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Don't override if already defined

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Andrew J. Kroll 2013-06-17 15:01:10 -04:00
parent 687187d3a0
commit 7d76a42a13
1 changed files with 2 additions and 0 deletions
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printhex.h
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@ -23,7 +23,9 @@ e-mail : support@circuitsathome.com
#include <WProgram.h>
#endif
#ifndef USB_HOST_SERIAL
#define USB_HOST_SERIAL Serial
#endif
void E_Notifyc(char c, int lvl);