QEI driver APIs. More...

Macros
#define	QEI_EVENT_WDOG_FLAG_MASK (1U << 31)

#define	QEI_EVENT_HOME_FLAG_MASK (1U << 30)

#define	QEI_EVENT_POSITIVE_COMPARE_FLAG_MASK (1U << 29)

#define	QEI_EVENT_Z_PHASE_FLAG_MASK (1U << 28)

Typedefs
typedef enum qei_z_count_inc_mode	qei_z_count_inc_mode_t
	counting mode of Z-phase counter More...

typedef enum qei_rotation_dir_cmp	qei_rotation_dir_cmp_t
	motor rotation direction More...

typedef enum qei_counter_type	qei_counter_type_t
	counter type More...

typedef enum qei_work_mode	qei_work_mode_t
	qei work mode More...

typedef enum qei_speed_his_type	qei_speed_his_type_t
	speed history type More...

Enumerations
enum	qei_z_count_inc_mode { qei_z_count_inc_on_z_input_assert = 0 , qei_z_count_inc_on_phase_count_max = 1 }
	counting mode of Z-phase counter More...

enum	qei_rotation_dir_cmp { qei_rotation_dir_cmp_positive = 0 , qei_rotation_dir_cmp_negative = 1 , qei_rotation_dir_cmp_ignore = 2 }
	motor rotation direction More...

enum	qei_counter_type { qei_counter_type_z = 0 , qei_counter_type_phase = 1 , qei_counter_type_speed = 2 , qei_counter_type_timer = 3 }
	counter type More...

enum	qei_work_mode { qei_work_mode_abz = 0 , qei_work_mode_pd = 1 , qei_work_mode_ud = 2 }
	qei work mode More...

enum	qei_speed_his_type { qei_speed_his0 = QEI_SPDHIS_SPDHIS0 , qei_speed_his1 = QEI_SPDHIS_SPDHIS1 , qei_speed_his2 = QEI_SPDHIS_SPDHIS2 , qei_speed_his3 = QEI_SPDHIS_SPDHIS3 }
	speed history type More...

Functions
static void	qei_wdog_enable (QEI_Type *qei_x)
	enable qei watchdog More...

static void	qei_wdog_disable (QEI_Type *qei_x)
	disable qei watchdog More...

static void	qei_wdog_config (QEI_Type *qei_x, uint32_t timeout, bool enable)
	config watchdog More...

static void	qei_phase_config (QEI_Type *qei_x, uint32_t phase_count, qei_z_count_inc_mode_t mode, bool z_calibrate)

static void	qei_phase_set_index (QEI_Type *qei_x, uint32_t phase_index)
	set phase index More...

static void	qei_output_trigger_event_enable (QEI_Type *qei_x, uint32_t event_mask)
	enable trigger event More...

static void	qei_output_trigger_event_disable (QEI_Type *qei_x, uint32_t event_mask)
	disable trigger event More...

static void	qei_load_read_trigger_event_enable (QEI_Type *qei_x, uint32_t event_mask)
	enable load read trigger event More...

static void	qei_load_read_trigger_event_disable (QEI_Type *qei_x, uint32_t event_mask)
	disable load read trigger event More...

static void	qei_z_cmp_set (QEI_Type *qei_x, uint32_t cmp)
	set zcnt postion compare value More...

static void	qei_speed_cmp_set (QEI_Type *qei_x, uint32_t cmp)
	set spdcnt position compare value More...

static void	qei_phase_cmp_set (QEI_Type *qei_x, uint32_t cmp, bool cmp_z, qei_rotation_dir_cmp_t rotation_dir)
	set Phase comparator value More...

static void	qei_clear_status (QEI_Type *qei_x, uint32_t mask)
	clear qei status register More...

static uint32_t	qei_get_status (QEI_Type *qei_x)
	get qei status More...

static bool	qei_get_bit_status (QEI_Type *qei_x, uint32_t mask)
	get qei bit status More...

static void	qei_irq_enable (QEI_Type *qei_x, uint32_t mask)
	enable qei irq More...

static void	qei_irq_disable (QEI_Type *qei_x, uint32_t mask)
	disable qei irq More...

static void	qei_dma_request_enable (QEI_Type *qei_x, uint32_t mask)
	enable dma request More...

static void	qei_dma_request_disable (QEI_Type *qei_x, uint32_t mask)
	disable qei dma More...

static uint32_t	qei_get_current_count (QEI_Type *qei_x, qei_counter_type_t type)
	get current counter value More...

