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Diffstat (limited to '.pio/libdeps/esp32-s3-n16r8/Adafruit NeoPixel/examples/strandtest')
| -rw-r--r-- | .pio/libdeps/esp32-s3-n16r8/Adafruit NeoPixel/examples/strandtest/.esp8266.test.skip | 0 | ||||
| -rw-r--r-- | .pio/libdeps/esp32-s3-n16r8/Adafruit NeoPixel/examples/strandtest/strandtest.ino | 143 |
2 files changed, 143 insertions, 0 deletions
diff --git a/.pio/libdeps/esp32-s3-n16r8/Adafruit NeoPixel/examples/strandtest/.esp8266.test.skip b/.pio/libdeps/esp32-s3-n16r8/Adafruit NeoPixel/examples/strandtest/.esp8266.test.skip new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/.pio/libdeps/esp32-s3-n16r8/Adafruit NeoPixel/examples/strandtest/.esp8266.test.skip diff --git a/.pio/libdeps/esp32-s3-n16r8/Adafruit NeoPixel/examples/strandtest/strandtest.ino b/.pio/libdeps/esp32-s3-n16r8/Adafruit NeoPixel/examples/strandtest/strandtest.ino new file mode 100644 index 0000000..f4554cc --- /dev/null +++ b/.pio/libdeps/esp32-s3-n16r8/Adafruit NeoPixel/examples/strandtest/strandtest.ino @@ -0,0 +1,143 @@ +// A basic everyday NeoPixel strip test program. + +// NEOPIXEL BEST PRACTICES for most reliable operation: +// - Add 1000 uF CAPACITOR between NeoPixel strip's + and - connections. +// - MINIMIZE WIRING LENGTH between microcontroller board and first pixel. +// - NeoPixel strip's DATA-IN should pass through a 300-500 OHM RESISTOR. +// - AVOID connecting NeoPixels on a LIVE CIRCUIT. If you must, ALWAYS +// connect GROUND (-) first, then +, then data. +// - When using a 3.3V microcontroller with a 5V-powered NeoPixel strip, +// a LOGIC-LEVEL CONVERTER on the data line is STRONGLY RECOMMENDED. +// (Skipping these may work OK on your workbench but can fail in the field) + +#include <Adafruit_NeoPixel.h> +#ifdef __AVR__ + #include <avr/power.h> // Required for 16 MHz Adafruit Trinket +#endif + +// Which pin on the Arduino is connected to the NeoPixels? +// On a Trinket or Gemma we suggest changing this to 1: +#define LED_PIN 6 + +// How many NeoPixels are attached to the Arduino? +#define LED_COUNT 60 + +// Declare our NeoPixel strip object: +Adafruit_NeoPixel strip(LED_COUNT, LED_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) + + +// setup() function -- runs once at startup -------------------------------- + +void setup() { + // These lines are specifically to support the Adafruit Trinket 5V 16 MHz. + // Any other board, you can remove this part (but no harm leaving it): +#if defined(__AVR_ATtiny85__) && (F_CPU == 16000000) + clock_prescale_set(clock_div_1); +#endif + // END of Trinket-specific code. + + strip.begin(); // INITIALIZE NeoPixel strip object (REQUIRED) + strip.show(); // Turn OFF all pixels ASAP + strip.setBrightness(50); // Set BRIGHTNESS to about 1/5 (max = 255) +} + + +// loop() function -- runs repeatedly as long as board is on --------------- + +void loop() { + // Fill along the length of the strip in various colors... + colorWipe(strip.Color(255, 0, 0), 50); // Red + colorWipe(strip.Color( 0, 255, 0), 50); // Green + colorWipe(strip.Color( 0, 0, 255), 50); // Blue + + // Do a theater marquee effect in various colors... + theaterChase(strip.Color(127, 127, 127), 50); // White, half brightness + theaterChase(strip.Color(127, 0, 0), 50); // Red, half brightness + theaterChase(strip.Color( 0, 0, 127), 50); // Blue, half brightness + + rainbow(10); // Flowing rainbow cycle along the whole strip + theaterChaseRainbow(50); // Rainbow-enhanced theaterChase variant +} + + +// Some functions of our own for creating animated effects ----------------- + +// 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 5 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 5*65536. Adding 256 to firstPixelHue each time + // means we'll make 5*65536/256 = 1280 passes through this loop: + for(long firstPixelHue = 0; firstPixelHue < 5*65536; firstPixelHue += 256) { + // strip.rainbow() can take a single argument (first pixel hue) or + // optionally a few extras: number of rainbow repetitions (default 1), + // saturation and value (brightness) (both 0-255, similar to the + // ColorHSV() function, default 255), and a true/false flag for whether + // to apply gamma correction to provide 'truer' colors (default true). + strip.rainbow(firstPixelHue); + // Above line is equivalent to: + // strip.rainbow(firstPixelHue, 1, 255, 255, true); + 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 + } + } +} |