void read_start(void)
{ // Start an asynchronous read and call read_complete when it completes or fails
serialPort.async_read_some(boost::asio::buffer(read_msg_, max_read_length),
boost::bind(&ComClient::read_complete, this,
boost::asio::placeholders::error,
boost::asio::placeholders::bytes_transferred));
}
void read_some()
{
port.async_read_some(boost::asio::buffer(read_msg_,sizeof(read_msg_)),
boost::bind(&serial::handler,this,
boost::asio::placeholders::error,
boost::asio::placeholders::bytes_transferred));
}