I do mknod also end everything is ok, i know that parport is 0x378 on my pc, but now i check better the Rubini's book and after i 'll post my problems. Thanks claudio ----- Original Message ----- From: "amith" <amith@multitech.co.in> To: <devel@cfstudio.it> Sent: Tuesday, April 27, 2004 2:27 AM Subject: Re: parport and char driver > devel@cfstudio.it wrote: > > >Hi, > >i created the module with the basic function, the lkmp also help me, > >end everything work, but now i want to understand how to use > >my leds on parallel port creating a new char driver. > > > >Thanks to all > > > >Claudio Fiorini > > > >-- > >Kernelnewbies: Help each other learn about the Linux kernel. > >Archive: http://mail.nl.linux.org/kernelnewbies/ > >FAQ: http://kernelnewbies.org/faq/ > > > > hi , > now that u r module is working, u would have created a device > file with > mknod /dev/your_dev_file_name c Major Minor > number already. Now in the write function of your module : > you should implement the logic to glow the led's like writing > to the port 0x37A i guess not sure check out Allesandro's > book before doing it, u can search the net too to get info on parallel > port.After you implement it you can wrtie to /dev/led as cat " > hi there" > /dev/led and your led's would glow. > Connect each LED to the (one end) DATA pin and GROUND pin > (other end) . > Hope this helps i have some sample programs at home let me know > if u need it. > > cheers, > Amith > > > > > > > > > > > -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
