Mike Pollock / Public

WH1602B LCD library based on the HD44780 4-bit interface

Fork of TextLCD by Simon Ford

main.cpp@9:0a815952e22f, 2016-12-09 (annotated)

Committer:
mptapton
Date:
Fri Dec 09 12:21:23 2016 +0000
Revision:
9:0a815952e22f
This code uses libraries created for 4-bit LCD's based on the HD44780. This ; program was designed for a similar product (Winstar's WH1602B 2x16 LC) working into an Mbed LPC1768. Pin allocation and wiring described in comments in main.cpp header

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mptapton 9:0a815952e22f 1 #include "mbed.h"
mptapton 9:0a815952e22f 2 #include "TextLCD.h"
mptapton 9:0a815952e22f 3
mptapton 9:0a815952e22f 4 /* This code uses libraries created for 4-bit LCD's based on the HD44780. This
mptapton 9:0a815952e22f 5 program was designed for a similar product (Winstar's WH1602B 2x16 LC) working
mptapton 9:0a815952e22f 6 into an Mbed LPC1768.
mptapton 9:0a815952e22f 7 LCD pins: Pin 1(VSS) to Mbed Gnd, Pin 2(VDD) to Mbed VOUT, Pin 3(Vo- contrast)
mptapton 9:0a815952e22f 8 to Mbed Gnd, Pin 5(R/W) to Mbed Gnd, Pin 15(A)to Mbed VOUT, Pin 16(B) to
mptapton 9:0a815952e22f 9 MBed Gnd, Pins 4(RS),20(E) and the 4 data bits (DB4 [11] through to DB7 [14])
mptapton 9:0a815952e22f 10 go to the Mbed pins described below: */
mptapton 9:0a815952e22f 11
mptapton 9:0a815952e22f 12 TextLCD lcd(p10, p12, p15, p16, p29, p30); // rs, e, d4-d7
mptapton 9:0a815952e22f 13
mptapton 9:0a815952e22f 14 int main() {
mptapton 9:0a815952e22f 15 lcd.printf("Hello World!\n");
mptapton 9:0a815952e22f 16 wait (1);
mptapton 9:0a815952e22f 17 lcd.printf("Test Message\n");
mptapton 9:0a815952e22f 18 wait (1);
mptapton 9:0a815952e22f 19 lcd.cls();
mptapton 9:0a815952e22f 20 lcd.printf("Test OK\n");
mptapton 9:0a815952e22f 21 }
mptapton 9:0a815952e22f 22
mptapton 9:0a815952e22f 23