static char rcsid[] = "$Id: driver.c,v 1.6 2004/02/15 23:10:28 ecen2120 Exp $";

#include "comint.h"

int
main()
{ int i=1, running[2];

  EnableUART(1, 9600, 'N'); running[1] = 1;
  EnableUART(0, 9600, 'N'); running[0] = 1;
  while (running[0] || running[1]) {
    i = 1 - i;
    while (running[i] && CharactersAvailable(i) && SpaceAvailable(1 - i)) {
      char c = RecvCharacter(i);
      if (c == 3) { DisableUART(i); running[i] = 0; break; }
      SendCharacter(1 - i, c);
    }
  }

  return 0;
}