QTouch implementation for SAM toolkit demo.

#include <asf.h>
#include "demo.h"
#include "bitmaps.h"

Macros
#define	GET_ROTOR_SLIDER_POSITION(ROTOR_SLIDER_NUMBER) qt_measure_data.qt_touch_status.rotor_slider_values[ROTOR_SLIDER_NUMBER]

#define	GET_SENSOR_STATE(SENSOR_NUMBER) (qt_measure_data.qt_touch_status.sensor_states[(SENSOR_NUMBER / 8)] & (1 << (SENSOR_NUMBER % 8)))
	Get QTouch state. More...

#define	QTOUCH_LIB_COMPILER_MASK 0x01
	QTouch library compiler type mask. More...

#define	QTOUCH_LIB_COMPILER_OFFSET 2
	QTouch library compiler type offset: GCC / IAR. More...

#define	QTOUCH_LIB_KEY_ONLY_MASK 0x01
	QTouch library supports keys only mask. More...

#define	QTOUCH_LIB_KEY_ONLY_OFFSET 10
	QTouch library supports keys only offset. More...

#define	QTOUCH_LIB_MAX_CHANNEL_MASK 0x7F
	QTouch library maximum channels mask. More...

#define	QTOUCH_LIB_MAX_CHANNEL_OFFSET 3
	QTouch library maximum channels offset. More...

#define	QTOUCH_LIB_ROTOR_NUM_MASK 0x1F
	QTouch library maximum rotors/silders mask. More...

#define	QTOUCH_LIB_ROTOR_NUM_OFFSET 11
	QTouch library maximum rotors/silders offset. More...

#define	QTOUCH_LIB_TPYE_MASK 0x01
	QTouch library type: QTouch / QMatrix. More...

#define	TOTAL_SLIDER_NUM 2
	Total slider number supported. More...

Enumerations
enum	main_screen_icon_id { MAIN_SCR_AUDIO_ID = 0, MAIN_SCR_FFT_ID, MAIN_SCR_PPT_ID, MAIN_SCR_SETTINGS_ID, MAIN_SCR_QTOUCH_ID, MAIN_SCR_LPM_ID, MAIN_SCR_DUMMY_LEFT_ID, MAIN_SCR_INFO_ID, MAIN_SCR_DUMMY_RIGHT_ID, MAIN_SCR_MAX_ID }
	Main screen IDs. More...

Functions
static void	config_sensors (void)
	Configure the sensors. More...

void	demo_qt_init (void)
	Initialize QTouch. More...

void	demo_qtouch_event_handler (void)
	QTouch event handler. More...

static void	qt_set_parameters (void)
	This will fill the default threshold values in the configuration data structure.But User can change the values of these parameters. More...

Variables
uint16_t	current_time_ms_touch = 0u
	Current time, set by timer ISR. More...

static enum main_screen_icon_id	demo_last_selected_icon_id = MAIN_SCR_INFO_ID

static enum main_screen_icon_id	demo_selected_icon_id = MAIN_SCR_INFO_ID
	Selected icon ID; default is set to info icon. More...

static uint8_t	dwn_pressed = 0
	QTouch down key pressed. More...

static uint8_t	lft_pressed = 0
	QTouch left key pressed. More...

uint16_t	qt_measurement_period_msec = 25u
	Timer period in msec. More...

static uint8_t	rgt_pressed = 0
	QTouch right key pressed. More...

uint8_t	time_to_measure_touch = 0u
	Flag set by timer ISR when it's time to measure touch. More...

static uint8_t	up_pressed = 0
	QTouch up key pressed. More...

static uint8_t	vld_pressed = 0
	QTouch enter key pressed. More...

static struct gfx_bitmap	win_qtouch_btn_down_icon
	Bitmap for QTouch down button. More...

static struct gfx_bitmap	win_qtouch_btn_down_press_icon
	Bitmap for QTouch pressed down button. More...

static struct gfx_bitmap	win_qtouch_btn_enter_icon
	Bitmap for QTouch selected button. More...

static struct gfx_bitmap	win_qtouch_btn_enter_press_icon
	Bitmap for QTouch pressed selected button. More...

static struct gfx_bitmap	win_qtouch_btn_next_icon
	Bitmap for QTouch right button. More...

static struct gfx_bitmap	win_qtouch_btn_next_press_icon
	Bitmap for QTouch pressed right button. More...

static struct gfx_bitmap	win_qtouch_btn_prev_icon
	Bitmap for QTouch left button. More...

static struct gfx_bitmap	win_qtouch_btn_prev_press_icon
	Bitmap for QTouch pressed left button. More...

static struct gfx_bitmap	win_qtouch_btn_up_icon
	Bitmap for QTouch up button. More...

static struct gfx_bitmap	win_qtouch_btn_up_press_icon
	Bitmap for QTouch pressed up button. More...

