On Jul 29, 11:24 am, sen wrote:
> Hello
>
> I am facing a problem in creating a ttyDevice.
>
> My code
>
> #include "vxworks.h"
> #include "ttyDrv.h"
> #include "sioLib.h"
>
> SIO_CHAN *p; //device structure defined in sioLib.h
>
> void task()
>
> {
> ttyDrv(); //initialize
> ttyDevcreate("/ty/0",p,128,128);
>
> }
>
> But everytime I run task in an simulator,I get an exception fault No
> 13.
>
> In the debugger it shows fault in ttyDevCreate()
>
> I am not able to resolve the issue.
>
> help appreciated.

ttyDrv(); is not called before from usrRoot()?? it should be called
once...

SIO_CHAN structure is not allocated in memory (malloced) and not
initialized.

On Aug 3, 3:46*pm, Nabendu wrote:
> On Jul 29, 11:24 am, sen wrote:
>
>
>
>
>
> > Hello
>
> > I am facing a problem in creating a ttyDevice.
>
> > My code
>
> > #include "vxworks.h"
> > #include "ttyDrv.h"
> > #include "sioLib.h"
>
> > SIO_CHAN *p; //device structure defined in sioLib.h
>
> > void task()
>
> > {
> > ttyDrv(); //initialize
> > ttyDevcreate("/ty/0",p,128,128);
>
> > }
>
> > But everytime I run task in an simulator,I get an exception fault No
> > 13.
>
> > In the debugger it shows fault in ttyDevCreate()
>
> > I am not able to resolve the issue.
>
> > help appreciated.
>
> ttyDrv(); *is not called before from usrRoot()?? it should be called
> once...
>
> SIO_CHAN structure is not allocated in memory *(malloced) and not
> initialized.- Hide quoted text -
>
> - Show quoted text -

How to call ttyDrv() from usrRoot()?????
I tried to call usrRoot() from my code, but while downloading to
target server it gives error: error while downloading unresolved
symbol "_usrRoot_FPcUi"
Note: I am using VxSim
Help will be highly appreciated.