oprava pri volani jako funkce

diff --git a/bash/serial_loopback_test.sh b/bash/serial_loopback_test.sh
index cd28b82e47ac9fb07fe59488df0096cadd8e5ee2..0b16fe7fa690ee93261288543a64b6f16c6f3455 100755 (executable)
--- a/bash/serial_loopback_test.sh
+++ b/bash/serial_loopback_test.sh
@@ -7,6 +7,8 @@
 
 function serial_loopback_test() {
 
+unset port_tx
+unset port_rx
 trylimit=0
 seconds=0
 baudrate=115200