Functions

General Description

Functions
__STATIC_INLINE void	Cy_TCPWM_Enable_Multiple (TCPWM_Type *base, uint32_t counters)
	Enables the counter(s) in the TCPWM block. More...
__STATIC_INLINE void	Cy_TCPWM_Disable_Multiple (TCPWM_Type *base, uint32_t counters)
	Disables the counter(s) in the TCPWM block. More...
__STATIC_INLINE void	Cy_TCPWM_TriggerStart (TCPWM_Type *base, uint32_t counters)
	Triggers a software start on the selected TCPWMs. More...
__STATIC_INLINE void	Cy_TCPWM_TriggerReloadOrIndex (TCPWM_Type *base, uint32_t counters)
	Triggers a software reload event (or index in QuadDec mode). More...
__STATIC_INLINE void	Cy_TCPWM_TriggerStopOrKill (TCPWM_Type *base, uint32_t counters)
	Triggers a stop in the Timer Counter mode, or a kill in the PWM mode. More...
__STATIC_INLINE void	Cy_TCPWM_TriggerCaptureOrSwap (TCPWM_Type *base, uint32_t counters)
	Triggers a Capture in the Timer Counter mode, and a Swap in the PWM mode. More...
__STATIC_INLINE uint32_t	Cy_TCPWM_GetInterruptStatus (TCPWM_Type const *base, uint32_t cntNum)
	Returns which event triggered the interrupt. More...
__STATIC_INLINE void	Cy_TCPWM_ClearInterrupt (TCPWM_Type *base, uint32_t cntNum, uint32_t source)
	Clears Active Interrupt Source. More...
__STATIC_INLINE void	Cy_TCPWM_SetInterrupt (TCPWM_Type *base, uint32_t cntNum, uint32_t source)
	Triggers an interrupt via a software write. More...
__STATIC_INLINE void	Cy_TCPWM_SetInterruptMask (TCPWM_Type *base, uint32_t cntNum, uint32_t mask)
	Sets an interrupt mask. More...
__STATIC_INLINE uint32_t	Cy_TCPWM_GetInterruptMask (TCPWM_Type const *base, uint32_t cntNum)
	Returns the interrupt mask. More...
__STATIC_INLINE uint32_t	Cy_TCPWM_GetInterruptStatusMasked (TCPWM_Type const *base, uint32_t cntNum)
	Returns which masked interrupt triggered the interrupt. More...

Function Documentation

Cy_TCPWM_Enable_Multiple()

__STATIC_INLINE void Cy_TCPWM_Enable_Multiple	(	TCPWM_Type *	base,
		uint32_t	counters
	)

Enables the counter(s) in the TCPWM block.

Multiple blocks can be started simultaneously.

Parameters

base	The pointer to a TCPWM instance.
counters	A bit field representing each counter in the TCPWM block.

Function Usage

    /* Scenario: there is a need to enable counters #1 (index = 1), #5 (index = 5)
     * and #6 (index = 6) in the TCPWM block.
     * Multiple counters will be enabled simultaneously using
     * MY_TCPWM_CNT_MULT_MASK (multiple bit masks ORed together).
     */
    #define MY_TCPWM_CNT_1          (1UL)
    #define MY_TCPWM_CNT_5          (5UL)
    #define MY_TCPWM_CNT_6          (6UL)
    #define MY_TCPWM_CNT_MULT_MASK  (uint32_t)((1UL << MY_TCPWM_CNT_1) |\
                                               (1UL << MY_TCPWM_CNT_5) |\
                                               (1UL << MY_TCPWM_CNT_6))

    Cy_TCPWM_Enable_Multiple(TCPWM, MY_TCPWM_CNT_MULT_MASK);

    /* Scenario: These counters are configured to generate signals that have a phase
     * dependency to each other. These must all be enabled at the same time
     * to preserve this phase relationship.
     */
    Cy_TCPWM_TriggerStart(TCPWM, MY_TCPWM_CNT_MULT_MASK);

Cy_TCPWM_Disable_Multiple()

__STATIC_INLINE void Cy_TCPWM_Disable_Multiple	(	TCPWM_Type *	base,
		uint32_t	counters
	)

Disables the counter(s) in the TCPWM block.

Multiple TCPWM can be disabled simultaneously.

