Simple library for interfacing to Nokia 5110 LCD display (as found on the SparkFun website). Edited to include additional feaatures, such as 2d array loading, multiple screen buffers, and better backlight control

Dependencies:   N5110

Dependents:   Main_code_ver18

Fork of N5110 by Craig Evans

Revision:
9:7701f0126ba7
Parent:
8:40abe5736eca
Child:
10:6f3abb40202b
--- a/N5110.cpp	Mon May 19 18:45:48 2014 +0000
+++ b/N5110.cpp	Tue May 20 19:43:52 2014 +0000
@@ -237,11 +237,21 @@
     // loop through string and print character
     while(*str) {
 
-        setXYAddress(x+6*n,y);  // leave 1 pixel (6 = 5 + 1) between each character
-        printChar(*str);   // print the char - can probably do *str++ and remove next line
+        // This is the old version - strings are printed using the printChar function
+        //setXYAddress(x+6*n,y);  // leave 1 pixel (6 = 5 + 1) between each character
+        //printChar(*str);   // print the char - can probably do *str++ and remove next line
+        
+        // the new version writes the character bitmap data to the buffer, so that
+        // text and pixels can be displayed at the same time
+        for (int i = 0; i < 5 ; i++ ) {
+            buffer[x+i+n*6][y] = font5x7[(*str - 32)*5 + i];
+        }
+        
         str++;  // go to next character in string
         n++;    // increment index
     }
+    
+    refresh();  // this sends the buffer to the display and sets address (cursor) back to 0,0
 
 }
 
@@ -272,7 +282,7 @@
         // elements are normalised from 0.0 to 1.0, so multiply
         // by 47 to convert to pixel range, and subtract from 47
         // since top-left is 0,0 in the display geometry
-        setPixel(i,47 - (int) array[i]*47.0);
+        setPixel(i,47 - int(array[i]*47.0));
     }    
     
     refresh();