Qtmr

Data Structures
struct	_qtmr_config
	Quad Timer config structure. More...

Macros
#define	TMR_CSCTRL_OFLAG_MASK   (0x100UL)
#define	TMR_CSCTRL_OFLAG_SHIFT   (8UL)

Functions
status_t	QTMR_SetupPwm (TMR_Type *base, qtmr_channel_selection_t channel, uint32_t pwmFreqHz, uint8_t dutyCyclePercent, bool outputPolarity, uint32_t srcClock_Hz)
	Sets up Quad timer module for PWM signal output.
void	QTMR_SetupInputCapture (TMR_Type *base, qtmr_channel_selection_t channel, qtmr_input_source_t capturePin, bool inputPolarity, bool reloadOnCapture, qtmr_input_capture_edge_t captureMode)
	Allows the user to count the source clock cycles until a capture event arrives.

Driver version
enum	_qtmr_primary_count_source {   kQTMR_ClockCounter0InputPin = 0 , kQTMR_ClockCounter1InputPin , kQTMR_ClockCounter2InputPin , kQTMR_ClockCounter3InputPin ,   kQTMR_ClockCounter0Output , kQTMR_ClockCounter1Output , kQTMR_ClockCounter2Output , kQTMR_ClockCounter3Output ,   kQTMR_ClockDivide_1 , kQTMR_ClockDivide_2 , kQTMR_ClockDivide_4 , kQTMR_ClockDivide_8 ,   kQTMR_ClockDivide_16 , kQTMR_ClockDivide_32 , kQTMR_ClockDivide_64 , kQTMR_ClockDivide_128 }
	Quad Timer primary clock source selection. More...
enum	_qtmr_input_source { kQTMR_Counter0InputPin = 0 , kQTMR_Counter1InputPin , kQTMR_Counter2InputPin , kQTMR_Counter3InputPin }
	Quad Timer input sources selection. More...
enum	_qtmr_counting_mode {   kQTMR_NoOperation = 0 , kQTMR_PriSrcRiseEdge , kQTMR_PriSrcRiseAndFallEdge , kQTMR_PriSrcRiseEdgeSecInpHigh ,   kQTMR_QuadCountMode , kQTMR_PriSrcRiseEdgeSecDir , kQTMR_SecSrcTrigPriCnt , kQTMR_CascadeCount }
	Quad Timer counting mode selection. More...
enum	_qtmr_pwm_out_state { kQTMR_PwmLow = 0 , kQTMR_PwmHigh }
	Quad Timer PWM output state. More...
enum	_qtmr_output_mode {   kQTMR_AssertWhenCountActive = 0 , kQTMR_ClearOnCompare , kQTMR_SetOnCompare , kQTMR_ToggleOnCompare ,   kQTMR_ToggleOnAltCompareReg , kQTMR_SetOnCompareClearOnSecSrcInp , kQTMR_SetOnCompareClearOnCountRoll , kQTMR_EnableGateClock }
	Quad Timer output mode selection. More...
enum	_qtmr_input_capture_edge { kQTMR_NoCapture = 0 , kQTMR_RisingEdge , kQTMR_FallingEdge , kQTMR_RisingAndFallingEdge }
	Quad Timer input capture edge mode, rising edge, or falling edge. More...
enum	_qtmr_preload_control { kQTMR_NoPreload = 0 , kQTMR_LoadOnComp1 , kQTMR_LoadOnComp2 }
	Quad Timer input capture edge mode, rising edge, or falling edge. More...
enum	_qtmr_debug_action { kQTMR_RunNormalInDebug = 0U , kQTMR_HaltCounter , kQTMR_ForceOutToZero , kQTMR_HaltCountForceOutZero }
	List of Quad Timer run options when in Debug mode. More...
enum	_qtmr_interrupt_enable {   kQTMR_CompareInterruptEnable = (1U << 0) , kQTMR_Compare1InterruptEnable = (1U << 1) , kQTMR_Compare2InterruptEnable = (1U << 2) , kQTMR_OverflowInterruptEnable = (1U << 3) ,   kQTMR_EdgeInterruptEnable = (1U << 4) }
	List of Quad Timer interrupts. More...
enum	_qtmr_status_flags {   kQTMR_CompareFlag = (1U << 0) , kQTMR_Compare1Flag = (1U << 1) , kQTMR_Compare2Flag = (1U << 2) , kQTMR_OverflowFlag = (1U << 3) ,   kQTMR_EdgeFlag = (1U << 4) }
	List of Quad Timer flags. More...
enum	_qtmr_channel_selection { kQTMR_Channel_0 = 0U , kQTMR_Channel_1 , kQTMR_Channel_2 , kQTMR_Channel_3 }
	List of channel selection. More...
enum	_qtmr_dma_enable { kQTMR_InputEdgeFlagDmaEnable = (1U << 0) , kQTMR_ComparatorPreload1DmaEnable = (1U << 1) , kQTMR_ComparatorPreload2DmaEnable = (1U << 2) }
	List of Quad Timer DMA enable. More...
typedef enum _qtmr_primary_count_source	qtmr_primary_count_source_t
	Quad Timer primary clock source selection.
typedef enum _qtmr_input_source	qtmr_input_source_t
	Quad Timer input sources selection.
typedef enum _qtmr_counting_mode	qtmr_counting_mode_t
	Quad Timer counting mode selection.
typedef enum _qtmr_pwm_out_state	qtmr_pwm_out_state_t
	Quad Timer PWM output state.
typedef enum _qtmr_output_mode	qtmr_output_mode_t
	Quad Timer output mode selection.
typedef enum _qtmr_input_capture_edge	qtmr_input_capture_edge_t
	Quad Timer input capture edge mode, rising edge, or falling edge.
typedef enum _qtmr_preload_control	qtmr_preload_control_t
	Quad Timer input capture edge mode, rising edge, or falling edge.
typedef enum _qtmr_debug_action	qtmr_debug_action_t
	List of Quad Timer run options when in Debug mode.
typedef enum _qtmr_interrupt_enable	qtmr_interrupt_enable_t
	List of Quad Timer interrupts.
typedef enum _qtmr_status_flags	qtmr_status_flags_t
	List of Quad Timer flags.
typedef enum _qtmr_channel_selection	qtmr_channel_selection_t
	List of channel selection.
typedef enum _qtmr_dma_enable	qtmr_dma_enable_t
	List of Quad Timer DMA enable.
typedef struct _qtmr_config	qtmr_config_t
	Quad Timer config structure.
#define	FSL_QTMR_DRIVER_VERSION   (MAKE_VERSION(2, 2, 1))

