// GetISpeed returns the input (receiver) baudrate in Termios
// structure t as a numerical (integer) value in
// bits-per-second. Returns err == syscal.EINVAL if the baudrate in t
// cannot be decoded. See also getispeed(3).
func (t *Termios) GetISpeed() (speed int, err error) {
code := C.cfgetispeed(&t.t)
speed, ok := stdSpeeds.Speed(spdCode(code))
if !ok {
return 0, syscall.EINVAL
}
return speed, nil
}
// Getispeed returns the input baud rate in the Termios
// structure referenced by src.
func Getispeed(src *Termios) (result C.speed_t) {
result = C.cfgetispeed(&src.i)
return
}
func (s *Serial) Baud() uint32 {
var baud uint32 = 0
if s.Opened {
var tios C.struct_termios
getTermios(s.f, &tios)
switch C.cfgetispeed(&tios) {
case C.B0:
baud = 0
case C.B50:
baud = 50
case C.B75:
baud = 75
case C.B110:
baud = 110
case C.B134:
baud = 134
case C.B150:
baud = 150
case C.B200:
baud = 200
case C.B300:
baud = 300
case C.B600:
baud = 600
case C.B1200:
baud = 1200
case C.B1800:
baud = 1800
case C.B2400:
baud = 2400
case C.B4800:
baud = 4800
case C.B9600:
baud = 9600
case C.B19200:
baud = 19200
case C.B38400:
baud = 38400
case C.B57600:
baud = 57600
case C.B115200:
baud = 115200
case C.B230400:
baud = 230400
case C.B460800:
baud = 460800
case C.B500000:
baud = 500000
case C.B576000:
baud = 576000
case C.B921600:
baud = 921600
case C.B1000000:
baud = 1000000
case C.B1152000:
baud = 1152000
case C.B1500000:
baud = 1500000
case C.B2000000:
baud = 2000000
case C.B2500000:
baud = 2500000
case C.B3000000:
baud = 3000000
case C.B3500000:
baud = 3500000
case C.B4000000:
baud = 4000000
}
}
return baud
}
// Cfgetispeed returns the input baud rate stored in the termios structure.
func Cfgetispeed(attr *syscall.Termios) uint32 {
solTermios := (*unix.Termios)(attr)
return uint32(C.cfgetispeed((*C.termios_t)(unsafe.Pointer(solTermios))))
}