From 0e4cf7ee2d93d04d6fd2a29aade22032e3158c1a Mon Sep 17 00:00:00 2001
From: c vw <dl1ycf@darc.de>
Date: Tue, 12 Jan 2021 17:01:18 +0100
Subject: [PATCH] Added "CWKEY" MIDI-action for use with external keyers

---
 midi.h  |  1 +
 midi2.c |  1 +
 midi3.c | 20 ++++++++++++++++++++
 3 files changed, 22 insertions(+)

diff --git a/midi.h b/midi.h
index cc7024e..54b14f4 100644
--- a/midi.h
+++ b/midi.h
@@ -61,6 +61,7 @@ enum MIDIaction {
   MIDI_ACTION_COMPRESS,		// COMPRESS:		TX compressor value
   MIDI_ACTION_CTUN,		// CTUN:		toggle CTUN on/off
   MIDI_ACTION_VFO,		// CURRVFO:		change VFO frequency
+  MIDI_ACTION_CWKEY,		// CWKEY:		Unconditional CW key-down/up (outside keyer)
   MIDI_ACTION_CWL,		// CWL:			Left paddle pressed (use with ONOFF)
   MIDI_ACTION_CWR,		// CWR:			Right paddle pressed (use with ONOFF)
   MIDI_ACTION_CWSPEED,		// CWSPEED:		Set speed of (iambic) CW keyer
diff --git a/midi2.c b/midi2.c
index e316ea1..f6caaca 100644
--- a/midi2.c
+++ b/midi2.c
@@ -125,6 +125,7 @@ static struct {
         { MIDI_ACTION_COMPRESS,     	"COMPRESS"},
 	{ MIDI_ACTION_CTUN,  		"CTUN"},
 	{ MIDI_ACTION_VFO,		"CURRVFO"},
+	{ MIDI_ACTION_CWKEY,		"CWKEY"},
 	{ MIDI_ACTION_CWL,		"CWL"},
 	{ MIDI_ACTION_CWR,		"CWR"},
 	{ MIDI_ACTION_CWSPEED,		"CWSPEED"},
diff --git a/midi3.c b/midi3.c
index d876cd8..5ad079a 100644
--- a/midi3.c
+++ b/midi3.c
@@ -217,6 +217,26 @@ void DoTheMidi(enum MIDIaction action, enum MIDItype type, int val) {
 		g_idle_add(ext_vfo_step, GINT_TO_POINTER(val));
 	    }
 	    break;
+	/////////////////////////////////////////////////////////// "CW"
+	case MIDI_ACTION_CWKEY: // only key
+	  //
+	  // This is a CW key-up/down which works outside the keyer.
+	  // It is intended for the use of external keyers
+	  // and works if not compiled with LOCALCW
+	  // and/or using "CW handled in radio". 
+	  // NO BREAK-IN! The keyer has to send a MIDI "PTT on" command and
+	  // wait a decent amount of time before doing key-down.
+          //
+	    if (type == MIDI_TYPE_KEY) {
+              if (val != 0) {
+		cw_key_down=480000;  // max. 10 sec
+		cw_key_up=0;
+	      } else {
+		cw_key_down=0;
+		cw_key_up=0;
+	      }
+            }
+	    break;
 	/////////////////////////////////////////////////////////// "CWL"
 	/////////////////////////////////////////////////////////// "CWR"
 	case MIDI_ACTION_CWL: // only key
-- 
2.45.2