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Fix padding of index 0 for object type variable #167

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Feb 5, 2024
Merged

Fix padding of index 0 for object type variable #167

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7 changes: 5 additions & 2 deletions soes/esc_coe.c
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Original file line number Diff line number Diff line change
Expand Up @@ -556,8 +556,11 @@ static uint32_t complete_access_subindex_loop(const _objd *objd,
}
}

/* Subindex 0 is padded to 16 bit */
size += (nsub == 0) ? 16 : bitlen;
/* Subindex 0 is padded to 16 bit if not object type VARIABLE.
* For VARIABLE use true bitsize.
*/
size +=
((nsub == 0) && (SDOobjects[nidx].objtype != OTYPE_VAR)) ? 16 : bitlen;
nsub++;

if ((max_bytes > 0) && (BITS2BYTES(size) >= max_bytes))
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