static uint32_t	qei_get_current_phase_phcnt (QEI_Type *qei_x)
	get current phcnt value More...

static bool	qei_get_current_phase_astat (QEI_Type *qei_x)
	get current a phase status More...

static bool	qei_get_current_phase_bstat (QEI_Type *qei_x)
	get current b phase status More...

static bool	qei_get_current_phase_dir (QEI_Type *qei_x)
	get current phase dir More...

static uint32_t	qei_get_count_on_read_event (QEI_Type *qei_x, qei_counter_type_t type)
	get read event count value More...

static uint32_t	qei_get_count_on_snap0_event (QEI_Type *qei_x, qei_counter_type_t type)
	read the value of each phase snapshot 0 counter More...

static uint32_t	qei_get_count_on_snap1_event (QEI_Type *qei_x, qei_counter_type_t type)
	read the value of each phase snapshot 1 counter More...

static uint32_t	qei_get_speed_history (QEI_Type *qei_x, qei_speed_his_type_t hist_index)
	get speed history More...

static void	qei_load_counter_to_read_registers (QEI_Type *qei_x)
	load phcnt, zcnt, spdcnt and tmrcnt into their read registers More...

static void	qei_reset_counter_on_h_assert (QEI_Type *qei_x, uint32_t counter_mask)
	reset spdcnt/phcnt/zcnt More...

static void	qei_pause_counter_on_pause (QEI_Type *qei_x, uint32_t counter_mask)
	pause spdcnt when PAUSE assert More...

static void	qei_snap_enable (QEI_Type *qei_x)
	load phcnt, zcnt, spdcnt and tmrcnt into their snap registers More...

static void	qei_snap_disable (QEI_Type *qei_x)
	disable snap More...

static void	qei_counter_reset_assert (QEI_Type *qei_x)
	reset zcnt, spdcnt and tmrcnt to 0 More...

static void	qei_counter_reset_release (QEI_Type *qei_x)
	qei counter reset release More...

static void	qei_set_work_mode (QEI_Type *qei_x, qei_work_mode_t mode)
	set work mode More...

Detailed Description

QEI driver APIs.

Macro Definition Documentation

◆ QEI_EVENT_HOME_FLAG_MASK

#define QEI_EVENT_HOME_FLAG_MASK (1U << 30)

#include <drivers/inc/hpm_qei_drv.h>

home flag

◆ QEI_EVENT_POSITIVE_COMPARE_FLAG_MASK

#define QEI_EVENT_POSITIVE_COMPARE_FLAG_MASK (1U << 29)

#include <drivers/inc/hpm_qei_drv.h>

postion compare match flag

◆ QEI_EVENT_WDOG_FLAG_MASK

#define QEI_EVENT_WDOG_FLAG_MASK (1U << 31)

#include <drivers/inc/hpm_qei_drv.h>

watchdog flag

◆ QEI_EVENT_Z_PHASE_FLAG_MASK

#define QEI_EVENT_Z_PHASE_FLAG_MASK (1U << 28)

#include <drivers/inc/hpm_qei_drv.h>

z input flag

Typedef Documentation

◆ qei_counter_type_t

typedef enum qei_counter_type qei_counter_type_t

#include <drivers/inc/hpm_qei_drv.h>

counter type

◆ qei_rotation_dir_cmp_t

typedef enum qei_rotation_dir_cmp qei_rotation_dir_cmp_t

#include <drivers/inc/hpm_qei_drv.h>

motor rotation direction

◆ qei_speed_his_type_t

typedef enum qei_speed_his_type qei_speed_his_type_t

#include <drivers/inc/hpm_qei_drv.h>

speed history type

◆ qei_work_mode_t

typedef enum qei_work_mode qei_work_mode_t

#include <drivers/inc/hpm_qei_drv.h>

qei work mode

◆ qei_z_count_inc_mode_t

typedef enum qei_z_count_inc_mode qei_z_count_inc_mode_t

#include <drivers/inc/hpm_qei_drv.h>

counting mode of Z-phase counter

Enumeration Type Documentation

◆ qei_counter_type

enum qei_counter_type

#include <drivers/inc/hpm_qei_drv.h>

counter type

Enumerator
qei_counter_type_z	Z counter
qei_counter_type_phase	Phase counter
qei_counter_type_speed	Speed counter
qei_counter_type_timer	Timer counter

