touch_interface.h File Reference

Header file for the touch screen interface functions.

Copyright (c) 2014-2018 Microchip Technology Inc. and its subsidiaries.

Functions
void	touch_interface_init (void)
	Initializes the touchscreen, ready to detect user input. More...
bool	touch_interface_read (struct win_pointer_event *win_touch_event)
	Convert touch events from the touchscreen into window pointer events. More...

void touch_interface_init

(

void

)

Initializes the touchscreen, ready to detect user input.

Performs and initialization and calibration of the touchscreen, so that it is ready for use.

References rtouch_enable(), rtouch_init(), rtouch_set_event_handler(), touch_event_handler(), and touch_interface_calibrate().

Referenced by main().

bool touch_interface_read

(

struct win_pointer_event *

win_touch_event

)

Convert touch events from the touchscreen into window pointer events.

Reads touch events in from the touchscreen and converts them into a Window Manager pointer event, for enqueuing into the window event queue.

Returns

Boolean true if a touch event was read, false if no touch event or a corrupt touch event was received

References win_pointer_event::buttons, cpu_irq_restore(), cpu_irq_save(), win_pointer_event::is_relative, rtouch_event_struct::panelX, rtouch_event_struct::panelY, win_pointer_event::pos, rtouch_get_event(), RTOUCH_MOVE, RTOUCH_NO_EVENT, RTOUCH_PRESS, RTOUCH_RELEASE, touch_event_ready, rtouch_event_struct::type, win_pointer_event::type, WIN_POINTER_MOVE, WIN_POINTER_PRESS, WIN_POINTER_RELEASE, WIN_TOUCH_BUTTON, win_point::x, and win_point::y.

Referenced by main().