From: "EXTERNAL Gladis Olaf (Praktikant; CR/AEM)" <external.Olaf.Gladis@de.bosch.com>
To: <thekyz@gmail.com>, "Paul D. DeRocco" <pderocco@ix.netcom.com>
Cc: <ecos-discuss@ecos.sourceware.org>
Subject: RE: [ECOS] Re: pragma pack
Date: Thu, 10 Jan 2008 10:07:00 -0000 [thread overview]
Message-ID: <F6E0DC7B316B5342918DD39721EE25B101C9FFF0@si-mail07.de.bosch.com> (raw)
In-Reply-To: <d5aafeec0801100142o4c4c25e9r97c5dd5f6a78d332@mail.gmail.com>
-----Original Message-----
From: ecos-discuss-owner@ecos.sourceware.org
[mailto:ecos-discuss-owner@ecos.sourceware.org] On Behalf Of Alexandre
Sent: Donnerstag, 10. Januar 2008 10:43
To: Paul D. DeRocco
Cc: ecos-discuss@ecos.sourceware.org
Subject: Re: [ECOS] Re: pragma pack
> Actually i had some problems accessing my packed structures without
> flows, I think that may help resolve things a bit.
> Eg with things like that:
>
> cyg_uint8 i = 0;
> struct s_pelco_pattern_array a;
>
> a.command2_byte = i++;
> a.data3 = i++;
> a.data4 = i++;
> a.timestamp = i;
>
> I finish having a structure which looks like this in memory:
>
> cm2: 0x00
> data3: 0x01
> data4: 0x02
> ts: 0x0300
>
> Which is really not what i want to have eventually.
>
I would say this looks correct.
Maybe you thought there must be 0x0003 in the last one?
But if you have a little endian CPU it swaps the bytes.
If you have more questions about Endianness take a look at
http://en.wikipedia.org/wiki/Endianness
Greets olaf
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next prev parent reply other threads:[~2008-01-10 10:07 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-09 14:19 [ECOS] " Alexandre
2008-01-09 14:40 ` Andrew Lunn
2008-01-09 14:51 ` Bernard Fouché
2008-01-09 14:56 ` Alexandre
2008-01-09 21:55 ` Bronislav Gabrhelik
2008-01-09 22:22 ` Paul D. DeRocco
2008-01-09 23:50 ` [ECOS] " Grant Edwards
2008-01-10 0:50 ` Paul D. DeRocco
2008-01-10 9:43 ` Alexandre
2008-01-10 10:07 ` EXTERNAL Gladis Olaf (Praktikant; CR/AEM) [this message]
2008-01-10 10:29 ` Alexandre
2008-01-09 15:02 ` [ECOS] " EXTERNAL Gladis Olaf (Praktikant; CR/AEM)
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