◆ qei_rotation_dir_cmp

enum qei_rotation_dir_cmp

#include <drivers/inc/hpm_qei_drv.h>

motor rotation direction

Enumerator
qei_rotation_dir_cmp_positive	position compare need positive rotation
qei_rotation_dir_cmp_negative	position compare need negative rotation
qei_rotation_dir_cmp_ignore	ignore

◆ qei_speed_his_type

enum qei_speed_his_type

#include <drivers/inc/hpm_qei_drv.h>

speed history type

Enumerator
qei_speed_his0	Speed history0
qei_speed_his1	Speed history1
qei_speed_his2	Speed history2
qei_speed_his3	Speed history3

◆ qei_work_mode

enum qei_work_mode

#include <drivers/inc/hpm_qei_drv.h>

qei work mode

Enumerator
qei_work_mode_abz	Orthogonal decoder mode
qei_work_mode_pd	Directional (PD) mode
qei_work_mode_ud	Up and Down (UD) mode

◆ qei_z_count_inc_mode

enum qei_z_count_inc_mode

#include <drivers/inc/hpm_qei_drv.h>

counting mode of Z-phase counter

Enumerator
qei_z_count_inc_on_z_input_assert	zcnt will increment or decrement when Z input assert
qei_z_count_inc_on_phase_count_max	zcnt will increment when phcnt upcount to phmax, decrement when phcnt downcount to 0

Function Documentation

◆ qei_clear_status()

static void qei_clear_status	(	QEI_Type *	qei_x,
		uint32_t	mask
	)

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

clear qei status register

Parameters

[in]	qei_x	QEI base address, HPM_QEIx(x=0...n)
[in]	mask	QEI_EVENT_WDOG_FLAG_MASK QEI_EVENT_HOME_FLAG_MASK QEI_EVENT_POSITIVE_COMPARE_FLAG_MASK QEI_EVENT_Z_PHASE_FLAG_MASK

◆ qei_counter_reset_assert()

static void qei_counter_reset_assert ( QEI_Type * qei_x )

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

reset zcnt, spdcnt and tmrcnt to 0

Parameters

[in] qei_x QEI base address, HPM_QEIx(x=0...n)

◆ qei_counter_reset_release()

static void qei_counter_reset_release ( QEI_Type * qei_x )

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

qei counter reset release

Parameters

[in] qei_x QEI base address, HPM_QEIx(x=0...n)

◆ qei_dma_request_disable()

static void qei_dma_request_disable	(	QEI_Type *	qei_x,
		uint32_t	mask
	)

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

disable qei dma

Parameters

[in]	qei_x	QEI base address, HPM_QEIx(x=0...n)
[in]	mask	QEI_EVENT_WDOG_FLAG_MASK QEI_EVENT_HOME_FLAG_MASK QEI_EVENT_POSITIVE_COMPARE_FLAG_MASK QEI_EVENT_Z_PHASE_FLAG_MASK

◆ qei_dma_request_enable()

static void qei_dma_request_enable	(	QEI_Type *	qei_x,
		uint32_t	mask
	)

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

enable dma request

Parameters

[in]	qei_x	QEI base address, HPM_QEIx(x=0...n)
[in]	mask	QEI_EVENT_WDOG_FLAG_MASK QEI_EVENT_HOME_FLAG_MASK QEI_EVENT_POSITIVE_COMPARE_FLAG_MASK QEI_EVENT_Z_PHASE_FLAG_MASK

◆ qei_get_bit_status()

static bool qei_get_bit_status	(	QEI_Type *	qei_x,
		uint32_t	mask
	)

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

get qei bit status

Parameters

[in]	qei_x	QEI base address, HPM_QEIx(x=0...n)
[in]	mask	QEI_EVENT_WDOG_FLAG_MASK QEI_EVENT_HOME_FLAG_MASK QEI_EVENT_POSITIVE_COMPARE_FLAG_MASK QEI_EVENT_Z_PHASE_FLAG_MASK

Return values

true or false

◆ qei_get_count_on_read_event()

static uint32_t qei_get_count_on_read_event	(	QEI_Type *	qei_x,
		qei_counter_type_t	type
	)

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

get read event count value

Parameters

[in]	qei_x	QEI base address, HPM_QEIx(x=0...n)
[in]	type	qei_counter_type_t

Return values

counter value

◆ qei_get_count_on_snap0_event()

static uint32_t qei_get_count_on_snap0_event	(	QEI_Type *	qei_x,
		qei_counter_type_t	type
	)

