Added HAMLib support for PTT control

Makefile.linux

@@ -204,6 +204,11 @@ LDLIBS += -lasound
 #LDLIBS += -lgps
 
 
+# Uncomment following lines to enable hamlib support.
+CFLAGS += -DUSE_HAMLIB
+LDLIBS += -lhamlib
+
+
 # Name of current directory.
 # Used to generate zip file name for distribution.
 

audio.h

@@ -12,6 +12,10 @@
 #ifndef AUDIO_H
 #define AUDIO_H 1
 
+#ifdef USE_HAMLIB
+#include <hamlib/rig.h>
+#endif
+
 #include "direwolf.h"		/* for MAX_CHANS used throughout the application. */
 #include "ax25_pad.h"		/* for AX25_MAX_ADDR_LEN */
 
@@ -25,7 +29,8 @@ enum ptt_method_e {
 	PTT_METHOD_NONE,	/* VOX or no transmit. */
 	PTT_METHOD_SERIAL,	/* Serial port RTS or DTR. */
 	PTT_METHOD_GPIO,	/* General purpose I/O, Linux only. */
-	PTT_METHOD_LPT };	/* Parallel printer port, Linux only. */
+	PTT_METHOD_LPT,	    /* Parallel printer port, Linux only. */
+    PTT_METHOD_HAMLIB }; /* HAMLib, Linux only. */
 
 typedef enum ptt_method_e ptt_method_t;
 
@@ -175,13 +180,14 @@ struct audio_s {
 
 #define OCTYPE_PTT 0
 #define OCTYPE_DCD 1
-#define OCTYPE_FUTURE 2	
+#define OCTYPE_RIG 2
+#define OCTYPE_FUTURE 3
 
-#define NUM_OCTYPES 3		/* number of values above */
+#define NUM_OCTYPES 4		/* number of values above */
 	
 	    struct {  		
 
-	        ptt_method_t ptt_method; /* none, serial port, GPIO, LPT. */
+	        ptt_method_t ptt_method; /* none, serial port, GPIO, LPT, HAMLIB. */
 
 	        char ptt_device[20];	/* Serial device name for PTT.  e.g. COM1 or /dev/ttyS0 */
 			
@@ -196,6 +202,10 @@ struct audio_s {
 	        int ptt_invert;		/* Invert the output. */
 	        int ptt_invert2;	/* Invert the secondary output. */
 
+#ifdef USE_HAMLIB
+            int ptt_rig;        /* HAMLib rig. */
+#endif
+
 	    } octrl[NUM_OCTYPES];
 
 	/* Transmit timing. */
@@ -224,6 +234,11 @@ struct audio_s {
 
 	} achan[MAX_CHANS];
 
+#ifdef USE_HAMLIB
+    int rigs;               /* Total number of configured rigs */
+    RIG *rig[MAX_RIGS];     /* HAMLib rig instances */
+#endif
+
 };
 
 
@@ -299,7 +314,6 @@ struct audio_s {
  * Use one or the other depending on the platform.
  */
 
-
 int audio_open (struct audio_s *pa);
 
 int audio_get (int a);		/* a = audio device, 0 for first */

config.c

@@ -46,6 +46,10 @@
 #include <pthread.h>
 #endif
 
+#ifdef USE_HAMLIB
+#include <hamlib/rig.h>
+#endif
+
 #include "ax25_pad.h"
 #include "textcolor.h"
 #include "audio.h"
@@ -489,6 +493,10 @@ void config_init (char *fname, struct audio_s *p_audio_config,
 	int line;
 	int channel;
 	int adevice;
+#if USE_HAMLIB
+    RIG *rig;
+    int rigs = 0;
+#endif
 
 #if DEBUG
 	text_color_set(DW_COLOR_DEBUG);
@@ -1367,6 +1375,24 @@ void config_init (char *fname, struct audio_s *p_audio_config,
 	      dw_printf ("Config file line %d: %s with LPT is only available on x86 Linux.\n", line, otname);
 #endif		
 	    }
+        else if (strcasecmp(t, "RIG") == 0) {
+#ifdef USE_HAMLIB
+          p_audio_config->achan[channel].octrl[ot].ptt_method = PTT_METHOD_HAMLIB;
+
+	      t = strtok (NULL, " ,\t\n\r");
+	      if (t == NULL) {
+	        text_color_set(DW_COLOR_ERROR);
+	        dw_printf ("Config file line %d: Missing RIG number.\n", line);
+	        continue;
+	      }
+
+          p_audio_config->achan[channel].octrl[ot].ptt_rig = atoi(t);
+
+#else
+          text_color_set(DW_COLOR_ERROR);
+          dw_printf ("Config file line %d: %s with RIG is only available when hamlib support is enabled.\n", line, otname);
+#endif
+        }
 	    else  {
 
