Diff: targets/TARGET_NUVOTON/TARGET_M451/device/StdDriver/m451_timer.h

Revision:

149:156823d33999

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_NUVOTON/TARGET_M451/device/StdDriver/m451_timer.h	Fri Oct 28 11:17:30 2016 +0100
@@ -0,0 +1,415 @@
+/**************************************************************************//**
+ * @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. ***/