Was this ever resolved? I have the same issue, that the DIO data
registers dont reflect any change in input state.
--- In "gpimentel074" <> wrote:
>
> --- In "Fred" <frice@> wrote:
> >
> > --- In "gpimentel074" <gpimentel074@> wrote:
> >
> > > Meanwhile i have analysed the ts-7370 schematic
> > > and i noticed that DIO12, DIO13, DIO14, DIO15
> > > pins are directly plug on the processor pins,
> > > not having any latch between... I will see the
> > > pullup resister that you told me.
> >
> > That's what it sounds more and more is the problem.
> >
> > > Can you give maybe the link of user manual that
> > > you told me and the page?? I didn't find any
> > > reference to DPIO pullups on my manual, probabily
> > > my is different.
> >
> > I looked at
> >
> > focus.tij.co.jp/jp/lit/ug/sprueq8/sprueq8.pdf
> >
> > And I also did not find anything about the need for
> > pull-up resisters. It should be quick and easy to
> > jumper in a resister to check if that's the problem,
> > though.
> >
>
> Good info, but unfortunately it didn't work.
> I just read the manual that you indicate and tested unfortunately
> didn't work either, it look at the start to be the reason... :(
>
> I performance the test refered on the manual, at first i did the set
> on DIO12 pin as input ( by changing the address 0x8084 00014) and read
> the memory address (0x8084 0004). I gotted 0xDB.
>
> Then i connected ground signal on the pin and i red the memory address
> and had no change on it. Still 0xDB.
>
> So, i disconnect the ground signal and connect to 3,3V and red the
> memory address and had no change on it again. Still 0xDB.
>
> The DMA only "mess" with output pin setting so to speak, not with
> input so it says on the manual...
>
> My board is TS-7370 with EP9302 arm processor...
>
> 0x80804 0014 -> PBDDR address
> 0x80804 0004 -> PBDR address
>
> I have used the simple functions to read and write the memory values
>
> example:
>
> (Check all pin are inputs.. 0 - Inputs)
> >peek16 0x80840014
> 0x00
>
> >peek16 0x80840004
> 0xDB
>
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