Initialization and deinitialization
void	QTMR_Init (TMR_Type *base, qtmr_channel_selection_t channel, const qtmr_config_t *config)
	Ungates the Quad Timer clock and configures the peripheral for basic operation.
void	QTMR_Deinit (TMR_Type *base, qtmr_channel_selection_t channel)
	Stops the counter and gates the Quad Timer clock.
void	QTMR_GetDefaultConfig (qtmr_config_t *config)
	Fill in the Quad Timer config struct with the default settings.

Interrupt Interface
void	QTMR_EnableInterrupts (TMR_Type *base, qtmr_channel_selection_t channel, uint32_t mask)
	Enables the selected Quad Timer interrupts.
void	QTMR_DisableInterrupts (TMR_Type *base, qtmr_channel_selection_t channel, uint32_t mask)
	Disables the selected Quad Timer interrupts.
uint32_t	QTMR_GetEnabledInterrupts (TMR_Type *base, qtmr_channel_selection_t channel)
	Gets the enabled Quad Timer interrupts.

Status Interface
uint32_t	QTMR_GetStatus (TMR_Type *base, qtmr_channel_selection_t channel)
	Gets the Quad Timer status flags.
void	QTMR_ClearStatusFlags (TMR_Type *base, qtmr_channel_selection_t channel, uint32_t mask)
	Clears the Quad Timer status flags.

Read and Write the timer period
void	QTMR_SetTimerPeriod (TMR_Type *base, qtmr_channel_selection_t channel, uint16_t ticks)
	Sets the timer period in ticks.
void	QTMR_SetCompareValue (TMR_Type *base, qtmr_channel_selection_t channel, uint16_t ticks)
	Set compare value.

