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Touch Sensor Button

Overview

This example demonstrates the use of a touch sensor for key short and long presses.

Requirements

Touch sensor keys are connected in the following table:

IO Number	IO Nmae	touch Number
16	PB0	3
17	PB0	4
18	PB0	5
12	PA12	CMOD
14	PA14	CMC

Building and flashing

Example Location： examples/peripheral/touch_sensor/touch_button

compile, burn, and more, see: get started

Running result

Successfully running will output the following logs

D/dt              [0.038] add device touch_sensor
D/dt              [0.042] add device gpio
I/touch           [0.046] touch button init ok
I/touch           [7.318] key5 pressed
I/touch           [11.326] key5 pressed
I/touch           [14.768] key5 long pressed
I/touch           [99.176] key4 pressed
I/touch           [99.754] key3 pressed