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From: | Jean Louis |
Subject: | Re: the Elisp robot [photo] |
Date: | Wed, 21 Oct 2020 20:48:11 +0300 |
User-agent: | Mutt/+ (1036f0e) (2020-10-18) |
* Emanuel Berg via Users list for the GNU Emacs text editor <help-gnu-emacs@gnu.org> [2020-10-21 17:25]: > Jean Louis wrote: > > > And how does the internal OS communicates with > > robot commands? Are those shell commands or how? > > It comes with files that represent different parts of > the robot. > The Elisp reads and writes to these files. > (defun get-motor-speed (motor) > (file-to-integer (get-motor-speed-file motor) )) Aha you read there from file. > (defun set-motor-speed (motor speed) > (write-to-file-integer (get-motor-speed-file motor) speed) ) You write there. I guess that is something similar as /proc/ file system. It is understandable. Does droid has some non-free blobs or something to run? Where is it available? Jean
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