#define GET_ROTOR_SLIDER_POSITION ( ROTOR_SLIDER_NUMBER ) qt_measure_data.qt_touch_status.rotor_slider_values[ROTOR_SLIDER_NUMBER]

Referenced by demo_qtouch_event_handler().

#define GET_SENSOR_STATE ( SENSOR_NUMBER ) (qt_measure_data.qt_touch_status.sensor_states[(SENSOR_NUMBER / 8)] & (1 << (SENSOR_NUMBER % 8)))

Get QTouch state.

Referenced by demo_qtouch_event_handler().

#define QTOUCH_LIB_COMPILER_MASK 0x01

QTouch library compiler type mask.

#define QTOUCH_LIB_COMPILER_OFFSET 2

QTouch library compiler type offset: GCC / IAR.

#define QTOUCH_LIB_KEY_ONLY_MASK 0x01

QTouch library supports keys only mask.

#define QTOUCH_LIB_KEY_ONLY_OFFSET 10

QTouch library supports keys only offset.

#define QTOUCH_LIB_MAX_CHANNEL_MASK 0x7F

QTouch library maximum channels mask.

#define QTOUCH_LIB_MAX_CHANNEL_OFFSET 3

QTouch library maximum channels offset.

#define QTOUCH_LIB_ROTOR_NUM_MASK 0x1F

QTouch library maximum rotors/silders mask.

#define QTOUCH_LIB_ROTOR_NUM_OFFSET 11

QTouch library maximum rotors/silders offset.

#define QTOUCH_LIB_TPYE_MASK 0x01

QTouch library type: QTouch / QMatrix.

#define TOTAL_SLIDER_NUM 2

Total slider number supported.

enum main_screen_icon_id

Main screen IDs.

The screen ID is used to selecte the specific icon widget through the QTouch event.

Enumerator
MAIN_SCR_AUDIO_ID	ID for audio screen.
MAIN_SCR_FFT_ID	ID for FFT screen.
MAIN_SCR_PPT_ID	ID for PPT player screen.
MAIN_SCR_SETTINGS_ID	ID for settings screen.
MAIN_SCR_QTOUCH_ID	ID for qtouch screen.
MAIN_SCR_LPM_ID	ID for low power mode screen.
MAIN_SCR_DUMMY_LEFT_ID	ID for dummy left screen.
MAIN_SCR_INFO_ID	ID for information screen.
MAIN_SCR_DUMMY_RIGHT_ID	ID for dummy right screen.
MAIN_SCR_MAX_ID	Max dummy screen ID.

static void config_sensors ( void )

static

Configure the sensors.

References AKS_GROUP_1, HYST_6_25, qt_enable_key(), and RES_8_BIT.

Referenced by demo_qt_init().

void demo_qt_init ( void )

Initialize QTouch.

References config_sensors(), qt_filter_callback, qt_init_sensing, qt_reset_sensing(), and qt_set_parameters().

Referenced by main().

void demo_qtouch_event_handler ( void )

QTouch event handler.

The QTouch event is valid at main window and QTouch application window.

References win_pointer_event::buttons, current_time_ms_touch, demo_get_special_mode_status(), demo_last_selected_icon_id, DEMO_MAIN_MODE, DEMO_QTOUCH_MODE, demo_selected_icon_id, dwn_pressed, GET_ROTOR_SLIDER_POSITION, GET_SENSOR_STATE, GFX_COLOR, gfx_draw_bitmap(), gfx_draw_filled_rect, gfx_draw_rect, gfx_generic_draw_rect(), win_pointer_event::is_relative, lft_pressed, MAIN_SCR_AUDIO_ID, MAIN_SCR_DUMMY_LEFT_ID, MAIN_SCR_DUMMY_RIGHT_ID, MAIN_SCR_FFT_ID, MAIN_SCR_INFO_ID, MAIN_SCR_MAX_ID, win_pointer_event::pos, qt_measure_sensors(), QTLIB_BURST_AGAIN, rgt_pressed, time_to_measure_touch, win_pointer_event::type, up_pressed, vld_pressed, WIN_POINTER_PRESS, WIN_POINTER_RELEASE, win_queue_pointer_event(), WIN_TOUCH_BUTTON, win_point::x, and win_point::y.

Referenced by task_win().

static void qt_set_parameters ( void )

static

This will fill the default threshold values in the configuration data structure.But User can change the values of these parameters.

