use Data::Dump

diff --git a/lib/RFID/Serial/CPRM02.pm b/lib/RFID/Serial/CPRM02.pm
index 0e33268..8da6fc7 100644 (file)
--- a/lib/RFID/Serial/CPRM02.pm
+++ b/lib/RFID/Serial/CPRM02.pm
@@ -4,6 +4,7 @@ use base 'RFID::Serial';
 use RFID::Serial;
 
 use Time::HiRes;
+use Data::Dump qw(dump);
 
 sub serial_settings {{
        device    => "/dev/ttyUSB0",