updating

stage2/include/colors.h

@@ -0,0 +1,11 @@
+#pragma once
+
+// Color definitions
+#define BLACK    0x0000
+#define BLUE     0x001F
+#define RED      0xF800
+#define GREEN    0x07E0
+#define CYAN     0x07FF
+#define MAGENTA  0xF81F
+#define YELLOW   0xFFE0 
+#define WHITE    0xFFFF

stage2/src/main.cc

@@ -1,5 +1,16 @@
 #include <Adafruit_NeoPixel.h>
+#include <Adafruit_GFX.h>
+#include <Adafruit_ILI9341.h>
+#include <Fonts/FreeSans12pt7b.h>
 
+#include "colors.h"
+
+#define TFT_CS 9
+#define TFT_DC 10
+#define BACKGROUND_COLOR	0xDEFB
+#define FOREGROUND_COLOR	BLACK
+
+Adafruit_ILI9341 tft(TFT_CS, TFT_DC);
 
 Adafruit_NeoPixel pixels(1, 11, NEO_GRB + NEO_KHZ800);
 auto cOff = pixels.Color(0, 0, 0);
@@ -15,6 +26,19 @@ setup()
 	pixels.begin();
 	pixels.clear();
 	pixels.show();
+
+	tft.begin();
+	tft.setRotation(1);
+	tft.setTextSize(1);
+	tft.setCursor(0, 8);
+
+	tft.fillScreen(BACKGROUND_COLOR);
+	tft.setTextColor(FOREGROUND_COLOR);
+  	
+  	tft.println(" \\ (define square (x) (* x ))");
+	tft.println(" \\ (square 3)");
+	tft.println(" 9");
+	tft.println(" \\ ");
 }
 
 
@@ -50,6 +74,7 @@ pixelOn(uint32_t c)
 	pixels.show();
 }
 
+
 void
 pixelOff()
 {
@@ -64,4 +89,5 @@ loop()
 	static bool	on = false;
 
 	on = blink(on);
+	delayMicroseconds(100);
 }