K3/KX3 S-meter calibration.

K3 returns S-meter values of 0-15.  Tested with grig 0.8.0~rc1.

kenwood/elecraft.h

@@ -69,5 +69,31 @@ extern const struct confparams elecraft_ext_levels[];
 /* Elecraft extension function declarations */
 int elecraft_open(RIG *rig);
 
+/* S-meter calibration tables */
+
+/* K3 defines 16 values--0-15.
+ * Table is RASTR value from SM command and dB relative to S9 == 0
+ * (see rig_get_level() in src/settings.c
+ */
+#define K3_STR_CAL { 16, \
+	{ \
+		{ 0, -54 }, \
+		{ 1, -42 }, \
+		{ 2, -36 }, \
+		{ 3, -24 }, \
+		{ 4, -12 }, \
+		{ 5, -6 }, \
+		{ 6, 0 }, \
+		{ 7, 10 }, \
+		{ 8, 15 }, \
+		{ 9, 20 }, \
+		{ 10, 30 }, \
+		{ 11, 35 }, \
+		{ 12, 40 }, \
+		{ 13, 50 }, \
+		{ 14, 55 }, \
+		{ 15, 60 }, \
+	} }
+
 
 #endif /* _ELECRAFT_H */

kenwood/k3.c

@@ -42,7 +42,7 @@
 
 #define K3_LEVEL_ALL (RIG_LEVEL_ATT|RIG_LEVEL_PREAMP|RIG_LEVEL_AGC|RIG_LEVEL_SQL|\
 	RIG_LEVEL_STRENGTH|RIG_LEVEL_RFPOWER|RIG_LEVEL_KEYSPD|\
-	RIG_LEVEL_AF|RIG_LEVEL_RF|RIG_LEVEL_MICGAIN)
+	RIG_LEVEL_AF|RIG_LEVEL_RF|RIG_LEVEL_MICGAIN|RIG_LEVEL_RAWSTR)
 
 #define K3_VFO (RIG_VFO_A|RIG_VFO_B)
 #define K3_VFO_OP (RIG_OP_UP|RIG_OP_DOWN)
@@ -183,6 +183,7 @@ const struct rig_caps k3_caps = {
 		{RIG_MODE_FM, kHz(13)}, /* TBC */
 		RIG_FLT_END,
 	},
+	.str_cal = K3_STR_CAL,
 	.priv =  (void *)&k3_priv_caps,
 
 	.rig_init =		kenwood_init,