tweaking test code

stage2/src/main.cc

@@ -2,27 +2,41 @@
 
 
 Adafruit_NeoPixel pixels(1, 11, NEO_GRB + NEO_KHZ800);
+auto cRed = pixels.Color(255, 0, 0);
+auto cBlue = pixels.Color(0, 0, 255);
 
 
 void
-init()
+setup()
 {
 	Serial.begin(115200);
+	pixels.begin();
+	pixels.clear();
+	pixels.show();
 }
 
 
 void
-main()
+loop()
 {
 	static bool	on = false;
 	Serial.println("blink");
 
 	if (on) {
-		pixels.clear();
+		for (int i = 10; i < 255; i++) {
+			auto c = pixels.Color(0, (uint8_t)i, 0);
+			pixels.setPixelColor(0, c);
+			pixels.show();
+			delay(4);
+		}
+		on = false;
 	} else {
-		pixels.setPixelColor(0, pixels.color(0, 255, 0));
+		for (int i = 255; i > 9; i--) {
+			auto c = pixels.Color(0, (uint8_t)i, 0);
+			pixels.setPixelColor(0, c);
+			pixels.show();
+			delay(4);
+		}
+		on = true;
 	}
-	pixels.show();
-
-	delay(1000);
 }