Parallel Port query

OSR_Community_User · July 19, 2002, 5:49am

Hi,

I have to write a high speed EPP parallel port driver for driving FPGA.

I am writing a driver to hook to parport.sys in Win2K using the NT model.

I need to do READ_PORT and WRITE_PORT for the port.

Do I need to layer over parclass driver…?

Thanks,
-Sanesh Kumar K

OSR_Community_User · July 20, 2002, 8:01am

You have to write a driver (WDM conform) that talks to the parport driver by means of its IOCTL interface. Look at parallel.h in the DDK for details. At its lower edge your driver will behave just like parclass. At its upper edge your driver can export a private interface (Read, Write, Ioctl).

Don’t try to replace or hook any of the system-provided drivers (parport, parclass, etc.). This is bad design.

–
Udo Eberhardt
Thesycon GmbH, Germany
xxxxx@thesycon.de
www.thesycon.de

PS:
You may consider using our UPP product. Everything you need is ready there.
http://www.thesycon.de/upp/eng/upp.htm

-----Original Message-----
From: xxxxx@lists.osr.com
[mailto:xxxxx@lists.osr.com]On Behalf Of Sanesh Kumar k -
CTD, Chennai.
Sent: Friday, July 19, 2002 11:48 AM
To: NT Developers Interest List
Subject: [ntdev] Parallel Port query

Hi,

I have to write a high speed EPP parallel port driver for driving FPGA.

I am writing a driver to hook to parport.sys in Win2K using the NT model.

I need to do READ_PORT and WRITE_PORT for the port.

Do I need to layer over parclass driver…?

Thanks,
-Sanesh Kumar K

You are currently subscribed to ntdev as: xxxxx@thesycon.de
To unsubscribe send a blank email to %%email.unsub%%

OSR_Community_User · July 24, 2002, 7:46am

Hi

thanks for your answers.

In my minimal parclass driver, after getting the controller register using
IOCTL_INTERNAL_GET_PARALLEL_PORT_INFO, i would like to use the controller
register for reading and writing the parallel port using READ_PORT_UCHAR and
WRITE_PORT_UCHAR.

Is it the right way…?

Thanks,
Sanesh Kumar K

-----Original Message-----
From: Udo Eberhardt [mailto:xxxxx@thesycon.de]
Sent: 20 July 2002 5:33 PM
To: NT Developers Interest List
Subject: [ntdev] RE: Parallel Port query

You have to write a driver (WDM conform) that talks to the parport driver by
means of its IOCTL interface. Look at parallel.h in the DDK for details. At
its lower edge your driver will behave just like parclass. At its upper edge
your driver can export a private interface (Read, Write, Ioctl).

Don’t try to replace or hook any of the system-provided drivers (parport,
parclass, etc.). This is bad design.

–
Udo Eberhardt
Thesycon GmbH, Germany
xxxxx@thesycon.de
www.thesycon.de

PS:
You may consider using our UPP product. Everything you need is ready there.
http://www.thesycon.de/upp/eng/upp.htm

-----Original Message-----
From: xxxxx@lists.osr.com
[mailto:xxxxx@lists.osr.com]On Behalf Of Sanesh Kumar k -
CTD, Chennai.
Sent: Friday, July 19, 2002 11:48 AM
To: NT Developers Interest List
Subject: [ntdev] Parallel Port query

Hi,

I have to write a high speed EPP parallel port driver for driving FPGA.

I am writing a driver to hook to parport.sys in Win2K using the NT model.

I need to do READ_PORT and WRITE_PORT for the port.

Do I need to layer over parclass driver…?

Thanks,
-Sanesh Kumar K

You are currently subscribed to ntdev as: xxxxx@thesycon.de
To unsubscribe send a blank email to %%email.unsub%%

You are currently subscribed to ntdev as: xxxxx@ctd.hcltech.com
To unsubscribe send a blank email to %%email.unsub%%

OSR_Community_User · July 24, 2002, 8:48am

Yes, this is the right way. Once the parclass driver allocated the ports and knows about the port addresses it accesses the registers directly by means of READ_PORT_UCHAR and WRITE_PORT_UCHAR.

