// RawMode places the terminal into raw mode.
func RawMode(t *Term) error {
var a attr
if err := termios.Tcgetattr(uintptr(t.fd), (*syscall.Termios)(&a)); err != nil {
return err
}
termios.Cfmakeraw((*syscall.Termios)(&a))
return termios.Tcsetattr(uintptr(t.fd), termios.TCSANOW, (*syscall.Termios)(&a))
}
func (t *Term) setSpeed(baud int) error {
var a attr
if err := termios.Tcgetattr(uintptr(t.fd), (*syscall.Termios)(&a)); err != nil {
return err
}
a.setSpeed(baud)
return termios.Tcsetattr(uintptr(t.fd), termios.TCSANOW, (*syscall.Termios)(&a))
}
// Open opens an asynchronous communications port.
func Open(name string, options ...func(*Term) error) (*Term, error) {
fd, e := syscall.Open(name, syscall.O_NOCTTY|syscall.O_CLOEXEC|syscall.O_NDELAY|syscall.O_RDWR, 0666)
if e != nil {
return nil, &os.PathError{"open", name, e}
}
t := Term{name: name, fd: fd}
if err := termios.Tcgetattr(uintptr(t.fd), &t.orig); err != nil {
return nil, err
}
if err := t.SetOption(options...); err != nil {
return nil, err
}
return &t, syscall.SetNonblock(t.fd, false)
}