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

read the value of each phase snapshot 0 counter

Parameters

[in]	qei_x	QEI base address, HPM_QEIx(x=0...n)
[in]	type	qei_counter_type_t

Return values

counter value

◆ qei_get_count_on_snap1_event()

static uint32_t qei_get_count_on_snap1_event	(	QEI_Type *	qei_x,
		qei_counter_type_t	type
	)

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

read the value of each phase snapshot 1 counter

Parameters

[in]	qei_x	QEI base address, HPM_QEIx(x=0...n)
[in]	type	qei_counter_type_t

Return values

counter value

◆ qei_get_current_count()

static uint32_t qei_get_current_count	(	QEI_Type *	qei_x,
		qei_counter_type_t	type
	)

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

get current counter value

Parameters

[in]	qei_x	QEI base address, HPM_QEIx(x=0...n)
[in]	type	qei_counter_type_t

Return values

counter value

◆ qei_get_current_phase_astat()

static bool qei_get_current_phase_astat ( QEI_Type * qei_x )

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

get current a phase status

Parameters

qei_x QEI base address, HPM_QEIx(x=0...n)

Returns: a phase level

◆ qei_get_current_phase_bstat()

static bool qei_get_current_phase_bstat ( QEI_Type * qei_x )

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

get current b phase status

Parameters

qei_x QEI base address, HPM_QEIx(x=0...n)

Returns: b phase level

◆ qei_get_current_phase_dir()

static bool qei_get_current_phase_dir ( QEI_Type * qei_x )

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

get current phase dir

Parameters

qei_x QEI base address, HPM_QEIx(x=0...n)

Returns: dir

◆ qei_get_current_phase_phcnt()

static uint32_t qei_get_current_phase_phcnt ( QEI_Type * qei_x )

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

get current phcnt value

Parameters

qei_x QEI base address, HPM_QEIx(x=0...n)

Returns: phcnt value

◆ qei_get_speed_history()

static uint32_t qei_get_speed_history	(	QEI_Type *	qei_x,
		qei_speed_his_type_t	hist_index
	)

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

get speed history

Parameters

[in]	qei_x	QEI base address, HPM_QEIx(x=0...n)
[in]	hist_index	qei_speed_his_type_t

Return values

speed

history value

counter value

◆ qei_get_status()

static uint32_t qei_get_status ( QEI_Type * qei_x )

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

get qei status

Parameters

[in] qei_x QEI base address, HPM_QEIx(x=0...n)

Return values

qei	status: QEI_EVENT_WDOG_FLAG_MASK QEI_EVENT_HOME_FLAG_MASK QEI_EVENT_POSITIVE_COMPARE_FLAG_MASK QEI_EVENT_Z_PHASE_FLAG_MASK

◆ qei_irq_disable()

static void qei_irq_disable	(	QEI_Type *	qei_x,
		uint32_t	mask
	)

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

disable qei irq

Parameters

[in]	qei_x	QEI base address, HPM_QEIx(x=0...n)
[in]	mask	QEI_EVENT_WDOG_FLAG_MASK QEI_EVENT_HOME_FLAG_MASK QEI_EVENT_POSITIVE_COMPARE_FLAG_MASK QEI_EVENT_Z_PHASE_FLAG_MASK

◆ qei_irq_enable()

static void qei_irq_enable	(	QEI_Type *	qei_x,
		uint32_t	mask
	)

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

enable qei irq

Parameters

[in]	qei_x	QEI base address, HPM_QEIx(x=0...n)
[in]	mask	QEI_EVENT_WDOG_FLAG_MASK QEI_EVENT_HOME_FLAG_MASK QEI_EVENT_POSITIVE_COMPARE_FLAG_MASK QEI_EVENT_Z_PHASE_FLAG_MASK

◆ qei_load_counter_to_read_registers()

static void qei_load_counter_to_read_registers ( QEI_Type * qei_x )

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

load phcnt, zcnt, spdcnt and tmrcnt into their read registers

Parameters

[in] qei_x QEI base address, HPM_QEIx(x=0...n)

◆ qei_load_read_trigger_event_disable()

static void qei_load_read_trigger_event_disable	(	QEI_Type *	qei_x,
		uint32_t	event_mask
	)

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

disable load read trigger event

Parameters

[in]	qei_x	QEI base address, HPM_QEIx(x=0...n)
[in]	event_mask	QEI_EVENT_WDOG_FLAG_MASK QEI_EVENT_HOME_FLAG_MASK QEI_EVENT_POSITIVE_COMPARE_FLAG_MASK QEI_EVENT_Z_PHASE_FLAG_MASK

