ /* end of group M051_TIMER_EXPORTED_FUNCTIONS */
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/*@}*/ /* end of group M051_TIMER_Driver */
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/*@}*/ /* end of group M051_Device_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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/*** (C) COPYRIGHT 2013 Nuvoton Technology Corp. ***/
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