ushort GetCommandRegister()
{
try
{
byte[] receiveBuffer = new byte[2];
m_i2c.Write(m_slaveAddress, AD7291_REG_COMMAND);
receiveBuffer[0] = m_i2c.Read(m_slaveAddress);
receiveBuffer[1] = m_i2c.Read(m_slaveAddress);
ushort registerValue = (ushort)((receiveBuffer[0] << 8) + receiveBuffer[1]);
return(registerValue);
}
catch (Exception err)
{
throw (new SystemException(err.Message));
}
}
byte retrievePortData(byte reg, byte port)
{
try
{
if (port > 5)
{
throw (new SystemException("Invalid port number for PCA9505"));
}
byte data = (byte)((reg + port) | PCA9505_AI_OFF);
m_i2c.Write(m_slaveAddress, data);
data = m_i2c.Read(m_slaveAddress);
return(data);
}
catch (Exception err)
{
throw (new SystemException(err.Message));
}
}
byte [] Read24Bit()
{
byte [] data = { 0, 0, 0 };
m_i2c.Read(data, 0, 3);
return(data);
}