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Diffstat (limited to '.pio/libdeps/esp32-s3-n16r8/Adafruit NeoPixel/examples/buttoncycler')
| -rw-r--r-- | .pio/libdeps/esp32-s3-n16r8/Adafruit NeoPixel/examples/buttoncycler/.esp8266.test.skip | 0 | ||||
| -rw-r--r-- | .pio/libdeps/esp32-s3-n16r8/Adafruit NeoPixel/examples/buttoncycler/buttoncycler.ino | 164 |
2 files changed, 164 insertions, 0 deletions
diff --git a/.pio/libdeps/esp32-s3-n16r8/Adafruit NeoPixel/examples/buttoncycler/.esp8266.test.skip b/.pio/libdeps/esp32-s3-n16r8/Adafruit NeoPixel/examples/buttoncycler/.esp8266.test.skip new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/.pio/libdeps/esp32-s3-n16r8/Adafruit NeoPixel/examples/buttoncycler/.esp8266.test.skip diff --git a/.pio/libdeps/esp32-s3-n16r8/Adafruit NeoPixel/examples/buttoncycler/buttoncycler.ino b/.pio/libdeps/esp32-s3-n16r8/Adafruit NeoPixel/examples/buttoncycler/buttoncycler.ino new file mode 100644 index 0000000..f6d87ed --- /dev/null +++ b/.pio/libdeps/esp32-s3-n16r8/Adafruit NeoPixel/examples/buttoncycler/buttoncycler.ino @@ -0,0 +1,164 @@ +// Simple demonstration on using an input device to trigger changes on your +// NeoPixels. Wire a momentary push button to connect from ground to a +// digital IO pin. When the button is pressed it will change to a new pixel +// animation. Initial state has all pixels off -- press the button once to +// start the first animation. As written, the button does not interrupt an +// animation in-progress, it works only when idle. + +#include <Adafruit_NeoPixel.h> +#ifdef __AVR__ + #include <avr/power.h> // Required for 16 MHz Adafruit Trinket +#endif + +// Digital IO pin connected to the button. This will be driven with a +// pull-up resistor so the switch pulls the pin to ground momentarily. +// On a high -> low transition the button press logic will execute. +#define BUTTON_PIN 2 + +#define PIXEL_PIN 6 // Digital IO pin connected to the NeoPixels. + +#define PIXEL_COUNT 16 // Number of NeoPixels + +// Declare our NeoPixel strip object: +Adafruit_NeoPixel strip(PIXEL_COUNT, PIXEL_PIN, NEO_GRB + NEO_KHZ800); +// Argument 1 = Number of pixels in NeoPixel strip +// Argument 2 = Arduino pin number (most are valid) +// Argument 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) + +boolean oldState = HIGH; +int mode = 0; // Currently-active animation mode, 0-9 + +void setup() { + pinMode(BUTTON_PIN, INPUT_PULLUP); + strip.begin(); // Initialize NeoPixel strip object (REQUIRED) + strip.show(); // Initialize all pixels to 'off' +} + +void loop() { + // Get current button state. + boolean newState = digitalRead(BUTTON_PIN); + + // Check if state changed from high to low (button press). + if((newState == LOW) && (oldState == HIGH)) { + // Short delay to debounce button. + delay(20); + // Check if button is still low after debounce. + newState = digitalRead(BUTTON_PIN); + if(newState == LOW) { // Yes, still low + if(++mode > 8) mode = 0; // Advance to next mode, wrap around after #8 + switch(mode) { // Start the new animation... + case 0: + colorWipe(strip.Color( 0, 0, 0), 50); // Black/off + break; + case 1: + colorWipe(strip.Color(255, 0, 0), 50); // Red + break; + case 2: + colorWipe(strip.Color( 0, 255, 0), 50); // Green + break; + case 3: + colorWipe(strip.Color( 0, 0, 255), 50); // Blue + break; + case 4: + theaterChase(strip.Color(127, 127, 127), 50); // White + break; + case 5: + theaterChase(strip.Color(127, 0, 0), 50); // Red + break; + case 6: + theaterChase(strip.Color( 0, 0, 127), 50); // Blue + break; + case 7: + rainbow(10); + break; + case 8: + theaterChaseRainbow(50); + break; + } + } + } + + // Set the last-read button state to the old state. + oldState = newState; +} + +// Fill strip pixels one after another with a color. Strip is NOT cleared +// first; anything there will be covered pixel by pixel. Pass in color +// (as a single 'packed' 32-bit value, which you can get by calling +// strip.Color(red, green, blue) as shown in the loop() function above), +// and a delay time (in milliseconds) between pixels. +void colorWipe(uint32_t color, int wait) { + for(int i=0; i<strip.numPixels(); i++) { // For each pixel in strip... + strip.setPixelColor(i, color); // Set pixel's color (in RAM) + strip.show(); // Update strip to match + delay(wait); // Pause for a moment + } +} + +// Theater-marquee-style chasing lights. Pass in a color (32-bit value, +// a la strip.Color(r,g,b) as mentioned above), and a delay time (in ms) +// between frames. +void theaterChase(uint32_t color, int wait) { + for(int a=0; a<10; a++) { // Repeat 10 times... + for(int b=0; b<3; b++) { // 'b' counts from 0 to 2... + strip.clear(); // Set all pixels in RAM to 0 (off) + // 'c' counts up from 'b' to end of strip in steps of 3... + for(int c=b; c<strip.numPixels(); c += 3) { + strip.setPixelColor(c, color); // Set pixel 'c' to value 'color' + } + strip.show(); // Update strip with new contents + delay(wait); // Pause for a moment + } + } +} + +// Rainbow cycle along whole strip. Pass delay time (in ms) between frames. +void rainbow(int wait) { + // Hue of first pixel runs 3 complete loops through the color wheel. + // Color wheel has a range of 65536 but it's OK if we roll over, so + // just count from 0 to 3*65536. Adding 256 to firstPixelHue each time + // means we'll make 3*65536/256 = 768 passes through this outer loop: + for(long firstPixelHue = 0; firstPixelHue < 3*65536; firstPixelHue += 256) { + for(int i=0; i<strip.numPixels(); i++) { // For each pixel in strip... + // Offset pixel hue by an amount to make one full revolution of the + // color wheel (range of 65536) along the length of the strip + // (strip.numPixels() steps): + int pixelHue = firstPixelHue + (i * 65536L / strip.numPixels()); + // strip.ColorHSV() can take 1 or 3 arguments: a hue (0 to 65535) or + // optionally add saturation and value (brightness) (each 0 to 255). + // Here we're using just the single-argument hue variant. The result + // is passed through strip.gamma32() to provide 'truer' colors + // before assigning to each pixel: + strip.setPixelColor(i, strip.gamma32(strip.ColorHSV(pixelHue))); + } + strip.show(); // Update strip with new contents + delay(wait); // Pause for a moment + } +} + +// Rainbow-enhanced theater marquee. Pass delay time (in ms) between frames. +void theaterChaseRainbow(int wait) { + int firstPixelHue = 0; // First pixel starts at red (hue 0) + for(int a=0; a<30; a++) { // Repeat 30 times... + for(int b=0; b<3; b++) { // 'b' counts from 0 to 2... + strip.clear(); // Set all pixels in RAM to 0 (off) + // 'c' counts up from 'b' to end of strip in increments of 3... + for(int c=b; c<strip.numPixels(); c += 3) { + // hue of pixel 'c' is offset by an amount to make one full + // revolution of the color wheel (range 65536) along the length + // of the strip (strip.numPixels() steps): + int hue = firstPixelHue + c * 65536L / strip.numPixels(); + uint32_t color = strip.gamma32(strip.ColorHSV(hue)); // hue -> RGB + strip.setPixelColor(c, color); // Set pixel 'c' to value 'color' + } + strip.show(); // Update strip with new contents + delay(wait); // Pause for a moment + firstPixelHue += 65536 / 90; // One cycle of color wheel over 90 frames + } + } +} |