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