From dd2d740787e4e37bc105c0b9707f8648103f5470 Mon Sep 17 00:00:00 2001
From: Alex Swedenburg <github@delorted.com>
Date: Thu, 12 Nov 2015 08:52:02 -0700
Subject: [PATCH] Config changes for TXINH

---
 audio.h  |  6 ++++++
 config.c | 24 ++++++++++++++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/audio.h b/audio.h
index 3f6017a..2702b9d 100644
--- a/audio.h
+++ b/audio.h
@@ -198,6 +198,12 @@ struct audio_s {
 
 	    } octrl[NUM_OCTYPES];
 
+	    struct {
+	    	int enabled;
+	    	int gpio;
+		int invert;
+	    } txinh;
+
 	/* Transmit timing. */
 
 	    int dwait;			/* First wait extra time for receiver squelch. */
diff --git a/config.c b/config.c
index d0ebee6..59fe26b 100644
--- a/config.c
+++ b/config.c
@@ -1450,6 +1450,30 @@ void config_init (char *fname, struct audio_s *p_audio_config,
 
 	  }  /* end of PTT */
 
+/*
+ * TXINH		- Input for TX inhibit signal
+ */
+
+	  else if (strcasecmp(t, "TXINH") == 0) {
+	    t = strtok (NULL, " ,\t\n\r");
+	    if (t == NULL) {
+	      text_color_set(DW_COLOR_ERROR);
+	      dw_printf ("Config file line %d: Missing GPIO number for TXINH.\n",
+		    line);
+	      continue;
+	    }
+	    
+	    p_audio_config->achan[channel].txinh.enabled = 1;
+
+	    if (*t == '-') {
+	      p_audio_config->achan[channel].txinh.gpio = atoi(t+1);
+	      p_audio_config->achan[channel].txinh.invert = 1;
+	    }
+	    else {
+	      p_audio_config->achan[channel].txinh.gpio = atoi(t);
+	      p_audio_config->achan[channel].txinh.invert = 0;
+	    }
+	  }  /* end of TXINH */
 
 /*
  * DWAIT 		- Extra delay for receiver squelch.