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authorkrolyxon <me@krolyxon.com>2026-06-08 23:12:15 +0530
committerkrolyxon <me@krolyxon.com>2026-06-08 23:12:15 +0530
commit8a4d103196312b8a18afc0a2ba0fc13ff1a0b180 (patch)
treea92424ac65fbdb93702ea8c44a5c52c9fd66e28c /.pio/libdeps/esp32-s3-n16r8/Adafruit NeoPixel/examples/StrandtestArduinoBLE
parent1d557527be495c59bbc07f194d903b1cec1780d3 (diff)
remove .pio
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-/****************************************************************************
- * This example is based on StrandtestBLE example and adapts it to use
- * the new ArduinoBLE library.
- *
- * https://github.com/arduino-libraries/ArduinoBLE
- *
- * Supported boards:
- * Arduino MKR WiFi 1010, Arduino Uno WiFi Rev2 board, Arduino Nano 33 IoT,
- Arduino Nano 33 BLE, or Arduino Nano 33 BLE Sense board.
- *
- * You can use a generic BLE central app, like LightBlue (iOS and Android) or
- * nRF Connect (Android), to interact with the services and characteristics
- * created in this sketch.
- *
- * This example code is in the public domain.
- *
- */
-#include <Adafruit_NeoPixel.h>
-
-#define PIN 15 // Pin where NeoPixels are connected
-
-// Declare our NeoPixel strip object:
-Adafruit_NeoPixel strip(64, 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)
-
-// 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)
-
-uint8_t rgb_values[3];
-
-#include <ArduinoBLE.h>
-
-BLEService ledService("19B10000-E8F2-537E-4F6C-D104768A1214"); // BLE LED Service
-
-// BLE LED Switch Characteristic - custom 128-bit UUID, read and writable by central
-BLEByteCharacteristic switchCharacteristic("19B10001-E8F2-537E-4F6C-D104768A1214", BLERead | BLEWrite);
-
-void setup()
-{
- Serial.begin(115200);
- Serial.println("Hello World!");
-
- // custom services and characteristics can be added as well
- // begin initialization
- if (!BLE.begin())
- {
- Serial.println("starting BLE failed!");
-
- while (1)
- ;
- }
-
- Serial.print("Peripheral address: ");
- Serial.println(BLE.address());
-
- // set advertised local name and service UUID:
- BLE.setLocalName("LED");
- BLE.setAdvertisedService(ledService);
-
- // add the characteristic to the service
- ledService.addCharacteristic(switchCharacteristic);
-
- // add service
- BLE.addService(ledService);
-
- // set the initial value for the characeristic:
- switchCharacteristic.writeValue(0);
-
- // start advertising
- BLE.advertise();
-
- strip.begin(); // INITIALIZE NeoPixel strip object (REQUIRED)
- strip.show(); // Turn OFF all pixels ASAP
-
- pinMode(PIN, OUTPUT);
- digitalWrite(PIN, LOW);
-
-}
-
-void loop()
-{
- BLEDevice central = BLE.central();
-
- // if a central is connected to peripheral:
- if (central)
- {
- Serial.print("Connected to central: ");
- // print the central's MAC address:
- Serial.println(central.address());
-
- // while the central is still connected to peripheral:
- while (central.connected())
- {
- // if the remote device wrote to the characteristic,
- // use the value to control the LED:
- if (switchCharacteristic.written())
- {
- switch (switchCharacteristic.value())
- {
- case 'a':
- colorWipe(strip.Color(255, 0, 0), 20); // Red
- break;
- case 'b':
- colorWipe(strip.Color(0, 255, 0), 20); // Green
- break;
- case 'c':
- colorWipe(strip.Color(0, 0, 255), 20); // Blue
- break;
- case 'd':
- theaterChase(strip.Color(255, 0, 0), 20); // Red
- break;
- case 'e':
- theaterChase(strip.Color(0, 255, 0), 20); // Green
- break;
- case 'f':
- theaterChase(strip.Color(255, 0, 255), 20); // Cyan
- break;
- case 'g':
- rainbow(10);
- break;
- case 'h':
- theaterChaseRainbow(20);
- break;
- }
- }
- }
- }
-}
-
-// 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 outer loop:
- for (long firstPixelHue = 0; firstPixelHue < 5 * 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
- }
- }
-}