Parameters

base	The pointer to a TCPWM instance.
counters	A bit field representing each counter in the TCPWM block.

Function Usage

    /* Scenario: there is a need to disable counters #1, #5 and #6 in the TCPWM
     * block.
     */
    #define MY_TCPWM_CNT_1          (1UL)
    #define MY_TCPWM_CNT_5          (5UL)
    #define MY_TCPWM_CNT_6          (6UL)
    #define MY_TCPWM_CNT_MULT_MASK  (uint32_t)((1UL << MY_TCPWM_CNT_1) |\
                                               (1UL << MY_TCPWM_CNT_5) |\
                                               (1UL << MY_TCPWM_CNT_6))

    Cy_TCPWM_Disable_Multiple(TCPWM, MY_TCPWM_CNT_MULT_MASK);

Cy_TCPWM_TriggerStart()

__STATIC_INLINE void Cy_TCPWM_TriggerStart	(	TCPWM_Type *	base,
		uint32_t	counters
	)

Triggers a software start on the selected TCPWMs.

Parameters

base	The pointer to a TCPWM instance.
counters	A bit field representing each counter in the TCPWM block.

Function Usage

    /* Scenario: there is a need to enable counters #1 (index = 1), #5 (index = 5)
     * and #6 (index = 6) in the TCPWM block.
     * Multiple counters will be enabled simultaneously using
     * MY_TCPWM_CNT_MULT_MASK (multiple bit masks ORed together).
     */
    #define MY_TCPWM_CNT_1          (1UL)
    #define MY_TCPWM_CNT_5          (5UL)
    #define MY_TCPWM_CNT_6          (6UL)
    #define MY_TCPWM_CNT_MULT_MASK  (uint32_t)((1UL << MY_TCPWM_CNT_1) |\
                                               (1UL << MY_TCPWM_CNT_5) |\
                                               (1UL << MY_TCPWM_CNT_6))

    Cy_TCPWM_Enable_Multiple(TCPWM, MY_TCPWM_CNT_MULT_MASK);

    /* Scenario: These counters are configured to generate signals that have a phase
     * dependency to each other. These must all be enabled at the same time
     * to preserve this phase relationship.
     */
    Cy_TCPWM_TriggerStart(TCPWM, MY_TCPWM_CNT_MULT_MASK);

Cy_TCPWM_TriggerReloadOrIndex()

__STATIC_INLINE void Cy_TCPWM_TriggerReloadOrIndex	(	TCPWM_Type *	base,
		uint32_t	counters
	)

Triggers a software reload event (or index in QuadDec mode).

Parameters

base	The pointer to a TCPWM instance
counters	A bit field representing each counter in the TCPWM block.

Function Usage

    /* Scenario: there is a need to trigger a software reload event for
     * the first (index = 0) counter of the TCPWM block.
     * This causes the reloading of the counter register with the period value.
     */
    #define MY_TCPWM_CNT_NUM   (0UL)
    #define MY_TCPWM_CNT_MASK  (1UL << MY_TCPWM_CNT_NUM)

    Cy_TCPWM_TriggerReloadOrIndex(TCPWM, MY_TCPWM_CNT_MASK);

Cy_TCPWM_TriggerStopOrKill()

__STATIC_INLINE void Cy_TCPWM_TriggerStopOrKill	(	TCPWM_Type *	base,
		uint32_t	counters
	)

Triggers a stop in the Timer Counter mode, or a kill in the PWM mode.

Parameters

base	The pointer to a TCPWM instance.
counters	A bit field representing each counter in the TCPWM block.

Function Usage

    /* Scenario: there is a need to kill 3 PWM signals
     * (PWM runs in \ref CY_TCPWM_PWM_STOP_ON_KILL mode) at the same time
     * as they are all used e.g. to drive an RGB LED. So there will be a clean
     * transition from white light to no light.
     */
    #define MY_TCPWM_CNT_1          (1UL)
    #define MY_TCPWM_CNT_5          (5UL)
    #define MY_TCPWM_CNT_6          (6UL)
    #define MY_TCPWM_CNT_MULT_MASK  (uint32_t)((1UL << MY_TCPWM_CNT_1) |\
                                               (1UL << MY_TCPWM_CNT_5) |\
                                               (1UL << MY_TCPWM_CNT_6))
    Cy_TCPWM_TriggerStopOrKill(TCPWM, MY_TCPWM_CNT_MULT_MASK);
    /* Then continue to operate from the point they have been stopped. */
    Cy_TCPWM_TriggerStart(TCPWM, MY_TCPWM_CNT_MULT_MASK);

