Tentative support for OpenBSD

See #27

.travis.yml

@@ -16,6 +16,9 @@ env:
   - TEST_OS=darwin TEST_ARCH=amd64
   - TEST_OS=freebsd TEST_ARCH=amd64
   - TEST_OS=dragonfly TEST_ARCH=amd64
+  - TEST_OS=openbsd TEST_ARCH=amd64
+  - TEST_OS=openbsd TEST_ARCH=386
+  - TEST_OS=openbsd TEST_ARCH=arm
 
 matrix:
   allow_failures:

serial_darwin_386.go

@@ -47,3 +47,7 @@ const tcCCTS_OFLOW uint32 = 0x00010000
 const tcCRTS_IFLOW uint32 = 0x00020000
 
 const tcCRTSCTS uint32 = (tcCCTS_OFLOW | tcCRTS_IFLOW)
+
+func toTermiosSpeedType(speed uint32) uint32 {
+	return speed
+}

serial_darwin_amd64.go

@@ -47,3 +47,7 @@ const tcCCTS_OFLOW uint64 = 0x00010000
 const tcCRTS_IFLOW uint64 = 0x00020000
 
 const tcCRTSCTS uint64 = (tcCCTS_OFLOW | tcCRTS_IFLOW)
+
+func toTermiosSpeedType(speed uint64) uint64 {
+	return speed
+}

serial_freebsd.go

@@ -56,3 +56,7 @@ const tcCRTSCTS uint32 = tcCCTS_OFLOW
 const ioctlTcgetattr = unix.TIOCGETA
 const ioctlTcsetattr = unix.TIOCSETA
 const ioctlTcflsh = unix.TIOCFLUSH
+
+func toTermiosSpeedType(speed uint32) uint32 {
+	return speed
+}

serial_linux.go

@@ -63,3 +63,7 @@ const tcCRTSCTS uint32 = unix.CRTSCTS
 const ioctlTcgetattr = unix.TCGETS
 const ioctlTcsetattr = unix.TCSETS
 const ioctlTcflsh = unix.TCFLSH
+
+func toTermiosSpeedType(speed uint32) uint32 {
+	return speed
+}

serial_openbsd.go

@@ -0,0 +1,62 @@
+//
+// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+//
+
+package serial // import "go.bug.st/serial.v1"
+
+import "golang.org/x/sys/unix"
+
+const devFolder = "/dev"
+const regexFilter = "^(cu|tty)\\..*"
+
+// termios manipulation functions
+
+var baudrateMap = map[int]uint32{
+	0:      unix.B9600, // Default to 9600
+	50:     unix.B50,
+	75:     unix.B75,
+	110:    unix.B110,
+	134:    unix.B134,
+	150:    unix.B150,
+	200:    unix.B200,
+	300:    unix.B300,
+	600:    unix.B600,
+	1200:   unix.B1200,
+	1800:   unix.B1800,
+	2400:   unix.B2400,
+	4800:   unix.B4800,
+	9600:   unix.B9600,
+	19200:  unix.B19200,
+	38400:  unix.B38400,
+	57600:  unix.B57600,
+	115200: unix.B115200,
+	230400: unix.B230400,
+	//460800: unix.B460800,
+	//921600: unix.B921600,
+}
+
+var databitsMap = map[int]uint32{
+	0: unix.CS8, // Default to 8 bits
+	5: unix.CS5,
+	6: unix.CS6,
+	7: unix.CS7,
+	8: unix.CS8,
+}
+
+const tcCMSPAR uint32 = 0 // may be CMSPAR or PAREXT
+const tcIUCLC uint32 = 0
+
+const tcCCTS_OFLOW uint32 = 0x00010000
+const tcCRTS_IFLOW uint32 = 0x00020000
+
+const tcCRTSCTS uint32 = tcCCTS_OFLOW
+
+const ioctlTcgetattr = unix.TIOCGETA
+const ioctlTcsetattr = unix.TIOCSETA
+const ioctlTcflsh = unix.TIOCFLUSH
+
+func toTermiosSpeedType(speed uint32) int32 {
+	return int32(speed)
+}

serial_unix.go

@@ -4,7 +4,7 @@
 // license that can be found in the LICENSE file.
 //
 
-// +build linux darwin freebsd
+// +build linux darwin freebsd openbsd
 
 package serial // import "go.bug.st/serial.v1"
 
@@ -252,8 +252,8 @@ func setTermSettingsBaudrate(speed int, settings *unix.Termios) error {
 	}
 	// set new baudrate
 	settings.Cflag |= baudrate
-	settings.Ispeed = baudrate
-	settings.Ospeed = baudrate
+	settings.Ispeed = toTermiosSpeedType(baudrate)
+	settings.Ospeed = toTermiosSpeedType(baudrate)
 	return nil
 }
 

syscall_openbsd.go

@@ -0,0 +1,9 @@
+//
+// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+//
+
+package serial // import "go.bug.st/serial.v1"
+
+//sys ioctl(fd int, req uint64, data uintptr) (err error)

unixutils/pipe.go

@@ -4,7 +4,7 @@
 // license that can be found in the LICENSE file.
 //
 
-// +build linux darwin freebsd
+// +build linux darwin freebsd openbsd
 
 package unixutils // import "go.bug.st/serial.v1/unixutils"
 

unixutils/select.go

@@ -4,7 +4,7 @@
 // license that can be found in the LICENSE file.
 //
 
-// +build linux darwin freebsd
+// +build linux darwin freebsd openbsd
 
 package unixutils // "go.bug.st/serial.v1/unixutils"
 

zsyscall_openbsd.go

@@ -0,0 +1,21 @@
+//
+// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+//
+
+// This file is machine generated by the command:
+//   mksyscall.pl serial_openbsd.go
+// The generated stub is modified to make it compile under the "serial" package
+
+package serial // import "go.bug.st/serial.v1"
+
+import "syscall"
+
+func ioctl(fd int, req uint64, data uintptr) (err error) {
+	_, _, e1 := syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), uintptr(req), uintptr(data))
+	if e1 != 0 {
+		err = e1
+	}
+	return
+}