#include <iostream>

#include "util/comstream.h"

using namespace std;

int main(int argc, char *argv[]){
  
  cerr << "Usage: " << argv[0] << " COMport" << endl;
  cerr << "Ex) " << argv[0] << " COM1" << endl;
  
  if(argc <= 1){
    cerr << "COMport unspecified!!" << endl;
    exit(-1);
  }
  
  try{
    ComportStream com_io(argv[1]);
    
    char buf[1];
    while(true){
      com_io.read(buf, sizeof(buf));
      com_io << buf[0];
    }
  }catch(exception &e){
    cerr << e.what() << endl;
  }
  
  return 0;
}