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drepetto / chiplotle

Now that's a spicy plotter library
http://chiplotle.org
GNU General Public License v3.0
33 stars 19 forks source link

Send 'IN' command before 'OI' in what_plotter_in_port #3

Closed AlexNisnevich closed 6 years ago

AlexNisnevich commented 6 years ago

This was necessary to get my HP 7475A plotter to be detected – it wouldn't reply to an OI; unless it first received IN;. Not sure how this would affect other plotter models.