David Godfrey / TextLCD

A driver code library for Text LCD panels using the 4-bit HD44780 lcd display driver.

Dependents:   LCD16x2FREEDOM tarea1 XtrinsicSensorEVK congolcd ... more

Fork of TextLCD by Simon Ford

Files at this revision

API Documentation at this revision

Revision 8:122fc41ed965, committed 2012-12-09

Comitter:
sbts
Date:
Sun Dec 09 09:43:55 2012 +0000
Parent:
7:44f34c09bd37
Commit message:
add LCDtype LCD40x2 for compatibility with 2 line 40 character displays

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 
--- a/TextLCD.cpp	Sat Dec 04 11:29:57 2010 +0000
+++ b/TextLCD.cpp	Sun Dec 09 09:43:55 2012 +0000
@@ -129,6 +129,7 @@
             return 0x80 + (row * 40) + column;
         case LCD16x2:
         case LCD20x2:
+        case LCD40x2:
         default:
             return 0x80 + (row * 0x40) + column;
     }
@@ -136,6 +137,8 @@
 
 int TextLCD::columns() {
     switch (_type) {
+        case LCD40x2:
+            return 40;
         case LCD20x4:
         case LCD20x2:
             return 20;
@@ -153,6 +156,7 @@
         case LCD16x2:
         case LCD16x2B:
         case LCD20x2:
+        case LCD40x2:
         default:
             return 2;
     }

--- a/TextLCD.h	Sat Dec 04 11:29:57 2010 +0000
+++ b/TextLCD.h	Sun Dec 09 09:43:55 2012 +0000
@@ -27,13 +27,13 @@
 
 /** A TextLCD interface for driving 4-bit HD44780-based LCDs
  *
- * Currently supports 16x2, 20x2 and 20x4 panels
+ * Currently supports 16x2, 20x2 , 20x4 and 40x2 panels
  *
  * @code
  * #include "mbed.h"
  * #include "TextLCD.h"
  * 
- * TextLCD lcd(p10, p12, p15, p16, p29, p30); // rs, e, d4-d7
+ * TextLCD lcd(p10, p12, p15, p16, p29, p30, TextLCD::LCD16x2); // rs, e, d4-d7, LCDType
  * 
  * int main() {
  *     lcd.printf("Hello World!\n");
@@ -49,6 +49,7 @@
         , LCD16x2B  /**< 16x2 LCD panel alternate addressing */
         , LCD20x2   /**< 20x2 LCD panel */
         , LCD20x4   /**< 20x4 LCD panel */
+        , LCD40x2   /**< 40x2 LCD panel */
     };
 
     /** Create a TextLCD interface