–
Udo Eberhardt
Thesycon GmbH, Germany
xxxxx@thesycon.de
www.thesycon.de

-----Original Message-----
From: xxxxx@lists.osr.com
[mailto:xxxxx@lists.osr.com]On Behalf Of Sanesh Kumar k -
CTD, Chennai.
Sent: Wednesday, July 24, 2002 1:45 PM
To: NT Developers Interest List
Cc: xxxxx@thesycon.de
Subject: [ntdev] RE: Parallel Port query

Hi

thanks for your answers.

In my minimal parclass driver, after getting the controller register using
IOCTL_INTERNAL_GET_PARALLEL_PORT_INFO, i would like to use the controller
register for reading and writing the parallel port using
READ_PORT_UCHAR and
WRITE_PORT_UCHAR.

Is it the right way…?

Thanks,
Sanesh Kumar K

-----Original Message-----
From: Udo Eberhardt [mailto:xxxxx@thesycon.de]
Sent: 20 July 2002 5:33 PM
To: NT Developers Interest List
Subject: [ntdev] RE: Parallel Port query

You have to write a driver (WDM conform) that talks to the
parport driver by
means of its IOCTL interface. Look at parallel.h in the DDK for
details. At
its lower edge your driver will behave just like parclass. At its
upper edge
your driver can export a private interface (Read, Write, Ioctl).

Don’t try to replace or hook any of the system-provided drivers (parport,
parclass, etc.). This is bad design.

–
Udo Eberhardt
Thesycon GmbH, Germany
xxxxx@thesycon.de
www.thesycon.de

PS:
You may consider using our UPP product. Everything you need is
ready there.
http://www.thesycon.de/upp/eng/upp.htm

> -----Original Message-----
> From: xxxxx@lists.osr.com
> [mailto:xxxxx@lists.osr.com]On Behalf Of Sanesh Kumar k -
> CTD, Chennai.
> Sent: Friday, July 19, 2002 11:48 AM
> To: NT Developers Interest List
> Subject: [ntdev] Parallel Port query
>
>
> Hi,
>
> I have to write a high speed EPP parallel port driver for driving FPGA.
>
> I am writing a driver to hook to parport.sys in Win2K using the
NT model.
>
> I need to do READ_PORT and WRITE_PORT for the port.
>
> Do I need to layer over parclass driver…?
>
>
>
> Thanks,
> -Sanesh Kumar K
>
>
> —
> You are currently subscribed to ntdev as: xxxxx@thesycon.de
> To unsubscribe send a blank email to %%email.unsub%%
>
>

You are currently subscribed to ntdev as: xxxxx@ctd.hcltech.com
To unsubscribe send a blank email to %%email.unsub%%

You are currently subscribed to ntdev as: xxxxx@thesycon.de
To unsubscribe send a blank email to %%email.unsub%%

OSR_Community_User · July 29, 2002, 11:24am

Hi,

I have one more doubt.

After writing a minimal parallel class driver (without bus driver
functionality), how do install it over par port driver ? Do I need to go for
‘NT style’, IoGetDeviceObjectPointer() to par port driver object…?

Please help me by giving some pointers.

Thanks,
Sanesh Kumar K

-----Original Message-----
From: Udo Eberhardt [mailto:xxxxx@thesycon.de]
Sent: 24 July 2002 6:19 PM
To: NT Developers Interest List
Subject: [ntdev] RE: Parallel Port query

Yes, this is the right way. Once the parclass driver allocated the ports and
knows about the port addresses it accesses the registers directly by means
of READ_PORT_UCHAR and WRITE_PORT_UCHAR.

