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@fmpwizard
Last active January 27, 2016 07:20
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Control 150 LED lights, listen for code to go to next pattern
#include <Adafruit_NeoPixel.h>
#include "Arduino.h"
#ifdef __AVR__
#include <avr/power.h>
#endif
#define PIN 6
//On off with ultrasonic distance sensor
//RGB LED on pin 9 to indicate if lights are on or off
//======================================
int indicatorLED = 9;
int echoPin = 2; // Echo Pin
int trigPin = 4; // Trigger Pin
int maximumRange = 20; // Maximum range needed
int minimumRange = 5; // Minimum range needed
int cnt = 0;
long duration, distance; // Duration used to calculate distance
boolean sent = false; // did we just sent a signal to start recording?
boolean on = true;
//======================================
// Parameter 1 = number of pixels in strip
// Parameter 2 = Arduino pin number (most are valid)
// Parameter 3 = pixel type flags, add together as needed:
// NEO_KHZ800 800 KHz bitstream (most NeoPixel products w/WS2812 LEDs)
// NEO_KHZ400 400 KHz (classic 'v1' (not v2) FLORA pixels, WS2811 drivers)
// NEO_GRB Pixels are wired for GRB bitstream (most NeoPixel products)
// NEO_RGB Pixels are wired for RGB bitstream (v1 FLORA pixels, not v2)
Adafruit_NeoPixel strip = Adafruit_NeoPixel(150, PIN, NEO_GRB + NEO_KHZ800);
Adafruit_NeoPixel indicator = Adafruit_NeoPixel(1, indicatorLED, NEO_RGB + NEO_KHZ800);
// IMPORTANT: To reduce NeoPixel burnout risk, add 1000 uF capacitor across
// pixel power leads, add 300 - 500 Ohm resistor on first pixel's data input
// and minimize distance between Arduino and first pixel. Avoid connecting
// on a live circuit...if you must, connect GND first.
void setup() {
// This is for Trinket 5V 16MHz, you can remove these three lines if you are not using a Trinket
#if defined (__AVR_ATtiny85__)
if (F_CPU == 16000000) clock_prescale_set(clock_div_1);
#endif
// End of trinket special code
Serial.begin(9600);
strip.begin();
strip.show(); // Initialize all pixels to 'off'
indicator.begin();
indicator.setPixelColor(0, indicator.Color(0, 255, 0));
indicator.show();
//=============================
pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);
//=============================
}
//=============================
bool ultrasonicSensor() {
/* The following trigPin/echoPin cycle is used to determine the
distance of the nearest object by bouncing soundwaves off of it. */
digitalWrite(trigPin, LOW);
delayMicroseconds(2);
digitalWrite(trigPin, HIGH);
delayMicroseconds(10);
digitalWrite(trigPin, LOW);
duration = pulseIn(echoPin, HIGH);
//Calculate the distance (in cm) based on the speed of sound.
distance = duration/58.2;
if (distance >= maximumRange || distance <= minimumRange){
sent = false;
cnt = 0;
return false;
} else if (distance >= minimumRange && distance <= maximumRange && sent == false && cnt > 3){
Serial.println("triggered!");
cnt = 0;
sent = true;
for (int i=0; i < strip.numPixels(); i++) {
strip.setPixelColor(i, 0); //turn every third pixel off
}
strip.show();
return true;
} else if ( (distance <= maximumRange && distance >= minimumRange) && sent == false){
cnt++;
sent = false;
return false;
}
}
//=============================
int incomingByte = 0;
void loop() {
colorWipe(strip.Color(255, 10, 100), 50);
colorWipe(strip.Color(0, 150, 255), 50);
colorWipe(strip.Color(100, 0, 255), 50);
//theaterChase(strip.Color(127, 127, 127), 100); // White
//calculate effect time as
// 3 * delay * cycles
// 3 * 1000 * 2 = 6000ms => 6 seconds
// cycles = sec / 3 / delay
// 9000 / 3 / 100 => 30
//theaterChase(strip.Color(255, 0, 0), 100, 29); // Red
//Serial.println("2");
