Merge pull request #431 from firepixie/master

Color Touch Pendant

Color_touch_pendant2/Color_touch_pendant2.ino

@@ -0,0 +1,139 @@
+// Code by Erin St. Blaine for Adafruit Industries
+// Color Touch Pendant Tutorial: https://learn.adafruit.com/color-touch-pendant-necklace/introduction
+// Two neopixel rings connected on pin 1 will cycle through gradient colors when the pendant is touched.  For Gemma M0.
+
+#include "Adafruit_FreeTouch.h"
+#include "FastLED.h"
+
+#define CAPTOUCH_PIN 0  //capacitive touch pin
+#define NEOPIXEL_PIN 1  //neopixel ring pin
+#define NUM_LEDS    28  //how many pixels total
+
+#define LED_TYPE    WS2812
+#define COLOR_ORDER GRB
+CRGB leds[NUM_LEDS];   //LED array 
+
+// These variables will affect the way the gradient animation looks.  Feel free to mess with them.
+int SPEEDO = 10;          
+int STEPS = 50;         
+int HUE = 0;            
+int SATURATION = 255;  
+int COLORCHANGE = 50;        
+int BRIGHTNESS = 110;     
+
+// Calibrating your capacitive touch sensitivity: Change this variable to something between your capacitive touch serial readouts for on and off
+int touch = 650;    
+
+long oldState = 0;
+
+// set up capacitive touch button using the FreeTouch library
+Adafruit_FreeTouch qt_1 = Adafruit_FreeTouch(CAPTOUCH_PIN, OVERSAMPLE_4, RESISTOR_50K, FREQ_MODE_NONE);
+
+
+TBlendType    currentBlending;
+CRGBPalette16 currentPalette;
+
+
+void setup() {
+  Serial.begin(115200);
+
+  if (! qt_1.begin())  
+   Serial.println("Failed to begin qt on pin A1");
+   FastLED.addLeds<WS2812, NEOPIXEL_PIN, COLOR_ORDER>(leds, NUM_LEDS);  // Set up neopixels with FastLED
+   FastLED.setBrightness(BRIGHTNESS); // set global brightness
+   FastLED.setMaxPowerInVoltsAndMilliamps(3,350);  //Constrain FastLED's power usage
+}
+
+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.
+ 
+    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 ) {  
+     HUE=HUE+COLORCHANGE;  // change the hue by a specified amount each time the cap touch pad is activated
+  if (HUE > 255){
+    HUE=0;}
+   Gradient();
+    }
+//  if (HUE==250) {
+//    dark();
+//  }
+    else {
+      Gradient();
+      
+    }
+
+   
+    
+  // Set the last button state to the old state.
+  oldState = newState;
+
+} 
+
+
+
+// GRADIENT --------------------------------------------------------------
+void Gradient()
+{
+  SetupGradientPalette();
+
+  static uint8_t startIndex = 0;
+  startIndex = startIndex - 1;  // motion speed
+
+  FillLEDsFromPaletteColors( startIndex);
+  FastLED.show();
+  FastLED.delay(SPEEDO);
+}
+
+// adjust hue, saturation and brightness values here to make a pleasing gradient
+
+void SetupGradientPalette()
+{
+  CRGB light = CHSV( HUE + 25, SATURATION - 20, BRIGHTNESS);
+  CRGB lightmed = CHSV (HUE + 15, SATURATION - 10, BRIGHTNESS-50);
+  CRGB medium = CHSV ( HUE + 10, SATURATION - 15, BRIGHTNESS);
+  CRGB dark  = CHSV( HUE, SATURATION, BRIGHTNESS);
+  CRGB black = CHSV (HUE, SATURATION, 0);
+  
+  currentPalette = CRGBPalette16( 
+    black,  light,  light,  light,
+    lightmed, lightmed, lightmed,  medium,
+    medium,  medium,  medium,  dark,
+    dark, dark, dark,  black );
+}
+
+void FillLEDsFromPaletteColors( uint8_t colorIndex)
+{
+  uint8_t brightness = BRIGHTNESS;
+  
+  for( int i = 0; i < NUM_LEDS; i++) {
+    leds[i] = ColorFromPalette( currentPalette, colorIndex, brightness, currentBlending);
+    colorIndex += STEPS;
+  }
+}
+
+void dark()
+{ 
+  for(int i = 0; i < NUM_LEDS; i++) { 
+  leds[i] = CRGB::Black; 
+  FastLED.show();
+  delay(20);
+}
+}
+

color_touch_pendant/color_touch_pendant.ino

@@ -22,7 +22,7 @@ int COLORCHANGE = 50;
 int BRIGHTNESS = 110;     
 
 // Calibrating your capacitive touch sensitivity: Change this variable to something between your capacitive touch serial readouts for on and off
-int touch = 850;    
+int touch = 650;    
 
 long oldState = 0;
 