–
Udo Eberhardt
Thesycon GmbH, Germany
xxxxx@thesycon.de
www.thesycon.de

-----Original Message-----
From: xxxxx@lists.osr.com
[mailto:xxxxx@lists.osr.com]On Behalf Of Sanesh Kumar k -
CTD, Chennai.
Sent: Wednesday, July 24, 2002 1:45 PM
To: NT Developers Interest List
Cc: xxxxx@thesycon.de
Subject: [ntdev] RE: Parallel Port query

Hi

thanks for your answers.

In my minimal parclass driver, after getting the controller register using
IOCTL_INTERNAL_GET_PARALLEL_PORT_INFO, i would like to use the controller
register for reading and writing the parallel port using
READ_PORT_UCHAR and
WRITE_PORT_UCHAR.

Is it the right way…?

Thanks,
Sanesh Kumar K

-----Original Message-----
From: Udo Eberhardt [mailto:xxxxx@thesycon.de]
Sent: 20 July 2002 5:33 PM
To: NT Developers Interest List
Subject: [ntdev] RE: Parallel Port query

You have to write a driver (WDM conform) that talks to the
parport driver by
means of its IOCTL interface. Look at parallel.h in the DDK for
details. At
its lower edge your driver will behave just like parclass. At its
upper edge
your driver can export a private interface (Read, Write, Ioctl).

Don’t try to replace or hook any of the system-provided drivers (parport,
parclass, etc.). This is bad design.

–
Udo Eberhardt
Thesycon GmbH, Germany
xxxxx@thesycon.de
www.thesycon.de

PS:
You may consider using our UPP product. Everything you need is
ready there.
http://www.thesycon.de/upp/eng/upp.htm

> -----Original Message-----
> From: xxxxx@lists.osr.com
> [mailto:xxxxx@lists.osr.com]On Behalf Of Sanesh Kumar k -
> CTD, Chennai.
> Sent: Friday, July 19, 2002 11:48 AM
> To: NT Developers Interest List
> Subject: [ntdev] Parallel Port query
>
>
> Hi,
>
> I have to write a high speed EPP parallel port driver for driving FPGA.
>
> I am writing a driver to hook to parport.sys in Win2K using the
NT model.
>
> I need to do READ_PORT and WRITE_PORT for the port.
>
> Do I need to layer over parclass driver…?
>
>
>
> Thanks,
> -Sanesh Kumar K
>
>
> —
> You are currently subscribed to ntdev as: xxxxx@thesycon.de
> To unsubscribe send a blank email to %%email.unsub%%
>
>

You are currently subscribed to ntdev as: xxxxx@ctd.hcltech.com
To unsubscribe send a blank email to %%email.unsub%%

You are currently subscribed to ntdev as: xxxxx@thesycon.de
To unsubscribe send a blank email to %%email.unsub%%

You are currently subscribed to ntdev as: xxxxx@ctd.hcltech.com
To unsubscribe send a blank email to %%email.unsub%%

OSR_Community_User · July 29, 2002, 12:44pm

Using IoGetDeviceObjectPointer() to open the parport device object is the right way. It will work on NT4, W2K, and XP.

–
Udo Eberhardt
Thesycon GmbH, Germany
xxxxx@thesycon.de
www.thesycon.de

-----Original Message-----
From: xxxxx@lists.osr.com
[mailto:xxxxx@lists.osr.com]On Behalf Of Sanesh Kumar k -
CTD, Chennai.
Sent: Monday, July 29, 2002 2:35 PM
To: NT Developers Interest List
Cc: xxxxx@thesycon.de
Subject: [ntdev] RE: Parallel Port query

Hi,

I have one more doubt.

After writing a minimal parallel class driver (without bus driver
functionality), how do install it over par port driver ? Do I
need to go for
‘NT style’, IoGetDeviceObjectPointer() to par port driver object…?

Please help me by giving some pointers.

