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<DIV> </DIV>
<DIV>------------------------------------------------------------</DIV>
<DIV>#include <sys/types.h><BR>#include <sys/stat.h><BR>#include <sys/ioctl.h><BR>#include <fcntl.h><BR>#include <termios.h><BR>#include <unistd.h></DIV>
<DIV>#define SERIAL_PORT "/dev/ttymxc3"  /* $B%G%P%$%9%U%!%$%k(B */</DIV>
<DIV>int main(int argc, char *argv[])<BR>{<BR> int fd;                           /* $B%U%!%$%k%G%#%9%/%j%W%?(B */<BR>    <BR> fd = open(SERIAL_PORT, O_RDWR);   /* $B%G%P%$%9$r%*!<%W%s$9$k(B */<BR> <BR> ioctl(fd, TIOCMBIS, TIOCM_DTR); /* DTR ON */<BR> ioctl(fd, TIOCMBIC, TIOCM_DTR); /* DTR OFF */<BR></DIV>
<DIV> ioctl(fd, TIOCMBIS, TIOCM_RTS); /* RTS ON */<BR> ioctl(fd, TIOCMBIC, TIOCM_RTS); /* RTS OFF */<BR></DIV>
<DIV> ioctl(fd, TIOCMBIS, TIOCM_DSR); /* DSR ON */<BR> ioctl(fd, TIOCMBIC, TIOCM_DSR); /* DSR OFF */ <BR></DIV>
<DIV> ioctl(fd, TIOCMBIS, TIOCM_CTS); /* CTS ON */<BR> ioctl(fd, TIOCMBIC, TIOCM_CTS); /* CTS OFF */<BR> </DIV>
<DIV> ioctl(fd, TIOCMBIS, TIOCM_LE); /* LE ON */<BR> ioctl(fd, TIOCMBIC, TIOCM_LE); /* LE OFF */<BR></DIV>
<DIV>    close(fd);                        /* $B%G%P%$%9$N%/%m!<%:(B */</DIV>
<DIV>    return 0;<BR>}</DIV>
<DIV>------------------------------------------------------------</DIV></td></tr></table>