multiple devices on a Thorlabs BSC203 won't home correctly

[MikeC4096]

The code in kinesis.py for _home is wrong for multiple channel ("rack") controllers. self.send_comm(0x0443,self._make_channel(channel),dest=("channel",channel)) should be self.send_comm(0x0443,1,dest=("channel",channel))

and the channel argument needs to be passed to _is_homed or devices > 1 will never home if device 1 is already homed.

[AlexShkarin]

Thanks for pointing out the _is_homed error!

Regarding the wrong self.send_comm argument: as far as I can see, self._make_channel(channel) should return 1 if the device is set up as a rack system (i.e., is_rack_system=True is supplied upon creation). Is that the case in your code?

[MikeC4096]

Hmm, you're right; _make_channel should already return 1 if is_rack_system=True and I was setting it like that. Maybe my entire problem was due to is_homed not getting the channel argument, but I didn't think this was the case; I'll check again.