@@ -71,7 +71,9 @@ void checkpress() {
     HUE=0;}
    Gradient();
     }
-
+//  if (HUE==250) {
+//    dark();
+//  }
     else {
       Gradient();
       
@@ -126,3 +128,12 @@ void FillLEDsFromPaletteColors( uint8_t colorIndex)
   }
 }
 
+void dark()
+{ 
+  for(int i = 0; i < NUM_LEDS; i++) { 
+  leds[i] = CRGB::Black; 
+  FastLED.show();
+  delay(20);
+}
+}
+

color_touch_pendant/color_touch_pendant/color_touch_pendant.ino

@@ -0,0 +1,139 @@
+// Code by Erin St. Blaine for Adafruit Industries
+// Color Touch Pendant Tutorial: https://learn.adafruit.com/color-touch-pendant-necklace/introduction
+// Two neopixel rings connected on pin 1 will cycle through gradient colors when the pendant is touched.  For Gemma M0.
+
+#include "Adafruit_FreeTouch.h"
+#include "FastLED.h"
+
+#define CAPTOUCH_PIN 0  //capacitive touch pin
+#define NEOPIXEL_PIN 1  //neopixel ring pin
+#define NUM_LEDS    28  //how many pixels total
+
+#define LED_TYPE    WS2812
+#define COLOR_ORDER GRB
+CRGB leds[NUM_LEDS];   //LED array 
+
+// These variables will affect the way the gradient animation looks.  Feel free to mess with them.
+int SPEEDO = 10;          
+int STEPS = 50;         
+int HUE = 0;            
+int SATURATION = 255;  
+int COLORCHANGE = 50;        
+int BRIGHTNESS = 110;     
+
+// Calibrating your capacitive touch sensitivity: Change this variable to something between your capacitive touch serial readouts for on and off
+int touch = 650;    
+
+long oldState = 0;
+
+// set up capacitive touch button using the FreeTouch library
+Adafruit_FreeTouch qt_1 = Adafruit_FreeTouch(CAPTOUCH_PIN, OVERSAMPLE_4, RESISTOR_50K, FREQ_MODE_NONE);
+
+
+TBlendType    currentBlending;
+CRGBPalette16 currentPalette;
+
+
+void setup() {
+  Serial.begin(115200);
+
+  if (! qt_1.begin())  
+   Serial.println("Failed to begin qt on pin A1");
+   FastLED.addLeds<WS2812, NEOPIXEL_PIN, COLOR_ORDER>(leds, NUM_LEDS);  // Set up neopixels with FastLED
+   FastLED.setBrightness(BRIGHTNESS); // set global brightness
+   FastLED.setMaxPowerInVoltsAndMilliamps(3,350);  //Constrain FastLED's power usage
+}
+
+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.
+ 
+    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 ) {  
+     HUE=HUE+COLORCHANGE;  // change the hue by a specified amount each time the cap touch pad is activated
+  if (HUE > 255){
+    HUE=0;}
+   Gradient();
+    }
+//  if (HUE==250) {
+//    dark();
+//  }
+    else {
+      Gradient();
+      
+    }
+
+   
+    
+  // Set the last button state to the old state.
+  oldState = newState;
+
+} 
+
+
+
+// GRADIENT --------------------------------------------------------------
+void Gradient()
+{
+  SetupGradientPalette();
+
+  static uint8_t startIndex = 0;
+  startIndex = startIndex - 1;  // motion speed
+
+  FillLEDsFromPaletteColors( startIndex);
+  FastLED.show();
+  FastLED.delay(SPEEDO);
+}
+
+// adjust hue, saturation and brightness values here to make a pleasing gradient
+
+void SetupGradientPalette()
+{
+  CRGB light = CHSV( HUE + 25, SATURATION - 20, BRIGHTNESS);
+  CRGB lightmed = CHSV (HUE + 15, SATURATION - 10, BRIGHTNESS-50);
+  CRGB medium = CHSV ( HUE + 10, SATURATION - 15, BRIGHTNESS);
+  CRGB dark  = CHSV( HUE, SATURATION, BRIGHTNESS);
+  CRGB black = CHSV (HUE, SATURATION, 0);
+  
+  currentPalette = CRGBPalette16( 
+    black,  light,  light,  light,
+    lightmed, lightmed, lightmed,  medium,
+    medium,  medium,  medium,  dark,
+    dark, dark, dark,  black );
+}
+
+void FillLEDsFromPaletteColors( uint8_t colorIndex)
+{
+  uint8_t brightness = BRIGHTNESS;
+  
+  for( int i = 0; i < NUM_LEDS; i++) {
+    leds[i] = ColorFromPalette( currentPalette, colorIndex, brightness, currentBlending);
+    colorIndex += STEPS;
+  }
+}
+
+void dark()
+{ 
+  for(int i = 0; i < NUM_LEDS; i++) { 
+  leds[i] = CRGB::Black; 
+  FastLED.show();
+  delay(20);
+}
+}
+