Cypress CapSense Library¶

This module exposes easy to use functions to handle Cypress CapSense widgets.

init()

Initializes available CapSense widgets.

on_btn(callback,event=BTN0_RISE)

Arguments:

• callback – callback function
• event – event type

Sets a callback to be called in response to a button event. Available events are:

• BTN0_RISE: triggered on button 0 touch
• BTN0_FALL: triggered when button 0 press finishes
• BTN1_RISE: triggered on button 1 touch
• BTN1_FALL: triggered when button 0 press finishes

Callbacks are called without additional parameters.

on_slider(callback,event=SLIDER_LEAVE)

Arguments:

• callback – callback function
• event – event type

Sets a callback to be called in response to a slider event. Available events are:

• SLIDER_ENTER: triggered on slider touch
• SLIDER_LEAVE: triggered when slider press event finishes
• SLIDER_LVLCHNG: triggered while the slider is pressed, when the slider centroid value changes

Slider callbacks are called with different parameters, as described below:

# SLIDER_ENTER
def enter_callback(start_pos):
    print("centroid value:", start_pos)

# SLIDER_LEAVE
def leave_callback(start_pos, end_pos):
    print("centroid value on enter and leave:", start_pos, end_pos)

# SLIDER_LVLCHNG
def level_callback(cur_pos):
    print("centroid value:", cur_pos)

get_centroid()

Gets current slider centroid value.

Returns None if the slider is currently not touched.