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<div class="moz-cite-prefix">BINGO, to bude ono. Ted otazka, co
elegantne s tim...<br>
__attribute__ ((aligned (1))) jsem pokusne nacpal vsude (ted
neresim, ze by to treba nefungovalo), ale bez efektu.<br>
<br>
Pomuze zarovnat zacatek struktur na 64b -dummy (i bez atributu):<br>
typedef struct<br>
{<br>
uint32_t id;<br>
uint32_t dummy;<br>
union<br>
{<br>
struct<br>
{<br>
uint8_t bcont[SECTOR_FSRECSZ-12];<br>
uint32_t crc32;<br>
} __attribute__ ((aligned (1)));<br>
struct<br>
{<br>
time64_ms tmLastSms;<br>
}__attribute__ ((aligned (1)));<br>
} __attribute__ ((aligned (1)));<br>
} __attribute__ ((aligned (1))) FLASHFSREC;<br>
<br>
Radsi bych tu 64b polozku donutil aby se zarovnala na 4B, coz by
pro CM4 nemel byt problem.<br>
<br>
Dne 21.03.2018 v 9:25 Marek Sembol napsal(a):<br>
</div>
<blockquote type="cite"
cite="mid:CADUfZ8GuRX_URU9K+W_068j8tcNtqdypXutjqok3QFGRwKfuRA@mail.gmail.com">
<div dir="ltr">Zeby nastaveni allignementu?
<div>Marek</div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">2018-03-21 9:22 GMT+01:00 Milan B. <span
dir="ltr"><<a href="mailto:milan@bastl.sk"
target="_blank" moz-do-not-send="true">milan@bastl.sk</a>></span>:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex"><br>
Len odhad ... skuste tie struktury pomenovat struct {...}
meno;<br>
<br>
(obvykle svoje odpovede najprv testujem, ale ku kompilatoru
sa dostanem az neskor, takze len odhad)<span class="HOEnZb"><font
color="#888888"><br>
<br>
-m-</font></span>
<div class="HOEnZb">
<div class="h5"><br>
<br>
On 21.03.2018 9:09, Jaroslav Buchta wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
#define SECTOR_FSRECSZ 128<br>
<br>
typedef struct<br>
{<br>
uint32_t id;<br>
union<br>
{<br>
struct<br>
{<br>
uint8_t b[SECTOR_FSRECSZ-4-4];<br>
uint32_t crc32;<br>
};<br>
struct<br>
{<br>
time64_ms tmLastSms;<br>
};<br>
};<br>
} FLASHFSREC;<br>
<br>
<br>
proc je sizeof(FLASHFSREC) == 136 a ne 128???<br>
<br>
Asi jsem neco prehlednul, kdyz odstranim tmLastSms je
to 128...<br>
<br>
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