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Golang Termios.SetISpeed方法代碼示例

本文整理匯總了Golang中github.com/npat-efault/serial/termios.Termios.SetISpeed方法的典型用法代碼示例。如果您正苦於以下問題：Golang Termios.SetISpeed方法的具體用法？Golang Termios.SetISpeed怎麽用？Golang Termios.SetISpeed使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/npat-efault/serial/termios.Termios的用法示例。


在下文中一共展示了Termios.SetISpeed方法的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。

示例1: TestSetGet

func TestSetGet(t *testing.T) {
	if dev == "" {
		t.Skip("No TEST_SERIAL_DEV variable set.")
	}
	f, err := os.Open(dev)
	if err != nil {
		t.Fatal("Open:", err)
	}
	defer f.Close()

	var ti termios.Termios
	err = ti.GetFd(int(f.Fd()))
	if err != nil {
		t.Fatal("Cannot get termios:", err)
	}
	err = ti.SetOSpeed(19200)
	if err != nil {
		t.Fatal("Cannot set O speed to 19200:", err)
	}
	ti.SetISpeed(19200)
	if err != nil {
		t.Fatal("Cannot set I speed to 19200:", err)
	}
	err = ti.SetFd(int(f.Fd()), termios.TCSAFLUSH)
	if err != nil {
		t.Fatal("Cannot set termios:", err)
	}
	ti = termios.Termios{}
	err = ti.GetFd(int(f.Fd()))
	if err != nil {
		t.Fatal("Cannot get termios:", err)
	}
	spd, err := ti.GetOSpeed()
	if err != nil {
		t.Fatal("Cannot get O speed:", err)
	}
	if spd != 19200 {
		t.Fatalf("Bad O speed: %d != %d", spd, 19200)
	}
	spd, err = ti.GetISpeed()
	if err != nil {
		t.Fatal("Cannot get I speed:", err)
	}
	if spd != 19200 && spd != 0 {
		t.Fatalf("Bad I speed: %d != %d", spd, 19200)
	}
}
開發者ID:npat-efault，項目名稱:serial，代碼行數:47，代碼來源:termios_test.go

示例2: TestSpeed

func TestSpeed(t *testing.T) {
	ti := termios.Termios{}
	spds_ok := []int{1200, 4800, 9600, 19200, 38400}
	spds_fail := []int{-1, -2, -3}
	for _, s := range spds_ok {
		// Output Speeds
		if err := ti.SetOSpeed(s); err != nil {
			t.Fatalf("Cannot set out speed %d: %v", s, err)
		}
		s1, err := ti.GetOSpeed()
		if err != nil {
			t.Fatalf("Cannot get out speed %d: %v", s, err)
		}
		if s1 != s {
			t.Fatalf("Out speed: %d != %d", s1, s)
		}
		// Input Speeds
		if err := ti.SetISpeed(s); err != nil {
			t.Fatalf("Cannot set in speed %d: %v", s, err)
		}
		s1, err = ti.GetISpeed()
		if err != nil {
			t.Fatalf("Cannot get in speed %d: %v", s, err)
		}
		if s1 != s {
			t.Fatalf("In speed: %d != %d", s1, s)
		}
	}
	for _, s := range spds_fail {
		if err := ti.SetOSpeed(s); err != syscall.EINVAL {
			t.Fatalf("Set bad out speed %d", s)
		}
		if err := ti.SetISpeed(s); err != syscall.EINVAL {
			t.Fatalf("Set bad in speed %d", s)
		}
	}
}
開發者ID:npat-efault，項目名稱:serial，代碼行數:37，代碼來源:termios_test.go

示例3: confSome

func (p *port) confSome(conf Conf, flags ConfFlags) error {
	if err := p.fd.Lock(); err != nil {
		return ErrClosed
	}
	defer p.fd.Unlock()

	var tios termios.Termios
	err := tios.GetFd(p.fd.Sysfd())
	if err != nil {
		return newErr("tcgetattr: " + err.Error())
	}

	if flags&ConfBaudrate != 0 {
		err := tios.SetOSpeed(conf.Baudrate)
		if err != nil {
			return newErr("setospeed: " + err.Error())
		}
		err = tios.SetISpeed(conf.Baudrate)
		if err != nil {
			return newErr("setispeed: " + err.Error())
		}
	}

	if flags&ConfDatabits != 0 {
		switch conf.Databits {
		case 5:
			tios.CFlag().Clr(termios.CSIZE).Set(termios.CS5)
		case 6:
			tios.CFlag().Clr(termios.CSIZE).Set(termios.CS6)
		case 7:
			tios.CFlag().Clr(termios.CSIZE).Set(termios.CS7)
		case 8:
			tios.CFlag().Clr(termios.CSIZE).Set(termios.CS8)
		default:
			return newErr("invalid databits value: " +
				strconv.Itoa(conf.Databits))
		}
	}

	if flags&ConfStopbits != 0 {
		switch conf.Stopbits {
		case 1:
			tios.CFlag().Clr(termios.CSTOPB)
		case 2:
			tios.CFlag().Set(termios.CSTOPB)
		default:
			return newErr("invalid stopbits value: " +
				strconv.Itoa(conf.Stopbits))
		}
	}

