blob: 0e0fbafa204bb70fadee6894487667297f7e9ea1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
.. highlight:: cpp
.. _lang-waitforbuttonpress:
waitForButtonPress()
====================
Wait for the board's built-in button to be pressed, possibly with
timeout. The button is labeled "BUT" on the board's silkscreen. Its
pin number is the constant :ref:`BOARD_BUTTON_PIN
<lang-board-values-but>`.
Library Documentation
---------------------
.. doxygenfunction:: waitForButtonPress
Example
-------
.. _lang-waitforbuttonpress-example:
This example sets up the board's button pin as an input, then prints a
message very time the button is pressed.
::
void setup() {
pinMode(BOARD_BUTTON_PIN, INPUT);
}
void loop() {
waitForButtonPress();
SerialUSB.println("You pressed the button!");
}
See Also
--------
- :ref:`Board-specific values <lang-board-values>`
- :ref:`BOARD_BUTTON_PIN <lang-board-values-but>`
- :ref:`lang-isbuttonpressed`
|
