#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
#include <avr/power.h>
#endif
#define PIN 9
// 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)
// NEO_RGBW Pixels are wired for RGBW bitstream (NeoPixel RGBW products)
Adafruit_NeoPixel strip = Adafruit_NeoPixel(16, PIN, NEO_GRB + 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.
volatile int frame=0;
#include <Keypad.h>
const byte ROWS = 4; // Four rows
const byte COLS = 3; // Three columns
// Define the Keymap
char keys[ROWS][COLS] = {
{'1','2','3'},
{'4','5','6'},
{'7','8','9'},
{'A','0','B'}
};
// Connect keypad ROW0, ROW1, ROW2 and ROW3 to these Arduino pins.
byte rowPins[ROWS] = { 8, 7, 6, 5 };
// Connect keypad COL0, COL1 and COL2 to these Arduino pins.
byte colPins[COLS] = { 4, 3, 2 };
// Create the Keypad
Keypad kpd = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS );
void setup() {
strip.begin();
strip.show(); // Initialize all pixels to 'off'
//set pins as outputs
pinMode(13, OUTPUT);
// Fill the dots one after the other with a color
cli();//stop interrupts
//set timer1 interrupt at 1Hz
TCCR1A = 0;// set entire TCCR1A register to 0
TCCR1B = 0;// same for TCCR1B
TCNT1 = 0;//initialize counter value to 0
// set compare match register for 1hz increments
OCR1A = 977;// = (16*10^6) / (8*1024) - 1 (must be <65536)
// turn on CTC mode
TCCR1B |= (1 << WGM12);
// Set CS10 and CS12 bits for 1024 prescaler
TCCR1B |= (1 << CS12) | (1 << CS10);
// enable timer compare interrupt
TIMSK1 |= (1 << OCIE1A);
sei();//allow interrupts
}//end setup
ISR(TIMER1_COMPA_vect){//timer1 interrupt 1Hz toggles pin 13 (LED)
//generates pulse wave of frequency 1Hz/2 = 0.5kHz (takes two cycles for full wave- toggle high then toggle low)
if(frame==1){
strip.setPixelColor(0,60,0,0);
strip.show();
frame++;
}
else if(frame==2) {
strip.setPixelColor(1,60,0,0);
strip.show();
frame++;
}
else if(frame==3) {
strip.setPixelColor(2,60,0,0);
strip.show();
frame++;
}
else if(frame==4) {
strip.setPixelColor(3,60,0,0);
strip.show();
frame++;
}
else if(frame==5) {
strip.setPixelColor(4,60,0,0);
strip.show();
frame++;
}
else if(frame==6) {
strip.setPixelColor(5,60,0,0);
delay(50);
strip.show();
frame++;
}
else if(frame==7) {
strip.setPixelColor(6,60,0,0);
strip.show();
frame++;
}
else if(frame==8) {
strip.setPixelColor(7,60,0,0);
delay(50);
strip.show();
frame++;
}
else if(frame==9) {
strip.setPixelColor(8,60,0,0);
strip.show();
frame++;
}
else if(frame==10) {
strip.setPixelColor(9,60,0,0);
strip.show();
frame++;
}
else if(frame==11) {
strip.setPixelColor(10,60,0,0);
strip.show();
frame++;
}
else if(frame==12) {
strip.setPixelColor(11,60,0,0);
strip.show();
frame++;
}
else if(frame==13) {
strip.setPixelColor(12,60,0,0);
strip.show();
frame++;
}
else if(frame==14) {
strip.setPixelColor(13,60,0,0);
strip.show();
frame++;
}
else if(frame==15) {
strip.setPixelColor(14,60,0,0);
strip.show();
frame++;
}
else if(frame==16) {
strip.setPixelColor(15,60,0,0);
strip.show();
}
else if(frame==17){
strip.setPixelColor(15,0,0,0);
strip.show();
frame++;
}
else if(frame==18) {
strip.setPixelColor(14,0,0,0);
strip.show();
frame++;
}
else if(frame==19) {
strip.setPixelColor(13,0,0,0);
strip.show();
frame++;
}
else if(frame==20) {
strip.setPixelColor(12,0,0,0);
strip.show();
frame++;
}
else if(frame==21) {
strip.setPixelColor(11,0,0,0);
strip.show();
frame++;
}
else if(frame==22) {
strip.setPixelColor(10,0,0,0);
delay(50);
strip.show();
frame++;
}
else if(frame==23) {
strip.setPixelColor(9,0,0,0);
strip.show();
frame++;
}
else if(frame==24) {
strip.setPixelColor(8,0,0,0);
delay(50);
strip.show();
frame++;
}
else if(frame==25) {
strip.setPixelColor(7,0,0,0);
strip.show();
frame++;
}
else if(frame==26) {
strip.setPixelColor(6,0,0,0);
strip.show();
frame++;
}
else if(frame==27) {
strip.setPixelColor(5,0,0,0);
strip.show();
frame++;
}
else if(frame==28) {
strip.setPixelColor(4,0,0,0);
strip.show();
frame++;
}
else if(frame==29) {
strip.setPixelColor(3,0,0,0);
strip.show();
frame++;
}
else if(frame==30) {
strip.setPixelColor(2,0,0,0);
strip.show();
frame++;
}
else if(frame==31) {
strip.setPixelColor(1,0,0,0);
strip.show();
frame++;
}
else if(frame==32) {
strip.setPixelColor(0,0,0,0);
strip.show();
} else if(frame==33) {
strip.setPixelColor(random(16),random(0,25),random(0,25),random(0,25));
strip.setPixelColor(random(16),0,0,0,0);
strip.setPixelColor(random(16),0,0,0,0);
delay(30);
strip.show();
}
else if(frame==34){frame=0;}
}
void loop()
{
char key = kpd.getKey();
if(key) // Check for a valid key.
{
switch (key)
{
case '1':
frame = 1;
break;
case '2':
frame = 17;
break;
case '3':
frame = 33;
break;
default:
break;
}
}
}
void colorWipe(uint32_t c, uint8_t wait) {
for(uint16_t i=0; i<strip.numPixels(); i++) {
strip.setPixelColor(i, c);
strip.show();
delay(wait);
}
}
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