◆ qei_load_read_trigger_event_enable()

static void qei_load_read_trigger_event_enable	(	QEI_Type *	qei_x,
		uint32_t	event_mask
	)

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

enable load read trigger event

Parameters

[in]	qei_x	QEI base address, HPM_QEIx(x=0...n)
[in]	event_mask	QEI_EVENT_WDOG_FLAG_MASK QEI_EVENT_HOME_FLAG_MASK QEI_EVENT_POSITIVE_COMPARE_FLAG_MASK QEI_EVENT_Z_PHASE_FLAG_MASK

◆ qei_output_trigger_event_disable()

static void qei_output_trigger_event_disable	(	QEI_Type *	qei_x,
		uint32_t	event_mask
	)

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

disable trigger event

Parameters

[in]	qei_x	QEI base address, HPM_QEIx(x=0...n)
[in]	event_mask	QEI_EVENT_WDOG_FLAG_MASK QEI_EVENT_HOME_FLAG_MASK QEI_EVENT_POSITIVE_COMPARE_FLAG_MASK QEI_EVENT_Z_PHASE_FLAG_MASK

◆ qei_output_trigger_event_enable()

static void qei_output_trigger_event_enable	(	QEI_Type *	qei_x,
		uint32_t	event_mask
	)

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

enable trigger event

Parameters

[in]	qei_x	QEI base address, HPM_QEIx(x=0...n)
[in]	event_mask	QEI_EVENT_WDOG_FLAG_MASK QEI_EVENT_HOME_FLAG_MASK QEI_EVENT_POSITIVE_COMPARE_FLAG_MASK QEI_EVENT_Z_PHASE_FLAG_MASK

◆ qei_pause_counter_on_pause()

static void qei_pause_counter_on_pause	(	QEI_Type *	qei_x,
		uint32_t	counter_mask
	)

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

pause spdcnt when PAUSE assert

Parameters

[in]	qei_x	QEI base address, HPM_QEIx(x=0...n)
[in]	counter_mask	1 pause spdcnt when PAUSE assert (1<<1) pause spdcnt when PAUSE assert (1<<2) pause spdcnt when PAUSE assert

◆ qei_phase_cmp_set()

static void qei_phase_cmp_set	(	QEI_Type *	qei_x,
		uint32_t	cmp,
		bool	cmp_z,
		qei_rotation_dir_cmp_t	rotation_dir
	)

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

set Phase comparator value

Parameters

[in]	qei_x	QEI base address, HPM_QEIx(x=0...n)
[in]	cmp	phcnt position compare value
[in]	cmp_z	1- postion compare not include zcnt
[in]	rotation_dir	qei_rotation_dir_cmp_t

◆ qei_phase_config()

static void qei_phase_config	(	QEI_Type *	qei_x,
		uint32_t	phase_count,
		qei_z_count_inc_mode_t	mode,
		bool	z_calibrate
	)

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

Parameters

[in]	qei_x	QEI base address, HPM_QEIx(x=0...n)
[in]	phase_count	maximum phcnt number, phcnt will rollover to 0 when it upcount to phmax
[in]	mode	1 zcnt will increment when phcnt upcount to phmax, decrement when phcnt downcount to 0 0 zcnt will increment or decrement when Z input assert
[in]	z_calibrate	1- phcnt will set to phidx when Z input assert

◆ qei_phase_set_index()

static void qei_phase_set_index	(	QEI_Type *	qei_x,
		uint32_t	phase_index
	)

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

set phase index

Parameters

[in]	qei_x	QEI base address, HPM_QEIx(x=0...n)
[in]	phase_index	phcnt reset value, phcnt will reset to phidx when phcaliz set to 1

◆ qei_reset_counter_on_h_assert()

static void qei_reset_counter_on_h_assert	(	QEI_Type *	qei_x,
		uint32_t	counter_mask
	)

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

reset spdcnt/phcnt/zcnt

Parameters

[in]	qei_x	QEI base address, HPM_QEIx(x=0...n)
[in]	counter_mask	1 reset zcnt when H assert (1<<1) reset phcnt when H assert (1<<2) reset spdcnt when H assert

◆ qei_set_work_mode()

static void qei_set_work_mode	(	QEI_Type *	qei_x,
		qei_work_mode_t	mode
	)