Enable and Disable the Quad Timer DMA
void	QTMR_EnableDma (TMR_Type *base, qtmr_channel_selection_t channel, uint32_t mask)
	Enable the Quad Timer DMA.
void	QTMR_DisableDma (TMR_Type *base, qtmr_channel_selection_t channel, uint32_t mask)
	Disable the Quad Timer DMA.
void	QTMR_SetPwmOutputToIdle (TMR_Type *base, qtmr_channel_selection_t channel, bool idleStatus)
	Set PWM output in idle status (high or low).
uint8_t	QTMR_GetPwmChannelStatus (TMR_Type *base, qtmr_channel_selection_t channel)
	Get the PWM channel dutycycle value.
void	QTMR_SetPwmClockMode (TMR_Type *base, qtmr_channel_selection_t channel, qtmr_primary_count_source_t prescaler)
	This function set the value of the prescaler on QTimer channels.

Detailed Description

Macro Definition Documentation

FSL_QTMR_DRIVER_VERSION

#define FSL_QTMR_DRIVER_VERSION   (MAKE_VERSION(2, 2, 1))

Version

Typedef Documentation

qtmr_config_t

typedef struct _qtmr_config qtmr_config_t

Quad Timer config structure.

This structure holds the configuration settings for the Quad Timer peripheral. To initialize this structure to reasonable defaults, call the QTMR_GetDefaultConfig() function and pass a pointer to your config structure instance.

The config struct can be made const so it resides in flash

Enumeration Type Documentation

_qtmr_channel_selection

enum _qtmr_channel_selection

List of channel selection.

Enumerator
kQTMR_Channel_0	TMR Channel 0
kQTMR_Channel_1	TMR Channel 1
kQTMR_Channel_2	TMR Channel 2
kQTMR_Channel_3	TMR Channel 3

_qtmr_counting_mode

enum _qtmr_counting_mode

Quad Timer counting mode selection.

Enumerator
kQTMR_NoOperation	No operation
kQTMR_PriSrcRiseEdge	Count rising edges of primary source
kQTMR_PriSrcRiseAndFallEdge	Count rising and falling edges of primary source
kQTMR_PriSrcRiseEdgeSecInpHigh	Count rise edges of pri SRC while sec inp high active
kQTMR_QuadCountMode	Quadrature count mode, uses pri and sec sources
kQTMR_PriSrcRiseEdgeSecDir	Count rising edges of pri SRC; sec SRC specifies dir
kQTMR_SecSrcTrigPriCnt	Edge of sec SRC trigger primary count until compare
kQTMR_CascadeCount	Cascaded count mode (up/down)

_qtmr_debug_action

enum _qtmr_debug_action

List of Quad Timer run options when in Debug mode.

Enumerator
kQTMR_RunNormalInDebug	Continue with normal operation
kQTMR_HaltCounter	Halt counter
kQTMR_ForceOutToZero	Force output to logic 0
kQTMR_HaltCountForceOutZero	Halt counter and force output to logic 0

_qtmr_dma_enable

enum _qtmr_dma_enable

List of Quad Timer DMA enable.

Enumerator
kQTMR_InputEdgeFlagDmaEnable	Input Edge Flag DMA Enable.
kQTMR_ComparatorPreload1DmaEnable	Comparator Preload Register 1 DMA Enable.
kQTMR_ComparatorPreload2DmaEnable	Comparator Preload Register 2 DMA Enable.

_qtmr_input_capture_edge

enum _qtmr_input_capture_edge

Quad Timer input capture edge mode, rising edge, or falling edge.

Enumerator
kQTMR_NoCapture	Capture is disabled
kQTMR_RisingEdge	Capture on rising edge (IPS=0) or falling edge (IPS=1)
kQTMR_FallingEdge	Capture on falling edge (IPS=0) or rising edge (IPS=1)
kQTMR_RisingAndFallingEdge	Capture on both edges

_qtmr_input_source

enum _qtmr_input_source

Quad Timer input sources selection.

