same code as paul, different colours

hex_lamp_v2-amelia

@@ -0,0 +1,181 @@
+#include <Adafruit_NeoPixel.h>
+#define LED_PIN     9
+#define NUM_LEDS    7
+#define CLBUTTON    10
+Adafruit_NeoPixel pixels(NUM_LEDS, LED_PIN, NEO_GRB + NEO_KHZ800);
+int colourchoice = 0;
+int buttonState = 0;        // current state of the button
+int lastButtonState = 0;    // previous state of the button
+int startPressed = 0;    // the moment the button was pressed
+int endPressed = 0;      // the moment the button was released
+int holdTime = 0;        // how long the button was hold
+int idleTime = 0;        // how long the button was idle
+int currentcolour = 0;
+int lastcolour = 0;
+
+/////////// pot stuff
+
+int analogValue;
+int brightness;
+
+// Define the number of samples to keep track of. The higher the number, the
+// more the readings will be smoothed, but the slower the output will respond to
+// the input. Using a constant rather than a normal variable lets us use this
+// value to determine the size of the readings array.
+const int numReadings = 10;
+
+int readings[numReadings];  // the readings from the analog input
+int readIndex = 0;          // the index of the current reading
+int total = 0;              // the running total
+int average = 0;            // the average
+
+void setup() {
+  // put your setup code here, to run once:
+  pinMode(CLBUTTON, INPUT_PULLUP);
+  pixels.begin();  
+  for (int thisReading = 0; thisReading < numReadings; thisReading++) {
+    readings[thisReading] = 0;
+  }
+}
+
+void loop() {
+  buttonState = digitalRead(CLBUTTON);  
+  analogValue = analogRead(A0);  
+  // subtract the last reading:
+  total = total - readings[readIndex];
+  // read from the sensor:
+  readings[readIndex] = analogValue;
+  // add the reading to the total:
+  total = total + readings[readIndex];
+  // advance to the next position in the array:
+  readIndex = readIndex + 1;
+
+  // if we're at the end of the array...
+  if (readIndex >= numReadings) {
+    // ...wrap around to the beginning:
+    readIndex = 0;
+  }
+
+  // calculate the average:
+  average = total / numReadings;  
+  brightness = map(analogValue, 0, 1023, 0, 255);  
+  switch (colourchoice)
+  {
+    case 0:
+      setcolour(0,0,0);
+      break;                    
+    case 1:
+      setcolour(255,255,255);
+      break;  
+    case 2:
+      setcolour(255, 25, 255);
+      break;
+    case 3:
+      setcolour(255,0,0);
+      break;
+    case 4:
+      setcolour(0,255,0);
+      break;
+    case 5:
+      setcolour(0,0,255);
+      break;
+    case 6:
+      setcolour(255,255,0);
+      break;
+    case 7:
+      setcolour(0,255,255);
+      break;                          
+    case 8:
+      fire();
+      break;
+  }
+
+  if (buttonState != lastButtonState)
+  {
+    updateState();
+    if(buttonState == LOW){
+      changecolour();
+    }    
+    lastButtonState = buttonState;
+    delay(150);
+  }
+  else
+  {
+    updateCounter();
+  }
+
+  delay(50);
+}
+
+void fire()
+{
+  int r = 226, g = 121, b = 35;
+  delay(150);
+  do
+  {    
+    analogValue = analogRead(A0);
+    brightness = map(analogValue, 0, 1023, 0, 255);
+    for(int i=0; i<pixels.numPixels(); i++) 
+    {
+      int flicker = random(0,55);
+      int r1 = r-flicker;
+      int g1 = g-flicker;
+      int b1 = b-flicker;
+      if(g1<0) g1=0;
+      if(r1<0) r1=0;
+      if(b1<0) b1=0;
+      pixels.setPixelColor(i,r1,g1,b1);
+      pixels.setBrightness(brightness);
+      pixels.show();
+    }
+    delay(random(10,113));
+  } while(digitalRead(CLBUTTON)==HIGH);
+  changecolour();
+}
+
+void changecolour()
+{
+  if (colourchoice == 8) 
+  { 
+    colourchoice = 0;
+  }
+  else
+  {
+    colourchoice++;
+  }
+}
+
+void setcolour(int r, int g, int b)
+{
+  for( int i = 0; i < NUM_LEDS; i++) {
+    pixels.setPixelColor(i, pixels.Color(r, g, b));
+  }
+  pixels.setBrightness(brightness);
+  pixels.show();
+}
+
+void updateState() {
+  // the button has been just pressed
+  if (buttonState == LOW) {
+      startPressed = millis();
+      idleTime = startPressed - endPressed;
+
+  // the button has been just released
+  } else {
+      endPressed = millis();
+      holdTime = endPressed - startPressed;
+  }
+}
+
+void updateCounter() {
+  // the button is still pressed
+  if (buttonState == LOW) {
+      holdTime = millis() - startPressed;
+
+      if (holdTime >= 3000) {
+          colourchoice = 0;
+          pixels.setBrightness(0);
+          pixels.show();
+      }
+  }
+}