hpm_qei_drv.h File Reference

#include "hpm_common.h"
#include "hpm_qei_regs.h"

Go to the source code of this file.

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...