Enumerator
kQTMR_Counter0InputPin	Use counter 0 input pin
kQTMR_Counter1InputPin	Use counter 1 input pin
kQTMR_Counter2InputPin	Use counter 2 input pin
kQTMR_Counter3InputPin	Use counter 3 input pin

_qtmr_interrupt_enable

enum _qtmr_interrupt_enable

List of Quad Timer interrupts.

Enumerator
kQTMR_CompareInterruptEnable	Compare interrupt.
kQTMR_Compare1InterruptEnable	Compare 1 interrupt.
kQTMR_Compare2InterruptEnable	Compare 2 interrupt.
kQTMR_OverflowInterruptEnable	Timer overflow interrupt.
kQTMR_EdgeInterruptEnable	Input edge interrupt.

_qtmr_output_mode

enum _qtmr_output_mode

Quad Timer output mode selection.

Enumerator
kQTMR_AssertWhenCountActive	Assert OFLAG while counter is active
kQTMR_ClearOnCompare	Clear OFLAG on successful compare
kQTMR_SetOnCompare	Set OFLAG on successful compare
kQTMR_ToggleOnCompare	Toggle OFLAG on successful compare
kQTMR_ToggleOnAltCompareReg	Toggle OFLAG using alternating compare registers
kQTMR_SetOnCompareClearOnSecSrcInp	Set OFLAG on compare, clear on sec SRC input edge
kQTMR_SetOnCompareClearOnCountRoll	Set OFLAG on compare, clear on counter rollover
kQTMR_EnableGateClock	Enable gated clock output while count is active

_qtmr_preload_control

enum _qtmr_preload_control

Quad Timer input capture edge mode, rising edge, or falling edge.

Enumerator
kQTMR_NoPreload	Never preload
kQTMR_LoadOnComp1	Load upon successful compare with value in COMP1
kQTMR_LoadOnComp2	Load upon successful compare with value in COMP2

_qtmr_primary_count_source

enum _qtmr_primary_count_source

Quad Timer primary clock source selection.

Enumerator
kQTMR_ClockCounter0InputPin	Use counter 0 input pin
kQTMR_ClockCounter1InputPin	Use counter 1 input pin
kQTMR_ClockCounter2InputPin	Use counter 2 input pin
kQTMR_ClockCounter3InputPin	Use counter 3 input pin
kQTMR_ClockCounter0Output	Use counter 0 output
kQTMR_ClockCounter1Output	Use counter 1 output
kQTMR_ClockCounter2Output	Use counter 2 output
kQTMR_ClockCounter3Output	Use counter 3 output
kQTMR_ClockDivide_1	IP bus clock divide by 1 prescaler
kQTMR_ClockDivide_2	IP bus clock divide by 2 prescaler
kQTMR_ClockDivide_4	IP bus clock divide by 4 prescaler
kQTMR_ClockDivide_8	IP bus clock divide by 8 prescaler
kQTMR_ClockDivide_16	IP bus clock divide by 16 prescaler
kQTMR_ClockDivide_32	IP bus clock divide by 32 prescaler
kQTMR_ClockDivide_64	IP bus clock divide by 64 prescaler
kQTMR_ClockDivide_128	IP bus clock divide by 128 prescaler

_qtmr_pwm_out_state

enum _qtmr_pwm_out_state

Quad Timer PWM output state.

Enumerator
kQTMR_PwmLow	The output state of PWM channel is low
kQTMR_PwmHigh	The output state of PWM channel is low

_qtmr_status_flags

enum _qtmr_status_flags

List of Quad Timer flags.

Enumerator
kQTMR_CompareFlag	Compare flag
kQTMR_Compare1Flag	Compare 1 flag
kQTMR_Compare2Flag	Compare 2 flag
kQTMR_OverflowFlag	Timer overflow flag
kQTMR_EdgeFlag	Input edge flag

Function Documentation

QTMR_ClearStatusFlags()

void QTMR_ClearStatusFlags	(	TMR_Type *	base,
		qtmr_channel_selection_t	channel,
		uint32_t	mask
	)

Clears the Quad Timer status flags.

