Feed: lowlevel
Post-URL: http://www.lowlevel.cz/log/cats/english/Toradex%20Embedded%20Controller%20with%20Python%20in%20Linux.html
[Toradex][1] is making interesting small boards mainly for embedded
applications. I've got the one called Robin Z510 with Atom Z510 CPU and
Intel Poulsbo chipset. Toradex makes one more thing on the board and it is
their own Toradex Embedded Controller (TEC). It provides some additional
functionality. The TEC is generally an USB HID device. [HID
specification][2] is long and complicated (and it is just a top of the
pyramid) as it is made to describe in very general way, very large group of
USB devices. HID description of the device is defining thru the set of
nested Descriptors the structure of the data you may obtain from the device
or you may want to write to device (e.g. settings). As I am a lowlevel man
this was somewhat over complicated for me. I am used to work with bytes.
Therefore I wrote my own code first in C then in Python to control some of
the functionality in embedded controller.
[1]: http://toradex.com/
[2]: http://www.usb.org/developers/devclass_docs/HID1_11.pdf
URL: http://www.lowlevel.cz/log/cats/english/Toradex%20Embedded%20Controller%20with%20Python%20in%20Linux.html
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