Button

identifier: 0x1473a263
extends: _sensor
group: button
tags: C, 8bit, padauk, input
status: stable

A push-button, which returns to inactive position when not operated anymore.

Registers

ro pressure: u0.16 / @ reading

Indicates the pressure state of the button, where 0 is open.

const analog?: bool @ 0x180

Indicates if the button provides analog pressure readings.

client volatile ro pressed: bool @ 0x181

Determines if the button is pressed currently.

If the event down or hold is observed, pressed becomes true; if up is observed, pressed becomes false. The client should initialize pressed to false.

Events

event down @ active

Emitted when button goes from inactive to active.

event up @ inactive {
    time: u32 ms
}

Emitted when button goes from active to inactive. The 'time' parameter records the amount of time between the down and up events.

event hold @ 0x81 {
     time: u32 ms
}

Emitted when the press time is greater than 500ms, and then at least every 500ms as long as the button remains pressed. The 'time' parameter records the the amount of time that the button has been held (since the down event).

Playground

Test

MakeCode