Parameters

base	Quad Timer peripheral base address
channel	Quad Timer channel number
mask	The status flags to clear. This is a logical OR of members of the enumeration qtmr_status_flags_t

brief Clears the Quad Timer status flags.

param base Quad Timer peripheral base address param channel Quad Timer channel number param mask The status flags to clear. This is a logical OR of members of the enumeration qtmr_status_flags_t

QTMR_Deinit()

void QTMR_Deinit	(	TMR_Type *	base,
		qtmr_channel_selection_t	channel
	)

Stops the counter and gates the Quad Timer clock.

Parameters

base	Quad Timer peripheral base address
channel	Quad Timer channel number

brief Stops the counter and gates the Quad Timer clock

param base Quad Timer peripheral base address param channel Quad Timer channel number

QTMR_DisableDma()

void QTMR_DisableDma	(	TMR_Type *	base,
		qtmr_channel_selection_t	channel,
		uint32_t	mask
	)

Disable the Quad Timer DMA.

Parameters

base	Quad Timer peripheral base address
channel	Quad Timer channel number
mask	The DMA to enable. This is a logical OR of members of the enumeration qtmr_dma_enable_t

brief Disable the Quad Timer DMA.

param base Quad Timer peripheral base address param channel Quad Timer channel number param mask The DMA to enable. This is a logical OR of members of the enumeration qtmr_dma_enable_t

QTMR_DisableInterrupts()

void QTMR_DisableInterrupts	(	TMR_Type *	base,
		qtmr_channel_selection_t	channel,
		uint32_t	mask
	)

Disables the selected Quad Timer interrupts.

Parameters

base	Quad Timer peripheral base addres
channel	Quad Timer channel number
mask	The interrupts to enable. This is a logical OR of members of the enumeration qtmr_interrupt_enable_t

brief Disables the selected Quad Timer interrupts

param base Quad Timer peripheral base addres param channel Quad Timer channel number param mask The interrupts to enable. This is a logical OR of members of the enumeration qtmr_interrupt_enable_t

QTMR_EnableDma()

void QTMR_EnableDma	(	TMR_Type *	base,
		qtmr_channel_selection_t	channel,
		uint32_t	mask
	)

Enable the Quad Timer DMA.

Parameters

base	Quad Timer peripheral base address
channel	Quad Timer channel number
mask	The DMA to enable. This is a logical OR of members of the enumeration qtmr_dma_enable_t

brief Enable the Quad Timer DMA.

param base Quad Timer peripheral base address param channel Quad Timer channel number param mask The DMA to enable. This is a logical OR of members of the enumeration qtmr_dma_enable_t

QTMR_EnableInterrupts()

void QTMR_EnableInterrupts	(	TMR_Type *	base,
		qtmr_channel_selection_t	channel,
		uint32_t	mask
	)

Enables the selected Quad Timer interrupts.

Parameters

base	Quad Timer peripheral base address
channel	Quad Timer channel number
mask	The interrupts to enable. This is a logical OR of members of the enumeration qtmr_interrupt_enable_t

brief Enables the selected Quad Timer interrupts

param base Quad Timer peripheral base address param channel Quad Timer channel number param mask The interrupts to enable. This is a logical OR of members of the enumeration qtmr_interrupt_enable_t

QTMR_GetDefaultConfig()

void QTMR_GetDefaultConfig

(

qtmr_config_t *

config

)

Fill in the Quad Timer config struct with the default settings.

The default values are:

config->debugMode = kQTMR_RunNormalInDebug;
config->enableExternalForce = false;
config->enableMasterMode = false;
config->faultFilterCount = 0;
config->faultFilterPeriod = 0;
config->primarySource = kQTMR_ClockDivide_2;
config->secondarySource = kQTMR_Counter0InputPin;

Parameters

config

Pointer to user's Quad Timer config structure.

brief Fill in the Quad Timer config struct with the default settings

The default values are: code config->debugMode = kQTMR_RunNormalInDebug; config->enableExternalForce = false; config->enableMasterMode = false; config->faultFilterCount = 0; config->faultFilterPeriod = 0; config->primarySource = kQTMR_ClockDivide_2; config->secondarySource = kQTMR_Counter0InputPin; endcode param config Pointer to user's Quad Timer config structure.

