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Post subject: Device Driver beginner
 Posted: Mar 27, 2008 - 07:20 AM
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Active Member
Joined: Mar 25, 2008
Posts: 11
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Hi,
I am beginner in device drivers! 
Please help me writing a Network device driver for QNX4, or provide me with doument or document link where I can refer?
Thanks,
Pavan |
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Post subject: RE: Device Driver beginner
Posted: Mar 27, 2008 - 09:49 AM
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QNX Master
Joined: Sep 01, 2002
Posts: 2667
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As I told you in a different post all there is a file Net.fd under /etc/readme/technotes/. ( from memory)
If you are a beginner you are probably going to find this extremely challenging. |
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Post subject: Re: RE: Device Driver beginner
Posted: Mar 27, 2008 - 04:01 PM
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QNX Master
Joined: Jul 11, 2002
Posts: 557
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mario wrote:
As I told you in a different post all there is a file Net.fd under /etc/readme/technotes/. ( from memory)
If you are a beginner you are probably going to find this extremely challenging.
Especially since QNX4 is a 18 year old legacy O/S with only sustaining support (i.e. no new dev support). |
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Post subject: RE: Re: RE: Device Driver beginner
Posted: Mar 27, 2008 - 04:54 PM
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QNX Master
Joined: Sep 01, 2002
Posts: 2667
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| I know of only 2 people ( I heard rumor of a third) that wrote a Net.fd driver. Of course that doesn't mean that more people did it. But that gives you an idea of what you are getting into. |
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Post subject: RE: Re: RE: Device Driver beginner
Posted: Mar 27, 2008 - 06:01 PM
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QNX Master
Joined: Jun 25, 2003
Posts: 974
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Mario,
Was I one of the ones you were thinking of? I did write a Net.fd driver at one time, but I can't even remember what the hardware was. Maybe parallel? Not very practical for the odd reason that the cable had to be custom made, so that the interface was symmetric. In any case, the non-hardware aspects of the driver were close to trivial. Read and Write, and not much else. Still you are write that it would be challenging for a newbie to get it working. |
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Post subject: RE: Re: RE: Device Driver beginner
Posted: Mar 27, 2008 - 08:42 PM
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QNX Master
Joined: Sep 01, 2002
Posts: 2667
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Yes it was you, the other one is me (it was for a wireless network card) and the third one I heard of was some inside a company that did one.
That being said this is not something I'd be willing to help anybody with mainly a newbie, through something like a forum or email... Just pointless |
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Post subject: RE: Re: RE: Device Driver beginner
Posted: Mar 28, 2008 - 04:20 AM
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QNX Master
Joined: Jun 25, 2003
Posts: 974
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| Well, you did point him in the right direction. |
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Post subject: Thanks!
Posted: Mar 28, 2008 - 09:02 AM
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Active Member
Joined: Mar 25, 2008
Posts: 11
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Hi,
Thanks for the Inputs!
I found pci_device_attach() and pci_attach() methods to attach driver to pci device. I guess methos are for QNX6, can you please help me in finding similer methoda for QNX4?
Thanks,
pavan |
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Post subject: RE: Thanks!
Posted: Mar 28, 2008 - 09:33 AM
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QNX Master
Joined: Sep 01, 2002
Posts: 2667
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| Check for functions that start with CI_PCI_... or something like that ( from memory) |
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Post subject: Ethernet driver
Posted: Apr 03, 2008 - 05:15 AM
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Active Member
Joined: Mar 25, 2008
Posts: 11
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Hi,
I looked into Net.fd file, not helped much.
Does any one worked on writing ethernet driver for QNX4. If you have open source link for QNX, please provide me.
Thanks,
Pavan |
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Post subject: RE: Ethernet driver
Posted: Apr 03, 2008 - 06:31 AM
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QNX Master
Joined: Sep 01, 2002
Posts: 2667
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| QNX4 is not open source. The Net.fd file in the readme directory is all you will get. |
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Post subject: Ethernet Driver
Posted: Apr 04, 2008 - 06:57 AM
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Active Member
Joined: Mar 25, 2008
Posts: 11
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Thanks!.
Is it possible to get the sample code for ethernet driver in QNX6.
It will be great If U could help me!
Thanks,
Pavan |
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Post subject: RE: Ethernet Driver
Posted: Apr 04, 2008 - 07:29 AM
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QNX Master
Joined: Jun 25, 2003
Posts: 974
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| You can down load it, but it won't help you with QNX 4. |
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Post subject:
Posted: Apr 04, 2008 - 07:36 AM
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Active Member
Joined: Mar 25, 2008
Posts: 11
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| From where I can download? |
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Post subject:
Posted: Apr 04, 2008 - 09:22 AM
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Active Member
Joined: Mar 25, 2008
Posts: 11
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Do we have <sys/io-net.h> header file compatible with QNX4.
Please help me  |
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