Don, the HW is probably functional. This MIGHT be a programming error. If the
7260 is anything like the 7500, the first valid pin number for 'dio' routines
is 5. Check the dio source code or example routines to be certain.
HTH
--- In Don Tucker <> wrote:
>
>
> Using TS's little script,
>
> ftp://ftp.embeddedarm.com/ts-arm-sbc/ts-7260-linux/binaries/ts-scripts/ts7xxx.subr
>
> I attempt to toggle the output voltage of DIO0 through DIO4 and see no
> change. I.e., after running the shell (export model=2, .
> ./ts7xxx.subr), I do:
>
> dio_dir_set X 1
> dio_data_set X 0
> dio_data_set X 1
>
> for X=0 through 4, and the voltage remains the same at 3.3V. If I try
> the same thing on DIO5 through DIO7, the voltage will toggle between
> 3.3V and 0V.
>
> Has anyone else seen this behavior, or is it an obvious indication of
> faulty hardware? I am getting no response from TS's tech support.
>
> Don
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