Cy_TCPWM_TriggerCaptureOrSwap()

__STATIC_INLINE void Cy_TCPWM_TriggerCaptureOrSwap	(	TCPWM_Type *	base,
		uint32_t	counters
	)

Triggers a Capture in the Timer Counter mode, and a Swap in the PWM mode.

Parameters

base	The pointer to a TCPWM instance.
counters	A bit field representing each counter in the TCPWM block.

Function Usage

    /* Scenario: there is a need to trigger software capture events for
     * the first (index = 0) counter of the TCPWM block.
     * Note: the counter should run in the Capture Mode.
     */
    #define MY_TCPWM_CNT_NUM   (0UL)
    #define MY_TCPWM_CNT_MASK  (1UL << MY_TCPWM_CNT_NUM)

    Cy_TCPWM_TriggerCaptureOrSwap(TCPWM, MY_TCPWM_CNT_MASK);
    /* after some time */
    Cy_TCPWM_TriggerCaptureOrSwap(TCPWM, MY_TCPWM_CNT_MASK);

    /* Now we can get the latest captured value
     * (captured during the second call of Cy_TCPWM_TriggerCaptureOrSwap)
     */
    uint32_t capture = Cy_TCPWM_Counter_GetCapture(TCPWM, MY_TCPWM_CNT_NUM);
    /* Also the previous captured value
     * (captured during the first call of Cy_TCPWM_TriggerCaptureOrSwap)
     * is available by the next way
     */
    uint32_t captureBuf = Cy_TCPWM_Counter_GetCaptureBuf(TCPWM, MY_TCPWM_CNT_NUM);

Cy_TCPWM_GetInterruptStatus()

__STATIC_INLINE uint32_t Cy_TCPWM_GetInterruptStatus	(	TCPWM_Type const *	base,
		uint32_t	cntNum
	)

Returns which event triggered the interrupt.

Parameters

base	The pointer to a TCPWM instance.
cntNum	The Counter instance number in the selected TCPWM.

Returns

See Interrupt Sources

Function Usage

    /* Scenario: there is a need to check all the pending interrupts of
     * the first (index = 0) counter of the TCPWM block.
     */
    #define MY_TCPWM_CNT_NUM   (0UL)

    uint32_t interrupts = Cy_TCPWM_GetInterruptStatus(TCPWM, MY_TCPWM_CNT_NUM);
    /* Now the 'interrupts' contains all the currently pending interrupt masks */
    if(0UL != (CY_TCPWM_INT_ON_TC & interrupts))
    {
        /* There is a pending Terminal Count interrupt */
    }

Cy_TCPWM_ClearInterrupt()

__STATIC_INLINE void Cy_TCPWM_ClearInterrupt	(	TCPWM_Type *	base,
		uint32_t	cntNum,
		uint32_t	source
	)

Clears Active Interrupt Source.

Parameters

base	The pointer to a TCPWM instance.
cntNum	The Counter instance number in the selected TCPWM.
source	source to clear. See Interrupt Sources

Function Usage

    /* Scenario: inside the TCPWM interrupt handler for
     * the first (index = 0) counter of the TCPWM block.
     */
    #define MY_TCPWM_CNT_NUM   (0UL)

    /* Get all the enabled pending interrupts */
    uint32_t interrupts = Cy_TCPWM_GetInterruptStatusMasked(TCPWM, MY_TCPWM_CNT_NUM);

    if (0UL != (CY_TCPWM_INT_ON_TC & interrupts))
    {
        /* Handle the Terminal Count event */
    }

    if (0UL != (CY_TCPWM_INT_ON_CC & interrupts))
    {
        /* Handle the Compare/Capture event */
    }

    /* Clear the interrupt */
    Cy_TCPWM_ClearInterrupt(TCPWM, MY_TCPWM_CNT_NUM, interrupts);

Cy_TCPWM_SetInterrupt()

__STATIC_INLINE void Cy_TCPWM_SetInterrupt	(	TCPWM_Type *	base,
		uint32_t	cntNum,
		uint32_t	source
	)

Triggers an interrupt via a software write.

