the deviceFilename variable is not updated, hence a blank port is being opened
metatype issue: because of void onStatus(uint16_t status);
(Make sure 'uint16_t' is registered using qRegisterMetaType().)
QObject::connect: Cannot queue arguments of type 'uint16_t'
(Make sure 'uint16_t' is registered using qRegisterMetaType().)
Fixes 2 issues in the csafe rower..