formatting

diff --git a/main.c b/main.c
index e652d02e6f305725dd18501fbef009d9c8985235..6b2b42540b397d155d363d7124f64cbf340c5736 100644 (file)
--- a/main.c
+++ b/main.c
@@ -16,9 +16,11 @@
 
 #include "uFCoder.h"
 
-#define READER_TYPE    1 //uFR type (1Mbps)
-#define PORT_NAME      "/dev/ttyUSB0"
-#define PORT_INTERFACE 1 //Serial
+#define READER_TYPE    1              //uFR type (1Mbps)
+#ifndef PORT_NAME
+#define PORT_NAME      "/dev/ttyUSB0" //"" for auto
+#endif
+#define PORT_INTERFACE 1              //Serial
 
 #define JSON_NUM(NAME) printf("\"" #NAME "\": %d", NAME)
 #define JSON_STR(NAME) printf("\"" #NAME "\": \"%s\"", NAME)
@@ -30,8 +32,8 @@ static int run = 1;
 
 static void signal_exit(int sig)
 {
-    fprintf(stderr, "signal %d\n", sig);
     run = 0;
+    fprintf(stderr, "signal %d, terminating\n", sig);
 }
 
 static void *read_cards(void *ptr)