P@tch for GemmaM0

Arduino Code

#include <Adafruit_DotStar.h>

#include "Adafruit_FreeTouch.h"

#define CAPTOUCH_PIN 0 //capacitive touch pin

//The function: Adafruit_DotStar(NUMPIXELS, DATAPIN, CLOCKPIN, DOTSTAR_BRG);

//use internal data and clock definitions (INTERNAL_DS_DATA, INTERNAL_DS_CLK)

#define CAPTOUCH_PIN2 2

Adafruit_DotStar pixel = Adafruit_DotStar(1, INTERNAL_DS_DATA, INTERNAL_DS_CLK, DOTSTAR_BGR);

int touch = 650;

long oldState = 0;

int mode = 0; // Currently-active animation mode, 0-9

// set up capacitive touch button using the FreeTouch library

Adafruit_FreeTouch qt_1 = Adafruit_FreeTouch(CAPTOUCH_PIN, OVERSAMPLE_4, RESISTOR_50K, FREQ_MODE_NONE);

void setup() {

 Serial.begin(115200);

 if (! qt_1.begin())

 Serial.println("Failed to begin qt on pin A1");

pixel.begin();

}

void loop() {

 Serial.print(qt_1.measure());

 Serial.write(' ');

 checkpress(); //check to see if the button's been pressed

 delay(20);

}

void checkpress() {

// Get current button state D0.

 long newState = qt_1.measure();

 Serial.println(qt_1.measure());

 if (newState > touch && oldState < touch) {

 // Short delay to debounce button.

 delay(500);

 // Check if button is still low after debounce.

 long newState = qt_1.measure(); }

 if (newState > touch ) {

//pixel.setPixelColor(pixel number, R, G, B);

 if(++mode > 3) mode = 0; // Advance to next mode, wrap around after #8

 switch(mode) { // Start the new animation...

 case 0:

 pixel.clear(); pixel.show(); delay(500); //red brightness value 0-255

 break;

 case 1:

 pixel.setPixelColor(0, 64, 0, 0); pixel.show(); delay(500); //red brightness value 0-255

 break;

 case 2:

 pixel.setPixelColor(0, 0, 64, 0); pixel.show(); delay(500); //red brightness value 0-255

 break;

 }

 }

 // Set the last button state to the old state.

 oldState = newState;

}