touch.h File Reference

Declaration of functions for touch interfacing.

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

Functions
bool	check_touch_key_pressed (void)
	Checks whether the QTouch key is pressed. More...
void	touch_init (void)
	Configures touch library and measurement setup. More...

bool check_touch_key_pressed

(

void

)

Checks whether the QTouch key is pressed.

References current_time_ms_touch, GET_SENSOR_STATE, qt_measure_sensors(), QTLIB_BURST_AGAIN, and time_to_measure_touch.

Referenced by ui_process().

void touch_init

(

void

)

Configures touch library and measurement setup.

Note

Interrupts must be enabled in order to trigger regular measurements The touch configuration requires a fixed CPU speed to work properly in this case we need 2 MHz.

References config_sensor(), init_timer_isr(), qt_filter_callback, qt_init_sensing, qt_set_parameters(), SNS_array, and SNSK_array.

Referenced by ui_init().