This is the demo code your Adafruit NeoKey Trinkey shipped with. If you want to get back to factory-state, load this sketch!
// SPDX-FileCopyrightText: 2022 Limor Fried for Adafruit Industries
//
// SPDX-License-Identifier: MIT
#include <Adafruit_NeoPixel.h>
#include "Adafruit_FreeTouch.h"
#include "HID-Project.h" // https://github.com/NicoHood/HID
// Create the neopixel strip with the built in definitions NUM_NEOPIXEL and PIN_NEOPIXEL
Adafruit_NeoPixel strip = Adafruit_NeoPixel(NUM_NEOPIXEL, PIN_NEOPIXEL, NEO_GRB + NEO_KHZ800);
// Create the touch pad
Adafruit_FreeTouch qt = Adafruit_FreeTouch(PIN_TOUCH, OVERSAMPLE_4, RESISTOR_50K, FREQ_MODE_NONE);
int16_t neo_brightness = 255; // initialize with 20 brightness (out of 255)
bool last_switch = true;
void setup() {
Serial.begin(9600);
//while (!Serial);
strip.begin();
strip.setBrightness(neo_brightness);
strip.show(); // Initialize all pixels to 'off'
if (! qt.begin())
Serial.println("Failed to begin qt");
pinMode(PIN_SWITCH, INPUT_PULLDOWN);
// Sends a clean report to the host. This is important on any Arduino type.
Consumer.begin();
}
uint8_t j=0;
void loop() {
// measure the captouches
uint16_t touch = qt.measure();
// don't print touch data constantly, only every 10 runs
if (j % 10 == 0) {
Serial.print("Touch: "); Serial.println(touch);
}
// If the pad is touched, turn on neopix!
if (touch > 500) {
Serial.println("Touched!");
//strip.setBrightness(neo_brightness);
} else {
//strip.setBrightness(0);
}
// check mechswitch
bool curr_switch = digitalRead(PIN_SWITCH);
if (curr_switch != last_switch) {
if (curr_switch) {
Serial.println("Pressed");
Consumer.write(MEDIA_PLAY_PAUSE);
} else {
Serial.println("Released");
}
last_switch = curr_switch;
}
// cycles of all colors on wheel, only visible if cap it touched
strip.setPixelColor(0, Wheel(j++));
strip.show();
delay(10);
}
// Input a value 0 to 255 to get a color value.
// The colours are a transition r - g - b - back to r.
uint32_t Wheel(byte WheelPos) {
if(WheelPos < 85) {
return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
} else if(WheelPos < 170) {
WheelPos -= 85;
return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
} else {
WheelPos -= 170;
return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
}
}
