1 files changed, 66 insertions, 0 deletions
diff --git a/serial.go b/serial.go
new file mode 100644
index 0000000..e3cd3cb
--- /dev/null
+++ b/serial.go
@@ -0,0 +1,66 @@
+package userial
+
+import (
+	"time"
+
+	"golang.org/x/sys/unix"
+)
+
+type Serial struct {
+	baud baudrates
+	data databitcs
+	prty paritybit
+	stop stopbitcs
+	cbit uint32
+	ibit uint32
+	tout time.Duration
+}
+
+// NewSerial return a Serial data type with default settings
+func NewSerial() *Serial {
+	return &Serial{
+		baud: B0009600, data: CS8, prty: ParityNon, stop: StopBitA,
+		cbit: unix.CREAD | unix.CLOCAL, ibit: unix.IGNPAR,
+	}
+}
+
+func (p *Serial) GetBuadRate() baudrates    { return p.baud }
+func (p *Serial) GetDataBit() databitcs     { return p.data }
+func (p *Serial) GetParity() paritybit      { return p.prty }
+func (p *Serial) GetStopBit() stopbitcs     { return p.stop }
+func (p *Serial) GetTimeout() time.Duration { return p.tout }
+
+func (p *Serial) SetBuadRate(v baudrates) *Serial    { p.baud = v; return p }
+func (p *Serial) SetDataBit(v databitcs) *Serial     { p.data = v; return p }
+func (p *Serial) SetParity(v paritybit) *Serial      { p.prty = v; return p }
+func (p *Serial) SetStopBit(v stopbitcs) *Serial     { p.stop = v; return p }
+func (p *Serial) SetTimeout(d time.Duration) *Serial { p.tout = d; return p }
+
+func (p *Serial) SetFlowControl(val hwcontrol) *Serial {
+	switch val {
+	case Hardware:
+		p.ibit &^= unix.IXON | unix.IXOFF | unix.IXANY
+		p.cbit |= unix.CRTSCTS
+	case Softeare:
+		p.ibit |= unix.IXON | unix.IXOFF | unix.IXANY
+		p.cbit &^= unix.CRTSCTS
+	case None:
+		p.ibit &^= unix.IXON | unix.IXOFF | unix.IXANY
+		p.cbit &^= unix.CRTSCTS
+	}
+	return p
+}
+
+func (p *Serial) GetFlowControl() hwcontrol {
+
+	if p.cbit&unix.CRTSCTS == unix.CRTSCTS {
+		return Hardware
+	}
+
+	if p.ibit&(unix.IXON|unix.IXOFF|
+		unix.IXANY) == (unix.IXON | unix.IXOFF | unix.IXANY) {
+		return Softeare
+	}
+
+	return None
+}