Add font #4 'fontlargeletter31x48'

Author: DaAwesomeP

examples/MicroOLED_Demo/MicroOLED_Demo.ino

@@ -284,6 +284,21 @@ void textExamples()
       s++;        // and increment s
     }
   }
+  
+  // Demonstrate font 4. 31x48. Let's use the print function
+  // to display some characters defined in this font.
+  oled.setFontType(4);  // Set font to type 4
+  oled.clear(PAGE);     // Clear the page
+  oled.setCursor(0, 0); // Set cursor to top-left
+  // Print can be used to print a string to the screen:
+  oled.print("OL");
+  oled.display();       // Refresh the display
+  delay(1000);          // Delay a second and repeat
+  oled.clear(PAGE);
+  oled.setCursor(0, 0);
+  oled.print("ED");
+  oled.display();
+  delay(1000);
 }
 
 void loop()

src/SFE_MicroOLED.cpp

@@ -50,6 +50,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "util/font8x16.h"
 #include "util/fontlargenumber.h"
 #include "util/7segment.h"
+#include "util/fontlargeletter31x48.h"
 
 // Change the total fonts included
 #define TOTALFONTS		4
@@ -60,6 +61,7 @@ const unsigned char *MicroOLED::fontsPointer[]={
 	,font8x16
 	,sevensegment
 	,fontlargenumber
+	,fontlargeletter31x48
 };
 
 /** \brief MicroOLED screen buffer.