public bool WriteRegister(ushort reg, short value)
{
modbus link = new modbus();
bool ret = link.Open(port, 9600, 8, Parity.None, StopBits.Two);
if (!ret)
{
throw EngineMessageException.offline(
"Opening port " + port + " failed: " + link.modbusStatus);
}
short[] val = { value };
Logger.log(
"Writing 0x" + value.ToString("x") +
" to register 0x" + reg.ToString("x") +
" to address 0x" + address.ToString("x"));
ret = link.SendFc16(address, reg, 1, val);
if (!ret)
{
throw new EngineMessageException(
"Writing 0x" + value.ToString("x") +
" to register 0x" + reg.ToString("x") + " failed: " + link.modbusStatus);
}
link.Close();
return(ret);
}
public short ReadRegister(ushort reg)
{
modbus link = new modbus();
bool ret = link.Open(port, 9600, 8, Parity.None, StopBits.Two);
if (!ret)
{
throw EngineMessageException.offline(
"Opening port " + port + " failed: " + link.modbusStatus);
}
short[] val = new short[1];
ret = link.SendFc3(address, reg, 1, ref val);
if (!ret)
{
throw new EngineMessageException(
"Read from register 0x" + reg.ToString("x") + " failed: " + link.modbusStatus);
}
link.Close();
return(val[0]);
}