// oNMDLCD.osc
//
// LCD driver routines for the Milford Instruments 2x16 character serial LCD
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
// Contributors:
//   Neil Durant <neil@octrix.com>

oSerialX LCD = new oSerialX;
byte delay;

Sub void main(void)
{
	LCD.Baud = cv2400;
	LCD.IOLineS = 27;		// OOPIC pin that connects to the LCD module serial pin
	LCD.IOLinef = 27;		// As above
	LCD.InvertS = cvTrue;
	LCD.Operate = cvTrue;
}

Sub void ClearScreen(void)
{
	LCD.Value = 254;
	LCD.Value = 1;

	// 12ms delay
	// We need to do delays using a loop because the OOPIC
	// cannot support the "OOPIC.Delay =" method within
	// user class definitions
	for(delay = 0; delay < 1; delay++)
	{
	}
}

Sub void MoveTo(byte aLine, byte aCol)
{
	byte offset;
	
	offset = 128;
	if(aLine == 1)
	{
		offset = 192;
	}

	offset = offset + aCol;

	LCD.Value = 254;
	LCD.Value = offset;
	
	// 12ms delay
	for(delay = 0; delay < 1; delay++)
	{
	}
}

// End of nmdLCD.osc