 /* serial port case. */
@@ -1451,6 +1477,80 @@ void config_init (char *fname, struct audio_s *p_audio_config,
 	  }  /* end of PTT */
 
 
+/*
+ * RIG          - HAMLib rig configuration.
+ *
+ * xxx port model
+ *
+ * For example a Yeasu FT-817 on /dev/ttyUSB0:
+ * RIG /dev/ttyUSB0 120
+ *
+ * For example rigctld on localhost:
+ * RIG 127.0.0.1:4532 2
+ */
+
+      else if (strcasecmp(t, "RIG") == 0) {
+#ifdef USE_HAMLIB
+        int n;
+        hamlib_port_t port;
+        rig_model_t rig_model;
+
+        if (rigs == MAX_RIGS) {
+          text_color_set(DW_COLOR_ERROR);
+          dw_printf ("Config file line %d: Maximum number of rigs reached.\n", line);
+          continue;
+        }
+
+	    t = strtok (NULL, " ,\t\n\r");
+	    if (t == NULL) {
+	      text_color_set(DW_COLOR_ERROR);
+	      dw_printf ("Config file line %d: Missing port, model[, key=value].\n", 
+			line);
+	      continue;
+	    }
+
+	    strncpy (port.pathname, t, FILPATHLEN - 1);
+
+	    t = strtok (NULL, " ,\t\n\r");
+	    if (t == NULL) {
+	      text_color_set(DW_COLOR_ERROR);
+	      dw_printf ("Config file line %d: Missing model[, key=value]\n", line);
+	      continue;
+	    }
+
+        if (strcasecmp(t, "AUTO") == 0) {
+          rig_load_all_backends();
+          rig_model = rig_probe(&port);
+        }
+        else {
+          rig_model = atoi(t);
+        }
+
+        rig = rig_init(rig_model);
+        if (!rig) {
+          text_color_set(DW_COLOR_ERROR);
+          dw_printf ("Config file line %d: Unknown rig %d, please check riglist.h.\n", line, rig_model);
+          continue;
+        }
+
+        strncpy (rig->state.rigport.pathname, port.pathname, FILPATHLEN - 1);
+        n = rig_open(rig);
+        if (n != RIG_OK) {
+          text_color_set(DW_COLOR_ERROR);
+          dw_printf ("Config file line %d: Rig open error %d: %s\n", line, n, rigerror(n));
+          continue;
+        }
+
+        p_audio_config->rig[rigs++] = rig;
+        p_audio_config->rigs = rigs;
+    
+#else
+        text_color_set(DW_COLOR_ERROR);
+        dw_printf ("Config file line %d: RIG is only available when hamlib support is enabled.\n", line);
+        continue;
+#endif
+      }
+
 /*
  * DWAIT 		- Extra delay for receiver squelch.
  */

direwolf.h

@@ -31,6 +31,14 @@
 
 #define MAX_CHANS ((MAX_ADEVS) * 2)
 
+/*
+ * Maximum number of rigs.
+ */
+
+#ifdef USE_HAMLIB
+#define MAX_RIGS MAX_CHANS
+#endif
+
 /*
  * Get audio device number for given channel.
  * and first channel for given device.

ptt.c

@@ -121,6 +121,7 @@ void ptt_set_debug(int debug)
  *					PTT_METHOD_SERIAL - serial (com) port. 
  *					PTT_METHOD_GPIO - general purpose I/O. 
  *					PTT_METHOD_LPT - Parallel printer port. 
+ *                  PTT_METHOD_HAMLIB - HAMLib rig control.
  *			
  *			ptt_device	Name of serial port device.  
  *					 e.g. COM1 or /dev/ttyS0. 
@@ -173,6 +174,7 @@ void ptt_init (struct audio_s *audio_config_p)
 
 	strcpy (otnames[OCTYPE_PTT], "PTT");
 	strcpy (otnames[OCTYPE_DCD], "DCD");
+    strcpy (otnames[OCTYPE_RIG], "RIG");
 	strcpy (otnames[OCTYPE_FUTURE], "FUTURE");
 
 
@@ -314,7 +316,7 @@ void ptt_init (struct audio_s *audio_config_p)
 #else
 
 /*
- * Does any of them use GPIO?
+ * Does any of them use GPIO or HAMLIB?
  */
 
 	using_gpio = 0;
@@ -561,6 +563,36 @@ void ptt_init (struct audio_s *audio_config_p)
 
