The Digispark > Digispark (Original) Support

Retina MBP Issues

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digistump:
Is this true on all USB ports? Very strange...

buffington:
Using the 27\" Cinema Display\'s hub, I see no issues of inactivity. Nor do I see any issues with any other hubs (a cheap, USB 2.0 no name 4 port powered hub, and the built in ports on a 24\" Dell LCD monitor).

One thing I just noticed was that I only see the unresponsive track pad when uploading a program that\'s different than that of the one already on the Digispark.

I tested this by adjusting a single delay value within the DigisparkRGB example. Uploaded it once, saw the delay (since it was replacing a different program), then tried to get the delay 10 more times by uploading again. No trackpad problems.

Then I changed the delay (which in itself I doubt is relevant, but it\'s a hard coded value). After uploading, I saw the trackpad problem. I left it the same and uploaded again. No problem. Changed it to a new value - saw the trackpad problem.

Of the 10 times I changed values, I saw trackpad problems each time.

buffington:
After a few tries here I\'ve not seen any issues with the trackpad when using any other port aside from one of the two on the machine.

digistump:
Thanks for the analysis!

Something with the Digispark upload is obviously clashing with the trackpad communication when they are on the same controller.

saperlot:
Hello,
It\'s not related to just retina MBP\'s. I have the latest 13\' MBP and here it\'s the same issue. i think all USB devices freezes each minute until a restart after i try to upload with the direct usb connection. But it also worked well with a USB Hub.

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