Add set_ptt for kachina 505dsp

rigs/kachina/505dsp.c

@@ -62,7 +62,7 @@ struct rig_caps k505dsp_caps =
     .copyright =  "LGPL",
     .status =  RIG_STATUS_STABLE,
     .rig_type =  RIG_TYPE_COMPUTER,
-    .ptt_type =  RIG_PTT_NONE,
+    .ptt_type =  RIG_PTT_RIG,
     .dcd_type =  RIG_DCD_RIG,
     .port_type =  RIG_PORT_SERIAL,
     .serial_rate_min =  9600,
@@ -151,6 +151,7 @@ struct rig_caps k505dsp_caps =
 
     .set_freq =  kachina_set_freq,
     .set_mode =  kachina_set_mode,
+    .set_ptt = kachina_set_ptt,
 
     .get_level =  kachina_get_level,
     .hamlib_check_rig_caps = HAMLIB_CHECK_RIG_CAPS

rigs/kachina/kachina.c

@@ -169,12 +169,16 @@ int kachina_set_freq(RIG *rig, vfo_t vfo, freq_t freq)
     /* transmit frequency */
     retval = kachina_trans_n(rig, 'T', (char *) freqbuf, 4);
 
-    if (retval != RIG_OK)
-    {
-        return retval;
-    }
+    return retval;
+}
 
-    return RIG_OK;
+int kachina_set_ptt(RIG *rig, vfo_t vfo, ptt_t ptt)
+{
+    char c = ptt == 0 ? 0x00 : 0x01;
+
+    int retval = kachina_trans_n(rig, 'X', &c , 1);
+
+    return retval;
 }
 
 /*

rigs/kachina/kachina.h

@@ -24,10 +24,11 @@
 
 #include <hamlib/rig.h>
 
-#define BACKEND_VER "20061007"
+#define BACKEND_VER "20240420"
 
 int kachina_set_freq(RIG *rig, vfo_t vfo, freq_t freq);
 int kachina_set_mode(RIG *rig, vfo_t vfo, rmode_t mode, pbwidth_t width);
+int kachina_set_ptt(RIG *rig, vfo_t vfo, ptt_t ptt);
 int kachina_get_level(RIG *rig, vfo_t vfo, setting_t level, value_t *val);
 
 extern struct rig_caps k505dsp_caps;