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December 28, 2015 03:25
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#include <FastLED.h> | |
#include <MicroView.h> | |
#include <RBD_Timer.h> | |
#include <RBD_Button.h> | |
FASTLED_USING_NAMESPACE | |
// FastLED "100-lines-of-code" demo reel, showing just a few | |
// of the kinds of animation patterns you can quickly and easily | |
// compose using FastLED. | |
// | |
// This example also shows one easy way to define multiple | |
// animations patterns and have them automatically rotate. | |
// | |
// -Mark Kriegsman, December 2014 | |
//////////////////// | |
// Pin configuration | |
//////////////////// | |
#define LED_DATA_PIN 3 | |
#define KNOB_PIN A1 | |
#define BUTTON_PIN 2 | |
#if FASTLED_VERSION < 3001000 | |
#error "Requires FastLED 3.1 or later; check github for latest code." | |
#endif | |
#define LED_TYPE WS2811 | |
#define COLOR_ORDER GRB | |
#define NUM_LEDS 50 | |
CRGB leds[NUM_LEDS]; | |
#define BRIGHTNESS 96 | |
#define FRAMES_PER_SECOND 120 | |
MicroViewWidget *widget; // create widget pointer | |
uint8_t sensorValue = 0; // variable to store the value coming from the sensor | |
// Create a handy Button object | |
RBD::Button button(BUTTON_PIN); // input_pullup by default | |
#define ARRAY_SIZE(A) (sizeof(A) / sizeof((A)[0])) | |
uint8_t gCurrentPatternNumber = 0; // Index number of which pattern is current | |
uint8_t gHue = 0; // rotating "base color" used by many of the patterns | |
float underlyingHue = 0.0; | |
//volatile uint8_t needsChange = 0; | |
void setup() { | |
delay(3000); // 3 second delay for recovery | |
// tell FastLED about the LED strip configuration | |
FastLED.addLeds<LED_TYPE,LED_DATA_PIN,COLOR_ORDER>(leds, NUM_LEDS).setCorrection(TypicalLEDStrip); | |
// set master brightness control | |
FastLED.setBrightness(BRIGHTNESS); | |
///////////////////////////////// | |
// Setup for MicroView components | |
///////////////////////////////// | |
digitalWrite(KNOB_PIN, HIGH); // Internal Pull-up | |
pinMode(KNOB_PIN, INPUT); // make pin as INPUT | |
uView.begin(); // start MicroView | |
uView.clear(PAGE); // clear page | |
widget = new MicroViewSlider(0, 20, 0, 1023, WIDGETSTYLE1 + WIDGETNOVALUE); // make widget as Silder STYLE1 | |
uView.display(); // display the content in the screen buffer | |
} | |
// List of patterns to cycle through. Each is defined as a separate function below. | |
typedef void (*SimplePatternList[])(); | |
SimplePatternList gPatterns = { rainbow, rainbowWithGlitter, confetti, sinelon, juggle, bpm }; | |
//SimplePatternList gPatterns = { rainbow }; | |
void nextPattern() | |
{ | |
// add one to the current pattern number, and wrap around at the end | |
gCurrentPatternNumber = (gCurrentPatternNumber + 1) % ARRAY_SIZE( gPatterns); | |
} | |
void loop() | |
{ | |
///////////////////////////////// | |
// Read and Update MicroView components | |
///////////////////////////////// | |
sensorValue = 1024 - analogRead(KNOB_PIN); // read sensorPin | |
widget->setValue(sensorValue); // set value of sensorPin to widget | |
uView.setCursor(0,0); | |
uView.print(gCurrentPatternNumber); | |
uView.setCursor(20,0); | |
if (button.onPressed()) { | |
uView.print("PRESS"); | |
nextPattern(); | |
} | |
if (button.onReleased()) { | |
uView.print(" "); | |
} | |
uView.display(); // display the content in the screen buffer | |
// Call the current pattern function once, updating the 'leds' array | |
gPatterns[gCurrentPatternNumber](); | |
// send the 'leds' array out to the actual LED strip | |
FastLED.show(); | |
// insert a delay to keep the framerate modest | |
FastLED.delay(1000/FRAMES_PER_SECOND); | |
// do some periodic updates | |
// slowly cycle the "base color" through the rainbow | |
EVERY_N_MILLISECONDS( 20 ) { | |
underlyingHue += (sensorValue / 256.0); | |
gHue = underlyingHue; | |
} | |
// EVERY_N_SECONDS( 10 ) { nextPattern(); } // change patterns periodically | |
} | |
void rainbow() | |
{ | |
// FastLED's built-in rainbow generator | |
fill_rainbow( leds, NUM_LEDS, gHue, 7); | |
} | |
void rainbowWithGlitter() | |
{ | |
// built-in FastLED rainbow, plus some random sparkly glitter | |
rainbow(); | |
addGlitter(80); | |
} | |
void addGlitter( fract8 chanceOfGlitter) | |
{ | |
if( random8() < chanceOfGlitter) { | |
leds[ random16(NUM_LEDS) ] += CRGB::White; | |
} | |
} | |
void confetti() | |
{ | |
// random colored speckles that blink in and fade smoothly | |
fadeToBlackBy( leds, NUM_LEDS, 10); | |
int pos = random16(NUM_LEDS); | |
leds[pos] += CHSV( gHue + random8(64), 200, 255); | |
} | |
void sinelon() | |
{ | |
// a colored dot sweeping back and forth, with fading trails | |
fadeToBlackBy( leds, NUM_LEDS, 20); | |
int pos = beatsin16(13,0,NUM_LEDS); | |
leds[pos] += CHSV( gHue, 255, 192); | |
} | |
void bpm() | |
{ | |
// colored stripes pulsing at a defined Beats-Per-Minute (BPM) | |
uint8_t BeatsPerMinute = 62; | |
CRGBPalette16 palette = PartyColors_p; | |
uint8_t beat = beatsin8( BeatsPerMinute, 64, 255); | |
for( int i = 0; i < NUM_LEDS; i++) { //9948 | |
leds[i] = ColorFromPalette(palette, gHue+(i*2), beat-gHue+(i*10)); | |
} | |
} | |
void juggle() { | |
// eight colored dots, weaving in and out of sync with each other | |
fadeToBlackBy( leds, NUM_LEDS, 20); | |
byte dothue = 0; | |
for( int i = 0; i < 8; i++) { | |
leds[beatsin16(i+7,0,NUM_LEDS)] |= CHSV(dothue, 200, 255); | |
dothue += 32; | |
} | |
} |
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