![](/media/cache/profiles/a7bf3f5462cc82062e41b3a2262e1a21.50x50_q85.jpg)
Yet another I2C Text based LCD display program
main.cpp
- Committer:
- pwheels
- Date:
- 2011-03-09
- Revision:
- 1:d8767e2b8e7e
- Parent:
- 0:551f3dbd553c
- Child:
- 2:91dec3d7903a
File content as of revision 1:d8767e2b8e7e:
/* * Copyright (c) 2011 Paul van der Wielen, Pro-Serv * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to use * and implement the software for none commercial reason and usage only and * subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * * Usage and assumptions: * coding as to interface an I2C LC Display modle available from: * Coptonix GmbH * Berlin 24.06.2008by @ less than Euro 13.- * which will interface to various HD44780 based units, 8Bit-Interface (16x2 or 20x4) * * Used device = LPC1768 */ #include "mbed.h" #include "lc_display.h" DigitalOut flash(LED1); int main() { // define some user characters for LCD display char MySymbol[2][9]= {{0x01,0x04,0x0e,0x1f,0x04,0x04,0x04,0x00,0x00}, {0x02,0x00,0x00,0x04,0x04,0x04,0x1f,0x0e,0x04}}; // _InitLCD(); _WriteLCD(LCDType,0x01); _WriteLCD(WriteUserDefChar,MySymbol[0],9); _WriteLCD(WriteUserDefChar,MySymbol[1],9); while (1) { _WriteLCD(ClrDisplay); _WriteLCD(DisplayON_OFF, 1, 1, 0); _WriteLCD(WriteString, "Hello tester !", 14); _WriteLCD(SetCursor, 0x05); _WriteLCD(Shift, 1, 1); _WriteLCD(Delete, 1, 3, 4); _WriteLCD(SetCursor, 0x45); _WriteLCD(CharToLCD, 0x01); _WriteLCD(CharToLCD, 0x02); _WriteLCD(Shift, 0, 0); // log to usb serial port, visible by Tera Term printf("Character ->%c<- at position %d, ram = %x\r\n", _ReadLCD(GetCharAtCur), _ReadLCD(GetCursorAdr), _ReadLCD(ReadRam)); wait(4); _WriteLCD(ReturnHome); _WriteLCD(DisplayON_OFF, 0, 1, 1); wait(1); flash = !flash; } }