demo code

Adafruit_TPL5111_Breakout/tpl5111demo.ino

@@ -0,0 +1,69 @@
+#include <Adafruit_NeoPixel.h>
+
+#if defined(ESP8266)
+  #define NEOPIX   4
+  #define DONEPIN  5
+#else
+  #include <Adafruit_SleepyDog.h>
+  #define NEOPIX   13
+  #define DONEPIN  12
+#endif
+
+Adafruit_NeoPixel strip = Adafruit_NeoPixel(12, NEOPIX, NEO_GRB + NEO_KHZ800);
+
+
+void setup() {
+  pinMode(DONEPIN, OUTPUT);
+  digitalWrite(DONEPIN, LOW);
+  Serial.begin(115200);
+  Serial.println("Light up NeoPixels!");
+
+  strip.begin();
+  strip.show(); // Initialize all pixels to 'off'
+  strip.setBrightness(20);
+}
+
+void loop() {
+  rainbowCycle(5);
+
+  Serial.println("NeoPixels done, sleeping");
+
+  // toggle DONE so TPL knows to cut power!
+  while (1) {
+    digitalWrite(DONEPIN, HIGH);
+    delay(1);
+    digitalWrite(DONEPIN, LOW);
+    delay(1);
+  }
+  
+  Serial.println("Awake!");
+}
+
+// Slightly different, this makes the rainbow equally distributed throughout
+void rainbowCycle(uint8_t wait) {
+  uint16_t i, j;
+
+  for(j=0; j<256*1; j++) { // 5 cycles of all colors on wheel
+    for(i=0; i< strip.numPixels(); i++) {
+      strip.setPixelColor(i, Wheel(((i * 256 / strip.numPixels()) + j) & 255));
+    }
+    strip.show();
+    delay(wait);
+  }
+}
+
+
+// Input a value 0 to 255 to get a color value.
+// The colours are a transition r - g - b - back to r.
+uint32_t Wheel(byte WheelPos) {
+  WheelPos = 255 - WheelPos;
+  if(WheelPos < 85) {
+    return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
+  }
+  if(WheelPos < 170) {
+    WheelPos -= 85;
+    return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
+  }
+  WheelPos -= 170;
+  return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
+}