Move platform specific stuff to separate files

audio-linux.go

@@ -16,7 +16,8 @@ type audioStruct struct {
 
 	// Send to this channel to play audio.
 	play chan []byte
-	rec  chan []byte
+	// Read from this channel for audio.
+	rec chan []byte
 
 	mutex   sync.Mutex
 	playBuf *bytes.Buffer

main.go

@@ -22,6 +22,7 @@ func exit(err error) {
 	streams.audio.sendDisconnect()
 	streams.serial.deinit()
 	streams.control.sendDisconnect()
+	serialPort.deinit()
 	audio.deinit()
 
 	log.Print("exiting")
@@ -46,6 +47,7 @@ func main() {
 	log.Print("kappanhang by Norbert Varga HA2NON and Akos Marton ES1AKOS https://github.com/nonoo/kappanhang")
 	parseArgs()
 
+	serialPort.init()
 	audio.init()
 	streams.audio.init()
 	streams.serial.init()

serial-linux.go

@@ -0,0 +1,31 @@
+package main
+
+import (
+	"github.com/google/goterm/term"
+	"github.com/nonoo/kappanhang/log"
+)
+
+type serialPortStruct struct {
+	pty *term.PTY
+}
+
+var serialPort serialPortStruct
+
+func (s *serialPortStruct) init() {
+	var err error
+	s.pty, err = term.OpenPTY()
+	if err != nil {
+		exit(err)
+	}
+	n, err := s.pty.PTSName()
+	if err != nil {
+		exit(err)
+	}
+	log.Print("opened ", n)
+}
+
+func (s *serialPortStruct) deinit() {
+	if s.pty != nil {
+		s.pty.Close()
+	}
+}

serialstream.go

@@ -1,29 +1,15 @@
 package main
 
 import (
-	"github.com/google/goterm/term"
 	"github.com/nonoo/kappanhang/log"
 )
 
 type serialStream struct {
 	common streamCommon
-
-	pty *term.PTY
 }
 
 func (s *serialStream) init() {
 	s.common.open("serial", 50002)
-
-	var err error
-	s.pty, err = term.OpenPTY()
-	if err != nil {
-		exit(err)
-	}
-	n, err := s.pty.PTSName()
-	if err != nil {
-		exit(err)
-	}
-	log.Print("opened ", n)
 }
 
 func (s *serialStream) handleRead(r []byte) {
@@ -49,7 +35,4 @@ func (s *serialStream) start() {
 
 func (s *serialStream) deinit() {
 	s.common.sendDisconnect()
-	if s.pty != nil {
-		s.pty.Close()
-	}
 }