muselsl via BLE112 not streaming on Windows 10

Hiya, I’m running on python3.7, 32bit Win10 on a pretty old laptop that doesn’t have a built-in bluetooth receiver so am using a BLE112 dongle and the bgapi backend.

muselsl will happily find the device but when I start a stream it’s timing out almost immediately, looks like its just not getting any data through:

$ muselsl stream -b bgapi --address 00:55:DA:B3:9A:2C c:\users\michael\appdata\local\programs\python\python37-32\lib\site-packages\sklearn\externals\joblib\externals\cloudpickle\cloudpickle.py:47: DeprecationWarning: the imp module is deprecated in favour of importlib; see the module's documentation for alternative uses import imp Connecting to Muse : 00:55:DA:B3:9A:2C... Connected. Streaming... Disconnected.

Seems like a very similar issue to #59 Any advice?

EDIT: managed to get a visualiser to try and view the stream before it disconnects. Showing up as empty traces from -5s to 0s which further implies that it’s not receiving samples at all muselsl view then reports: Stream transmission broke off (Input stream error.); re-connecting...

[mgpritchard]

Thanks for the advice, that does seem to have done the trick! Running now in a miniconda environment with python 3.6.7, and the dependencies from https://github.com/amandakeasson/eeg-notebooks/blob/master/requirements_mac.txt

Now getting data through! The stream does report: missing sample 0 : 65535 but the stream no longer kicks out and is definitely receiving data:

For completeness I should mention that I’ve also implemented the time.sleep(.25) fix referenced in peplin/pygatt/issues/118. I’d already implemented that on Friday when the stream still wasn’t working so it seems to be a wholly separate issue to do with pygatt accessing the COM port, but worth mentioning.

[jdpigeon]

This is awesome. Thanks for figuring this out