118 lines
5.2 KiB
C++
118 lines
5.2 KiB
C++
/* Display Template for FastLED
|
|
*
|
|
* By: Andrew Tuline
|
|
*
|
|
* Modified by: Andrew Tuline
|
|
*
|
|
* Date: July, 2015
|
|
*
|
|
* This is a simple non-blocking FastLED display sequence template.
|
|
*
|
|
*
|
|
*/
|
|
|
|
#include "FastLED.h" // FastLED library.
|
|
|
|
#if FASTLED_VERSION < 3001000
|
|
#error "Requires FastLED 3.1 or later; check github for latest code."
|
|
#endif
|
|
|
|
#define qsubd(x, b) ((x>b)?b:0) // Clip. . . . A digital unsigned subtraction macro. if result <0, then x=0. Otherwise, x=b.
|
|
#define qsuba(x, b) ((x>b)?x-b:0) // Level shift. . . Unsigned subtraction macro. if result <0, then x=0. Otherwise x=x-b.
|
|
|
|
|
|
// Fixed definitions cannot change on the fly.
|
|
#define LED_DT 12 // Data pin to connect to the strip.
|
|
#define LED_CK 11 // Clock pin for WS2801 or APA102.
|
|
#define COLOR_ORDER BGR // It's GRB for WS2812 and BGR for APA102.
|
|
#define LED_TYPE APA102 // Using APA102, WS2812, WS2801. Don't forget to modify LEDS.addLeds to suit.
|
|
#define NUM_LEDS 60 // Number of LED's.
|
|
|
|
// Global variables can be changed on the fly.
|
|
uint8_t max_bright = 128; // Overall brightness.
|
|
|
|
struct CRGB leds[NUM_LEDS]; // Initialize our LED array.
|
|
|
|
// Palette definitions
|
|
CRGBPalette16 currentPalette;
|
|
CRGBPalette16 targetPalette;
|
|
TBlendType currentBlending; // NOBLEND or LINEARBLEND
|
|
|
|
// Define variables used by the sequences.
|
|
int twinkrate = 100; // The higher the value, the lower the number of twinkles.
|
|
uint8_t thisdelay = 10; // A delay value for the sequence(s).
|
|
uint8_t thisfade = 8; // How quickly does it fade? Lower = slower fade rate.
|
|
uint8_t thishue = 50; // The hue.
|
|
uint8_t thissat = 255; // The saturation, where 255 = brilliant colours.
|
|
uint8_t thisbri = 255; // Brightness of a sequence.
|
|
bool randhue = 1; // Do we want random colours all the time? 1 = yes.
|
|
|
|
|
|
|
|
void setup() {
|
|
|
|
Serial.begin(57600); // Initialize serial port for debugging.
|
|
delay(1000); // Soft startup to ease the flow of electrons.
|
|
|
|
LEDS.addLeds<LED_TYPE, LED_DT, LED_CK, COLOR_ORDER>(leds, NUM_LEDS); // Use this for WS2801 or APA102
|
|
// LEDS.addLeds<LED_TYPE, LED_DT, COLOR_ORDER>(leds, NUM_LEDS); // Use this for WS2812
|
|
|
|
currentBlending = LINEARBLEND;
|
|
|
|
FastLED.setBrightness(max_bright);
|
|
set_max_power_in_volts_and_milliamps(5, 500); // FastLED Power management set at 5V, 500mA.
|
|
|
|
} // setup()
|
|
|
|
|
|
|
|
void loop () {
|
|
|
|
ChangeMe(); // Check the demo loop for changes to the variables.
|
|
|
|
EVERY_N_MILLISECONDS(100) {
|
|
uint8_t maxChanges = 24;
|
|
nblendPaletteTowardPalette(currentPalette, targetPalette, maxChanges); // AWESOME palette blending capability.
|
|
}
|
|
|
|
EVERY_N_MILLISECONDS(thisdelay) { // FastLED based non-blocking delay to update/display the sequence.
|
|
twinkle();
|
|
}
|
|
|
|
EVERY_N_SECONDS(5) { // Change the target palette to a random one every 5 seconds.
|
|
static uint8_t baseC = random8(); // You can use this as a baseline colour if you want similar hues in the next line.
|
|
targetPalette = CRGBPalette16(CHSV(random8(), 255, random8(128,255)), CHSV(random8(), 255, random8(128,255)), CHSV(random8(), 192, random8(128,255)), CHSV(random8(), 255, random8(128,255)));
|
|
}
|
|
|
|
FastLED.show();
|
|
|
|
Serial.println(LEDS.getFPS()); // Display frames per second on the serial monitor.
|
|
|
|
} // loop()
|
|
|
|
|
|
|
|
void twinkle() {
|
|
|
|
if (random8() < twinkrate) leds[random16(NUM_LEDS)] += ColorFromPalette(currentPalette, (randhue ? random8() : thishue), 255, currentBlending);
|
|
fadeToBlackBy(leds, NUM_LEDS, thisfade);
|
|
|
|
} // twinkle()
|
|
|
|
|
|
|
|
void ChangeMe() { // A time (rather than loop) based demo sequencer. This gives us full control over the length of each sequence.
|
|
|
|
uint8_t secondHand = (millis() / 1000) % 10; // IMPORTANT!!! Change '15' to a different value to change duration of the loop.
|
|
static uint8_t lastSecond = 99; // Static variable, means it's only defined once. This is our 'debounce' variable.
|
|
if (lastSecond != secondHand) { // Debounce to make sure we're not repeating an assignment.
|
|
lastSecond = secondHand;
|
|
switch(secondHand) {
|
|
case 0: thisdelay = 10; randhue = 1; thissat=255; thisfade=8; twinkrate=150; break; // You can change values here, one at a time , or altogether.
|
|
case 5: thisdelay = 100; randhue = 0; thishue=random8(); thisfade=2; twinkrate=20; break;
|
|
case 10: break;
|
|
}
|
|
}
|
|
|
|
} // ChangeMe()
|