hi Questiion about Eudyptula Challenge Task 05

[Jeshwanth Kumar N K]

Hi Sudip,

If you have any doubt please ask little only, he will reply for sure.
Better not to ask questions in public mailing list.

Thanks

On Tue, Sep 9, 2014 at 5:46 PM, Sudip Mukherjee <sudipm.mukherjee at gmail.com>
wrote:

> hi,
> sorry i cant help you with this. the rules of the challenge says "you
> really should be doing your own work" .
> i can only say you that I have taken almost one month for this one . I
> am currently at task 18 and i still think this one was the toughest of
> all the tasks til now. but after  finishing it you will surely say
> "s**** its this easy .. " .. well .. atleast i said .. :)
>
> thanks
> sudip
>
>
>
> On Tue, Sep 9, 2014 at 5:45 PM, lx <lxlenovostar at gmail.com> wrote:
> > hi :
> >     I'm confused about Eudyptula Challenge Task 05. Actually, I try two
> > ways.
> > 1. I register a usb driver, but Eudyptula Challange don't think so.
> > ##############################################
> >
> >    #include <linux/module.h>
> >    #include <linux/kernel.h>
> >    #include <linux/init.h>
> >    #include <linux/usb.h>
> >    #include <linux/usb/input.h>
> >    #include <linux/hid.h>
> >
> >    MODULE_AUTHOR("author");
> >    MODULE_DESCRIPTION("lx module\n");
> >    MODULE_LICENSE("GPL");
> >
> >    static struct usb_device_id lx_id_table[] = {
> >           { USB_INTERFACE_INFO(USB_INTERFACE_CLASS_HID,
> >      USB_INTERFACE_SUBCLASS_BOOT,
> >      USB_INTERFACE_PROTOCOL_KEYBOARD) },
> >                                       { } /*  Terminating entry */
> >    };
> >
> >    MODULE_DEVICE_TABLE(usb, lx_id_table);
> >
> >    static int lx_probe(struct usb_interface  *interface,
> >                                       const struct  usb_device_id *id)
> >    {
> >           pr_debug("LxModule: USB keyboard probe  function called\n");
> >           return 0;
> >    }
> >
> >    static void lx_disconnect(struct usb_interface  *interface)
> >    {
> >           pr_debug("LxModule: USB keyboard  disconnect function
> called\n");
> >    }
> >
> >    static struct usb_driver lx_driver = {
> >                   .name =     "lx_driver",
> >                   .probe =    lx_probe,
> >                   .disconnect =   lx_disconnect,
> >                   .id_table = lx_id_table
> >                   };
> >
> > ################################################
> >
> > But the Eudyptula Challenge receiving message is:
> > ###############################################
> > *
> > This structure is not needed.*
> >
> > ##############################################
> >
> >
> >
> > 2.   I use the udev rule, I create a hello.sh in /lib/udev with:
> > ##########################################################
> > sudo -H gedit /lib/udev/hello.sh
> > ##########################################################
> >
> > And the contents is:
> > ##########################################################
> > #!/bin/bash
> >
> > sudo -H insmod /opt/task_01.ko
> > ##########################################################
> > This command let module of task_01 run.
> >
> > Save the file,close it and make it executable with:
> > ##########################################################
> > chmod +x /lib/udev/hello.sh
> > ##########################################################
> >
> > Add a new rule in my /etc/udev/rules.d/01-my-first-udev.rules file like
> > this:
> > #########################################################
> > ACTION=="add", RUN+="/lib/udev/hello.sh"
> > ##########################################################
> >
> >
> > But the Eudyptula Challenge receiving message is:
> > ################################
> >
> > No new udev rule is needed.
> > #########################################
> >
> > So, which basics I should read and understand ?
> > Thank you.
>
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-- 
Regards
Jeshwanth Kumar N K
Bangalore, India
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