Re-uploading corrected code
Trying this again.. uploading the correct code for the Color Touch Necklace guide.
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color_touch_pendant/color_touch_pendant/color_touch_pendant.ino
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color_touch_pendant/color_touch_pendant/color_touch_pendant.ino
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// Code by Erin St. Blaine for Adafruit Industries
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// Color Touch Pendant Tutorial: https://learn.adafruit.com/color-touch-pendant-necklace/introduction
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// Two neopixel rings connected on pin 1 will cycle through gradient colors when the pendant is touched. For Gemma M0.
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#include "Adafruit_FreeTouch.h"
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#include "FastLED.h"
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#define CAPTOUCH_PIN 0 //capacitive touch pin
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#define NEOPIXEL_PIN 1 //neopixel ring pin
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#define NUM_LEDS 28 //how many pixels total
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#define LED_TYPE WS2812
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#define COLOR_ORDER GRB
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CRGB leds[NUM_LEDS]; //LED array
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// These variables will affect the way the gradient animation looks. Feel free to mess with them.
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int SPEEDO = 10;
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int STEPS = 50;
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int HUE = 0;
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int SATURATION = 255;
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int COLORCHANGE = 50;
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int BRIGHTNESS = 110;
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// Calibrating your capacitive touch sensitivity: Change this variable to something between your capacitive touch serial readouts for on and off
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int touch = 650;
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long oldState = 0;
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// set up capacitive touch button using the FreeTouch library
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Adafruit_FreeTouch qt_1 = Adafruit_FreeTouch(CAPTOUCH_PIN, OVERSAMPLE_4, RESISTOR_50K, FREQ_MODE_NONE);
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TBlendType currentBlending;
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CRGBPalette16 currentPalette;
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void setup() {
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Serial.begin(115200);
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if (! qt_1.begin())
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Serial.println("Failed to begin qt on pin A1");
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FastLED.addLeds<WS2812, NEOPIXEL_PIN, COLOR_ORDER>(leds, NUM_LEDS); // Set up neopixels with FastLED
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FastLED.setBrightness(BRIGHTNESS); // set global brightness
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FastLED.setMaxPowerInVoltsAndMilliamps(3,350); //Constrain FastLED's power usage
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}
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void loop() {
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Serial.print(qt_1.measure());
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Serial.write(' ');
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checkpress(); //check to see if the button's been pressed
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//delay(20);
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}
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void checkpress() {
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// Get current button state.
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long newState = qt_1.measure();
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Serial.println(qt_1.measure());
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if (newState > touch && oldState < touch) {
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// Short delay to debounce button.
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delay(500);
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// Check if button is still low after debounce.
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long newState = qt_1.measure(); }
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if (newState > touch ) {
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HUE=HUE+COLORCHANGE; // change the hue by a specified amount each time the cap touch pad is activated
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if (HUE > 255){
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HUE=0;}
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Gradient();
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}
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// if (HUE==250) {
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// dark();
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// }
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else {
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Gradient();
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}
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// Set the last button state to the old state.
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oldState = newState;
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}
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// GRADIENT --------------------------------------------------------------
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void Gradient()
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{
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SetupGradientPalette();
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static uint8_t startIndex = 0;
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startIndex = startIndex - 1; // motion speed
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FillLEDsFromPaletteColors( startIndex);
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FastLED.show();
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FastLED.delay(SPEEDO);
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}
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// adjust hue, saturation and brightness values here to make a pleasing gradient
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void SetupGradientPalette()
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{
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CRGB light = CHSV( HUE + 25, SATURATION - 20, BRIGHTNESS);
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CRGB lightmed = CHSV (HUE + 15, SATURATION - 10, BRIGHTNESS-50);
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CRGB medium = CHSV ( HUE + 10, SATURATION - 15, BRIGHTNESS);
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CRGB dark = CHSV( HUE, SATURATION, BRIGHTNESS);
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CRGB black = CHSV (HUE, SATURATION, 0);
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currentPalette = CRGBPalette16(
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black, light, light, light,
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lightmed, lightmed, lightmed, medium,
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medium, medium, medium, dark,
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dark, dark, dark, black );
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}
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void FillLEDsFromPaletteColors( uint8_t colorIndex)
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{
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uint8_t brightness = BRIGHTNESS;
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for( int i = 0; i < NUM_LEDS; i++) {
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leds[i] = ColorFromPalette( currentPalette, colorIndex, brightness, currentBlending);
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colorIndex += STEPS;
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}
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}
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void dark()
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{
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for(int i = 0; i < NUM_LEDS; i++) {
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leds[i] = CRGB::Black;
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FastLED.show();
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delay(20);
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}
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}
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