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- // Multiple LCD setup test code - version 3 w. SPI - all 121 displays
- // Pin assignment:
- // 2: D4
- // 3: D5
- // 4: D6
- // 5: D7
- // 6: RS
- // 7: EN
- // 8: RGB_Neopixels
- // 9: 595_Latch
- //11: 595_Data
- //13: 595_Clock
- #include <Adafruit_NeoPixel.h>
- #include <LiquidCrystal.h>
- #include <SPI.h>
- // 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(121, 8, 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.
- const int rs = 6, en = 7, d4 = 2, d5 = 3, d6 = 4, d7 = 5;
- LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
- void shiftByte( uint8_t x){
- //1us function
- PORTB &= B11111101;//Data clock low
- SPI.beginTransaction(SPISettings(20000000, MSBFIRST, SPI_MODE0));//Start SPI transaction
- SPI.transfer(x);//Transfer data
- SPI.endTransaction();//End SPI transaction
- PORTB |= B00000010;//Data clock high, latch data
- }
- void setup() {
- pinMode(9, OUTPUT);
- SPI.begin();
- strip.begin();
- strip.show(); // Initialize all pixels to 'off'
- for (int i=1; i<=22; i++)
- {
- shiftByte(255);
- Serial.print(i);
- }
- // init LCD's
- lcd.begin(16, 2);
- lcd.clear();
- shiftByte(255);
- shiftByte(255); // First LCD
- lcd.setCursor(0, 0);
- lcd.print(" Labitat");
- lcd.setCursor(0, 1);
- lcd.print(" is awesome!");
- }
- void loop() {
- // Some example procedures showing how to display to the pixels:
- //colorWipe(strip.Color(255, 0, 0), 50); // Red
- //colorWipe(strip.Color(0, 255, 0), 50); // Green
- //colorWipe(strip.Color(0, 0, 255), 50); // Blue
- // Send a theater pixel chase in...
- //theaterChase(strip.Color(255, 255, 255), 10); // White
- //theaterChase(strip.Color(255, 0, 0), 50); // Red
- //theaterChase(strip.Color(0, 0, 255), 50); // Blue
- rainbow(5);
- rainbowCycle(1);
- theaterChaseRainbow(50);
- }
- // Fill the dots one after the other with a color
- 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);
- }
- }
- 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();
- delay(wait);
- }
- }
- // Slightly different, this makes the rainbow equally distributed throughout
- void rainbowCycle(uint8_t wait) {
- 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();
- delay(wait);
- }
- }
- //Theatre-style crawling lights.
- void theaterChase(uint32_t c, uint8_t wait) {
- for (int j=0; j<10; j++) { //do 10 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();
- 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
- void theaterChaseRainbow(uint8_t wait) {
- for (int j=0; j < 256; j++) { // cycle all 256 colors in the wheel
- for (int q=0; q < 9; q++) {
- for (int i=0; i < strip.numPixels(); i=i+9) {
- strip.setPixelColor(i+q, Wheel( (i+j) % 255)); //turn every third pixel on
- }
- strip.show();
- 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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