Merge pull request #2818 from adafruit/pixel_trinkey_factory

adding factory test for pixel trinkey

Author: TheKitty

Factory_Tests/Pixel_Trinkey_FactoryTest/Pixel_Trinkey_FactoryTest.ino

@@ -0,0 +1,64 @@
+// SPDX-FileCopyrightText: 2024 ladyada for Adafruit Industries
+//
+// SPDX-License-Identifier: MIT
+
+#include <Adafruit_DotStar.h>
+#include <Adafruit_NeoPixel.h>
+
+#define NUMPIXELS 64
+Adafruit_DotStar  dotstrip(NUMPIXELS, PIN_DATA, PIN_CLOCK, DOTSTAR_BRG);
+Adafruit_NeoPixel neostrip(NUMPIXELS, PIN_DATA, NEO_GRB + NEO_KHZ800);
+Adafruit_NeoPixel pixel(1, PIN_NEOPIXEL, NEO_GRB + NEO_KHZ800); // internal board pixel
+
+void setup() {
+  Serial.begin(115200);
+  
+  dotstrip.begin();
+  dotstrip.setBrightness(25);
+  dotstrip.show();
+
+  neostrip.begin();
+  neostrip.setBrightness(25);
+  neostrip.show();
+
+  pixel.begin();
+  pixel.setBrightness(25);
+  pixel.show();
+}
+
+uint16_t firstPixelHue = 0;
+bool which_strip = false;
+
+void loop() {  
+  firstPixelHue += 256;
+
+  if (which_strip == true) {
+    // neopixel
+    for(int i=0; i<neostrip.numPixels(); i++) {
+      int pixelHue = firstPixelHue + (i * 65536L / neostrip.numPixels());
+      neostrip.setPixelColor(i, neostrip.gamma32(neostrip.ColorHSV(pixelHue)));
+    }
+    neostrip.show();
+  } else {
+    // dotstar
+    for(int i=0; i<dotstrip.numPixels(); i++) {
+      int pixelHue = firstPixelHue + (i * 65536L / dotstrip.numPixels());
+      dotstrip.setPixelColor(i, dotstrip.gamma32(dotstrip.ColorHSV(pixelHue)));
+    }
+    dotstrip.show();
+  }
+  pixel.setPixelColor(0, pixel.gamma32(pixel.ColorHSV(firstPixelHue)));
+  pixel.show();
+  delay(10);
+
+  if (firstPixelHue == 0) {
+    which_strip = !which_strip;
+  }
+
+  float powerVoltage;
+  powerVoltage = analogRead(A0) / 1023.0 * 3.3;
+  powerVoltage *= 2; // resistor divider by 2, so * by 2
+  Serial.print("Power voltage: ");
+  Serial.print(powerVoltage);
+  Serial.println(" V");
+}