Connection string or SyncServerSpec.
Valid connection strings:
usb
net
or network
serial:/dev/ttyXXX
(serial:COMn
on Windows)serial:/dev/ttyXXX:19200
to specify max baud rateserial:net
or serial:network
for serial-over-network (POSE and
other emulators)serial:web
or serial:web-serial
for Web SerialSync function to run for new connections.
Additional options for the sync connection.
Create a sync server from a connection string or SyncServerSpec.