Working on adding a display.

include/Display.h

@@ -0,0 +1,34 @@
+#ifndef KIMODEM_DISPLAY_H
+#define KIMODEM_DISPLAY_H
+
+#include <Arduino.h>
+
+
+#define ANSI_CLEAR_SCREEN	"\33[2J"
+
+/*
+class Display {
+public:
+	Display();
+
+	void	Clear();
+	void	Draw();
+	bool	HasDisplay();
+
+	void	Print(const char *);
+	void	Println(const char *);
+	void	SetCursor(int16_t x, int16_t y);
+};
+*/
+
+#if defined(ADAFRUIT_OLED)
+#include "internal/DisplayAdafruitOLED.h"
+#else
+#include "internal/DisplayNone.h"
+#endif
+
+
+static Display	display;
+
+
+#endif

include/internal/DisplayAdafruitOLED.h

@@ -0,0 +1,26 @@
+#ifndef KIMODEM_ADAFRUIT_OLED_H
+#define KIMODEM_ADAFRUIT_OLED_H
+
+#include <Arduino.h>
+#include <SPI.h>
+#include <Wire.h>
+#include <Adafruit_SSD1306.h>
+
+class Display {
+public:
+	Display();
+
+	void	Clear();
+	void	Draw();
+	bool	HasDisplay();
+
+	void	Print(const char *);
+	void	Println(const char *);
+	void	SetCursor(int16_t x, int16_t y);
+private:
+	Adafruit_SSD1306	oled;
+};
+
+
+
+#endif

include/internal/DisplayNone.h

@@ -0,0 +1,20 @@
+#ifndef KIMODEM_DISPLAY_SERIAL
+#define KIMODEM_DISPLAY_SERIAL
+
+#include <Arduino.h>
+
+
+class Display {
+public:
+	Display() {};
+
+	void	Clear();
+	void	Draw();
+	bool	HasDisplay();
+
+	void	Print(const char *);
+	void	Println(const char *);
+	void	SetCursor(int16_t x, int16_t y);
+};
+
+#endif

include/prefs.h

@@ -6,8 +6,8 @@ namespace config {
 
 // Networking
 
-size_t	 LastSSID(char *ssid);
-void	 SetLastSSID(const char *ssid, size_t ssidlen);
+size_t	 LastSSID(char *ssid, size_t ssidlen);
+void	 SetLastSSID(const char *ssid);
 
 bool	 StartTryConnecting();
 void 	 SetStartTryConnecting(bool opt);