mmtty: allow enabling LF with --send-lf

test/mmtty.c

@@ -42,6 +42,7 @@ static gchar    *device_str;
 static gboolean  no_flash_flag;
 static gboolean  no_echo_removal_flag;
 static gint64    send_delay = -1;
+static gboolean  send_lf_flag;
 static gboolean  verbose_flag;
 static gboolean  version_flag;
 
@@ -62,6 +63,10 @@ static GOptionEntry main_entries[] = {
       "Send delay for each byte in microseconds (default=1000)",
       "[DELAY]"
     },
+    { "send-lf", 0, 0, G_OPTION_ARG_NONE, &send_lf_flag,
+      "Send <CR><LF> (default <CR> only)",
+      NULL
+    },
     { "verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose_flag,
       "Run action with verbose logs",
       NULL
@@ -212,6 +217,12 @@ start_cb (void)
         g_object_set (port, MM_PORT_SERIAL_AT_REMOVE_ECHO, FALSE, NULL);
     }
 
+    /* Setup LF */
+    if (send_lf_flag) {
+        g_print ("enabling LF...\n");
+        g_object_set (port, MM_PORT_SERIAL_AT_SEND_LF, TRUE, NULL);
+    }
+
     /* Set common response parser */
     mm_port_serial_at_set_response_parser (MM_PORT_SERIAL_AT (port),
                                            mm_serial_parser_v1_parse,