 #endif /* x86 Linux */
 
+#ifdef USE_HAMLIB
+	for (ch = 0; ch < MAX_CHANS; ch++) {
+	  if (save_audio_config_p->achan[ch].valid) {
+	    int ot, retcode;
+        RIG *rig;
+        freq_t freq;
+
+	    for (ot = 0; ot < NUM_OCTYPES; ot++) {
+	      if (audio_config_p->achan[ch].octrl[ot].ptt_method == PTT_METHOD_HAMLIB) {
+            if (audio_config_p->achan[ch].octrl[ot].ptt_rig - 1 >= audio_config_p->rigs) {
+              text_color_set(DW_COLOR_ERROR);
+              dw_printf ("Error: RIG %d not available.\n", audio_config_p->achan[ch].octrl[ot].ptt_rig);
+              audio_config_p->achan[ch].octrl[ot].ptt_method = PTT_METHOD_NONE;
+            }
+
+            rig = audio_config_p->rig[audio_config_p->achan[ch].octrl[ot].ptt_rig];
+            retcode = rig_get_freq(rig, RIG_VFO_CURR, &freq);
+            if (retcode == RIG_OK) {
+              text_color_set(DW_COLOR_INFO);
+              dw_printf ("RIG tuned on %"PRIfreq"\n", freq);
+            } else {
+              text_color_set(DW_COLOR_ERROR);
+              dw_printf ("RIG rig_get_freq error %s, PTT probably will not work\n", rigerror(retcode));
+            }
+          }
+        }
+      }
+    }
+#endif
+
 
 /* Why doesn't it transmit?  Probably forgot to specify PTT option. */
 
@@ -586,7 +618,7 @@ void ptt_init (struct audio_s *audio_config_p)
  *		probably be renamed something like octrl_set.
  *
  * Inputs:	ot		- Output control type:
- *				   OCTYPE_PTT, OCTYPE_DCD, OCTYPE_FUTURE
+ *				   OCTYPE_PTT, OCTYPE_DCD, OCTYPE_HAMLIB, OCTYPE_FUTURE
  *
  *		chan		- channel, 0 .. (number of channels)-1
  *
@@ -758,6 +790,24 @@ void ptt_set (int ot, int chan, int ptt_signal)
 
 #endif /* x86 Linux */
 
+#ifdef USE_HAMLIB
+/*
+ * Using hamlib?
+ */
+
+	if (save_audio_config_p->achan[chan].octrl[ot].ptt_method == PTT_METHOD_HAMLIB) {
+      int retcode;
+      RIG *rig = save_audio_config_p->rig[save_audio_config_p->achan[chan].octrl[ot].ptt_rig];
+
+      if ((retcode = rig_set_ptt(rig, RIG_VFO_CURR, ptt ? RIG_PTT_ON : RIG_PTT_OFF)) != RIG_OK) {
+        text_color_set(DW_COLOR_ERROR);
+        dw_printf ("Error sending rig_set_ptt command for channel %d %s\n", chan, otnames[ot]);
+        dw_printf ("%s\n", rigerror(retcode));
+      }
+    }
+
+#endif
+
 
 } /* end ptt_set */
 
@@ -803,6 +853,31 @@ void ptt_term (void)
 	    }
 	  }
 	}
+
+#ifdef USE_HAMLIB
+    for (n = 0; n < save_audio_config_p->rigs; n++) {
+      RIG *rig = save_audio_config_p->rig[n];
+      int retcode;
+
+      if ((retcode = rig_set_ptt(rig, RIG_VFO_CURR, RIG_PTT_OFF)) != RIG_OK) {
+        text_color_set(DW_COLOR_ERROR);
+        dw_printf ("Error sending rig_set_ptt command for rig %d\n", n);
+        dw_printf ("%s\n", rigerror(retcode));
+      }
+
+      if ((retcode = rig_close(rig)) != RIG_OK) {
+        text_color_set(DW_COLOR_ERROR);
+        dw_printf ("Error sending rig_close command for rig %d\n", n);
+        dw_printf ("%s\n", rigerror(retcode));
+      }
+
+      if ((retcode = rig_cleanup(rig)) != RIG_OK) {
+        text_color_set(DW_COLOR_ERROR);
+        dw_printf ("Error sending rig_cleanup command for rig %d\n", n);
+        dw_printf ("%s\n", rigerror(retcode));
+      }
+    }
+#endif
 }