pc-tools/ldc/tape.c

   1 #include <stdio.h>
   2 #include <termios.h>
   3 #include <sys/types.h>
   4 #include <sys/stat.h>
   5 #include <fcntl.h>
   6 #include <signal.h>
   7
   8 #include "tape.h"
   9
  10 static struct termios orgstate;
  11 static struct termios workstate;
  12
  13 static int fd;
  14
  15 void tapeclose ()
  16 {
  17     tcsetattr (fd, TCSANOW, &orgstate);
  18     close (fd);
  19 }
  20
  21 void tapestart ()
  22 {
  23     char a = 0x11;              //xon;
  24     write (fd, &a, 1);
  25 }
  26
  27 void tapestop ()
  28 {
  29     char a = 0x13;              //xoff;
  30     write (fd, &a, 1);
  31 }
  32
  33 void tapeinit (int tapefd)
  34 {
  35     fd = tapefd;
  36     tcgetattr (tapefd, &orgstate);
  37     tcgetattr (tapefd, &workstate);
  38     workstate.c_iflag = 0;
  39     workstate.c_oflag = 0;
  40     workstate.c_cflag = CS8 | CREAD | CLOCAL | CRTSCTS | CSTOPB;
  41     workstate.c_lflag = 0;
  42     cfsetspeed (&workstate, B4800);
  43     tcsetattr (tapefd, TCSANOW, &workstate);
  44 }
  45
  46 // Ende.