From ceff32669042d549b70800827ff568a5f642e206 Mon Sep 17 00:00:00 2001
From: David Izaguirre <austin1313@cox.net>
Date: Sat, 19 Dec 2020 23:05:28 -0500
Subject: [PATCH] My radio is configured to only modulate on the digital
 setting, so it's convinent to have the software set digital mode
 automatically.

---
 args.go        | 3 +++
 audio-linux.go | 5 +++++
 civcontrol.go  | 4 ++++
 3 files changed, 12 insertions(+)

diff --git a/args.go b/args.go
index 767a600..08b59b4 100644
--- a/args.go
+++ b/args.go
@@ -20,6 +20,7 @@ var rigctldPort uint16
 var runCmd string
 var runCmdOnSerialPortCreated string
 var statusLogInterval time.Duration
+var digitalOnTx bool
 
 func parseArgs() {
 	h := getopt.BoolLong("help", 'h', "display help")
@@ -35,6 +36,7 @@ func parseArgs() {
 	e := getopt.StringLong("exec", 'e', "", "Exec cmd when connected")
 	o := getopt.StringLong("exec-serial", 'o', "socat /tmp/kappanhang-IC-705.pty /tmp/vmware.pty", "Exec cmd when virtual serial port is created, set to - to disable")
 	i := getopt.Uint16Long("log-interval", 'i', 100, "Status bar/log interval in milliseconds")
+	d := getopt.BoolLong("digital-on-TX", 'd', "Automatically enable data mode when TX from kappanhang")
 
 	getopt.Parse()
 
@@ -56,4 +58,5 @@ func parseArgs() {
 	runCmd = *e
 	runCmdOnSerialPortCreated = *o
 	statusLogInterval = time.Duration(*i) * time.Millisecond
+	digitalOnTx = *d
 }
diff --git a/audio-linux.go b/audio-linux.go
index 23d3317..2f1a349 100644
--- a/audio-linux.go
+++ b/audio-linux.go
@@ -87,6 +87,11 @@ func (a *audioStruct) togglePlaybackToDefaultSoundcard() {
 
 func (a *audioStruct) toggleRecFromDefaultSoundcard() {
 	if a.defaultSoundcardStream.recStream == nil {
+		if digitalOnTx {
+			if err := civControl.enableDataMode(); err != nil {
+				log.Error("can't change datamode: ", err)
+			}
+		}
 		ss := pulse.SampleSpec{Format: pulse.SAMPLE_S16LE, Rate: audioSampleRate, Channels: 1}
 		battr := pulse.NewBufferAttr()
 		battr.Fragsize = uint32(audioFrameSize)
diff --git a/civcontrol.go b/civcontrol.go
index 28dc440..032891d 100644
--- a/civcontrol.go
+++ b/civcontrol.go
@@ -1055,6 +1055,10 @@ func (s *civControlStruct) toggleDataMode() error {
 	return s.setDataMode(!s.state.dataMode)
 }
 
+func (s *civControlStruct) enableDataMode() error {
+	return s.setDataMode(true)
+}
+
 func (s *civControlStruct) incBand() error {
 	i := s.state.bandIdx + 1
 	if i >= len(civBands) {