Parameters

base	The pointer to a TCPWM instance.
cntNum	The Counter instance number in the selected TCPWM.
source	The source to set an interrupt. See Interrupt Sources.

Function Usage

    /* Scenario: there is a need to set a terminal count interrupt by SW for
     * the first (index = 0) counter of the TCPWM block.
     */
    #define MY_TCPWM_CNT_NUM   (0UL)

    /* Check if the desired interrupt is enabled prior to triggering */
    if (0UL != (CY_TCPWM_INT_ON_TC & Cy_TCPWM_GetInterruptMask(TCPWM, MY_TCPWM_CNT_NUM)))
    {
        Cy_TCPWM_SetInterrupt(TCPWM, MY_TCPWM_CNT_NUM, CY_TCPWM_INT_ON_TC);
    }
    else
    {
        /* The terminal count interrupt is not enabled, so there is no sense to trigger it */
    }

Cy_TCPWM_SetInterruptMask()

__STATIC_INLINE void Cy_TCPWM_SetInterruptMask	(	TCPWM_Type *	base,
		uint32_t	cntNum,
		uint32_t	mask
	)

Sets an interrupt mask.

A 1 means that when the event occurs, it will cause an interrupt; a 0 means no interrupt will be triggered.

Parameters

base	The pointer to a TCPWM instance.
cntNum	The Counter instance number in the selected TCPWM.
mask	. See Interrupt Sources

Function Usage

    /* Scenario: there is a need to set the Compare/Capture interrupt mask for
     * the first (index = 0) counter of the TCPWM block.
     */
    #define MY_TCPWM_CNT_NUM   (0UL)

    Cy_TCPWM_SetInterruptMask(TCPWM, MY_TCPWM_CNT_NUM,
        CY_TCPWM_INT_ON_CC | Cy_TCPWM_GetInterruptMask(TCPWM, MY_TCPWM_CNT_NUM));

Cy_TCPWM_GetInterruptMask()

__STATIC_INLINE uint32_t Cy_TCPWM_GetInterruptMask	(	TCPWM_Type const *	base,
		uint32_t	cntNum
	)

Returns the interrupt mask.

Parameters

base	The pointer to a TCPWM instance.
cntNum	The Counter instance number in the selected TCPWM.

Returns

Interrupt Mask. See Interrupt Sources

Function Usage

    /* Scenario: there is a need to set the Compare/Capture interrupt mask for
     * the first (index = 0) counter of the TCPWM block.
     */
    #define MY_TCPWM_CNT_NUM   (0UL)

    Cy_TCPWM_SetInterruptMask(TCPWM, MY_TCPWM_CNT_NUM,
        CY_TCPWM_INT_ON_CC | Cy_TCPWM_GetInterruptMask(TCPWM, MY_TCPWM_CNT_NUM));

Cy_TCPWM_GetInterruptStatusMasked()

__STATIC_INLINE uint32_t Cy_TCPWM_GetInterruptStatusMasked	(	TCPWM_Type const *	base,
		uint32_t	cntNum
	)

Returns which masked interrupt triggered the interrupt.

Parameters

base	The pointer to a TCPWM instance.
cntNum	The Counter instance number in the selected TCPWM.

Returns

Interrupt Mask. See Interrupt Sources

Function Usage

    /* Scenario: inside the TCPWM interrupt handler for
     * the first (index = 0) counter of the TCPWM block.
     */
    #define MY_TCPWM_CNT_NUM   (0UL)

    /* Get all the enabled pending interrupts */
    uint32_t interrupts = Cy_TCPWM_GetInterruptStatusMasked(TCPWM, MY_TCPWM_CNT_NUM);

    if (0UL != (CY_TCPWM_INT_ON_TC & interrupts))
    {
        /* Handle the Terminal Count event */
    }

    if (0UL != (CY_TCPWM_INT_ON_CC & interrupts))
    {
        /* Handle the Compare/Capture event */
    }

    /* Clear the interrupt */
    Cy_TCPWM_ClearInterrupt(TCPWM, MY_TCPWM_CNT_NUM, interrupts);