Re: ISR not being invoked though the interrupt is occ uring

Try changing the imagepath of the serial driver in the registry to point to
your driver.

Regards,
Chakradhar
----- Original Message -----
From: “Reema Sidhwani , Gurgaon”
To: “NT Developers Interest List”
Sent: Friday, June 15, 2001 1:55 PM
Subject: [ntdev] Re: ISR not being invoked though the interrupt is occ uring

> well actually i have tried that also… but the IoAssignResources is
unable
> to claim the resources for my driver.
> I have also disabled the system serial driver from control panel … but
the
> problem persists.
>
>
> > ----------
> > From: Bharat Kumar Kotha[SMTP:xxxxx@wipro.com]
> > Reply To: NT Developers Interest List
> > Sent: Friday, June 15, 2001 12:53 PM
> > To: NT Developers Interest List
> > Subject: [ntdev] Re: ISR not being invoked though the interrupt is
> > occuring
> >
> > Serial port resource is not sharable… To make use of serial port, need
> > to
> > claim resources (address space and irq)… Try to check any other driver
> > might have already claimed Serial port resource… Possibly System
serial
> > port driver… If so try to disable it and try your driver…
> >
> > > Hi ,
> > >
> > > > I have just started writing device drivers … and have started of
with
> > > > wrting an external Loop back driver for Serial port.
> > > >
> > > > Well all is working fine except , that my ISR is not getting
invoked.
> > > >
> > > > i have registered for the Data Recieved/Available interrupt.
> > > >
> > > > Then i write to the serial port, and due to the external shorting of
> > Pin2
> > > > and Pin3 the data is received on the read pin, which should trigger
> > the
> > > > Interrupt.
> > > >
> > > > Now the Interrupt is getting triggered(i can get it from the value
of
> > the
> > > > IIR) but my ISR is not invoked.
> > > >
> > > > Also i am not able to Assign Resources to my Driver.
> > > >
> > > >
> > > Thanks
> > >
> > >
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