Thank you Joe. I will implement it.
--- In m..., Joe Radomski wrote:
>
> any interrupt bits that were set prior to the "reset" remain untouched so if
you enable global interrupts it will jump to FFFF if an interrupt routine is no
longer there..
>
> not having a vector is BAD practice.. you should make a spurious interrupt
handler and point all non used interrupts to this routine so you can determine
the soource of the trouble.
>
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>
> --- On Tue, 10/27/09, crandel_z wrote:
>
>
> From: crandel_z
> Subject: [msp430] Re: How to do a real reset ?
> To: m...
> Date: Tuesday, October 27, 2009, 9:44 AM
>
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> I think I understood the problem.
>
> When I re-enable the interrupts are not jumping to old addresses. The not used
interrupts (in the new firmware) are jumping to 0xFFFF.
>
> Crandel
>
> --- In msp430@yahoogroups. com, Joe Radomski wrote:
> >
> > That should not be.. the vectors are fetched from flash memory... I have
done this myself on several projects and have never had an issue with the
vectors.. if you are vectoring the flash vectors to RAM through a routine that
checks the validity, then thats anotehr issue
> >
> >
> >
> > --- On Tue, 10/27/09, crandel_z wrote:
> >
> >
> > From: crandel_z
> > Subject: [msp430] Re: How to do a real reset ?
> > To: msp430@yahoogroups. com
> > Date: Tuesday, October 27, 2009, 7:56 AM
> >
> >
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> >
> > My problem is that a update the firmware included the interrupt vector.
> > When I do reset. The interrupts keep jumping to the old values, until I
unplug/plug the my card.
> >
> > Crandel
> >
> > --- In msp430@yahoogroups. com, "lslonim2" wrote:
> > >
> > > I'm familiar with the older parts in the line, but I think you are
expecting too much from a reset. The registers are not supposed to be
initialized by a reset. They may come up in a certain way after a powerup, but
it's not guaranteed. They are random.
> > >
> > > Lloyd
> > >
> > > --- In msp430@yahoogroups. com, "crandel_z" wrote:
> > > >
> > > > Hi, I write a program that allow to update the flash program. After that
I need to do a reset.
> > > >
> > > > I try to use watchdog and to call to 0x3100 to do the reset. But they
not do a real reset, they do like a restart. Some registers are not
initialized.
> > > >
> > > > There are another way to do a reset ?
> > > >
> > > > Thanks
> > > >
> > > > Crandel
> > > >
> > > > pd: I use MSP430F2618
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How to do a real reset ?
Started by ●October 27, 2009
