CCS/TMS570LC4357: How to use #pragma PACK (4)

wanzhao wang

Part Number: TMS570LC4357

Tool/software: Code Composer Studio

Hello sir

I am using the CCS v7.3

I want to make the struct is 4-bytes alignment.

#pragma PACK (4);
struct test_a
{
char a;
short int b;
char d;
};

when I use the "#pragma PACK (4)", it show me a warning "unrecognized #pragma"

how to resolve it ?

0 QJ Wang over 5 years ago

Hello,

1. #pragma pack(n) : affect all the STRUCT

2. #pragma pack(push, 4) ... #pragma pack(pop) --> which only affect the STRUCT between those two #pragma

Please change PACK to pack, and ";" is not allowed after #pragma pack(4)

0 wanzhao wang over 5 years ago in reply to QJ Wang

hello Wang

you say "1. #pragma pack(n) : affect all the STRUCT "

it means all the STRUCT in the project or in the file?

0 QJ Wang over 5 years ago in reply to wanzhao wang

#pragma pack (n)

This pack pragma will affect all CLASS, STRUCT, or UNION type declarations that follow this pragma in a file.

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