--- a/cmu200/Makefile	Sun May 21 07:01:53 2017 +0000
+++ b/cmu200/Makefile	Sun May 21 07:21:17 2017 +0000
@@ -4,7 +4,7 @@
 INSTBIN=/opt/freecalypso/bin
 
 CMU200D_OBJS=	band.o dispatch.o init.o main.o mode.o openport.o sercmd.o \
-		session.o socket.o
+		session.o signalgen.o socket.o
 
 SERSCPI_OBJS=	openport.o sertool.o
 

--- a/cmu200/dispatch.c	Sun May 21 07:01:53 2017 +0000
+++ b/cmu200/dispatch.c	Sun May 21 07:21:17 2017 +0000
@@ -10,6 +10,8 @@
 extern char *client_cmd_fields[];
 extern int client_cmd_nfields;
 
+extern int cmd_signal_gen_setup();
+
 cmd_ping()
 {
 	send_socket_response("+Pong\n");
@@ -21,6 +23,7 @@
 	int	(*handler)();
 } cmdtab[] = {
 	{"ping", cmd_ping},
+	{"signal-gen-setup", cmd_signal_gen_setup},
 	{0, 0}
 };
 

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cmu200/signalgen.c	Sun May 21 07:21:17 2017 +0000
@@ -0,0 +1,38 @@
+/*
+ * This module implements the signal generator functionality.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include "mode.h"
+#include "secaddr.h"
+
+extern char *client_cmd_fields[];
+extern int client_cmd_nfields;
+
+extern int current_mode;
+
+cmd_signal_gen_setup()
+{
+	int rc;
+	char cmdstr[32];
+
+	if (client_cmd_nfields != 2) {
+		send_socket_response("-Wrong number of arguments\n");
+		return(0);
+	}
+	stop_signal_gen();
+	current_mode = OP_MODE_UNDEF;
+	rc = find_named_band(client_cmd_fields[1]);
+	if (rc < 0) {
+		send_socket_response("-Invalid band argument\n");
+		return(0);
+	}
+	sprintf(cmdstr, "*SEC %d\n", SECADDR_RF_NSIG);
+	send_scpi_cmd(cmdstr);
+	current_mode = OP_MODE_SIGNAL_GEN;
+	send_socket_response("+OK\n");
+	return(0);
+}