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Structures

 
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sadlpx



Joined: 19 Feb 2004
Posts: 23

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Structures
PostPosted: Tue Feb 22, 2005 1:57 pm     Reply with quote

I'm trying to create a list commands and cannot figure it out.
First I want the string values to be fixed in ROM not Ram (constants)
Next I want a list of 5 or these constant strings each with room for 17 char and the NULL.

What am I doing wrong here. : :oops:

STRUCT CMDS {
char C_string[18];
}


Struct CMDS C_item[5] =
{
{"cmd0 \0"},
{"cmd1 \0"},
{"cmd2 \0"},
{"cmd3 \0"},
{"cmd4 \0"}
}
Ttelmah
Guest







PostPosted: Tue Feb 22, 2005 3:33 pm     Reply with quote

Code:

STRUCT CMDS {
    char C_string[18];
};

Const Struct CMDS C_item[5] =
{
    {"cmd0 \0"},
    {"cmd1 \0"},
    {"cmd2 \0"},
    {"cmd3 \0"},
    {"cmd4 \0"}
};

Note ';' at end of both the structure definition, and declaration, and the keyword 'const' to tell the compiler not to copy the data into RAM.

Best Wishes
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