Thanks,
Sanesh Kumar K

-----Original Message-----
From: Udo Eberhardt [mailto:xxxxx@thesycon.de]
Sent: 24 July 2002 6:19 PM
To: NT Developers Interest List
Subject: [ntdev] RE: Parallel Port query

Yes, this is the right way. Once the parclass driver allocated
the ports and
knows about the port addresses it accesses the registers directly by means
of READ_PORT_UCHAR and WRITE_PORT_UCHAR.

–
Udo Eberhardt
Thesycon GmbH, Germany
xxxxx@thesycon.de
www.thesycon.de

> -----Original Message-----
> From: xxxxx@lists.osr.com
> [mailto:xxxxx@lists.osr.com]On Behalf Of Sanesh Kumar k -
> CTD, Chennai.
> Sent: Wednesday, July 24, 2002 1:45 PM
> To: NT Developers Interest List
> Cc: xxxxx@thesycon.de
> Subject: [ntdev] RE: Parallel Port query
>
>
>
> Hi
>
> thanks for your answers.
>
> In my minimal parclass driver, after getting the controller
register using
> IOCTL_INTERNAL_GET_PARALLEL_PORT_INFO, i would like to use the
controller
> register for reading and writing the parallel port using
> READ_PORT_UCHAR and
> WRITE_PORT_UCHAR.
>
> Is it the right way…?
>
> Thanks,
> Sanesh Kumar K
>
> -----Original Message-----
> From: Udo Eberhardt [mailto:xxxxx@thesycon.de]
> Sent: 20 July 2002 5:33 PM
> To: NT Developers Interest List
> Subject: [ntdev] RE: Parallel Port query
>
>
> You have to write a driver (WDM conform) that talks to the
> parport driver by
> means of its IOCTL interface. Look at parallel.h in the DDK for
> details. At
> its lower edge your driver will behave just like parclass. At its
> upper edge
> your driver can export a private interface (Read, Write, Ioctl).
>
> Don’t try to replace or hook any of the system-provided drivers
(parport,
> parclass, etc.). This is bad design.
>
> –
> Udo Eberhardt
> Thesycon GmbH, Germany
> xxxxx@thesycon.de
> www.thesycon.de
>
>
> PS:
> You may consider using our UPP product. Everything you need is
> ready there.
> http://www.thesycon.de/upp/eng/upp.htm
>
>
> > -----Original Message-----
> > From: xxxxx@lists.osr.com
> > [mailto:xxxxx@lists.osr.com]On Behalf Of Sanesh Kumar k -
> > CTD, Chennai.
> > Sent: Friday, July 19, 2002 11:48 AM
> > To: NT Developers Interest List
> > Subject: [ntdev] Parallel Port query
> >
> >
> > Hi,
> >
> > I have to write a high speed EPP parallel port driver for
driving FPGA.
> >
> > I am writing a driver to hook to parport.sys in Win2K using the
> NT model.
> >
> > I need to do READ_PORT and WRITE_PORT for the port.
> >
> > Do I need to layer over parclass driver…?
> >
> >
> >
> > Thanks,
> > -Sanesh Kumar K
> >
> >
> > —
> > You are currently subscribed to ntdev as: xxxxx@thesycon.de
> > To unsubscribe send a blank email to %%email.unsub%%
> >
> >
>
>
>
> —
> You are currently subscribed to ntdev as: xxxxx@ctd.hcltech.com
> To unsubscribe send a blank email to %%email.unsub%%
>
>
> —
> You are currently subscribed to ntdev as: xxxxx@thesycon.de
> To unsubscribe send a blank email to %%email.unsub%%
>
>

You are currently subscribed to ntdev as: xxxxx@ctd.hcltech.com
To unsubscribe send a blank email to %%email.unsub%%

You are currently subscribed to ntdev as: xxxxx@thesycon.de
To unsubscribe send a blank email to %%email.unsub%%