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[avr-gcc-list] Strings: escape sequence to insert arbitrary hex value ?


From: Vincent Trouilliez
Subject: [avr-gcc-list] Strings: escape sequence to insert arbitrary hex value ?
Date: Thu, 5 Feb 2009 05:32:51 +0100

Hello,

All on-line tutorials on C just do'nt seem to cover all these practical
little things I need... these tutorials aren't much help for
 day to day issues with microcontroller programming I find :-/

Problem: in the strings I define, some of the characters are custom
defined (ASCII codes 0 to 7 in a text LCD module).

I have some defines like such:

#define LCD_CUSTOM_CHAR_FOO <any value from 0 to 7 and 0x80 and up>

char example[] = "Example String";

Now I need to insert the define "LCD_CUSTOM_CHAR_FOO" somewhere in
the string, and have the compiler replace it with the hex code it
stands for... how to instruct the compiler to do so ?!

TIA


Regards,


--
Vince, the devil is in the detail they say...




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