Diff: OptrexLCD.cpp

Revision:

3:52fb10c44695

Parent:

2:9e13bd7280e1

--- a/OptrexLCD.cpp	Mon Nov 29 22:26:12 2010 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,180 +0,0 @@
-/* mbed TextLCD Library, for a 4-bit LCD based on Optrex DCM20481 NY-LY-ABE
-*
-* Copyright (c) 2007-2010, sford modified by E.Sjoukes
-*
-* Permission is hereby granted, free of charge, to any person obtaining a copy
-* of this software and associated documentation files (the "Software"), to deal
-* in the Software without restriction, including without limitation the rights
-* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-* copies of the Software, and to permit persons to whom the Software i
-* furnished to do so, 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.
-*/
-
-#include "OptrexLCD.h"
-#include "mbed.h"
-
-// initialiseer  
-TextLCD::TextLCD(PinName rs, PinName e, PinName d0, PinName d1, PinName d2, 
-            PinName d3, LCDType type) : _rs(rs), _e(e), _d(d0, d1, d2, d3), _type(type) 
-{
-    _e  = 1;                // enable normaly high
-    _rs = 0;                // command mode
- 
-    wait(0.015);            // Wait 15ms to ensure powered up
-
-    for (int i=0; i<3; i++) // send "Display Settings" 3 times
-    {
-        writeByte(0x3);
-        wait(0.00164);      // this command takes 1.64ms, so wait for it
-    }
-    writeByte(0x2);         // 4-bit mode
-    wait(0.000040f);        // most instructions take 40us
-
-    writeCommand(0x28);     // Function set 001 BW N F - -
-    writeCommand(0x0C);
-    writeCommand(0x6);      // Cursor Direction and Display Shift : 0000 01 CD S (CD 0-left, 1-right S(hift) 0-no, 1-yes
-    cls();
-}
- 
-void TextLCD::character(int column, int row, int c) 
-{
-    int a = address(column, row);
-    writeCommand(a);
-    writeData(c);
-}
- 
-void TextLCD::cls() 
-{
-    writeCommand(0x01);    // cls, and set cursor to 0
-    wait(0.003000f);       // This command takes 3ms with Optrex, normaly it wood be 1.64ms
-    locate(0, 0);
-}
- 
-void TextLCD::locate(int column, int row) 
-{
-    _column = column;
-    _row = row;
-}
- 
-int TextLCD::_putc(int value) 
-{
-    if (value == '\n') 
-    {
-        _column = 0;
-        _row++;
-        if (_row >= rows()) 
-        {
-            _row = 0;
-        }
-    } 
-    else 
-    {
-        character(_column, _row, value);
-        _column++;
-        if (_column >= columns()) 
-        {
-            _column = 0;
-            _row++;
-            if (_row >= rows()) 
-            {
-                _row = 0;
-            }
-        }
-    }
-    return value;
-}
- 
-int TextLCD::_getc() 
-{
-     return -1;
-}
- 
-void TextLCD::writeByte(int value) 
-{
-     _d = value >> 4;
-     wait(0.000040f);   // most instructions take 40us
-     _e = 0;
-     wait(0.000075f);   // enable puls of Optrex needs to be 75us 
-     _e = 1;
-     _d = value >> 0;
-     wait(0.000075f);   // enable puls of Optrex needs to be 75us
-     _e = 0;
-     wait(0.000075f);   // enable puls of Optrex needs to be 75us
-     _e = 1;
-}
- 
-void TextLCD::writeCommand(int command) 
-{
-     _rs = 0;
-     writeByte(command);
-}
-
-void TextLCD::writeData(int data) 
-{
-     _rs = 1;
-     writeByte(data);
-}
-
-int TextLCD::address(int column, int row) 
-{
-     switch (_type) 
-     {
-       case LCD20x4:
-             switch (row) 
-             {
-                 case 0:
-                     return 0x80 + column;
-                 case 1:
-                     return 0xc0 + column;
-                 case 2:
-                     return 0x94 + column;
-                 case 3:
-                     return 0xd4 + column;
-             }
-         case LCD16x2B:
-            return 0x80 + (row * 40) + column;
-         case LCD16x2:
-         case LCD20x2:
-         default:
-             return 0x80 + (row * 0x40) + column;
-     }
-}
- 
-int TextLCD::columns() 
-{
-     switch (_type) 
-     {
-         case LCD20x4:
-         case LCD20x2:
-            return 20;
-         case LCD16x2:
-         case LCD16x2B:
-         default:
-             return 16;
-     }
-}
- 
-int TextLCD::rows() 
-{
-     switch (_type) 
-     {
-         case LCD20x4:
-             return 4;
-         case LCD16x2:
-         case LCD16x2B:
-         case LCD20x2:
-         default:
-             return 2;
-     }
-}