several changes were needed since ReadFromSerial no longer returns an error if receive buffer is empty. Also simplifed GoOnLine - tested with a couple of ShutterA devices with LB-SC controller.
several changes were needed since ReadFromSerial no longer returns an error if receive buffer is empty. Also simplifed GoOnLine - tested with a couple of ShutterA devices with LB-SC controller.


git-svn-id: 03a8048b5ee8463be5048a3801110fb50f378627@5754 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd

kmdouglass/Micro-Manager,kmdouglass/Micro-Manager