//theaterChase(strip.Color(0, 0, 255), 100, 6); // Blue
//theaterChase(strip.Color(0, 255, 0), 100, 10);
//rainbow(20);
rainbowCycle(20);
if (ultrasonicSensor() == true && on == false){
on = true;
indicator.setPixelColor(0, indicator.Color(0, 255, 0));
indicator.show();
delay(2000);
return;
}
//theaterChaseRainbow(50);
//theaterChaseRainbowMiddle(50);
}
// Fill the dots one after the other with a color
void colorWipe(uint32_t c, uint8_t wait) {
if (on == false) {
return;
}
for(uint16_t i=0; i<strip.numPixels(); i++) {
strip.setPixelColor(i, c);
strip.show();
if (ultrasonicSensor() == true && on == true){
lightsOff();
return;
}
delay(wait);
}
}
// Slightly different, this makes the rainbow equally distributed throughout
void rainbowCycle(uint8_t wait) {
if (on == false) {
return;
}
uint16_t i, j;
for(j=0; j<256*5; j++) { // 5 cycles of all colors on wheel
for(i=0; i< strip.numPixels(); i++) {
strip.setPixelColor(i, Wheel(((i * 256 / strip.numPixels()) + j) & 255));
}
strip.show();
if (ultrasonicSensor() == true && on == true){
lightsOff();
return;
}
delay(wait);
}
}
void lightsOff(){
for(int x=0; x < strip.numPixels(); x++){
strip.setPixelColor(x, strip.Color(0, 0, 0));
}
strip.show();
indicator.setPixelColor(0, indicator.Color(255, 0, 0));
indicator.show();
on = false;
delay(2000);
}
//Theatre-style crawling lights.
void theaterChase(uint32_t c, uint16_t wait, uint8_t cycles) {
for (int j=0; j<cycles; j++) { //do N cycles of chasing
for (int q=0; q < 3; q++) {
for (int i=0; i < strip.numPixels(); i=i+3) {
strip.setPixelColor(i+q, c); //turn every third pixel on
}
strip.show();
Serial.println(q);
delay(wait);
for (int i=0; i < strip.numPixels(); i=i+3) {
strip.setPixelColor(i+q, 0); //turn every third pixel off
}
}
}
}
//Theatre-style crawling lights with rainbow effect from corners to middle
void theaterChaseRainbowMiddle(uint8_t wait) {
for (int j=0; j < 256; j++) { // cycle all 256 colors in the wheel
for (int q=0; q < 3; q++) {
for (int i=0; i < strip.numPixels() /2; i=i+3) {
strip.setPixelColor(i+q, Wheel( (i+j) % 255)); //turn every third pixel on
}
for (int x=strip.numPixels(); x > strip.numPixels() /2; x=x-3) {
strip.setPixelColor(x-q, Wheel( (x-j) % 255)); //turn every third pixel on
}
strip.show();
//if (nextPattern() == true){
if (ultrasonicSensor() == true){
return;
}
delay(wait);
for (int i=0; i < strip.numPixels() / 2; i=i+3) {
strip.setPixelColor(i+q, 0); //turn every third pixel off
}
for (int i=strip.numPixels(); i > strip.numPixels() / 2; i=i-3) {
strip.setPixelColor(i-q, 0); //turn every third pixel off
}
}
}
}
void rainbow(uint8_t wait) {
uint16_t i, j;
for(j=0; j<256; j++) {
for(i=0; i<strip.numPixels(); i++) {
strip.setPixelColor(i, Wheel((i+j) & 255));
}
strip.show();
if (ultrasonicSensor() == true){
return;
}
delay(wait);
}
}
//Theatre-style crawling lights with rainbow effect
void theaterChaseRainbow(uint8_t wait) {
for (int j=0; j < 256; j++) { // cycle all 256 colors in the wheel
for (int q=0; q < 3; q++) {
for (int i=0; i < strip.numPixels(); i=i+3) {
strip.setPixelColor(i+q, Wheel( (i+j) % 255)); //turn every third pixel on
}
strip.show();
if (ultrasonicSensor() == true){
return;
}
delay(wait);
for (int i=0; i < strip.numPixels(); i=i+3) {
strip.setPixelColor(i+q, 0); //turn every third pixel off
}
}
}
}
// 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) {
WheelPos = 255 - WheelPos;
if(WheelPos < 85) {
return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
}
if(WheelPos < 170) {
WheelPos -= 85;
return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
}
WheelPos -= 170;
return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
}
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