	if flags&ConfParity != 0 {
		switch conf.Parity {
		case ParityEven:
			tios.CFlag().Clr(termios.PARODD | termios.CMSPAR)
			tios.CFlag().Set(termios.PARENB)
		case ParityOdd:
			tios.CFlag().Clr(termios.CMSPAR)
			tios.CFlag().Set(termios.PARENB | termios.PARODD)
		case ParityMark:
			if termios.CMSPAR == 0 {
				return newErr("ParityMark not supported")
			}
			tios.CFlag().Set(termios.PARENB | termios.PARODD |
				termios.CMSPAR)
		case ParitySpace:
			if termios.CMSPAR == 0 {
				return newErr("ParitySpace not supported")
			}
			tios.CFlag().Clr(termios.PARODD)
			tios.CFlag().Set(termios.PARENB | termios.CMSPAR)
		case ParityNone:
			tios.CFlag().Clr(termios.PARENB | termios.PARODD |
				termios.CMSPAR)
		default:
			return newErr("invalid parity mode: " +
				conf.Parity.String())
		}
	}

	if flags&ConfFlow != 0 {
		switch conf.Flow {
		case FlowRTSCTS:
			if termios.CRTSCTS == 0 {
				return newErr("FlowRTSCTS not supported")
			}
			tios.CFlag().Set(termios.CRTSCTS)
			tios.IFlag().Clr(termios.IXON | termios.IXOFF |
				termios.IXANY)
		case FlowXONXOFF:
			tios.CFlag().Clr(termios.CRTSCTS)
			tios.IFlag().Set(termios.IXON | termios.IXOFF)
		case FlowNone:
			tios.CFlag().Clr(termios.CRTSCTS)
			tios.IFlag().Clr(termios.IXON | termios.IXOFF |
				termios.IXANY)
		default:
			return newErr("invalid flow-control mode: " +
				conf.Flow.String())
		}
//.........這裏部分代碼省略.........
開發者ID:npat-efault，項目名稱:serial，代碼行數:101，代碼來源:serial_termios_poller.go

示例4: TestMisc

func TestMisc(t *testing.T) {
	if dev == "" {
		t.Skip("No TEST_SERIAL_DEV variable set.")
	}
	f, err := os.OpenFile(dev, os.O_RDWR, 0)
	if err != nil {
		t.Fatal("Open:", err)
	}
	defer f.Close()

	var ti termios.Termios
	err = ti.GetFd(int(f.Fd()))
	if err != nil {
		t.Fatal("Cannot get termios:", err)
	}
	/* Set low baudrate */
	baudrate := 1200
	ti.SetOSpeed(baudrate)
	ti.SetISpeed(baudrate)
	/* Disable flow control */
	ti.CFlag().Clr(termios.CRTSCTS)
	ti.IFlag().Clr(termios.IXON | termios.IXOFF | termios.IXANY)
	err = ti.SetFd(int(f.Fd()), termios.TCSANOW)
	if err != nil {
		t.Fatal("Cannot set termios:", err)
	}

	/* Try to test Drain */
	b := make([]byte, 600)
	start := time.Now()
	if _, err := f.Write(b); err != nil {
		t.Fatal("Cannot write:", err)
	}
	err = termios.Drain(int(f.Fd()))
	if err != nil {
		t.Fatal("Cannot drain:", err)
	}
	dur := time.Since(start)
	charTime := 10 * time.Second / time.Duration(baudrate)
	chars := int(dur / charTime)
	// Allow some fuzz for h/w queues and stuff.
	if chars < len(b)-16 || chars > len(b)+16 {
		t.Logf("Invalid tx time %v (%d chars):", dur, chars)
	}

	/* Try to test SendBreak */
	start = time.Now()
	termios.SendBreak(int(f.Fd()))
	dur = time.Since(start)
	// POSIX says SendBreak should last between 0.25 and 1 Sec.
	if dur < 200*time.Millisecond || dur > 1100*time.Millisecond {
		t.Log("Bad SendBreak duration:", dur)
	}

	// Just call Flush
	if err := termios.Flush(int(f.Fd()), termios.TCIFLUSH); err != nil {
		t.Fatal("Flush In failed:", err)
	}
	if err := termios.Flush(int(f.Fd()), termios.TCOFLUSH); err != nil {
		t.Fatal("Flush Out failed:", err)
	}
	if err := termios.Flush(int(f.Fd()), termios.TCIOFLUSH); err != nil {
		t.Fatal("Flush InOut failed:", err)
	}
	// This should normally fail (depends on system tcflush()
	// implementation)
	if err := termios.Flush(int(f.Fd()), 4242); err == nil {
		t.Logf("Flush 4242 should fail!")
	}
}
開發者ID:npat-efault，項目名稱:serial，代碼行數:70，代碼來源:termios_test.go


注：本文中的github.com/npat-efault/serial/termios.Termios.SetISpeed方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。