From 16d102e6012bb7dd9a37de701aa458df58a39dd0 Mon Sep 17 00:00:00 2001
From: "David E. Tiller" <3858971+dtiller@users.noreply.github.com>
Date: Wed, 6 Apr 2022 07:57:08 -0400
Subject: [PATCH] Cleanup and changes to fix DTMF message.

---
 src/config.c      | 11 ++++++++++-
 src/decode_aprs.c |  3 +++
 src/demod.c       |  2 +-
 src/version.h     |  4 +++-
 4 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/src/config.c b/src/config.c
index 8588a8c..407650c 100644
--- a/src/config.c
+++ b/src/config.c
@@ -1282,12 +1282,15 @@ void config_init (char *fname, struct audio_s *p_audio_config,
 	    else if (strcasecmp(t,"EAS") == 0) {
 	      n = MAX_BAUD-2;	// Hack - See special case later.
 	    }
+	    else if (strcasecmp(t,"EOTD") == 0) {
+	      n = MAX_BAUD-3;	// Hack - See special case later.
+	    }
 	    else {
 	      n = atoi(t);
 	    }
             if (n >= MIN_BAUD && n <= MAX_BAUD) {
 	      p_audio_config->achan[channel].baud = n;
-	      if (n != 300 && n != 1200 && n != 2400 && n != 4800 && n != 9600 && n != 19200 && n != MAX_BAUD-1 && n != MAX_BAUD-2) {
+	      if (n != 300 && n != 1200 && n != 2400 && n != 4800 && n != 9600 && n != 19200 && n != MAX_BAUD-1 && n != MAX_BAUD-2 && n != MAX_BAUD-3) {
 	        text_color_set(DW_COLOR_ERROR);
 	        dw_printf ("Line %d: Warning: Non-standard data rate of %d bits per second.  Are you sure?\n", line, n);
     	      }
@@ -1339,6 +1342,12 @@ void config_init (char *fname, struct audio_s *p_audio_config,
 	      p_audio_config->achan[channel].space_freq = 1563;	// Actually 1562.5 - logic 0.
 	      // ? strlcpy (p_audio_config->achan[channel].profiles, "D", sizeof(p_audio_config->achan[channel].profiles));
 	    }
+	    else if (p_audio_config->achan[channel].baud == MAX_BAUD-3) {
+              p_audio_config->achan[channel].modem_type = MODEM_EOTD;
+              p_audio_config->achan[channel].mark_freq = 1200;
+              p_audio_config->achan[channel].space_freq = 1200;
+	      p_audio_config->achan[channel].baud = 1200;
+	    }
 	    else {
               p_audio_config->achan[channel].modem_type = MODEM_SCRAMBLE;
               p_audio_config->achan[channel].mark_freq = 0;
diff --git a/src/decode_aprs.c b/src/decode_aprs.c
index 3afa377..5df125c 100644
--- a/src/decode_aprs.c
+++ b/src/decode_aprs.c
@@ -2350,6 +2350,9 @@ static void aprs_user_defined (decode_aprs_t *A, char *info, int ilen)
 	  A->g_altitude_ft = DW_METERS_TO_FEET(alt_meters);
 	  strcpy (A->g_mfr, "");
 	}
+	else if (info[0] == '{' && info[1] == USER_DEF_USER_ID && info[2] == USER_DEF_TYPE_EOTD) {
+	  snprintf (A->g_msg_type, sizeof(A->g_msg_type), "End-of-Train Device CSV Data");
+	}
 	else if (strncmp(info, "{{", 2) == 0) {
 	  snprintf (A->g_msg_type, sizeof(A->g_msg_type), "User-Defined Experimental");
 	}
diff --git a/src/demod.c b/src/demod.c
index ddf3a13..0340096 100644
--- a/src/demod.c
+++ b/src/demod.c
@@ -134,7 +134,7 @@ int demod_init (struct audio_s *pa)
 
 	    case MODEM_AFSK:
 	    case MODEM_EAS:
-            case MODEM_EOTD: // TODO DET
+            case MODEM_EOTD:
 
 	      if (save_audio_config_p->achan[chan].modem_type == MODEM_EAS) {
 		if (save_audio_config_p->achan[chan].fix_bits != RETRY_NONE) {
diff --git a/src/version.h b/src/version.h
index feaa6c9..2b58115 100644
--- a/src/version.h
+++ b/src/version.h
@@ -19,4 +19,6 @@
 
 #define USER_DEF_TYPE_AIS 'A'		// data type A for AIS NMEA sentence
 #define USER_DEF_TYPE_EAS 'E'		// data type E for EAS broadcasts
-#define USER_DEF_TYPE_EOTD 'T'		// data type T for 'T'rain broadcasts
+#define USER_DEF_TYPE_EOTD 'R'		// data type R for 'Railroad' broadcasts
+#define USER_DEF_TYPE_DTMF 'T'		// 'T' is used without constant in the code.
+