#include <stdbool.h>
#include <stdlib.h>

Data Structures
struct	tag_qt_touch_status_t
struct	tag_qt_touch_lib_config_data_t
struct	tag_qt_touch_lib_measure_data_t
struct	qt_lib_sig_info_t
struct	tag_sensor_t
Defines
#define	TICKS_PER_MS 500
#define	DEF_QT_DI 2
#define	DEF_QT_NEG_DRIFT_RATE 20
#define	DEF_QT_POS_DRIFT_RATE 5
#define	DEF_QT_DRIFT_HOLD_TIME 20
#define	DEF_QT_MAX_ON_DURATION 50
#define	DEF_QT_RECAL_THRESHOLD RECAL_50
#define	DEF_QT_POS_RECAL_DELAY 3u
#define	JOIN(x, y) x ## y
#define	JOIN1(A, B, C) A ## B ## C
#define	REG(REGISTER, SIDE) JOIN( REGISTER, SIDE )
#define	CONCAT(A, B, C) JOIN1( A, B, C )
#define	QT_NUM_SENSOR_STATE_BYTES ( ( QT_NUM_CHANNELS + 7u ) / 8u )
#define	QTLIB_NO_ACTIVITY (uint16_t) 0x0000
#define	QTLIB_IN_DETECT (uint16_t) 0x0001
#define	QTLIB_STATUS_CHANGE (uint16_t) 0x0002
#define	QTLIB_ROTOR_SLIDER_POS_CHANGE (uint16_t) 0x0004
#define	QTLIB_CHANNEL_REF_CHANGE (uint16_t) 0x0008
#define	QTLIB_BURST_AGAIN (uint16_t) 0x0100
#define	QTLIB_RESOLVE_CAL (uint16_t) 0x0200
#define	QTLIB_RESOLVE_FILTERIN (uint16_t) 0x0400
#define	QTLIB_RESOLVE_DI (uint16_t) 0x0800
#define	QTLIB_RESOLVE_POS_RECAL (uint16_t) 0x1000
Typedefs
typedef uint8_t	threshold_t
typedef enum tag_sensor_type_t	sensor_type_t
typedef enum tag_aks_group_t	aks_group_t
typedef enum tag_channel_t	channel_t
typedef enum tag_hysteresis_t	hysteresis_t
typedef enum tag_resolution_t	resolution_t
typedef enum tag_recal_threshold_t	recal_threshold_t
typedef struct tag_qt_touch_status_t	qt_touch_status_t
typedef struct tag_qt_touch_lib_config_data_t	qt_touch_lib_config_data_t
typedef struct tag_qt_touch_lib_measure_data_t	qt_touch_lib_measure_data_t
typedef struct qt_lib_sig_info_t	qt_lib_siginfo_t
typedef struct tag_sensor_t	sensor_t
Enumerations
enum	tag_sensor_type_t { SENSOR_TYPE_UNASSIGNED, SENSOR_TYPE_KEY, SENSOR_TYPE_ROTOR, SENSOR_TYPE_SLIDER }
enum	tag_aks_group_t { NO_AKS_GROUP, AKS_GROUP_1, AKS_GROUP_2, AKS_GROUP_3, AKS_GROUP_4, AKS_GROUP_5, AKS_GROUP_6, AKS_GROUP_7 }
enum	tag_channel_t
enum	tag_hysteresis_t { HYST_50, HYST_25, HYST_12_5, HYST_6_25 }
enum	tag_resolution_t { RES_1_BIT, RES_2_BIT, RES_3_BIT, RES_4_BIT, RES_5_BIT, RES_6_BIT, RES_7_BIT, RES_8_BIT }
enum	tag_recal_threshold_t { RECAL_100, RECAL_50, RECAL_25, RECAL_12_5, RECAL_6_25 }
Functions
int16_t	qt_get_sensor_delta (uint8_t sensor)
void	qt_get_library_sig (qt_lib_siginfo_t *lib_sig_ptr)
void	qt_enable_key (channel_t channel, aks_group_t aks_group, threshold_t detect_threshold, hysteresis_t detect_hysteresis)
unsigned short	qt_measure_sensors (unsigned short current_time_ms)
void	qt_calibrate_sensing (void)
void	qt_reset_sensing (void)
Variables
qt_touch_lib_config_data_t	qt_config_data
qt_touch_lib_measure_data_t	qt_measure_data
uint16_t	lib_status_flags
sensor_t	sensors [QT_NUM_CHANNELS]
uint16_t	qt_measurement_period_msec
	Touch acquisition timer period in msec.
void(*	qt_filter_callback )(void)