Change Barrett 4050 to channelized frequency method.

The TC command is not implemented yet in the 4050.
Barrett said eeprom is good for 1,000,000 writes
https://github.com/Hamlib/Hamlib/issues/923

rigs/barrett/4050.c

@@ -47,6 +47,7 @@
 
 #define BARRETT4050_FUNCTIONS (RIG_FUNC_TUNER)
 
+extern int barret950_get_freq(RIG *rig, vfo_t vfo, freq_t freq);
 
 /*
  * barrett4050_get_level
@@ -85,6 +86,7 @@ static int barrett4050_open(RIG *rig)
 {
     int retval;
     char *response;
+    struct barrett_priv_data *priv = rig->state.priv;
     ENTERFUNC;
     barrett4050_get_info(rig);
     retval = barrett_transaction(rig, "IDC9999", 0, &response);
@@ -92,6 +94,7 @@ static int barrett4050_open(RIG *rig)
     if (retval == RIG_OK)
     {
         rig_debug(RIG_DEBUG_VERBOSE, "%s: channel 9999 info=%s\n", __func__, response);
+        priv->channel_base = 9990;
     }
 
     retval = barrett_transaction(rig, "XC9999", 0, &response);
@@ -116,9 +119,9 @@ const struct rig_caps barrett4050_caps =
     RIG_MODEL(RIG_MODEL_BARRETT_4050),
     .model_name =       "4050",
     .mfg_name =         "Barrett",
-    .version =          BACKEND_VER ".0c",
+    .version =          BACKEND_VER ".0d",
     .copyright =        "LGPL",
-    .status =           RIG_STATUS_STABLE,
+    .status =           RIG_STATUS_BETA,
     .rig_type =         RIG_TYPE_TRANSCEIVER,
     .targetable_vfo =   RIG_TARGETABLE_FREQ | RIG_TARGETABLE_MODE,
     .ptt_type =         RIG_PTT_RIG,
@@ -165,7 +168,9 @@ const struct rig_caps barrett4050_caps =
     .rig_cleanup =  barrett_cleanup,
     .rig_open = barrett4050_open,
 
-    .set_freq = barrett_set_freq,
+    // Barrett said eeprom is good for 1M writes so channelized should be OK for a long time
+    // TC command was not implemented as of 2022-01-12 which would be better
+    .set_freq = barrett950_set_freq,
     .get_freq = barrett_get_freq,
     .set_mode = barrett_set_mode,
     .get_mode = barrett_get_mode,

rigs/barrett/950.c

@@ -46,7 +46,7 @@
 #define BARRETT950_LEVELS (RIG_LEVEL_NONE)
 
 
-static int barrett950_set_freq(RIG *rig, vfo_t vfo, freq_t freq);
+int barrett950_set_freq(RIG *rig, vfo_t vfo, freq_t freq);
 
 static int barrett950_get_level(RIG *rig, vfo_t vfo, setting_t level,
                                 value_t *val);
@@ -158,6 +158,7 @@ int barrett950_set_freq(RIG *rig, vfo_t vfo, freq_t freq)
     freq_t freq_rx, freq_tx;
     freq_t freq_MHz;
     char *response = NULL;
+    struct barrett_priv_data *priv = rig->state.priv;
     //struct barrett_priv_data *priv = rig->state.priv;
 
     rig_debug(RIG_DEBUG_VERBOSE, "%s: vfo=%s freq=%.0f\n", __func__,
@@ -175,7 +176,8 @@ int barrett950_set_freq(RIG *rig, vfo_t vfo, freq_t freq)
     {
         if (freq_MHz >= chan_map[i].lo && freq_MHz <= chan_map[i].hi)
         {
-            chan = CHANNEL_BASE + chan_map[i].chan_offset;
+            int channel_base = priv->channel_base;
+            chan = channel_base + chan_map[i].chan_offset;
         }
     }
 

rigs/barrett/barrett.c

@@ -260,6 +260,7 @@ int barrett_get_freq(RIG *rig, vfo_t vfo, freq_t *freq)
 }
 
 
+// TC command does not work on 4050 -- not implemented as of 2022-01-12
 /*
  * barrett_set_freq
  * assumes rig!=NULL, rig->state.priv!=NULL

rigs/barrett/barrett.h

@@ -28,7 +28,7 @@
 #include <sys/time.h>
 #endif
 
-#define BACKEND_VER "20220109"
+#define BACKEND_VER "20220112"
 
 #define EOM "\x0d"
 #define TRUE 1
@@ -46,8 +46,9 @@ extern const struct rig_caps barrett4050_caps;
 
 struct barrett_priv_data {
     char cmd_str[BARRETT_DATA_LEN];       /* command string buffer */
-    char ret_data[BARRETT_RET_LEN];      /* returned data--max value, most are less */
+    char ret_data[BARRETT_RET_LEN];       /* returned data--max value, most are less */
     char split;                           /* split on/off */
+    int channel_base;                     /* base channel for 0-9 10-channel assignment if needed */
 };
 
 extern int barrett_transaction(RIG *rig, char *cmd, int expected, char **result);
@@ -55,7 +56,7 @@ extern int barrett_transaction(RIG *rig, char *cmd, int expected, char **result)
 extern int barrett_init(RIG *rig);
 extern int barrett_cleanup(RIG *rig);
 extern int barrett_open(RIG *rig);
-extern int barrett_set_freq(RIG *rig, vfo_t vfo, freq_t freq);
+extern int barrett950_set_freq(RIG *rig, vfo_t vfo, freq_t freq);
 extern int barrett_get_freq(RIG *rig, vfo_t vfo, freq_t *freq);
 extern int barrett_set_mode(RIG *rig, vfo_t vfo, rmode_t mode, pbwidth_t width);
 extern int barrett_get_mode(RIG *rig, vfo_t vfo, rmode_t *mode,