Well, the voltages seem to be ok.

I can turn on all the keys by shorting the physical pins one by one in the
flat cable and they will read in HAL with different codes through my
component. What I don't know is if the codes are showing right because I
don't understand well the way they are created reading the 7i73 manual.

The only problem seems to be the communication with the matrix_kb component
and I suspect there's something about that key showing up active at
startup. I guess I could make my own component and read the codes and solve
the problem but it creeps me out a little bit not knowing what's causing
the strange behavior. By the way, with my component there's also a key
showing up like pressed at startup but it dissapears once I press another
key.

El mié., 6 may. 2020 a las 11:04, Peter C. Wallace (<p...@mesanet.com>)
escribió:

> On Wed, 6 May 2020, Leonardo Marsaglia wrote:
>
> > Date: Wed, 6 May 2020 10:53:07 -0300
> > From: Leonardo Marsaglia <ldmarsag...@gmail.com>
> > Reply-To: "Enhanced Machine Controller (EMC)"
> >     <emc-users@lists.sourceforge.net>
> > To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net
> >
> > Subject: Re: [Emc-users] Mesa 7i73 keypad question/issue
> >
> > Well, with the test component I made to show the codes I can see the
> codes
> >varying from 192 thru 240 or something like that. I find strange anyway
> that at
> >startup I have a code being shown just like if a key is pressed but
> without
> >connecting the cable to the 7i73.
> >
> >I'm doubting about flashing the board or not to see if something changes.
> I
> >now I have the latest firmware but, could It be corrupted or something?
>
> Its not likely that flashing would make any difference
>
> It might be that an I/O pin has been damaged somehow
>
> you might verify (with a voltmeter) that all the KB input pins
> are high when idle (KEY 8..15 should be high when unconnected)
>
>
> El miяя., 6 may. 2020 a las 9:59, andy pugh (<bodge...@gmail.com>)
> escribiяя:
>
> > On Wed, 6 May 2020 at 13:49, Leonardo Marsaglia <ldmarsag...@gmail.com>
> > wrote:
> >
> > > Indeed, I double checked that but the only params I've got are
> > > matrix_kb.0.tmax and matrix_kb.0.tmax-increased.
> >
> > Ah, yes, the scan-related pins / params only exist when matrix_kb is
> > configured to actually perform the keyboard scanning.
> >
> > --
> > atp
> > "A motorcycle is a bicycle with a pandemonium attachment and is
> > designed for the especial use of mechanical geniuses, daredevils and
> > lunatics."
> > яя George Fitch, Atlanta Constitution Newspaper, 1912
> >
> >
> > _______________________________________________
> > Emc-users mailing list
> > Emc-users@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/emc-users
> >
>
> _______________________________________________
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>
> Peter Wallace
> Mesa Electronics
>
> (\__/)
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> (")_(") signature to help him gain world domination.
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