private int _init()
{
if (_i2cio == null)
{
_i2cio = new I2CIO();
if (_i2cio.Begin(_address) == 1)
{
_i2cio.PortMode(Constants.OUTPUT); // Set the entire IO extender to OUTPUT
_displayFunction = Constants.LCD_4BITMODE | Constants.LCD_1LINE | Constants.LCD_5x8DOTS;
_i2cio.Write(0); // Set the entire port to LOW
}
}
return(1);
}
private int _init()
{
if (_i2cio == null)
{
_i2cio = new I2CIO();
if (_i2cio.Begin(_address) == 1)
{
_i2cio.PortMode(Constants.OUTPUT); // Set the entire IO extender to OUTPUT
_displayFunction = Constants.LCD_4BITMODE | Constants.LCD_1LINE | Constants.LCD_5x8DOTS;
_i2cio.Write(0); // Set the entire port to LOW
}
}
return 1;
}
private void _pulseEnable(int data)
{
_i2cio.Write(data | _en); // En HIGH
_i2cio.Write(data & ~_en); // En LOW
}