QTMR_GetEnabledInterrupts()

uint32_t QTMR_GetEnabledInterrupts	(	TMR_Type *	base,
		qtmr_channel_selection_t	channel
	)

Gets the enabled Quad Timer interrupts.

Parameters

base	Quad Timer peripheral base address
channel	Quad Timer channel number

Returns

The enabled interrupts. This is the logical OR of members of the enumeration qtmr_interrupt_enable_t

brief Gets the enabled Quad Timer interrupts

param base Quad Timer peripheral base address param channel Quad Timer channel number

return The enabled interrupts. This is the logical OR of members of the enumeration qtmr_interrupt_enable_t

QTMR_GetPwmChannelStatus()

uint8_t QTMR_GetPwmChannelStatus	(	TMR_Type *	base,
		qtmr_channel_selection_t	channel
	)

Get the PWM channel dutycycle value.

Parameters

base	Quad Timer peripheral base address
channel	Quad Timer channel number

Returns

Current channel dutycycle value.

brief Get the PWM channel dutycycle value.

param base Quad Timer peripheral base address param channel Quad Timer channel number

return Current channel dutycycle value.

QTMR_GetStatus()

uint32_t QTMR_GetStatus	(	TMR_Type *	base,
		qtmr_channel_selection_t	channel
	)

Gets the Quad Timer status flags.

Parameters

base	Quad Timer peripheral base address
channel	Quad Timer channel number

Returns

The status flags. This is the logical OR of members of the enumeration qtmr_status_flags_t

brief Gets the Quad Timer status flags

param base Quad Timer peripheral base address param channel Quad Timer channel number

return The status flags. This is the logical OR of members of the enumeration qtmr_status_flags_t

QTMR_Init()

void QTMR_Init	(	TMR_Type *	base,
		qtmr_channel_selection_t	channel,
		const qtmr_config_t *	config
	)

Ungates the Quad Timer clock and configures the peripheral for basic operation.

Note

This API should be called at the beginning of the application using the Quad Timer driver.

Parameters

base	Quad Timer peripheral base address
channel	Quad Timer channel number
config	Pointer to user's Quad Timer config structure

brief Ungates the Quad Timer clock and configures the peripheral for basic operation.

note This API should be called at the beginning of the application using the Quad Timer driver.

param base Quad Timer peripheral base address param channel Quad Timer channel number param config Pointer to user's Quad Timer config structure

QTMR_SetCompareValue()

void QTMR_SetCompareValue	(	TMR_Type *	base,
		qtmr_channel_selection_t	channel,
		uint16_t	ticks
	)

Set compare value.

This function sets the value used for comparison with the counter value.

Parameters

base	Quad Timer peripheral base address
channel	Quad Timer channel number
ticks	Timer period in units of ticks.

brief Set compare value.

This function sets the value used for comparison with the counter value.

param base Quad Timer peripheral base address param channel Quad Timer channel number param ticks Timer period in units of ticks.

QTMR_SetPwmClockMode()

void QTMR_SetPwmClockMode	(	TMR_Type *	base,
		qtmr_channel_selection_t	channel,
		qtmr_primary_count_source_t	prescaler
	)

This function set the value of the prescaler on QTimer channels.

Parameters

base	Quad Timer peripheral base address
channel	Quad Timer channel number
prescaler	Set prescaler value

brief This function set the value of the prescaler on QTimer channels.

param base Quad Timer peripheral base address param channel Quad Timer channel number param prescaler Set prescaler value

QTMR_SetPwmOutputToIdle()

void QTMR_SetPwmOutputToIdle	(	TMR_Type *	base,
		qtmr_channel_selection_t	channel,
		bool	idleStatus
	)

Set PWM output in idle status (high or low).

Note

When the PWM is set again, the counting needs to be restarted.

Parameters

base	Quad Timer peripheral base address
channel	Quad Timer channel number
idleStatus	True: PWM output is high in idle status; false: PWM output is low in idle status.

brief Set PWM output in idle status (high or low).

