.. _eui:

EUI
======

Overview
--------

EUI example project shows 5 LEDs and 2x3 key matrix functions

Running the example
-------------------

- The LEDs will blink and loop display 3 sets of data, with each set blinking 10 times.

- The button interrupt is triggered once when KEY is pressed, and then again when released.

- The serial port debugging terminal will first output clock configuration information. When the button is pressed, the serial debugging terminal will print the button status. As shown below:

.. code-block:: console

  eui example

  clko_tm_us:10, slot_tm_us:320, hold_tm_us:0, disp_tm_us:2560, filter_tm_us:51200

   esc: 1, up: 0, enter: 0
  left: 0, dn: 0, right: 0

   esc: 0, up: 1, enter: 0
  left: 0, dn: 0, right: 0

   esc: 0, up: 0, enter: 1
  left: 0, dn: 0, right: 0

   esc: 0, up: 0, enter: 0
  left: 0, dn: 0, right: 1

   esc: 0, up: 0, enter: 0
  left: 0, dn: 1, right: 0

   esc: 0, up: 0, enter: 0
  left: 1, dn: 0, right: 0

   esc: 0, up: 1, enter: 0
  left: 0, dn: 0, right: 0

   esc: 1, up: 0, enter: 0
  left: 0, dn: 0, right: 0

   esc: 0, up: 0, enter: 1
  left: 0, dn: 0, right: 0

Others
------

Advanced digital tubes blink control can be achieved by using the `components/segment_led` component, the sample is `samples/segment_led_key`.