Add new semi-colon separated hex values for send_raw icom

https://github.com/Hamlib/Hamlib/issues/1632

NEWS

@@ -13,6 +13,7 @@ Version 5.x -- future
         * Change FT1000MP Mark V model names to align with FT1000MP
 
 Version 4.6
+	* send_raw can now take hex digits as colon-seperated -- e.g. send_raw icom xfe:xfe:x94:xe0:03:xfd
 	* Add IC7760
         * IC7300 Mode filter can now be set by # (i.e. 1,2,3) 
         * Fixed AF6SA WRC rotor controller

doc/man1/rigctl.1

@@ -1398,13 +1398,26 @@ Returns current lock mode status 1=On, 2=Off (only useful when using rigctld)
 .TP
 .BR send_raw " \(aq" \fITerminator\fP "\(aq \(aq" \fIString\fP \(aq
 .EX
-Can send ASCII string or 0xnn values -- there can be no spaces in the command string.
+Can send ASCII string or 0xnn values or xnn values -- there can be no spaces in the command string.
 Possible terminator values are CR, LF, ;, ICOM, 0-100 (bytes to read), or -1 meaning unknown (will timeout on read)
-Examples:
-  send_raw ; FA;MD;
+Examples (note that a ; must be escaped in Unix/Linux):
+For Windows & Unix/Linux we have a new colon-separated format for hex digits
+  send_raw icom 0xFE:0xFE:0x94:0x03:0xFD Note: colon-separated does not have to be escaped on Unix/Linux
+  send_raw -1 0xFE:0xFE:0x94:0x03:0xFD
+  send_raw 14 0xFE:0xFE:0x94:0x03:0xFD
+  Note that ASCII commands still require escaping the semicolon on Unix/Linux
+  send_raw \; FA\;MD\;
+  
+For Windows:
   send_raw icom 0xFE;0xFE;0x94;0x03;0xFD
   send_raw -1 0xFE;0xFE;0x94;0x03;0xFD
   send_raw 14 0xFE;0xFE;0x94;0x03;0xFD
+
+  For Unix/Linux
+  send_raw icom 0xFE\;0xFE\;0x94\;0x03\;0xFD
+  send_raw \; FA\;MD\;
+  send_raw -1 0xFE\;0xFE\;0x94\;0x03\;0xFD
+  send_raw 14 0xFE\;0xFE\;0x94\;0x03\;0xFD
 .
 .TP
 .BR client_version " \(aq" \fIString\fP "\(aq

tests/rigctl_parse.c

@@ -5793,14 +5793,26 @@ static int parse_hex(const char *s, unsigned char *buf, int len)
     int i = 0;
     buf[0] = 0;
     char *s2 = strdup(s);
-    char *p = strtok(s2, ";");
+    char *p = strtok(s2, ";:");
 
     while (p)
     {
         unsigned int val;
-        sscanf(p, "0x%x", &val);
+        int n;
+
+        if ((n = sscanf(p, "0x%2x", &val)) != 1)
+        {
+            n = sscanf(p, "x%2x", &val);
+        }
+
+        if (n == 0)
+        {
+            rig_debug(RIG_DEBUG_ERR, "%s: unable to parse 0x??; or x??; from '%s'\n",
+                      __func__, s);
+        }
+
         buf[i++] = val;
-        p = strtok(NULL, ";");
+        p = strtok(NULL, ";:");
     }
 
     free(s2);
@@ -5863,7 +5875,7 @@ declare_proto_rig(send_raw)
         return -RIG_EINVAL;
     }
 
-    if (strncmp(arg2, "0x", 2) == 0)
+    if (strncmp(arg2, "0x", 2)  == 0 || arg2[0] == 'x')
     {
         arg2_len = parse_hex(arg2, send, sizeof(send));
         sendp = send;