Fix some issues with commands not supported by TS-2000 CAT emulations

Various SDR  consoles are  supported by the  TS-2000 back  end, ensure
that commands  unsupported are  not sent  to them.  Added a  flag that
shows back end is talking to an emulation like SmartSDR or PowerSDR.

kenwood/kenwood.c

@@ -603,6 +603,7 @@ int kenwood_open(RIG *rig)
       || !strcmp ("ID907", id)  /* PowerSDR Flex-6300 */
       )
     {
+      priv->is_emulation = 1;   /* Emulations don't have SAT mode */
       strcpy (id, "ID019");  /* fake it */
     }
 
@@ -736,7 +737,7 @@ int kenwood_set_vfo(RIG *rig, vfo_t vfo)
   }
 
   //if rig=ts2000 then check Satellite mode status
-  if(rig->caps->rig_model == RIG_MODEL_TS2000) {
+  if(rig->caps->rig_model == RIG_MODEL_TS2000 && !priv->is_emulation) {
     char retbuf[20];
     rig_debug(RIG_DEBUG_VERBOSE, "Checking Satellite mode status\n");
     snprintf(cmdbuf, sizeof (cmdbuf), "SA");
@@ -1380,6 +1381,7 @@ int kenwood_set_mode(RIG *rig, vfo_t vfo, rmode_t mode, pbwidth_t width)
   if (!rig)
     return -RIG_EINVAL;
 
+  struct kenwood_priv_data *priv = rig->state.priv;
   struct kenwood_priv_caps *caps = kenwood_caps(rig);
   char buf[6];
   char kmode;
@@ -1411,6 +1413,14 @@ int kenwood_set_mode(RIG *rig, vfo_t vfo, rmode_t mode, pbwidth_t width)
         }
     }
 
+  if (priv->is_emulation)
+    {
+      /* emulations like PowerSDR and SmartSDR normally hijack the
+         RTTY modes for SSB-DATA AFSK modes */
+      if (RIG_MODE_PKTLSB == mode) mode = RIG_MODE_RTTY;
+      if (RIG_MODE_PKTUSB == mode) mode = RIG_MODE_RTTYR;
+    }
+
   kmode = rmode2kenwood(mode, caps->mode_table);
   if (kmode < 0 ) {
     rig_debug(RIG_DEBUG_WARN, "%s: unsupported mode '%s'\n",
@@ -1545,6 +1555,7 @@ int kenwood_get_mode(RIG *rig, vfo_t vfo, rmode_t *mode, pbwidth_t *width)
   if (!rig || !mode || !width)
     return -RIG_EINVAL;
 
+  struct kenwood_priv_data *priv = rig->state.priv;
   struct kenwood_priv_caps *caps = kenwood_caps(rig);
   char cmd[4];
   char modebuf[10];
@@ -1593,6 +1604,13 @@ int kenwood_get_mode(RIG *rig, vfo_t vfo, rmode_t *mode, pbwidth_t *width)
       kmode = modebuf[offs] - 'A' + 10;
     }
   *mode = kenwood2rmode(kmode, caps->mode_table);
+  if (priv->is_emulation)
+    {
+      /* emulations like PowerSDR and SmartSDR normally hijack the
+         RTTY modes for SSB-DATA AFSK modes */
+      if (RIG_MODE_RTTY == *mode) *mode = RIG_MODE_PKTLSB;
+      if (RIG_MODE_RTTYR == *mode) *mode = RIG_MODE_PKTUSB;
+    }
 
   if (RIG_MODEL_TS590S == rig->caps->rig_model
       || RIG_MODEL_TS590SG == rig->caps->rig_model)

kenwood/kenwood.h

@@ -78,6 +78,7 @@ struct kenwood_priv_data {
     int trn_state;  /* AI state discovered at startup */
     unsigned fw_rev_uint; /* firmware revison as a number 1.07 -> 107 */
     char verify_cmd[4];   /* command used to verify set commands */
+    int is_emulation;     /* flag for TS-2000 emulations */
     void * data;          /* model specific data */
 };