References DEF_QT_DI, DEF_QT_DRIFT_HOLD_TIME, DEF_QT_MAX_ON_DURATION, DEF_QT_NEG_DRIFT_RATE, DEF_QT_POS_DRIFT_RATE, DEF_QT_POS_RECAL_DELAY, DEF_QT_RECAL_THRESHOLD, qt_config_data, tag_qt_touch_lib_config_data_t::qt_di, tag_qt_touch_lib_config_data_t::qt_drift_hold_time, tag_qt_touch_lib_config_data_t::qt_max_on_duration, tag_qt_touch_lib_config_data_t::qt_neg_drift_rate, tag_qt_touch_lib_config_data_t::qt_pos_drift_rate, tag_qt_touch_lib_config_data_t::qt_pos_recal_delay, and tag_qt_touch_lib_config_data_t::qt_recal_threshold.

Referenced by demo_qt_init().

uint16_t current_time_ms_touch = 0u

Current time, set by timer ISR.

enum main_screen_icon_id demo_last_selected_icon_id = MAIN_SCR_INFO_ID

static

Referenced by demo_qtouch_event_handler().

enum main_screen_icon_id demo_selected_icon_id = MAIN_SCR_INFO_ID

static

Selected icon ID; default is set to info icon.

Referenced by demo_qtouch_event_handler().

uint8_t dwn_pressed = 0

static

QTouch down key pressed.

Referenced by demo_qtouch_event_handler(), and main().

uint8_t lft_pressed = 0

static

QTouch left key pressed.

Referenced by demo_qtouch_event_handler(), and main().

uint8_t rgt_pressed = 0

static

QTouch right key pressed.

Referenced by demo_qtouch_event_handler(), and main().

uint8_t time_to_measure_touch = 0u

Flag set by timer ISR when it's time to measure touch.

uint8_t up_pressed = 0

static

QTouch up key pressed.

Referenced by demo_qtouch_event_handler(), and main().

uint8_t vld_pressed = 0

static

QTouch enter key pressed.

Referenced by demo_qtouch_event_handler(), and main().

struct gfx_bitmap win_qtouch_btn_down_icon

static

Initial value:

= {
    .width = 48, .height = 48,
    .type = GFX_BITMAP_EXT,
    .data.custom = DEMO_BMP_BTN_QT_DOWN
}

Bitmap for QTouch down button.

struct gfx_bitmap win_qtouch_btn_down_press_icon

static

Initial value:

= {
    .width = 48, .height = 48,
    .type = GFX_BITMAP_EXT,
    .data.custom = DEMO_BMP_BTN_QT_DOWN_PRESSED
}

Bitmap for QTouch pressed down button.

struct gfx_bitmap win_qtouch_btn_enter_icon

static

Initial value:

= {
    .width = 48, .height = 48,
    .type = GFX_BITMAP_EXT,
    .data.custom = DEMO_BMP_BTN_QT_ENTER
}

Bitmap for QTouch selected button.

struct gfx_bitmap win_qtouch_btn_enter_press_icon

static

Initial value:

= {
    .width = 48, .height = 48,
    .type = GFX_BITMAP_EXT,
    .data.custom = DEMO_BMP_BTN_QT_ENTER_PRESSED
}

Bitmap for QTouch pressed selected button.

struct gfx_bitmap win_qtouch_btn_next_icon

static

Initial value:

= {
    .width = 48, .height = 48,
    .type = GFX_BITMAP_EXT,
    .data.custom = DEMO_BMP_BTN_QT_NEXT
}

Bitmap for QTouch right button.

struct gfx_bitmap win_qtouch_btn_next_press_icon

static

Initial value:

= {
    .width = 48, .height = 48,
    .type = GFX_BITMAP_EXT,
    .data.custom = DEMO_BMP_BTN_QT_NEXT_PRESSED
}

Bitmap for QTouch pressed right button.

struct gfx_bitmap win_qtouch_btn_prev_icon

static

Initial value:

= {
    .width = 48, .height = 48,
    .type = GFX_BITMAP_EXT,
    .data.custom = DEMO_BMP_BTN_QT_PREV
}

Bitmap for QTouch left button.

struct gfx_bitmap win_qtouch_btn_prev_press_icon

static

Initial value:

= {
    .width = 48, .height = 48,
    .type = GFX_BITMAP_EXT,
    .data.custom = DEMO_BMP_BTN_QT_PREV_PRESSED
}

Bitmap for QTouch pressed left button.

struct gfx_bitmap win_qtouch_btn_up_icon

static

Initial value:

= {
    .width = 48, .height = 48,
    .type = GFX_BITMAP_EXT,
    .data.custom = DEMO_BMP_BTN_QT_UP
}

Bitmap for QTouch up button.

struct gfx_bitmap win_qtouch_btn_up_press_icon

static

Initial value:

= {
    .width = 48, .height = 48,
    .type = GFX_BITMAP_EXT,
    .data.custom = DEMO_BMP_BTN_QT_UP_PRESSED
}

Bitmap for QTouch pressed up button.

Microchip® Advanced Software Framework

Macros

Enumerations

Functions

Variables