ZeissCAN: Skip peripheral detection upon communication error.
ZeissCAN: Skip peripheral detection upon communication error.

As stated in a comment, this avoids waiting for a large number of serial receive timeouts when only an MCU 28 is connected.

git-svn-id: 03a8048b5ee8463be5048a3801110fb50f378627@12289 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd

kmdouglass/Micro-Manager,kmdouglass/Micro-Manager