Elmicro Computer / Mbed 2 deprecated TestBed-LCD20x4

Example of using a GDM2004D LCD with Elmicro\'s TestBed for mbed carrier board. Uses an altered version of the TextLCD-library.

Dependencies:   mbed

main.cpp@0:7c694e032688, 2011-10-11 (annotated)

Committer:
elmicro
Date:
Tue Oct 11 08:13:19 2011 +0000
Revision:
0:7c694e032688
Initial Revision

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elmicro 0:7c694e032688 1 #include "mbed.h"
elmicro 0:7c694e032688 2 //the library "TextLCD.h" was slightly altered to work with the GDM2004D LCD
elmicro 0:7c694e032688 3 #include "TextLCD.h"
elmicro 0:7c694e032688 4
elmicro 0:7c694e032688 5 //the object "lcd" is initialized to act as a TextLCD with 20x4 characters
elmicro 0:7c694e032688 6 TextLCD lcd(p26, p25, p24, p23, p22, p20, p19, TextLCD::LCD20x4);
elmicro 0:7c694e032688 7
elmicro 0:7c694e032688 8 int main() {
elmicro 0:7c694e032688 9 //each line of the LCD can be accessed directly using the .locate(column, line) function
elmicro 0:7c694e032688 10 lcd.locate(0,0);
elmicro 0:7c694e032688 11 lcd.printf("12345678901234567890");
elmicro 0:7c694e032688 12 lcd.locate(0,1);
elmicro 0:7c694e032688 13 lcd.printf("UVWXYZabcdefghijklmn");
elmicro 0:7c694e032688 14 lcd.locate(0,2);
elmicro 0:7c694e032688 15 lcd.printf("ABCDEFGHIJKLMNOPQRST");
elmicro 0:7c694e032688 16 lcd.locate(0,3);
elmicro 0:7c694e032688 17 lcd.printf("12345678901234567890");
elmicro 0:7c694e032688 18 wait(2);
elmicro 0:7c694e032688 19
elmicro 0:7c694e032688 20 //the LCD is cleared using function .cls()
elmicro 0:7c694e032688 21 lcd.cls();
elmicro 0:7c694e032688 22 //a "\n" in a text string causes a line feed
elmicro 0:7c694e032688 23 lcd.printf("HELLO WORLD\n");
elmicro 0:7c694e032688 24 //if the end of a line is reached, the text is written to the next line automatically
elmicro 0:7c694e032688 25 lcd.printf("Testbed for mbed\nLCD example softwarewith altered library");
elmicro 0:7c694e032688 26
elmicro 0:7c694e032688 27 //the endless loop keeps mbed in low power mode
elmicro 0:7c694e032688 28 while(1)
elmicro 0:7c694e032688 29 {
elmicro 0:7c694e032688 30 __WFI();
elmicro 0:7c694e032688 31 }
elmicro 0:7c694e032688 32 }