Greg, On Feb 25, 2014, at 8:47 PM, Greg KH <greg@xxxxxxxxx> wrote: > ... > So you want to do this as a userspace library talking directly to the > USB device through usbfs/libusb? Or should the kernel provide a basic > "pipe-like" functionality to the hardware to make it easier for things > to be queued up to the device? libusb is enough. > Is there a pointer to the spec somewhere so that I can see what is > needed here? http://www.usb.org/developers/devclass_docs >>> Second, >>> I want to suggest this as a Google Summer of Code project, asking for >>> mentors on the kernel side. Mentoring Organization will be the Linux >>> Foundation, hosting projects for both OpenPrinting and the kernel. >> >> This will make an excellent SoC project, but you'll need someone >> familiar with Avahi, libusb, HTTP, systemd, and general networking for >> this. This isn't a kernel project. > > That's a non-trivial set of experience to try to find, good luck :) Agreed. > And why systemd? What is needed from it for this? Just for the launch-on-demand functionality. Not absolutely required, but it helps to minimize the overall "weight" of the OS when you aren't printing constantly... _________________________________________________________ Michael Sweet, Senior Printing System Engineer, PWG Chair
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