"Rami AbouSleiman" <rdabousl@oakland.edu> wrote in message
<g1hngc$k10$1@fred.mathworks.com>...
> I am trying to send numbers from 0-65535 or 0-FFFF
through
> the serial port.
>
> I need to get the hex value on the other side but I am
> getting garbage how can I fix it?
>
> I am using fwrite() command/
>
> For example if I send a 0 I get a 00 08 00 on the
otherside.
> Thanks in advance
> Rami
> rdabousl@oakland.edu
I'm guessing the data type is being confused. Try explicity
defined the data type as 'uint8' as an argument to fwrite:
fwrite(fid,[0 1 2 3 4 5 6 7],'uint8')
You could also try casting your data,
fwrite(fid,uint8(0:65535))
"Rami AbouSleiman" <rdabousl@oakland.edu> wrote in message
news:g1hngc$k10$1@fred.mathworks.com...
>I am trying to send numbers from 0-65535 or 0-FFFF through
> the serial port.
>
> I need to get the hex value on the other side but I am
> getting garbage how can I fix it?
>
> I am using fwrite() command/
>
> For example if I send a 0 I get a 00 08 00 on the otherside.
> Thanks in advance
> Rami
> rdabousl@oakland.edu
"Trent Jarvi" <tjarvi@mathworks.com> wrote in message
<g1hva4$duo$1@fred.mathworks.com>...
>
> "Rami AbouSleiman" <rdabousl@oakland.edu> wrote in
message
> news:g1hngc$k10$1@fred.mathworks.com...
> >I am trying to send numbers from 0-65535 or 0-FFFF
through
> > the serial port.
> >
> > I need to get the hex value on the other side but I am
> > getting garbage how can I fix it?
> >
> > I am using fwrite() command/
> >
> > For example if I send a 0 I get a 00 08 00 on the
otherside.
> > Thanks in advance
> > Rami
> > rdabousl@oakland.edu
>
> s=serial('/dev/ttyS0');
> s.OutputBufferSize=65536*16;
> fopen(s);
> fwrite(s,[0:65535],'uint16');
>
>
Thank you Trent for the reply,
but my hex received is now reversed , life i get EF FF for
65519,
any clue?
Thank you again
"Rami AbouSleiman" <rdabousl@oakland.edu> wrote in message
<g1i9qm$77e$1@fred.mathworks.com>...
> "Trent Jarvi" <tjarvi@mathworks.com> wrote in message
> <g1hva4$duo$1@fred.mathworks.com>...
> >
> > "Rami AbouSleiman" <rdabousl@oakland.edu> wrote in
> message
> > news:g1hngc$k10$1@fred.mathworks.com...
> > >I am trying to send numbers from 0-65535 or 0-FFFF
> through
> > > the serial port.
> > >
> > > I need to get the hex value on the other side but I am
> > > getting garbage how can I fix it?
> > >
> > > I am using fwrite() command/
> > >
> > > For example if I send a 0 I get a 00 08 00 on the
> otherside.
> > > Thanks in advance
> > > Rami
> > > rdabousl@oakland.edu
> >
> > s=serial('/dev/ttyS0');
> > s.OutputBufferSize=65536*16;
> > fopen(s);
> > fwrite(s,[0:65535],'uint16');
> >
> >
> Thank you Trent for the reply,
> but my hex received is now reversed , life i get EF FF
for
> 65519,
> any clue?
> Thank you again
FIXED just change the obj setting to bigEndian
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