Note: When the PWM is set again, the counting needs to be restarted.

param base Quad Timer peripheral base address param channel Quad Timer channel number param idleStatus True: PWM output is high in idle status; false: PWM output is low in idle status.

QTMR_SetTimerPeriod()

void QTMR_SetTimerPeriod	(	TMR_Type *	base,
		qtmr_channel_selection_t	channel,
		uint16_t	ticks
	)

Sets the timer period in ticks.

Timers counts from initial value till it equals the count value set here. The counter will then reinitialize to the value specified in the Load register.

Note

1. This function will write the time period in ticks to COMP1 or COMP2 register depending on the count direction
2. User can call the utility macros provided in fsl_common.h to convert to ticks
3. This function supports cases, providing only primary source clock without secondary source clock.

Parameters

base	Quad Timer peripheral base address
channel	Quad Timer channel number
ticks	Timer period in units of ticks

brief Sets the timer period in ticks.

Timers counts from initial value till it equals the count value set here. The counter will then reinitialize to the value specified in the Load register.

note

1. This function will write the time period in ticks to COMP1 or COMP2 register depending on the count direction
2. User can call the utility macros provided in fsl_common.h to convert to ticks
3. This function supports cases, providing only primary source clock without secondary source clock.
4. The load register is reset before the counter is reinitialized to the value specified in the load register.

param base Quad Timer peripheral base address param channel Quad Timer channel number param ticks Timer period in units of ticks

QTMR_SetupInputCapture()

void QTMR_SetupInputCapture	(	TMR_Type *	base,
		qtmr_channel_selection_t	channel,
		qtmr_input_source_t	capturePin,
		bool	inputPolarity,
		bool	reloadOnCapture,
		qtmr_input_capture_edge_t	captureMode
	)

Allows the user to count the source clock cycles until a capture event arrives.

The count is stored in the capture register.

Parameters

base	Quad Timer peripheral base address
channel	Quad Timer channel number
capturePin	Pin through which we receive the input signal to trigger the capture
inputPolarity	true: invert polarity of the input signal, false: no inversion
reloadOnCapture	true: reload the counter when an input capture occurs, false: no reload
captureMode	Specifies which edge of the input signal triggers a capture

brief Allows the user to count the source clock cycles until a capture event arrives.

The count is stored in the capture register.

param base Quad Timer peripheral base address param channel Quad Timer channel number param capturePin Pin through which we receive the input signal to trigger the capture param inputPolarity true: invert polarity of the input signal, false: no inversion param reloadOnCapture true: reload the counter when an input capture occurs, false: no reload param captureMode Specifies which edge of the input signal triggers a capture

QTMR_SetupPwm()

status_t QTMR_SetupPwm	(	TMR_Type *	base,
		qtmr_channel_selection_t	channel,
		uint32_t	pwmFreqHz,
		uint8_t	dutyCyclePercent,
		bool	outputPolarity,
		uint32_t	srcClock_Hz
	)

Sets up Quad timer module for PWM signal output.

The function initializes the timer module according to the parameters passed in by the user. The function also sets up the value compare registers to match the PWM signal requirements.

Parameters

base	Quad Timer peripheral base address
channel	Quad Timer channel number
pwmFreqHz	PWM signal frequency in Hz
dutyCyclePercent	PWM pulse width, value should be between 0 to 100 0=inactive signal(0% duty cycle)... 100=active signal (100% duty cycle)
outputPolarity	true: invert polarity of the output signal, false: no inversion
srcClock_Hz	Main counter clock in Hz.

Returns

Returns an error if there was error setting up the signal.

brief Sets up Quad timer module for PWM signal output.

The function initializes the timer module according to the parameters passed in by the user. The function also sets up the value compare registers to match the PWM signal requirements.

param base Quad Timer peripheral base address param channel Quad Timer channel number param pwmFreqHz PWM signal frequency in Hz param dutyCyclePercent PWM pulse width, value should be between 0 to 100 0=inactive signal(0% duty cycle)... 100=active signal (100% duty cycle) param outputPolarity true: invert polarity of the output signal, false: no inversion param srcClock_Hz Main counter clock in Hz.

return Returns an error if there was error setting up the signal.