Sille Van Landschoot / TextLCD

TextLCD library for controlling various LCD panels based on the HD44780 4-bit interface

Fork of TextLCD by Simon Ford

Files at this revision

API Documentation at this revision

Revision 10:b91bc4431350, committed 2014-12-13

Comitter:
sillevl
Date:
Sat Dec 13 13:59:10 2014 +0000
Parent:
9:308d188a2d3a
Parent:
8:dde7f427feda
Commit message:
added custom characters

Changed in this revision

TextLCD.cpp Show annotated file Show diff for this revision Revisions of this file
TextLCD.h Show annotated file Show diff for this revision Revisions of this file 
diff -r 308d188a2d3a -r b91bc4431350 TextLCD.cpp
--- a/TextLCD.cpp	Thu Jan 02 21:07:01 2014 +0000
+++ b/TextLCD.cpp	Sat Dec 13 13:59:10 2014 +0000
@@ -157,3 +157,25 @@
             return 2;
     }
 }
+
+/*
+ 
+@param cgramloc cgram location from 0-7
+ 
+@param *data char array
+ 
+@param cgrpos cgrampostion 0x00-0x07
+ 
+@param x,y location coordinates
+ 
+*/
+ 
+void TextLCD::putCustomChar(int cgramloc, char *data){
+ 
+  writeCommand(0x40+((cgramloc&0x07)<<3)); //Set CG-RAM address
+  
+  for (int i=0; i<8; i++) {
+    writeData(*data++); 
+  }
+ 
+}

diff -r 308d188a2d3a -r b91bc4431350 TextLCD.h
--- a/TextLCD.h	Thu Jan 02 21:07:01 2014 +0000
+++ b/TextLCD.h	Sat Dec 13 13:59:10 2014 +0000
@@ -84,6 +84,7 @@
 
     /** Clear the screen and locate to 0,0 */
     void cls();
+    void putCustomChar(int cgramloc, char *data);
 
     int rows();
     int columns();