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

set work mode

Parameters

[in]	qei_x	QEI base address, HPM_QEIx(x=0...n)
[in]	mode	qei_work_mode_t

◆ qei_snap_disable()

static void qei_snap_disable ( QEI_Type * qei_x )

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

disable snap

Parameters

[in] qei_x QEI base address, HPM_QEIx(x=0...n)

◆ qei_snap_enable()

static void qei_snap_enable ( QEI_Type * qei_x )

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

load phcnt, zcnt, spdcnt and tmrcnt into their snap registers

Parameters

[in] qei_x QEI base address, HPM_QEIx(x=0...n)

◆ qei_speed_cmp_set()

static void qei_speed_cmp_set	(	QEI_Type *	qei_x,
		uint32_t	cmp
	)

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

set spdcnt position compare value

Parameters

[in]	qei_x	QEI base address, HPM_QEIx(x=0...n)
[in]	cmp	spdcnt position compare value

◆ qei_wdog_config()

static void qei_wdog_config	(	QEI_Type *	qei_x,
		uint32_t	timeout,
		bool	enable
	)

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

config watchdog

Parameters

[in]	qei_x	QEI base address, HPM_QEIx(x=0...n)
[in]	timeout	watchdog timeout time
[in]	enable	1 - enable watchdog, You can use the qei_wdog_disable open watchdog 0 - disable watchdog, You can use the qei_wdog_enable open watchdog

◆ qei_wdog_disable()

static void qei_wdog_disable ( QEI_Type * qei_x )

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

disable qei watchdog

Parameters

[in] qei_x QEI base address, HPM_QEIx(x=0...n)

◆ qei_wdog_enable()

static void qei_wdog_enable ( QEI_Type * qei_x )

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

enable qei watchdog

Parameters

[in] qei_x QEI base address, HPM_QEIx(x=0...n)

◆ qei_z_cmp_set()

static void qei_z_cmp_set	(	QEI_Type *	qei_x,
		uint32_t	cmp
	)

inlinestatic

#include <drivers/inc/hpm_qei_drv.h>

set zcnt postion compare value

Parameters

[in]	qei_x	QEI base address, HPM_QEIx(x=0...n)
[in]	cmp	zcnt postion compare value

Macros

Typedefs

Enumerations

Functions

Detailed Description

Macro Definition Documentation

◆ QEI_EVENT_HOME_FLAG_MASK

◆ QEI_EVENT_POSITIVE_COMPARE_FLAG_MASK

◆ QEI_EVENT_WDOG_FLAG_MASK

◆ QEI_EVENT_Z_PHASE_FLAG_MASK

Typedef Documentation

◆ qei_counter_type_t

◆ qei_rotation_dir_cmp_t

◆ qei_speed_his_type_t

◆ qei_work_mode_t

◆ qei_z_count_inc_mode_t

Enumeration Type Documentation

◆ qei_counter_type

◆ qei_rotation_dir_cmp

◆ qei_speed_his_type

◆ qei_work_mode

◆ qei_z_count_inc_mode

Function Documentation

◆ qei_clear_status()

◆ qei_counter_reset_assert()

◆ qei_counter_reset_release()

◆ qei_dma_request_disable()

◆ qei_dma_request_enable()

◆ qei_get_bit_status()

◆ qei_get_count_on_read_event()

◆ qei_get_count_on_snap0_event()

◆ qei_get_count_on_snap1_event()

◆ qei_get_current_count()

◆ qei_get_current_phase_astat()

◆ qei_get_current_phase_bstat()

◆ qei_get_current_phase_dir()

◆ qei_get_current_phase_phcnt()

◆ qei_get_speed_history()

◆ qei_get_status()

◆ qei_irq_disable()

◆ qei_irq_enable()

◆ qei_load_counter_to_read_registers()

◆ qei_load_read_trigger_event_disable()

◆ qei_load_read_trigger_event_enable()

◆ qei_output_trigger_event_disable()

◆ qei_output_trigger_event_enable()

◆ qei_pause_counter_on_pause()

◆ qei_phase_cmp_set()

◆ qei_phase_config()

◆ qei_phase_set_index()

◆ qei_reset_counter_on_h_assert()

◆ qei_set_work_mode()

◆ qei_snap_disable()

◆ qei_snap_enable()

◆ qei_speed_cmp_set()

◆ qei_wdog_config()

◆ qei_wdog_disable()

◆ qei_wdog_enable()

◆ qei_z_cmp_set()