1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182
|
package term
import "golang.org/x/sys/unix"
type attr unix.Termios
const (
// CBaudMask is the logical of CBAUD and CBAUDEX, except
// that those values were not exposed via the syscall
// package. Many of these values will be redundant, but
// this long definition ensures we are portable if some
// architecture defines different values for them (unlikely).
CBaudMask = unix.B50 |
unix.B75 |
unix.B110 |
unix.B134 |
unix.B150 |
unix.B200 |
unix.B300 |
unix.B600 |
unix.B1200 |
unix.B1800 |
unix.B2400 |
unix.B4800 |
unix.B9600 |
unix.B19200 |
unix.B38400 |
unix.B57600 |
unix.B115200 |
unix.B230400 |
unix.B460800 |
unix.B500000 |
unix.B576000 |
unix.B921600 |
unix.B1000000 |
unix.B1152000 |
unix.B1500000 |
unix.B2000000 |
unix.B2500000 |
unix.B3000000 |
unix.B3500000 |
unix.B4000000
)
func (a *attr) getSpeed() (int, error) {
switch a.Cflag & CBaudMask {
case unix.B50:
return 50, nil
case unix.B75:
return 75, nil
case unix.B110:
return 110, nil
case unix.B134:
return 134, nil
case unix.B150:
return 150, nil
case unix.B200:
return 200, nil
case unix.B300:
return 300, nil
case unix.B600:
return 600, nil
case unix.B1200:
return 1200, nil
case unix.B1800:
return 1800, nil
case unix.B2400:
return 2400, nil
case unix.B4800:
return 4800, nil
case unix.B9600:
return 9600, nil
case unix.B19200:
return 19200, nil
case unix.B38400:
return 38400, nil
case unix.B57600:
return 57600, nil
case unix.B115200:
return 115200, nil
case unix.B230400:
return 230400, nil
case unix.B460800:
return 460800, nil
case unix.B500000:
return 500000, nil
case unix.B576000:
return 576000, nil
case unix.B921600:
return 921600, nil
case unix.B1000000:
return 1000000, nil
case unix.B1152000:
return 1152000, nil
case unix.B1500000:
return 1500000, nil
case unix.B2000000:
return 2000000, nil
case unix.B2500000:
return 2500000, nil
case unix.B3000000:
return 3000000, nil
case unix.B3500000:
return 3500000, nil
case unix.B4000000:
return 4000000, nil
default:
return 0, unix.EINVAL
}
}
func (a *attr) setSpeed(baud int) error {
var rate uint32
switch baud {
case 50:
rate = unix.B50
case 75:
rate = unix.B75
case 110:
rate = unix.B110
case 134:
rate = unix.B134
case 150:
rate = unix.B150
case 200:
rate = unix.B200
case 300:
rate = unix.B300
case 600:
rate = unix.B600
case 1200:
rate = unix.B1200
case 1800:
rate = unix.B1800
case 2400:
rate = unix.B2400
case 4800:
rate = unix.B4800
case 9600:
rate = unix.B9600
case 19200:
rate = unix.B19200
case 38400:
rate = unix.B38400
case 57600:
rate = unix.B57600
case 115200:
rate = unix.B115200
case 230400:
rate = unix.B230400
case 460800:
rate = unix.B460800
case 500000:
rate = unix.B500000
case 576000:
rate = unix.B576000
case 921600:
rate = unix.B921600
case 1000000:
rate = unix.B1000000
case 1152000:
rate = unix.B1152000
case 1500000:
rate = unix.B1500000
case 2000000:
rate = unix.B2000000
case 2500000:
rate = unix.B2500000
case 3000000:
rate = unix.B3000000
case 3500000:
rate = unix.B3500000
case 4000000:
rate = unix.B4000000
default:
return unix.EINVAL
}
(*unix.Termios)(a).Cflag = unix.CS8 | unix.CREAD | unix.CLOCAL | rate
(*unix.Termios)(a).Ispeed = rate
(*unix.Termios)(a).Ospeed = rate
return nil
}
|